TWI827330B - Expansion card fixed structure and electronic devices used the same - Google Patents

Abstract

The present application provides an expansion card fixed structure and electronic devices used the same. The guide track consists of a track base on which a track groove extending in the first direction is provided, and the track groove is formed by depression in the second direction. The limit unit includes a first end and a second end separated along a third direction. The handle and the second end can be connected movably through the latch, the handle includes the first end face and the second end face, the handle is rotated with the latch as the axis so that one of the first end face and the second end face is against the track base, and the distance between the latch and the first end face is less than the distance between the latch and the second end face. The expansion card carrier plate includes a guide end, the guide end is provided with a first opening, the guide end can be movably located in the track groove, the first opening is located in the track groove, and the first end can be movably extended into the first opening.

Description

Expansion card fixing structure and electronic device using same

The present application relates to the field of electronic products, and in particular to an expansion card fixing structure and an electronic device using the same.

With the development and maturity of the server industry, the design of server systems has become more complex and has more changing architectures. In order to adapt to the development of servers, it is necessary to set up a pluggable structure for expansion cards in the server. of. In the conventional technology, before the expansion card is inserted into the main case, the upper cover must be opened first, and then the hook on the expansion card fixing module must be unlocked. Only then can the expansion card be inserted into the main case and then fixed with the expansion card. The hook on the module secures the expansion card. The pluggable structure of the expander in the conventional technology requires multiple steps such as opening the cover, unlocking, and snapping during installation, which makes the operation process relatively complicated.

How to solve the above problems and provide an expansion card fixing structure that is easy to disassemble and assemble and has high operating efficiency are what those skilled in the art need to consider.

In order to solve the problems in the prior art, embodiments of the present application provide an expansion card fixing structure and an electronic device using the same. The expansion card fixing structure is easy to disassemble and assemble.

The embodiment of the present application provides an expansion card fixing structure, which includes: The guide track includes a track base, the track base is provided with a track groove extending along the first direction, and the track base is recessed to form the track groove along the second direction; a limiting unit, which includes A first end and a second end that are spaced apart along the third direction, and the first end movably extends into the track groove along the third direction; a handle, which is connected to the second end Movably connected by a latch, the second end is provided with an escape hole along the second direction, the escape hole extends along the third direction, and the latch is movably provided on the escape hole. In the hole, the handle includes a first end surface and a second end surface, and the handle can rotate with the latch as an axis so that one of the first end surface and the second end surface resists the track base. , the distance between the latch and the first end face is less than the distance between the latch and the second end face; an elastic member is connected to the first end and the track base and is used to drive the third end face. One end extends into the track groove; the expansion card carrier plate includes a guide end, a first opening is provided on the guide end, the guide end is movably located in the track groove, and allows all The first opening is located in the track groove, and the first end movably extends into the first opening to fix the expansion card carrier board.

In a possible implementation, the number of the guide rails is two, and the two guide rails are arranged oppositely so that the second openings of the two rail slots are facing each other, and the expansion card carrier plate includes an edge along the There are two guide ends arranged opposite to each other in the second direction, and each guide end is movably provided in one of the track grooves.

In a possible implementation, the first end portion includes a first inclined surface, the inclination direction of the first inclined surface is between a reverse extension direction of the first direction and the third direction, and the third direction An inclined surface detachably resists the guide end, so that the expansion card carrier plate moves along the first direction to push the first end upward along the third direction, so that the limiting unit Stay out of the way of the expansion card carrier board.

In a possible implementation, the perimeter of the escape hole along the second direction is an open structure, the perimeter of the escape hole is closed along the first direction and the third direction, and the perimeter of the escape hole is closed along the perimeter of the escape hole. The inner diameter length in the third direction is greater than or equal to the distance of the first end to avoid the expansion card carrier board along the third direction.

In a possible implementation, the elastic member includes a first connection end and a second connection end spaced apart along the first direction, the first connection end is connected to the limiting unit, and the second connection end is connected to the limiting unit. The connecting end is fixedly connected to the track base.

