TWM505676U - Expansion card assembly module and server including the module - Google Patents

Description

Expansion card assembly module and server including the same

The present invention relates to an expansion card assembly module and a server including the same, and more particularly to an expansion card assembly module that is easy to install and disassemble and has a good fixing effect, and a server including the same.

With the advancement of technology and the rapid development of the information industry, computers and people's lives are increasingly inseparable. In order to enhance the functions of the desktop, notebook and server, a variety of additional units are connected to the host through an expansion card. The host issues an instruction to the add-on unit through the expansion card to cause the additional unit to start working. In addition, the expansion card also shoulders the responsibility of improving the internal space utilization of the computer. The additional unit is assembled into the expansion card in the assembly frame, and then connected to the motherboard through the expansion card to optimize the space utilization inside the host.

Although the additional unit is connected to the motherboard in the host through the expansion card to improve the utilization of the internal space of the computer, how to assemble the larger assembly frame through the smaller expansion card electrical connector is flat and firmly fixed to Problems on the motherboard also occur. In addition, during the assembly or disassembly process, if the user's force is slightly inadvertent, the risk of damage to the electrical connector or the motherboard slot is likely to occur.

In view of the fact that the conventional expansion card assembly module is not easy to be fixed on the mainframe, and the expansion card assembly module is not easy to install and disassemble, it is necessary to develop a Expansion card assembly module with good fixing effect and easy to install and disassemble.

The present invention provides a server including the module for solving the problem that the conventional expansion card assembly module is not easily fixed to the host, and the installation and removal of the expansion card assembly module is not easy.

The invention discloses an expansion card assembly module, which is applied between a first side plate and a second side plate of a casing. The first side plate is connected with a fastening protrusion protruding from the surface thereof and a release protrusion. The expansion card assembly module comprises an assembly frame body, a first frame body, a second frame body and a buckle body. The assembly frame system is used to secure an expansion card therein. The assembly frame has a first plate member, a second plate member and a third plate member connecting the first plate member and the second plate member. The first body is pivoted to the first plate of the assembly frame. The first frame has a first side and a second side opposite to each other. The first side of the first frame has a buckle portion and an abutting portion. When the first frame is pivoted in the forward direction relative to the casing, the buckle cooperates with the engaging projections and exerts a downward pressure on the first frame. The abutting portion abuts the release lug and applies an upper thrust to the first frame when the first frame pivots in the opposite direction relative to the casing. One side of the second frame is connected to the second side of the first frame and covers the third plate of the assembled frame. The buckle body is pivoted on a side of the second frame away from the first frame. The buckle body is detachably fixed to the second side plate.

The invention discloses a server, which comprises a casing, a motherboard, an expansion card assembly module and an expansion card. The casing comprises a substrate, a first side plate, a second side plate, a fastening protrusion and a release protrusion. The first side plate and the second side plate are disposed apart from each other on opposite sides of the substrate. Buckle and release bumps protrude from the first One side board. The motherboard is disposed on the surface of the substrate and located between the first side panel and the second side panel. The motherboard has an expansion card slot. The expansion card assembly module comprises an assembly frame body, a first frame body, a second frame body and a buckle body. The assembly frame system is used for an expansion card combination. The assembly frame is disposed between the first side plate and the second side plate. The first body is pivotally disposed on the assembly frame and has a first side and a second side opposite to each other. The first side of the first frame has a buckle portion and an abutting portion. The buckle portion corresponds to the fastening projection and the abutment portion corresponds to the release projection. The second frame is coupled to the second side of the first frame. The buckle body is pivoted on a side of the second frame away from the first frame. The snap body corresponds to the second side panel. The expansion card is fixed to the assembly frame. The expansion card has an electrical connector, and the electrical connector corresponds to the expansion card slot. The first frame is rotatable relative to the assembly frame such that the first frame has an assembled position and a disassembled position. When the first frame is pivoted relative to the casing and is in the assembled position, the buckle of the first frame is fastened to the fastening protrusion of the casing to drive the assembly frame relatively close to the substrate. At this time, the second frame body is pressed against the assembly frame body, and the buckle body is detachably fastened to the second side plate of the casing, and the electrical insertion portion of the expansion card is inserted into the expansion card slot. When the first frame is pivoted in the reverse position relative to the casing, the buckle body is separated from the second side plate of the casing, and the second frame is separated from the assembly frame, and the buckle of the first frame is separated from the casing. Buckle the bump. At this time, the abutting portion of the first frame presses against the release protrusion of the casing to drive the assembly frame away from the substrate, and the electrical insertion portion of the expansion card is separated from the expansion card slot.

