TWI608783B - Extending device - Google Patents

Description

Expansion device

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an expansion device, and more particularly to an expansion device having a built-in fastener and being mountable to other devices and having a spacer therein to avoid short circuit problems.

With the rapid development of information technology, the application requirements of various electronic products are diversified. Therefore, in the infrastructure of electronic products, there is often a need to increase or replace various functions. Moreover, after the user purchases the electronic product, the user also has an attempt to increase or change the function of the electronic product. Therefore, designers of electronic products will reserve space and connect components for subsequent expansion of demand.

When expanding the functions of electronic products, the expansion card with expansion function is installed in the reserved space of the electronic product and connected to the connecting component. Specifically, another tool such as a bolt or a screwdriver is obtained, and the bolt is aligned with the hole in the expansion card, and the screwdriver is aligned with the bolt to lock the expansion card to the circuit board in the electronic product. However, during the process of aligning or locking the bolt, the user's effort is increased, and the bolt may be dropped, which may cause trouble to the user and delay in working hours. Moreover, it is usually necessary to additionally add components such as support columns to increase the distance between the expansion card and the circuit board in the electronic product to avoid unintended short-circuit problems between the two. If these components are lost, the function expansion cannot be performed smoothly, which often causes inconvenience in expanding the functions of the electronic products.

In view of the above problems, the present invention provides an expansion device that is installed in other devices by built-in fasteners and avoids short circuit problems by built-in spacers.

An embodiment of the present invention provides an expansion device including a support member, a lock, and a substrate. The support member includes a connected mounting portion and a spacer portion. The lock member is movable through the mounting portion and the spacer portion. The substrate has a surface, the substrate is fixed to the mounting portion of the support member, and the spacing portion of the support member protrudes from the surface.

The expansion device according to the embodiment of the present invention facilitates mounting the expansion device in a component such as a motherboard of another electronic product by means of a built-in locker, so as to avoid alignment of other locking components during installation. The inconvenience of using the effort and avoiding the delays caused by the dropping of other locking components. Moreover, by the built-in spacer protruding from the surface, an unexpected short circuit problem between the circuit of the substrate and the circuit such as the motherboard can be directly avoided.

The above description of the present invention and the following description of the embodiments of the present invention are intended to illustrate and explain the spirit and principles of the invention.

The detailed features and advantages of the embodiments of the present invention are set forth in the Detailed Description of the Detailed Description. The objects and advantages of the present invention can be readily understood by those of ordinary skill in the art in the <RTIgt; The following examples are intended to describe the present invention in further detail, but are not intended to limit the scope of the invention.

In the so-called schematic diagrams of the present specification, the dimensions, ratios, angles, and the like may be exaggerated, but are not intended to limit the present invention. Various changes can be made without departing from the gist of the invention. The "upper" in the description may mean "overhanging" or "contacting the upper surface". In addition, the terms "upper side", "lower side", "above", "below" and the like are used in the description for convenience of description and are not intended to limit the invention. "Substantially" as used in the specification may mean a deviation caused by tolerances at the time of manufacture.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 . 1 is a perspective view of an expansion device 10 and an expansion device 10' of another embodiment mounted on a motherboard 20 in accordance with an embodiment of the present invention. 2 is a perspective exploded view of the expansion device 10 and the motherboard 20 of FIG. 1 . 3 is a side cross-sectional view of the expansion device 10 of FIG. 1 when it has not been locked to the motherboard 20. In the present embodiment, the expansion device 10 can include a support member 11 , a lock member 12 , a base plate 13 , and an elastic member 14 .

The support member 11 includes a connecting portion 111, a spacer portion 112, and a support portion 113. The mounting portion 111 has a first segment 1111 and a second segment 1112 that are connected. The outer diameter of the first segment 1111 can be greater than the outer diameter of the second segment 1112. The spacer 112 is connected to the first segment 1111, and the spacer 112 faces the mounting portion 111 substantially along the direction D. The support portion 113 surrounds the periphery of the spacer portion 112 and is adjacent to the first segment 1111.

