TW201517759A - Quick-detachable fastening assembly - Google Patents

Abstract

The disclosure discloses a quick-detachable fastening assembly that includes a fixing base, a buckling member, and a plug. The fixing base has an opening and an accommodating trough, and further has a necking portion in the accommodating trough. The buckling member includes a pipe body and a plurality of resilient arms. The resilient arms are connected to an end of the pipe body. The end of each of the resilient arms has a buckling block. When the buckling blocks pass through the necking portion, the resilient arms elastically deform to close to each other. After the buckling blocks are accommodated in the accommodating trough, the resilient arms elastically recover. The plug is slidably inserted into the pipe body. When the plug slides relative to the pipe body to extend to the ends of the resilient arms, the ends of the resilient arms abut against the outer wall of the plug.

Description

Quick release fastening assembly

The invention relates to a quick release fastening assembly.

With the continuous development of technology and information, computers are already quite popular electronic devices. The electronic devices currently on the market, whether it is a desktop computer, a notebook computer or a server, need to be connected to the surrounding hardware through various expansion cards. These expansion cards are, for example, interface cards for the host computer to connect with its surrounding hardware devices, so that the host computer and peripheral hardware devices can communicate with each other and transmit signals, thereby performing functions of the peripheral hardware devices.

In a conventional electronic device, a plurality of interface cards, such as a display card, a sound card, a network card, a universal serial bus (USB) interface card, a memory, etc., are usually inserted in the motherboard for expansion. The function or performance of an electronic device. At present, the PCI (Peripheral Component Interconnect) interface has become the bus standard for connecting the motherboard and peripheral hardware devices in the host computer. In other words, the interface card most commonly used in computer mainframes today is a PCI card, and the interface card slots provided on the motherboard in the mainframe are mostly PCI slots.

In general, in order to facilitate assembly and efficient use of the space inside the server, the PCI card is inserted into the server through a card box (commonly known as an aircraft frame). However, the quick release fasteners provided on conventional cartridges often require a large rotational operating space. Therefore, once the space inside the server is limited, it will not be applicable.

The invention provides a quick release fastening assembly comprising a fixing seat, a fastening component and a latch. The mount has an opening and a receiving groove formed inwardly from the opening. The fixing seat also has a necking portion in the receiving groove. The fastening component comprises a tubular body and a plurality of elastic arms. The tubular body has a first end. The elastic arm is coupled to the first end. The end of each resilient arm has a snap block. When the snap block passes through the neck through the opening, the elastic arms are elastically deformed to approach each other. After the buckle block is placed in the accommodating groove, the elastic arm elastically recovers. The latch is slidably inserted into the tubular body. When the latch slides relative to the tubular body and extends to the end of the resilient arm, the end of the resilient arm abuts against the outer wall of the latch.

In an embodiment of the invention, the tube body further has a second end. The fastener further includes a first engaging structure. The first engaging structure is disposed on the tubular body and adjacent to the second end. The latch has a second snap structure. The second engaging structure is located between the first end and the second end. When the latch slides relative to the tubular body to engage the first engaging structure and the second engaging structure, the latch is separated from the end of the resilient arm.

In an embodiment of the invention, the first engaging structure is located on an outer wall of the tubular body. The latch includes a cylinder, an abutment, and a handpiece. column The body is slidably inserted into the tubular body. When the cylinder slides relative to the tubular body to the end of the resilient arm, the end of the resilient arm abuts against the outer wall of the cylinder. The abutment is connected to the cylinder and is located outside the tubular body and adjacent to the second end. The handpiece is coupled to the abutment and extends beyond the outer wall of the tubular body. The second engaging structure is located on the hand-held portion, and the first engaging structure is limited between the abutting portion and the second engaging structure. The post system extends to the end of the resilient arm when the latch slides against the tubular body such that the second end abuts the abutment.