In a possible implementation, the thickness of the first end along the second direction is greater than the thickness of the second end along the second direction, so that the thickness of the first end and the second end are There is a clamping step at the junction of the ends. The first connecting end is arranged around the limiting unit at the clamping step. The first connecting end is arranged at the first end away from the track groove. On one side, the second connecting end is fixedly connected to the track base.

In a possible implementation, the handle is provided on a side of the limiting unit away from the track groove, the handle includes two fixed walls spaced apart along the second direction, and the second end portion Located between the two fixed walls, the plug passes through the two fixed walls and the second end at the same time.

In a possible implementation, the first end face is connected to the second end face, and the difference between the distance between the plug and the second end face and the distance between the plug and the first end face is greater than The thickness of the expansion card carrier board along the third direction.

In a possible implementation, the track base is provided with a guide hole along the third direction, the guide hole is connected with the track groove, and the guide hole is used to allow the limiting unit to be disposed therein. To guide the limiting unit, at least part of the limiting unit is located outside the guide hole.

An embodiment of the present application also provides an electronic device, which includes a motherboard, a connection port, and the expansion card fixing structure as provided in the previous embodiment. The expansion card fixing structure is connected to the motherboard through the connection port.

Compared with the conventional technology, the expansion card carrier board carrying the expansion card chip is movably connected through the track groove and the guide rail, so that the expansion card carrier board and the guide rail cooperate to realize the insertion and removal of the expansion card. The first end of the limiting unit extends into the guide track along a third direction that intersects with the first direction. When the expansion card carrier plate slides in along the guide track, the expansion card carrier plate resists and pushes the limit unit along the third direction. direction to move upward, and an avoidance hole is provided at the second end so that the limiting unit can move upward to avoid the expansion card carrier board. The expansion card carrier plate lifts up the limiting unit and continues to slide in the first direction. When the first opening reaches the first end of the limiting unit, the first end of the limiting unit falls into the first opening driven by the elastic member. to secure the expansion card carrier board. When the expansion card carrier board is removed, the limit unit is lifted by moving the handle due to the stroke difference between the latch and the first end face and the second end face, so that the first end is separated from the first opening, thereby releasing the expansion card. Fixing of carrier board.

10: Expansion card fixed structure

11:Guide track

111: Orbital base

112:Track groove

113:Main part

114:Boss

115:Second opening

16: Guide hole

12:Limiting unit

121: first end

122:Second end

123:First slope

124: Avoidance hole

125:Standing steps

126:Third slope

13: handle

131:First end face

132:Second end face

133:Latch

134: Fixed wall

14: Elastic parts

141: First connection end

142: Second connection terminal

15: Expansion card carrier board

151: Guide end

152:First opening

153:Second slope

2: Electronic devices

21: Motherboard

22:Connection port

X: first direction

Y: second direction

Z: third direction

A: Mirror surface

Figure 1 is a three-dimensional schematic diagram of an expansion card fixing structure provided by an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a guide rail of an expansion card fixing structure provided by an embodiment of the present application.

FIG. 3 is a schematic structural diagram of an expansion card carrier board of an expansion card fixing structure provided by an embodiment of the present application.

FIG. 4 is a schematic diagram of the working state when the expansion card carrier board is inserted into the track slot in the expansion card fixing structure provided by the embodiment of the present application.

FIG. 5 is a schematic diagram of the working state when the expansion card carrier plate lifts up the first end of the expansion card fixing structure provided by the embodiment of the present application.

FIG. 6 is a schematic diagram of the working state of the expansion card fixing structure provided by the embodiment of the present application when the first end falls into the first opening.

FIG. 7 is a schematic diagram of the working state of the expansion card fixing structure provided by the embodiment of the present application when the rotating handle drives the first end surface out of contact with the track base.

8 is a schematic diagram of the working state of the expansion card fixing structure provided by the embodiment of the present application when the rotating handle is rotated until the second end surface contacts the track base.

FIG. 9 is a three-dimensional schematic diagram of an electronic device provided by an embodiment of the present application.