The support member 11 has a through hole 11a. The through hole 11a has a first space 11a1 and a second space 11a2 which are arranged along the direction D. The inner diameter of the first space 11a1 is larger than the inner diameter of the second space 11a2. The direction D of the first space 11a1 toward the second space 11a2 is substantially the same as the direction D of the partition portion 112 toward the mounting portion 111.

The fastener 12 is movably penetrated through the mounting portion 111 of the support member 11 and the spacer portion 112. The locking member 12 includes a threaded portion 121 and a head portion 122, and includes a connecting portion 123 connecting the threaded portion 121 and the head portion 122. The inner diameter of the first space 11a1 of the through hole 11a of the support member 11 may be larger than the outer diameter of the thread portion 121. The outer diameter of the threaded portion 121 may be larger than the inner diameter of the second space 11a2 of the through hole 11a of the support member 11. The inner diameter of the second space 11a2 of the through hole 11a of the support member 11 may be larger than the inner diameter of the connecting portion 123. The outer diameter of the head portion 122 may be larger than the inner diameter of the second space 11a2 of the through hole 11a of the support member 11.

The direction D of the threaded portion 121 toward the head portion 122 is substantially the same as the direction D of the partition portion 112 toward the mounting portion 111. At least a portion of the threaded portion 121 is movably located within the first space 11a1 of the through hole 11a of the support member 11 or protrudes from the spacing portion 112 of the support member 11 in a direction opposite to the direction D. At least a portion of the connecting portion 123 is movably located in the second space 11a2 of the through hole 11a of the support member 11. The head portion 122 may be located outside the through hole 11a of the support member 11. The outer circumference of the head 122 may have an anti-slip texture for the user to rotate the entire lock 12 by holding the head 122.

The substrate 13 has a surface 13a. Further, an electrical insertion portion 131 is provided on one side of the substrate 13. The substrate 13 can be disposed on the mounting portion 111 of the support member 11 by the mounting portion 111 of the support member 11 being embedded in the substrate 13 . The first segment 1111 of the mounting portion 111 of the support member 11 is closer to the surface 13a of the substrate 13 than the second segment 1112. The spacer 112 of the support member 11 can then protrude from the surface 13a of the substrate 13. The support portion 113 of the support member 11 can contact the surface 13a of the substrate 13 to provide a further supporting force to the substrate 13. The fastener 12 can penetrate the substrate 13 by penetrating the support member 11.

In the present embodiment, the mounting portion 111 of the support member 11 can penetrate the substrate 13 because its height H can be greater than the thickness T of the substrate 13, but is not limited thereto. In other embodiments, the mounting portion 111 of the support member 11 may be smaller than the thickness T of the substrate 13 because the height H may not penetrate the substrate 13.

In this embodiment, the substrate 13 and the support member 11 can be fixed to each other by surface mounting technology (SMT). The solder in the surface soldering technology can be located on the substrate 13 and the support member 11. The first segment 1111 of the mounting portion 111 may be located between the substrate 13 and the spacer 112 of the support member 11 or may be located between the substrate 13 and the support portion 113 of the support member 11. But it is not limited to this. In other embodiments, the substrate 13 can be fixed to the support 11 by the first segment 1111 of the mounting portion 111 of the support member 11 being locked to the substrate 13 .

In addition, in the embodiment, the elastic member 14 may be a coil spring. The connecting portion 123 of the fastener 12 can penetrate the elastic member 14. The upper end of the resilient member 14 can abut the head 122 of the fastener 12. The outer portion of the first portion 1111 of the mounting portion 111 is larger than the outer diameter of the second portion 1112, and at least a portion of the elastic member 14 can surround the second portion 1112 of the mounting portion 111, and the lower end of the elastic member 14 can abut The first segment 1111 of the mounting portion 111. The elastic member 14 can normally move the head 122 of the lock 12 away from the surface 13a of the substrate 13 and cause the threaded portion 121 of the lock 12 to be gathered into the first space 11a1 of the through hole 11a of the support member 11. When the head 122 of the locking member 12 faces and approaches the surface 13a of the substrate 13, the threaded portion 121 of the locking member 12 can protrude from the spacing portion 112 of the support member 11 in a direction opposite to the direction D, and the elastic member 14 is subjected to compression. When the head 122 of the lock 12 is closer to the surface 13a of the substrate 13, the degree of compression of the elastic member 14 is greater. The arrangement of the elastic members 14 makes it possible to stabilize the support member 11 and the lock member 12 without being easily collided with each other, but is not limited thereto. In other embodiments, the provision of the elastic member 14 may also be omitted.