In an embodiment of the invention, the extending direction of the elastic arm is substantially parallel to a central axis of the tubular body, and the engaging block protrudes outward with respect to a central axis of the tubular body.

In an embodiment of the invention, the neck portion has a first tapered surface. The first tapered surface is adjacent to the opening and is tapered by the opening toward the bottom of the receiving groove. Each snap block has a first bevel. The first slope is inclined away from the tubular body along the central axis of the tubular body and toward the central axis of the tubular body. During the insertion of the fastening block into the receiving groove through the neck portion, the first tapered surface pushes the first inclined surface, causing the elastic arms to elastically deform and approach each other.

In an embodiment of the invention, the neck portion further has a second tapered surface. The second tapered surface is adjacent to the bottom of the accommodating groove, and is tapered by the bottom of the accommodating groove toward the opening. Each snap block also has a second bevel. The second slope is located between the tubular body and the first inclined surface and is inclined toward the tubular body along the central axis of the tubular body and toward the central axis of the tubular body. During the passage of the snap block away from the receiving groove by the neck portion, the second tapered surface pushes the second inclined surface, causing the elastic arms to elastically deform and approach each other.

In summary, the quick release fastening assembly of the present invention assembles the card bracket When the substrate is attached to the servo, the snap-fit block of the elastic arm can be inserted into the fixing base on the substrate, and then the latch is pressed toward the fixed seat, so that the buckle block surrounds and abuts against the outer wall of the latch, thereby preventing the buckle from being buckled. The detachment is disengaged from the fixing seat by the neck portion in the fixing seat; when disassembling, the bolt can be pulled out away from the fixing seat, so that the buckle of the elastic arm loses the support, so that the fastening block can pass the neck The sleeve is separated from the holder and the cartridge is separated from the substrate. It can be seen that the quick release fastening assembly of the present invention can be applied to a server with a small internal space, and its operation direction is the same as the installation or removal direction of the cartridge, and belongs to a more intuitive design.

10‧‧‧Substrate

2‧‧‧Carton

20‧‧‧ card holder

200‧‧‧Assembled holes

22‧‧‧Quick release fastening assembly

220‧‧‧ fixed seat

220a‧‧‧ openings

220b‧‧‧ accommodating slots

220c‧‧‧neck

220c1‧‧‧First tapered surface

220c2‧‧‧second tapered surface

222‧‧‧ fastening parts

222a‧‧‧pipe body

222a1‧‧‧ first end

222a2‧‧‧ second end

222a3‧‧‧ trench

222b‧‧‧Flexible arm

222b1‧‧‧ Snap block

222b2‧‧‧ first slope

222b3‧‧‧second slope

222c‧‧‧first engagement structure

224‧‧‧Latch

224a‧‧‧Cylinder

224b‧‧‧Responsible Department

224c‧‧‧Handheld Department

224c1‧‧‧Second snap-in structure

226‧‧‧Connecting parts

226a‧‧‧ 部部

226a1‧‧‧Bumps

226b‧‧‧Locking Department

228‧‧‧ screws

FIG. 1 is an exploded perspective view showing a cartridge and a substrate according to an embodiment of the present invention.

FIG. 2A is a perspective assembled view showing the fastening component, the latch and the connecting component of the quick release fastening component.

Fig. 2B is an exploded perspective view showing Fig. 2A.

Fig. 3A is a cross-sectional view taken along line 1A-3A' of Fig. 1.

Figure 3B is another cross-sectional view showing Figure 3A with the snap block inserted into the mount.

Figure 3C is another cross-sectional view of Figure 3A with the latch pressed to extend the post to the end of the resilient arm.

The embodiments of the present invention are disclosed in the following drawings, and for the purpose of clarity However, it should be understood that these practical details are not intended to limit the invention. That is, in some embodiments of the invention, these practical details are not necessary. In addition, some of the conventional structures and elements are shown in the drawings in a simplified schematic representation.

Please refer to FIG. 1 , which is an exploded perspective view of the cartridge 2 and the substrate 10 according to an embodiment of the present invention.