FIG. 10 is an exploded perspective view of the electronic device of FIG. 9 .

The following description will refer to the accompanying drawings to more fully describe the present application. Exemplary embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the example embodiments set forth herein. These exemplary embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Similar reference numbers indicate identical or similar components.

The terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when used herein, "comprises" and/or "includes" or "includes" and/or "includes" or "has" and/or "has", an integer, a step, an operation, an element and/or an element , but does not exclude the presence or addition of one or more other features, regions, integers, steps, operations, elements, components and/or groups thereof.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application describes. Furthermore, unless expressly defined in the context, terms such as those defined in general dictionaries should be construed to have the meaning with which they are associated in Meanings that are consistent with those in the technology and content of this application, and will not be interpreted as idealistic or overly formal meanings.

The following content will describe exemplary embodiments in conjunction with the accompanying drawings. It should be noted that the elements depicted in the reference drawings are not necessarily shown to scale; instead, the same or similar components will be assigned the same or similar reference numerals or similar technical terms.

Specific embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

As shown in FIGS. 1 to 8 , the embodiment of the present application provides an expansion card fixing structure 10 , including a guide rail 11 , a limiting unit 12 , a handle 13 , an elastic member 14 and an expansion card carrier plate 15 .

The guide track 11 includes a track base 111. The track base 111 is provided with a track groove 112 extending along the first direction X. The track base 111 is recessed with a track groove 112 formed along the second direction Y.

The limiting unit 12 includes a first end 121 and a second end 122 spaced apart along the third direction Z. The first end 121 movably extends into the track groove 112 along the third direction Z.

The handle 13 and the second end 122 are movably connected by a latch 133. The second end 122 is provided with an escape hole 124 along the second direction Y. The escape hole 124 extends along the third direction Z. The latch 133 is movably connected. Located in the escape hole 124. The handle 13 includes a first end surface 131 and a second end surface 132. The handle 13 can rotate with the latch 133 as an axis, so that one of the first end surface 131 and the second end surface 132 resists the track base 111. The distance between the plug pin 133 and the first end face 131 is smaller than the distance between the plug pin 133 and the second end face 132 .

The elastic member 14 is connected to the first end 121 and the track base 111 and is used to drive the first end 121 to extend into the track groove 112 .

The expansion card carrier board 15 includes a guide end 151, and a first opening 152 is provided on the guide end 151. The guide end 151 is movably located in the track groove 112, and the first opening 152 is located in the track groove 112. The first end 121 can movably extend into the first opening 152 to fix the expansion card carrier board 15 .

Compared with the existing technology, the expansion card carrier board 15 carrying the expansion card chip is movably connected to the guide rail 11 through the track groove 112, so that the expansion card carrier board 15 and the guide rail 11 cooperate to achieve expansion. Insertion and removal of charging card. The first end 121 of the limiting unit 12 extends into the guide rail 11 along the third direction Z that intersects the first direction X. When the expansion card carrier plate 15 slides in along the guide rail 11, the expansion card carrier plate 15 resists The limiting unit 12 is pushed upward to move along the third direction Z. The second end 122 is provided with an escape hole 124 so that the limiting unit 12 can move upward to avoid the expansion card carrier board 15 . The expansion card carrier plate 15 pushes up the limiting unit 12 and continues to slide along the first direction X. When the first opening 152 reaches the first end 121 of the limiting unit 12, the first end 121 of the limiting unit 12 elastically The component 14 is driven to fall into the first opening 152 to fix the expansion card carrier board 15 . When the expansion card carrier board 15 is disassembled, due to the stroke difference between the latch 133 and the first end face 131 and the second end face 132, the handle 13 is moved to lift the limiting unit 12, so that the first end 121 is separated from the first end face 131 and the second end face 132. The opening 152 is opened, thereby releasing the fixation of the expansion card carrier board 15 .