According to the expansion card assembly module provided by the present invention, the first frame body is pivoted relative to the assembly frame body and abuts against the fastening protrusion or the release protrusion by using the principle of the lever, thereby driving the assembly frame body to move relative to the substrate, and assembling The electrical properties of the expansion card inside the frame The plug portion is inserted into or detached from the expansion card slot of the motherboard on the chassis, so the power required to install or remove the expansion card module is reduced, and thus the excessive force is applied to cause the electrical plug or the motherboard to be inserted. The slot is damaged.

Furthermore, the first frame body and the buckle body on the opposite sides of the second frame body are respectively fastened to the first side plate and the second side plate, so that the second frame body can smoothly press and fix the assembled frame body, so that the expansion The card assembly module is flat and securely fixed to the motherboard.

The above description of the present invention and the following description of the embodiments are intended to illustrate and explain the spirit and principles of the present invention, and to provide further explanation of the scope of the present patent application.

100‧‧‧Chassis

110‧‧‧Substrate

120‧‧‧First side panel

130‧‧‧Second side panel

131‧‧‧First board

132‧‧‧Second plate

1321‧‧‧Bend

1322‧‧‧ card hook slot

1323‧‧‧First pivot hole

133‧‧‧ cover

1331‧‧‧Flexible arm

1332‧‧‧ card hook block

134‧‧‧First limit block

135‧‧‧First pivoting piece

140‧‧‧ buckled bumps

150‧‧‧Release bumps

160‧‧‧First accommodation space

200‧‧‧ motherboard

210‧‧‧Expansion card slot

300‧‧‧Expansion card assembly module

310‧‧‧Assembled frame

311‧‧‧ first board

3111‧‧‧ Guide slot

3112‧‧‧Second pivot hole

312‧‧‧Second board

313‧‧‧ Third plate

314‧‧‧Second accommodation space

320‧‧‧First body

321‧‧‧ first side

3211‧‧‧Deduction

32111‧‧‧ openings

32112‧‧‧Guide section

32113‧‧‧Fixed section

3212‧‧‧Abutment

322‧‧‧ second side

323‧‧‧ Guide column

324‧‧‧The third pivot hole

330‧‧‧Second body

331‧‧‧4th pivot hole

340‧‧‧ buckle department

341‧‧‧ pivot block

342‧‧‧second limit block

343‧‧‧ Pull block

344‧‧‧torsion spring

350‧‧‧ Holding parts

360‧‧‧Second pivoting piece

370‧‧‧ Third pivoting piece

380‧‧‧stops

390’‧‧‧Fourth pivoting piece

400‧‧‧expansion card

410‧‧‧Electrical plug-in

R1‧‧‧ forward

R2‧‧‧ reverse

D‧‧‧down pressure

U‧‧‧Uplift

Fig. 1 is a perspective view showing the structure of a servo of the first embodiment of the present invention.

Fig. 2 is a perspective view showing the structure of the servo of the first embodiment of the present invention.

Fig. 3 is an exploded perspective view showing the servo of the first embodiment of the present invention.

4 to 6 are side views showing the installation process of the expansion card assembly module of the server of the first embodiment of the present invention.

7 to 9 are side views showing the disassembly process of the expansion card assembly module of the server of the first embodiment of the present invention.

Figure 10 is a perspective view showing the structure of the server of the second embodiment of the present invention.