As shown in Fig. 1, the expansion device 10' of another embodiment differs from the expansion device 10 in that the size of the substrate 13' of the expansion device 10' is different from the size of the substrate 13 of the expansion device 10.

Furthermore, as shown in Figs. 1, 2 and 3, the expansion device 10 and the expansion device 10' can be mounted on the motherboard 20. The motherboard 20 includes a circuit board 21, a slot 22, a plurality of first studs 231, and a plurality of second studs 232. The slot 22 is disposed and electrically connected to the upper surface 21a of the circuit board 21. The first stud 231 and the second stud 232 can be embedded in the opening 210 of the circuit board 21 from the upper surface 21a of the circuit board 21. The first stud 231 and the second stud 232 can correspond to different sizes of the expansion device 10 and the expansion device 10'.

2, FIG. 3 and FIG. 4, FIG. 4 is a side cross-sectional view showing the expansion device 10 of FIG. 1 locked to the motherboard 20. The electrical plug-in portion 131 can be inserted into the slot 22 to electrically connect the expansion device 10 and the motherboard 20 , and then the flat portion 112 of the support member 11 is placed in contact with the first stud 231 of the motherboard 20 . The substrate 13 of the expansion device 10 and the circuit board 21 of the motherboard 20 are separated by the spacer 112 to avoid an unexpected short circuit between the substrate 13 of the expansion device 10 and the circuit board 21 of the motherboard 20.

Next, as shown in FIG. 3 and FIG. 4, the screw portion 121 of the rotary lock 12 is screwed with the screw hole 231a of the first stud 231 by rotating the head 122 of the lock 12, thereby making the lock. 12 is locked to the first stud 231, and the expansion device 10 is mounted on the motherboard 20. The expansion device 10 can be easily mounted on the motherboard 20 by the built-in fastener 12, so as to avoid the need for other locking components to be aligned during installation, and to avoid other locking. It is inconvenient to delay the work caused by the component falling.

Referring to FIG. 5, a side cross-sectional view of the expansion device 10 of FIG. 1 locked to another motherboard 20' is shown. The first stud 231 of the motherboard 20' may also be embedded in the opening 210 of the circuit board 21 from the lower surface 21b of the circuit board 21. Therefore, the screw portion 121 of the rotary lock 12 can be screwed with the screw hole 231a of the first stud 231 by rotating the lock 12, so that the lock 12 is locked to the first stud 231, and then the expansion is expanded. The device 10 is mounted on the motherboard 20'.

In summary, the expansion device of the embodiment of the present invention can facilitate the installation of the expansion device in other electronic products, such as the components of the motherboard, by using the built-in lock firmware, so as to avoid other locking components from being installed. It is necessary to align the effort and avoid the inconvenience of working delay caused by other locking components falling. Moreover, by the built-in spacer protruding from the surface, an unexpected short circuit problem between the circuit of the substrate and the circuit such as the motherboard can be directly avoided.

Although the present invention has been disclosed above in the foregoing embodiments, it is not intended to limit the invention. It is within the scope of the invention to be modified and modified without departing from the spirit and scope of the invention. Please refer to the attached patent application for the scope of protection defined by the present invention.