In one embodiment, the number of the guide rails 11 is two, and the two guide rails 11 are disposed oppositely so that the second openings 115 of the two rail grooves 112 are disposed facing each other. The expansion card carrier board 15 includes two guide ends 151 arranged oppositely along the second direction Y. Each guide end 151 is movably disposed in a track groove 112 .

In this embodiment, the two guide rails 11 are both fixed to the electronic device 2. The two guide rails 11 are arranged in parallel. The two guide rails 11 can be arranged symmetrically relative to the mirror plane A. The first direction X and the third direction Z Define the mirror plane A. It should be explained that the mirror surface A is located at the midline between the two guide rails 11. The "mirror symmetry" means that the two guide rails 11 located on both sides of the mirror surface A have a symmetrical structure with respect to the mirror surface A. Each The second openings 115 of each track groove 112 are arranged toward the other guide track 11 .

In this embodiment, the expansion card carrier board 15 and the expansion card chip are integrally formed. The expansion card chip may include a common memory chip circuit, the expansion card carrier board 15 may include a common insulating substrate, and the memory chip circuit is formed on the insulating substrate. The two guide ends 151 of the expansion card carrier board 15 located on opposite sides of the mirror surface A cooperate with the two opposite guide rails 11 respectively, so that the guide rails 11 guide the expansion card carrier board 15, and the expansion card carrier board 15 moves along the rails. Groove 112 slides.

In one embodiment, the track base 111 includes a main body 113 and a boss 114. The main body part 113 is elongated and extends along the first direction X. The track groove 112 is opened on the side surface of the main body part 113 . The boss 114 is connected to the main body 113 and protrudes upward along the third direction Z.

In one embodiment, the track base 111 is provided with a guide hole 16 along the third direction Z. The guide hole 16 is connected with the track groove 112. The guide hole 16 is used to allow the limiting unit 12 to be disposed therein. The guide hole 16 is used to align the The limiting unit 12 guides, and at least part of the limiting unit 12 is located outside the guide hole 16 .

In this embodiment, the guide hole 16 penetrates the boss 114 and the track base 111 along the third direction Z, and the handle 13 is provided on the side of the boss 114 away from the main body 113 . In other embodiments, the guide hole 16 can directly penetrate the main body 113 , and the handle 13 is provided on the surface of the main body 113 and corresponding to the guide hole 16 .

In one embodiment, the first end 121 includes a first inclined surface 123, and the inclination direction of the first inclined surface 123 is between the reverse extension direction of the first direction X and the third direction Z. The first inclined surface 123 detachably resists the guide end 151, so that when the expansion card carrier plate 15 moves along the first direction X, the expansion card carrier plate 15 can push the first end 121 to move upward along the third direction Z, limiting the position. The unit 12 is moved out of the track slot 112 to avoid the expansion card carrier board 15 .

In this embodiment, the head of the expansion card carrier board 15 is provided with a second inclined surface 153 , and the second inclined surface 153 may have the same inclination as the first inclined surface 123 . The expansion card carrier plate 15 is in contact with the first end 121, and the first inclined surface 123 and the second inclined surface 153 slide relative to each other, so that the first end 121 moves upward along the third direction Z under the restriction of the guide hole 16, and the expansion card The carrier plate 15 continues to move forward in the first direction X. In other embodiments, the second inclined surface 153 can also be a convex spherical curved surface, and the spherical curved surface contacts the first inclined surface 123 and can slide relative to each other.

In one embodiment, the second end 122 is provided with an escape hole 124 penetrating along the second direction Y. The escape hole 124 extends along the third direction Z, and the latch 133 is movably provided in the escape hole 124 . The perimeter of the escape hole 124 along the second direction Y is an open structure, and the perimeter of the escape hole 124 along the first direction X and the third direction Z is a closed structure. closed structure. The length of the inner diameter of the escape hole 124 along the third direction Z is greater than or equal to the distance of the first end 121 along the third direction Z to escape the expansion card carrier board 15 .