Figure 11 is a perspective view showing the disassembly process of the expansion card assembly module of the server of the second embodiment of the present invention.

The detailed features and advantages of the present invention are described in detail in the following detailed description of the embodiments of the present invention. Any related art and related art can easily understand the related purposes and advantages of the present invention. The following examples are intended to describe the present invention in further detail, but do not limit the scope of the present invention in any way.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 . FIG. 1 is a schematic perspective view of the servo of the first embodiment of the present invention. Fig. 2 is a perspective view showing the structure of the servo of the first embodiment of the present invention. Fig. 3 is an exploded perspective view showing the servo of the first embodiment of the present invention.

The server of the first embodiment of the present invention comprises a casing 100, a motherboard 200, an expansion card assembly module 300 and an expansion card 400.

The housing 100 includes a substrate 110, a first side panel 120, a second side panel 130, a latching bump 140, and a release tab 150. The first side plate 120 and the second side plate 130 are erected on opposite sides of the substrate 110 from each other. The substrate 110 , the first side plate 120 and the second side plate 130 together form a first accommodating space 160 .

The second side plate 130 includes a first plate body 131 and a second plate body. 132. A cover 133, a first limiting block 134 and a first pivoting member 135. The first plate body 131 and the second plate body 132 intersect each other and are erected on the substrate 110. The second plate body 132 has a bent portion 1321 , a hook groove 1322 , and a first pivot hole 1323 . The bent portion 1321 connects the second plate body 132 and intersects the second plate body 132. The hook groove 1322 is located on the surface of the bent portion 1321. The first pivot hole 1323 is located at one end of the second plate 132 away from the substrate 110 and penetrates the second plate 132 . The cover body 133 has a resilient arm 1331 and a hook block 1332. The hook block 1332 is located on the surface of the elastic arm 1331. The cover body 133 is pivotally disposed through the first pivoting member 135 to the first pivot hole 1323 extending through the second plate body 132 . When the cover body 133 pivots relative to the second plate body 132 to cover the side edge of the second plate body 132, the elastic arm 1331 covers the surface of the bent portion 1321 and the hook block 1332 is hooked in the hook groove 1322. The first limiting block 134 protrudes from the surface of the second plate 132 and is located in the first receiving space 160.

The latching projection 140 and the release tab 150 protrude from the first side panel 120 and extend toward the second side panel 130. In other words, the latching projections 140 and the release tabs 150 protrude from the first side panel 120 and are located in the first receiving space 160.

The motherboard 200 is mounted on the substrate 110 of the casing 100 and located between the first side plate 120 and the second side plate 130. The surface of the motherboard 200 away from the substrate 110 has an expansion card slot 210.

The expansion card assembly module 300 includes an assembly body 310, a first frame body 320, a second frame body 330, a buckle body 340, a holding member 350, a second pivot member 360, and a third portion. The pivoting member 370 and a stop member 380.

The assembly frame 310 has a first plate member 311 and a second plate member 312. And a third plate 313. The third plate 313 is located between the first plate 311 and the second plate 312. A second accommodating space 314 is located between the first plate member 311, the second plate member 312 and the third plate member 313. The assembly frame 310 is disposed in the first accommodating space 160 and the first plate 311 and the second plate 312 are perpendicular to the substrate 110. The first plate member 311 has a guiding slot 3111 and a second pivoting hole 3112. The guide groove 3111 maintains a fixed distance from the second pivot hole 3112.

The first frame 320 has a first side 321 , a second side 322 , a guiding post 323 and a third pivot hole 324 . The first side 321 and the second side 322 are located on opposite sides of the first frame 320. The guiding post 323 is coupled to the surface of the first frame 320 and slidably located in the guiding groove 3111 of the first plate member 311. The third pivot hole 324 is located at a central area away from the side edge of the first frame body 320. The first side 321 has a buckle portion 3211 and an abutting portion 3212. The buckle portion 3211 is formed by the side wall of the first side 321 facing the center of the first frame body 320. The buckle portion 3211 has an opening 32111, a guiding portion 32112 and a fixing portion 32113 which are sequentially connected. The width of the guiding section 32112 is greater than the width of the fixed section 32113. The abutting portion 3212 is formed by a continuous side wall surface having a different distance from the third pivot hole 324 in the side wall surface of the first side 321 . The wall surface of the opening 32111 is adjacent to the abutting surface of the abutting portion 3212.