As shown in Fig. 1, in the present embodiment, the cartridge 2 is detachably fixed to the substrate 10. The cartridge 2 includes a card holder 20 (commonly known as an aircraft frame) and a quick release fastening assembly 22. The card holder 20 of the cartridge 2 can be used to card and carry a PCI card (not shown), thereby inserting the PCI card on the substrate 10. The substrate 10 can be part of a housing of a server (not shown), but the invention is not limited thereto. The quick release fastening assembly 22 of the cartridge 2 includes a fixing base 220, a fastening member 222, a latch 224, a connecting member 226, and a screw 28. The structure, function, and connection and actuation relationship of each component will be described below.

Please refer to FIG. 2A, FIG. 2B, and FIG. 3A. FIG. 2A is a perspective assembled view of the fastening member 222, the plug 224 and the connecting member 226 of the quick release fastening assembly 22. Fig. 2B is an exploded perspective view showing Fig. 2A. Fig. 3A is a cross-sectional view taken along line 1A-3A' of Fig. 1.

As shown in FIG. 2A to FIG. 3A, in the present embodiment, the fixing base 220 of the quick release fastening assembly 22 is disposed on the substrate 10 and has an opening 220a and a receiving groove 220b formed inward by the opening 220a. The fixing base 220 further has a neck portion 220c in the receiving groove 220b. Quick release fastening component 22 The fastening member 222 includes a tubular body 222a and a plurality of elastic arms 222b. The tubular body 222a has a first end 222a1 and a second end 222a2 (see Figure 2A). The resilient arm 222b is coupled to the first end 222a1. The end of each resilient arm 222b (ie, the end of the resilient arm 222b remote from the tubular body 222a) has a snap block 222b1. The extending direction of the elastic arm 222b is substantially parallel to the central axis of the tubular body 222a, and the engaging block 222b1 protrudes outward with respect to the central axis of the tubular body 222a. The latch 224 of the quick release snap assembly 22 is slidably inserted into the tubular body 222a. The connecting member 226 of the quick release fastening assembly 22 is coupled to the fastening member 222 and fixed to the card holder 20.

Please refer to FIG. 3B and FIG. 3C. FIG. 3B is another cross-sectional view showing FIG. 3A in which the snap block 222b1 has been inserted into the mount 220. Figure 3C is another cross-sectional view of Figure 3A with the latch 224 pressed to extend the post 224a to the end of the resilient arm 222b.

3A to 3C, and with reference to FIG. 2B, in the present embodiment, when the fastening block 222b1 passes through the neck portion 220c via the opening 220a of the fixing base 220, the elastic arms 222b are elastically deformed and approach each other. After the engaging block 222b1 is received in the receiving groove 220b of the fixing base 220, the elastic arm 222b is elastically restored, and the operation process is progressed from FIG. 3A to FIG. 3B. Then, when the latch 224 of the quick release fastening component 22 slides relative to the tubular body 222a of the fastening component 222 to extend to the end of the elastic arm 222b, the end of the elastic arm 222b abuts against the outer wall of the latch 224, and the operation process is as follows. Figure 3B progresses to Figure 3C.

Further, the latch 224 of the quick release fastening assembly 22 includes a cylinder 224a, an abutting portion 224b, and a hand portion 224c. The cylinder of the bolt 224 The 224a is slidably inserted into the tubular body 222a of the fastening member 222. When the cylinder 224a of the latch 224 slides relative to the tubular body 222a of the fastening member 222 to extend to the distal end of the resilient arm 222b, the end of the resilient arm 222b abuts against the outer wall of the cylinder 224a. Thereby, the elastic arm 222b is no longer subjected to an external force and is elastically deformed toward the central axis of the tubular body 222a, so that the engaging block 222b1 is restricted by the necked portion 220c of the fixing seat 220 and cannot be detached.