In this embodiment, the handle 13 and the latch 133 are in a fixed state. When the limiting unit 12 is pushed upward along the third direction Z by the expansion card carrier plate 15 , the latch 133 and the handle 13 will not follow the second end 122 Exercise together. The latch 133 passes through the second end 122 through the escape hole 124. When the second end 122 moves upward along the third direction Z, the latch 133 and the second end 122 are relatively displaced. That is, the limiting unit 12 and the latch 133 are avoided through the escape hole 124 , so that the limiting unit 12 can move upward relative to the latch 133 while the latch 133 and the handle 13 remain fixed.

In one embodiment, the elastic member 14 includes a first connecting end 141 and a second connecting end 142 spaced apart along the first direction X. The first connecting end 141 is connected to the limiting unit 12 , and the second connecting end 142 is connected to the track base. The seat 111 is fixedly connected.

In one embodiment, the thickness of the first end 121 along the second direction Y is greater than the thickness of the second end 122 along the second direction Y, and a blocking position is formed at the interface between the first end 121 and the second end 122 Step 125, the first connection end 141 is provided at the blocking step 125 around the limiting unit 12, the first connection end 141 is provided on the side of the first end 121 away from the track groove 112, the second connection end 142 is connected to the track base 111 Fixed connection.

In this embodiment, along the second direction Y, there is a height difference between both sides of the second end 122 and the first end 121 . The first connecting end 141 surrounds the limiting unit 12 . The first connecting end 141 is located at the junction of the first end 121 and the second end 122 . The first connecting end 141 and the first end 121 are smaller than the second end. 122 raised blocking step 125 resists.

In this embodiment, the elastic member 14 is a hard metal wire. In a natural state, the elastic member 14 can be disposed on the surface of the main body 113 along the first direction X. When the limiting unit 12 is pushed up along the third direction Z by the expanded card carrier plate 15, the blocking step 125 drives the first connecting end 141 to move upward along the third direction Z, causing the elastic member 14 to deform. When the expansion card carrier plate 15 moves along the first direction X until the first opening 152 corresponds to the guide hole 16 When the elastic member 14 pushes the locking step 125 downward along the third direction Z, the first end 121 extends into the first opening 152 so that the expansion card carrier board 15 is fixed.

In this embodiment, the blocking step 125 may have a third inclined surface 126 , and the third inclined surface 126 may have the same inclination direction as the first inclined surface 123 . The first end 121 moves upward along the third direction Z and drives the first connecting end 141 to bend upward along the third direction Z. The deformed first connecting end 141 can be disposed along the third inclined plane 126 .

In one embodiment, the handle 13 is provided on the side of the limiting unit 12 away from the track groove 112. The handle 13 includes two fixed walls 134 spaced apart along the second direction Y, and the second end 122 is provided on the two fixed walls 134. In between, the latch 133 passes through the two fixed walls 134 and the second end portion 122 at the same time.

In this embodiment, the two ends of the latch 133 spaced apart along the second direction Y are fixedly connected to the two fixed walls 134 respectively. The latch 133 passes through the escape hole 124 along the second direction Y, and the inner wall of the second end 122 is in the second direction Y. The latch 133 is limited in three directions Z.

In one embodiment, the first end face 131 and the second end face 132 are connected, the distance between the plug 133 and the second end face 132 is D2, the distance between the plug 133 and the first end face 131 is D1, and the difference between D2 minus D1 is D0. , the thickness of the expansion card carrier board 15 along the third direction Z is H0, and the value of D0 is greater than the value of H0.

In this embodiment, the first end surface 131 and the second end surface 132 are two connected surfaces. Therefore, by turning the handle 13, one of the first end surface 131 and the second end surface 132 can be disengaged from the boss 114. , continuing to rotate the handle 13 in the same direction can cause the other one of the first end surface 131 and the second end surface 132 to contact the boss 114 . Since D2 is larger than D1, the distance between the latch 133 and the expansion card carrier board 15 along the third direction Z increases. The latch 133 drives the limiting unit 12 to move upward D0 along the third direction Z. The moved latch 133 is no longer in contact with the expansion card. The card carrier board 15 comes into contact, and the restriction of the expansion card carrier board 15 by the limiting unit 12 is finally released.