The first frame body 320 is pivotally disposed on the first plate member 311, and the first frame body 320 is traversed through the second pivoting hole 3112 and the third pivot hole 324 through the second pivoting member 360. A plate member 311 is pivoted. The first frame body 320 has a disassembly position and an assembly position. When the first frame body 320 is in the disassembling position, the guiding section 32112 is away from the side wall surface of the pivoting shaft and the fixing section 32113 away from the side wall surface of the pivoting shaft and the first The engaging protrusions 140 on the side plate 120 are separated, and the abutting surface of the abutting portion 3212 abuts against the releasing protrusion 150 of the casing 100. When the first frame 320 is in the assembled position, the side wall surface of the fixing portion 32113 away from the pivot shaft abuts against the engaging protrusion 140 on the first side plate 120, and the abutting surface of the abutting portion 3212 and the release convex of the casing 100 The blocks 150 are separated from each other such that no relative movement between the assembly frame 310 pivotally provided with the first frame body 320 and the first side plate 120 is generated. The guide post 323 of the first frame 320 assists in guiding the first frame 320 to pivot relative to the first plate 311 of the assembly frame 310.

The second frame 330 is coupled to the second side 322 of the first frame 320. The second frame 330 has a fourth pivot hole 331 away from the first frame 320. The latching body 340 includes a pivoting block 341, a second limiting block 342, a triggering block 343, and a torsion spring 344. The second limiting block 342 and the pulling block 343 are connected to opposite sides of the pivoting block 341. The third pivoting member 370 passes through the pivoting block 341, the center of the torsion spring 344 and the fourth pivoting hole 331 to pivot the latching body 340 to the end of the second frame body 330 away from the first frame body 320. The torsion spring 344 provides a rotational moment of the buckle body 340.

When the first frame body 320 is in the assembled position, the second frame body 330 covers the third plate member 313 of the assembly frame body 310, and the torsion spring 344 provides the rotation torque of the buckle body 340 to push the second limiting block 342 to make the second frame The limiting block 342 and the first limiting block 134 located on the surface of the second plate 132 abut each other. At this time, the cover body 133 can pivot relative to the second plate body 132 to hook the hook block 1332 into the hook groove 1322 of the second plate body 132. As a result, part of the second frame body 330 is clamped between the third plate member 313 of the assembly frame body 310 and the cover body 133 to fix the second frame body 330 and the second frame body 330 to the assembly frame body. The third plate member 313 of 310 pressurizes the fixed effect.

The grip 350 is located on the first frame 320 and extends away from the assembly frame 310. The grip member 350 can drive the first frame body 320 to pivot relative to the assembly frame body 310. The stopper 380 protrudes from the first plate 311 of the assembly frame 310 and corresponds to the side edge of the first frame 320. The range in which the first frame 320 is pivotable is limited by the guide groove 3111 and the stopper 380. When the first frame 320 reaches the maximum pivotable range, the side edge of the first frame 310 abuts against the stopper 380, or the guide post 323 and the first plate 311 on the first frame 320 The side wall faces of the guide grooves 3111 abut against each other, and the first frame body 320 is prevented from continuing to pivot relative to the assembly frame 310.

The expansion card 400 is fixed to the assembly frame 310 and located in the second accommodation space 314. The expansion card 400 has an electrical connector 410. When the assembly frame 310 is located in the first accommodating space 160 and the first frame 320 is in the assembled position, the electrical connector 410 is inserted into the expansion card slot 210 of the motherboard 200.

Hereinafter, the assembly procedure of the expansion card assembly module of the first embodiment of the present invention will be described. Please refer to FIGS. 4 to 6 . 4 to 6 are side views showing the installation process of the expansion card assembly module of the server of the first embodiment of the present invention.