In addition, the abutting portion 224b of the latch 224 is coupled to the post 224a, outside the tubular body 222a, and adjacent to the second end 222a2 of the tubular body 222a. The hand portion 224c of the latch 224 is coupled to the abutting portion 224b and extends beyond the outer wall of the tubular body 222a for the user to hold the latch 224 and the latching member 222 to slide relative to each other. The fastening member 222 also includes a first engaging structure 222c. The first engaging structure 222c is disposed on the tube body 222a and adjacent to the second end 222a2. The latch 224 has a second engagement structure 224c1. The second engaging structure 224c1 is located on the hand portion 224c. The second engaging structure 224c1 is located between the first end 222a1 and the second end 222a2 of the tubular body 222a, and the first engaging structure 222c is limited between the abutting portion 224b of the latch 224 and the second engaging structure 224c1.

Therefore, when the latch 224 slides relative to the tubular body 222a of the engaging member 222 such that the first engaging structure 222c of the engaging member 222 and the second engaging structure 224c1 of the latch 224 are engaged with each other, the latch 224 is separated from the elastic arm 222b. The end of the (as shown in Figure 3A). In other words, the first engaging structure 222c of the engaging member 222 and the second engaging structure 224c1 of the latch 224 are engaged with each other, thereby preventing the latch 224 from being detached from the second end 222a2 of the tubular body 222a. When the latch 224 slides relative to the tubular body 222a of the engaging member 222 such that the second end 222a2 of the tubular body 222a abuts against the abutting portion 224b of the latch 224, the latch 224 The cylinder 224a extends to the end of the resilient arm 222b. In other words, the second end 222a2 of the tubular body 222a is blocked by the abutting portion 224b of the latch 224, and the latch 224 can be prevented from being extended beyond the end of the resilient arm 222b. It is detached from the first end 222a1 of the tubular body 222a.

It should be noted that, in the present embodiment, the first engaging structure 222c of the fastening member 222 is located on the outer wall of the tubular body 222a, but the invention is not limited thereto. In another embodiment, the first engaging structure 222c of the engaging member 222 can also be disposed on the inner wall of the tubular body 222a, and the cylindrical body 224a of the latching pin 224 is additionally formed with the first engaging structure 222c. The engaging card slot (not shown) can also achieve the effect of preventing the latch 224 from being detached from the second end 222a2 of the tubular body 222a, and the abutting portion 224b of the latch 224 can also be eliminated.

Also shown in FIGS. 3A to 3C, in the present embodiment, the necked portion 220c of the fixing base 220 has a first tapered surface 220c1. The first tapered surface 220c1 of the constricted portion 220c is adjacent to the opening 220a and is tapered by the opening 220a toward the bottom of the accommodating groove 220b. The snap block 222b1 of each elastic arm 222b has a first slope 222b2. The first slope 222b2 is inclined away from the tube body 222a along the central axis of the tube body 222a and toward the central axis of the tube body 222a. During the period in which the fastening block 222b1 enters the accommodating groove 220b through the neck portion 220c (that is, during the progress from the 3A to the 3B), the first tapered surface 220c1 of the necked portion 220c pushes the engaging block. The first inclined surface 222b2 of the 222b1 causes the elastic arms 222b to be elastically deformed to approach each other toward the central axis of the tubular body 222a.

Moreover, the necked portion 220c of the fixing base 220 further has a second tapered surface 220c2. The second tapered surface 220c2 of the neck portion 220c is adjacent to the bottom of the accommodating groove 220b, and is tapered by the bottom of the accommodating groove 220b toward the opening 220a. The snap block 222b1 of each resilient arm 222b also has a second slope 222b3. The second inclined surface 222b3 is located between the tubular body 222a and the first inclined surface 222b2, and is inclined toward the tubular body 222a along the central axis of the tubular body 222a and toward the central axis of the tubular body 222a. During the period in which the snap block 222b1 leaves the accommodating groove 220b through the neck portion 220c (that is, during the return from the 3B to the 3A map), the second tapered surface 220c2 of the neck portion 220c pushes the snap block. The second inclined surface 222b3 of the 222b1 causes the elastic arms 222b to be elastically deformed to approach each other toward the central axis of the tubular body 222a.