10, 10'‧‧‧ expansion device

11‧‧‧Support

11a‧‧‧through hole

11a1‧‧‧First space

11a2‧‧‧Second space

111‧‧‧Installation Department

1111‧‧‧ first paragraph

1112‧‧‧ second paragraph

112‧‧‧Interval

113‧‧‧Support

12‧‧‧Locker

121‧‧‧Threading Department

122‧‧‧ head

123‧‧‧Connecting Department

13, 13'‧‧‧ substrate

13a‧‧‧Surface

131‧‧‧Electrical plug-in

14‧‧‧Flexible parts

20, 20’‧‧‧ motherboard

21‧‧‧ boards

21a‧‧‧Upper surface

21b‧‧‧ lower surface

210‧‧‧Opening

22‧‧‧Slots

231‧‧‧First stud

231a‧‧‧ screw holes

232‧‧‧Second stud

D‧‧‧ Direction

H‧‧‧ Height

T‧‧‧ thickness

1 is a perspective view of an expansion device mounted on a motherboard according to an embodiment of the invention. 2 is a perspective exploded view of the expansion device and the motherboard of FIG. 1 . 3 is a side cross-sectional view of the expansion device of FIG. 1 when it has not been locked to the motherboard. 4 is a side cross-sectional view showing the expansion device of FIG. 1 locked to a motherboard. FIG. 5 is a side cross-sectional view showing the expansion device of FIG. 1 locked to another motherboard.

10‧‧‧Expansion device

11‧‧‧Support

12‧‧‧Locker

13‧‧‧Substrate

131‧‧‧Electrical plug-in

20‧‧‧ motherboard

21‧‧‧ boards

21a‧‧‧Upper surface

22‧‧‧Slots

231‧‧‧First stud

232‧‧‧Second stud

Claims (8)

An expansion device comprising: a support member, comprising a connecting portion and a spacing portion; a locking member movably extending through the mounting portion and the spacing portion, the locking member comprising a threaded portion and a threaded portion a head portion, the direction of the thread portion facing the head portion is substantially the same as the direction of the partition portion toward the mounting portion; a substrate having a surface, the substrate being fixed to the mounting portion of the support member, and the The spacer of the support member protrudes from the surface; and an elastic member, one end of the elastic member is disposed on the head portion, and the other end of the elastic member is disposed at the mounting portion, and the elastic member is compressed to a greater extent The closer the head is to the surface; wherein the mounting portion has a first segment and a second segment connected, the outer diameter of the first segment being greater than the outer diameter of the second segment, the first segment being more than the second segment Adjacent to the surface, the elastic member at least partially surrounds the second segment, and the other end of the elastic member abuts against the first segment. The expansion device of claim 1, wherein the elastic member is a coil spring. The expansion device of claim 1, wherein the mounting portion of the support member is embedded in the substrate. The expansion device of claim 1, wherein the support further comprises a support portion surrounding the periphery of the spacer and contacting the surface. The expansion device of claim 1, wherein the support member has a through hole, the through hole has a first space and a second space, and the inner diameter of the first space is larger than the An inner diameter of the second space, the direction of the first space toward the second space being substantially the same as the direction of the spacer toward the mounting portion, the fastener comprising a threaded portion, at least a portion of the threaded portion being movable Located within or protruding from the first space, the outer diameter of the threaded portion is greater than the inner diameter of the second space and smaller than the inner diameter of the first space. The expansion device of claim 1, wherein one side of the substrate is provided with an electrical plug portion for inserting into a slot. The expansion device of claim 6 is configured to be mounted on a motherboard, wherein the motherboard includes a circuit board, the slot and a stud, and the slot is disposed and electrically connected to the circuit board. The stud is embedded in the circuit board, and the electrical plug portion is inserted into the slot to electrically connect the expansion device and the motherboard, and the threaded portion is used for locking the stud to expand the The device is mounted on the motherboard. An expansion device includes: a support member, comprising a connecting portion and a spacing portion, the supporting member has a through hole, the through hole has a first space and a second space, the first space The diameter of the first space is greater than the inner diameter of the second space, and the direction of the first space is substantially the same as the direction of the spacing portion toward the mounting portion; a locking member movably penetrates the mounting portion and the a spacer, the fastener comprising a threaded portion, at least a portion of the threaded portion being movably located within or protruding from the first space, the outer diameter of the threaded portion being greater than the inner diameter of the second space An inner diameter of the first space; and a substrate having a surface, the substrate being fixed to the mounting portion of the support member, and the spacer portion of the support member protrudes from the surface.