The lid body 133 is pivoted relative to the second plate body 132 to separate the side edges of the lid body 133 and the second plate body 132 from each other. Next, the assembly frame 310 is placed in the first accommodating space 160, and the electrical insertion portion 410 of the expansion card 400 is aligned with the expansion card slot 210 of the motherboard 200. The first frame body 320 is pulled to pivot the first frame body 320 with the second pivoting member 360 as a pivoting axis, and is pivoted relative to the assembly frame body 310 by R1. That is, the first frame body 320 pivots in the counterclockwise direction with respect to the assembly frame body 310. As the first frame 320 pivots in the forward direction R1, the latching projection 140 is advanced by the opening 32111 of the buckle portion 3211. The side wall surface of the guiding section 32112 and the side wall surface of the fixing section 32113 are sequentially brought into contact with each other. At the same time, the first frame 320 that is abutted by the latching bumps 140 is subjected to a lower pressure D, so that the first frame 320 drives the assembly frame 310 to move toward the substrate 110, so that the expansion card 400 is electrically connected. The portion 410 is inserted into the expansion card slot 210 of the motherboard 200.

At this time, the second frame body 330 covers the third plate member 313 of the assembly frame body 310 as the first frame body 320 rotates. The second limiting block 342 pivotally disposed on the latching body 340 of the second frame 330 abuts against the first limiting block 134 of the second plate 132 to restrict the second frame 330 from moving away from the substrate 110. . Finally, the cover body 133 is pivoted relative to the second plate body 132 so that the hook block 1332 is hooked into the hook groove 1322 of the second plate body 132, so that the second frame body 330 is clamped to the assembly frame body 310. The second frame 330 is fixed between the three plates 313 and the cover 133. As a result, the first surface 311 of the assembly frame 310 is constrained by the first frame 320, and the second surface 312 and the top surface 313 are constrained by the second frame 330 to be smoothly fixed to the first receiving portion. In the space 160, the electrical plug portion 410 of the expansion card 400 is also firmly fixed in the expansion card slot 210 of the motherboard 200.

Next, the disassembly steps of the expansion card assembly module of the first embodiment of the present invention will be described. Please refer to FIGS. 7 to 9. 7 to 9 are side views showing the disassembly process of the expansion card assembly module of the server of the first embodiment of the present invention.

As shown in FIG. 7 and FIG. 8 , after the elastic arm 1331 of the cover body 133 separates the hook block 1332 and the hook groove 1322 from each other, the cover body 133 is pivoted relative to the second plate body 132 to release the cover body. 133 is fixed to the second frame 330. Then move The triggering portion 343 separates the second limiting block 342 from the first limiting block 134 to release the limiting relationship between the second plate 132 and the second frame 330.

Next, as shown in FIG. 9, the first frame body 320 is pulled to pivot the first frame body 320 relative to the assembly frame body 310 in the reverse direction R2. That is, the first frame body 320 is pulled to pivot the first frame body 320 relative to the assembly frame body 310 in the clockwise direction. As the first frame 320 pivots in the reverse direction R2, the latching projections 140 sequentially leave the buckle portion 3211 along the side wall surface of the fixing portion 32113, the side wall surface of the guiding portion 32112, and the opening 32111. Then, the abutting faces of the releasing projection 150 and the abutting portion 3212 abut against each other. As the release bump 150 moves along the abutment surface, the distance between the release bump 150 and the third pivot hole 324 increases. At the same time, the first frame body 320 that is abutted by the release bump 150 receives an upper thrust U, so that the first frame body 320 drives the assembly frame body 310 to move away from the substrate 110. The electrical connector 410 of the expansion card 400 in the assembly frame 310 is also pulled out by the expansion card slot 210 of the motherboard 200 fixed to the substrate 110, so that the assembly frame 310 can be separated from the first capacity. Space 160 is set.