As shown in Figures 9 and 10, the embodiment of the present application also provides an electronic device 2, which includes a motherboard 21, a connection port 22 and an expansion card fixing structure 10 as provided in the previous embodiment. The expansion card fixing structure 10 is connected by The port 22 is electrically connected to the motherboard 21 .

Hereinabove, specific embodiments of the present application have been described with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that various changes and substitutions can be made to the specific implementations of the present application without departing from the spirit and scope of the present application. These changes and substitutions all fall within the scope limited by this application.

10: Expansion card fixed structure

11:Guide track

15: Expansion card carrier board

A: Mirror surface

Claims (8)

An expansion card fixing structure is improved in that it includes: a guide track, which includes a track base. The track base is provided with a track groove extending along the first direction. The track base is recessed along the second direction. There is the track groove; a limiting unit, which includes a first end and a second end that are spaced along a third direction, and the first end movably extends into the track groove along the third direction. in; the handle is movably connected to the second end through a latch, the second end is provided with an escape hole along the second direction, and the escape hole extends along the third direction. , the latch is movably provided in the escape hole, the handle includes a first end surface and a second end surface, and the handle can rotate with the latch pin as an axis to make the first end surface and the second end surface One of the end faces resists the rail base, and the distance between the latch and the first end face is less than the distance between the latch and the second end face; an elastic member is connected to the first end and the The rail base connection is used to drive the first end to extend into the rail groove; the expansion card carrier plate includes a guide end, a first opening is provided on the guide end, and the guide end is movable The first end is movably inserted into the first opening to fix the expansion card carrier board; The elastic member includes a first connecting end and a second connecting end spaced apart along the first direction. The first connecting end is connected to the limiting unit, and the second connecting end is fixed to the track base. Connection; the thickness of the first end along the second direction is greater than the thickness of the second end along the second direction, so that there is a junction between the first end and the second end The first connecting end is arranged on the clamping step around the limiting unit, and the first connecting end is arranged on the side of the first end away from the track groove. The two connecting ends are fixedly connected to the track base. The expansion card fixing structure according to claim 1, wherein the number of the guide rails is two, and the two guide rails are arranged oppositely, and the expansion card carrier plate includes two guide rails arranged oppositely along the second direction. Each of the two guide ends is movably disposed in one of the track grooves. The expansion card fixing structure according to claim 1, wherein the first end portion includes a first inclined surface, and the inclined direction of the first inclined surface is between the reverse extension direction of the first direction and the third direction. The first inclined surface and the guide end are detachably resisted, so that the expansion card carrier plate moves along the first direction to push the first end upward along the third direction. The limiting unit is caused to avoid the expansion card carrier board. The expansion card fixing structure as claimed in claim 1, wherein the circumference of the escape hole along the second direction is an open structure, and the circumference of the escape hole along the first direction and the third direction is closed, The inner diameter length of the avoidance hole along the third direction is greater than or equal to the distance of the first end to avoid the expansion card carrier board along the third direction. The expansion card fixing structure according to claim 1, wherein the handle is provided on the side of the limiting unit away from the track groove, and the handle includes two fixed walls spaced apart along the second direction, The second end is provided between the two fixed walls, and the plug passes through the two fixed walls and the second end at the same time. The expansion card fixing structure as claimed in claim 1, wherein the first end face is connected to the second end face, and the distance between the plug and the second end face is equal to the distance between the plug and the first end face. The value of the difference is greater than the thickness of the expansion card carrier board along the third direction. The expansion card fixing structure as claimed in claim 1, wherein the rail base is provided with a guide hole along the third direction, the guide hole is connected with the rail groove, and the guide hole is used to allow the A limiting unit is disposed therein to guide the limiting unit, and at least part of the limiting unit is located outside the guide hole. An electronic device, which is improved in that it includes a motherboard, a connection port and an expansion card fixing structure as described in any one of claims 1 to 7. The expansion card fixing structure is connected to the motherboard through the connection port. connection.

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