Next, the servo of the second embodiment of the present invention will be described. Please refer to FIG. 10 and FIG. Figure 10 is a perspective view showing the structure of the server of the second embodiment of the present invention. Figure 11 is a perspective view showing the disassembly process of the expansion card assembly module of the server of the second embodiment of the present invention. The server of the second embodiment of the present invention is identical to the main structure and assembly and disassembly of the server of the first embodiment of the present invention, and only differences will be described herein.

The second frame 330' of the second embodiment is pivotally connected to the second side 322' of the first frame 320' through the fourth pivoting member 390' to have a bent position and a flat position. Set. When the second frame 330' is located at the bending position, the relative positional relationship between the first frame 320', the second frame 330' and the third pivot hole 324' is similar to that of the first frame in the first embodiment. 320. A relative positional relationship between the second frame body 330 and the third pivot hole 324. When the second frame 330' is in the flattened position, the maximum distance between the second frame 330' and the third pivot hole 324' of the first frame 320' is greater than the second side of the first frame 320' The maximum distance between 322' and the third pivot hole 324'.

When the assembly body 310' is disassembled, the second frame 330' of the flattening position is applied, and the moment generated by the pivoting of the first frame 320' relative to the assembly frame 310' is greater than that of the first embodiment. The torque that a frame 320 can generate. In this way, the user can separate the assembled frame body 310' from the first housing space 160' with less force.

According to the expansion card assembly module provided by the present invention, the first frame body is pivoted relative to the assembly frame body and abuts against the fastening protrusion or the release protrusion by using the principle of the lever, thereby driving the assembly frame body to move relative to the substrate, and assembling the frame The electrical plug-in portion of the expansion card in the body is inserted into or detached from the expansion card slot of the motherboard on the chassis, so that the force required to install or remove the expansion card module is reduced, and thus the excessive force is prevented from causing electrical properties. The socket or motherboard slot is damaged.

Furthermore, the first frame body and the buckle body on the opposite sides of the second frame body are respectively fastened to the first side plate and the second side plate, so that the second frame body can smoothly press and fix the assembled frame body, so that the expansion The card assembly module is flat and securely fixed to the motherboard.

In addition, since the second frame is pivotable relative to the first frame to be in a flat position, and the second frame has a longer force arm between the pivot axes of the first frame, Applying a large torque to the second body in the flattened position. In this way, the user can rotate the second frame body and the first frame body with a small force, and use the lever principle to drive the assembly frame body to complete the work of disassembling the expansion card module.

Although the present invention has been disclosed above in the above embodiments, it is not intended to limit the present invention. The changes and refinements of the present invention are within the scope of the patent protection of the present invention without departing from the spirit and scope of the present invention. Please refer to the attached patent application for the scope of protection defined by this new model.

110‧‧‧Substrate

120‧‧‧First side panel

131‧‧‧First board

132‧‧‧Second plate

1321‧‧‧Bend

133‧‧‧ cover

1331‧‧‧Flexible arm

1332‧‧‧ card hook block

135‧‧‧First pivoting piece

140‧‧‧ buckled bumps

150‧‧‧Release bumps

160‧‧‧First accommodation space

200‧‧‧ motherboard

210‧‧‧Expansion card slot

310‧‧‧Assembled frame

311‧‧‧ first board

312‧‧‧Second board

313‧‧‧ Third plate

320‧‧‧First body

322‧‧‧ second side

324‧‧‧The third pivot hole

330‧‧‧Second body

341‧‧‧ pivot block

342‧‧‧second limit block

343‧‧‧ Pull block

350‧‧‧ Holding parts

360‧‧‧Second pivoting piece

380‧‧‧stops

Claims (11)

An expansion card assembly module is applied between a first side plate and a second side plate of a casing, and the first side plate is connected with a fastening protrusion and a release protrusion protruding from the surface thereof. The card assembly module includes: an assembly frame for fixing an expansion card therein, the assembly frame body includes a first plate member, a second plate member, and the first plate member and the first plate member a third plate member; a first frame body pivotally disposed on the first plate member of the assembly frame body, the first frame system having a first side and a second side opposite to the first frame The first side of the body has a buckle portion and an abutting portion, and the buckle portion cooperates with the fastening protrusion when the first frame body is pivoted relative to the casing a body is subjected to a lower pressure, and the abutting portion abuts against the releasing lug and exerts an upper thrust on the first frame when pivoting in a reverse direction relative to the casing; a second frame, One side of the second frame is connected to the second side of the first frame, the second frame covers the third plate of the assembly frame; and a buckle body is pivoted thereon Two bodies away from the side of the first frame member, the locking member is detachably fixed to the second side plate. The expansion card assembly module of claim 1, wherein the fastening portion has a guiding portion and a fixing portion that communicate with each other, and when the first frame is pivoted relative to the casing, the engaging convex portion The block enters the fixing section through the guiding section and is engaged with the fixing section. The abutting portion has an abutting surface, and the abutting surface abuts the side wall surface of the guiding section. The expansion card assembly module of claim 1, wherein the second side plate has a first limiting block, the buckle body comprises a pivoting block and a second limiting block, wherein the pivoting block is pivoted The second frame is connected to the side of the first frame, the second limiting block is connected to the pivoting block, and the pivoting block pivots relative to the second frame The pivoting block drives the second limiting block to abut or separate from the first limiting block. The expansion card assembly module of claim 1, wherein the expansion card assembly module further comprises a holding member, the holding member is located at the first frame, and the holding member can drive the first frame relative to the first a first plate member has a guiding slot, the first frame body has a guiding post, and the guiding column is slidably disposed in the guiding slot to guide the first frame relative to the first frame A plate pivots. The expansion card assembly module of claim 1, wherein one side of the second frame is pivotally connected to the second side of the first frame. A server includes: a casing, a substrate, a first side plate, a second side plate, a fastening protrusion and a release protrusion, wherein the first side plate and the second side plate are separated from each other On the opposite sides of the substrate, the fastening protrusion and the release protrusion protrude from the first side plate; a motherboard disposed on the surface of the substrate and located between the first side plate and the second side plate The motherboard has an expansion card slot; an expansion card assembly module as claimed in claim 1; and an expansion card fixed to the assembly frame, the expansion card having an electrical connector, the electrical connector The part corresponds to the expansion card slot. The server of claim 6, wherein the fastening portion has a guiding portion and a fixing portion that communicate with each other, and when the first frame body is pivoted relative to the casing, the fastening protrusion passes the The guiding segment enters the fixing segment and is engaged with the fixing segment. The abutting portion has an abutting surface, and the abutting surface abuts the side wall surface of the guiding segment. The server of claim 6, wherein the second side panel has a first limiting block, the latching body includes a pivoting block and a second limiting block, and the pivoting block is pivotally disposed on the second frame One away from the first frame The second limiting block is connected to the pivoting block. When the pivoting block is pivoted relative to the second frame, the pivoting block drives the second limiting block to abut the first limiting block or Phase separation. The server of claim 6, wherein the second side panel comprises a first board body, a second board body and a cover body, the first board body and the second board body intersecting, the cover body is pivoted on the The first plate has a restricted position and a release position, and the second plate has a hook groove, the cover has a hook block, and the cover is located at the assembled position and the cover is located When the position is restricted, the hook block is buckled in the hook groove and the cover body presses the second frame to limit the movement of the second frame. When the first frame is in the assembled position and the cover is When in the release position, the hook block is separated from the hook groove and the cover is separated from the second frame to release the restriction on the movement of the second frame. The server of claim 6, wherein the expansion card assembly module further comprises a holding member, the holding member is located at the first frame body, and the holding member can drive the first frame body to pivotally a first plate of the body of the frame is pivoted, the first plate has a guiding slot, and the first frame has a guiding column, and the guiding column is slidably disposed in the guiding slot. To guide the first frame to pivot relative to the first plate. The server of claim 6, wherein one side of the second frame is pivotally connected to the second side of the first frame.