Therefore, the sliding fit between the first tapered surface 220c1 of the constricted portion 220c and the first inclined surface 222b2 of the engaging block 222b1, and the second tapered surface 220c2 of the constricted portion 220c and the engaging block 222b1 are known. The sliding fit between the second inclined surfaces 222b3 allows the fastening block 222b1 to pass through the necking portion 220c more smoothly into the receiving groove 220b or to pass through the necking portion 220c and away from the receiving groove 220b.

As shown in FIGS. 1 and 3A, in the present embodiment, the outer wall of the tubular body 222a of the engaging member 222 has a groove 222a3. The connector 226 includes a sleeve portion 226a and a locking portion 226b. The fitting portion 226a of the connecting member 226 is fitted over the outer wall of the tubular body 222a and has a projection 226a1. The protrusion 226a1 of the sleeve portion 226a is engaged with the groove 222a3 of the tube body 222a, so that the fastening member 222 and the connecting member 226 are fixed to each other. The locking portion 226b of the connecting member 226 is connected to the fitting portion 226a and is locked to the card bracket by the screw 228. 20 on. Thereby, the card holder 20 can be quickly assembled or disassembled on the substrate 10 by the quick release fastening component 22.

It should be noted that, since the operation direction of the quick release fastening component 22 of the present invention is the same as the installation or removal direction of the cartridge 2, the assembly hole 200 of the card bracket 20 for providing the operation space of the quick release fastening component 22 is provided. That is, it does not need to be too large, and the space utilization rate of the card holder 20 can be improved.

From the above detailed description of the specific embodiments of the present invention, it can be clearly seen that the quick release fastening assembly of the present invention can first insert the snap block of the elastic arm when assembling the card bracket to the substrate of the server. In the fixing seat on the substrate, the pin is pressed down toward the fixing seat, so that the buckle block surrounds and abuts against the outer wall of the bolt, so that the fastening block can be prevented from being disengaged from the fixing seat through the necking portion in the fixing seat; The latch can be pulled out in a direction away from the fixing seat, so that the engaging block of the elastic arm loses the support, so that the fastening block can be disengaged from the fixing seat through the necking portion, and the cartridge is separated from the substrate. It can be seen that the quick release fastening assembly of the present invention can be applied to a server with a small internal space, and its operation direction is the same as the installation or removal direction of the cartridge, and belongs to a more intuitive design.

The present invention has been disclosed in the above embodiments, and is not intended to limit the scope of the present invention, and the invention may be modified and modified in various ways without departing from the spirit and scope of the invention. The scope is subject to the definition of the scope of the patent application.

10‧‧‧Substrate

2‧‧‧Carton

20‧‧‧ card holder

200‧‧‧Assembled holes

22‧‧‧Quick release fastening assembly

220‧‧‧ fixed seat

220a‧‧‧ openings

220b‧‧‧ accommodating slots

220c‧‧‧neck

220c1‧‧‧First tapered surface

220c2‧‧‧second tapered surface

222‧‧‧ fastening parts

222a‧‧‧pipe body

222a3‧‧‧ trench

222b‧‧‧Flexible arm

222b1‧‧‧ Snap block

222b2‧‧‧ first slope

222b3‧‧‧second slope

222c‧‧‧first engagement structure

224‧‧‧Latch

224a‧‧‧Cylinder

224c‧‧‧Handheld Department

224c1‧‧‧Second snap-in structure

226‧‧‧Connecting parts

226a‧‧‧ 部部

226a1‧‧‧Bumps

226b‧‧‧Locking Department

228‧‧‧ screws

Claims (6)

The quick release fastening assembly comprises: a fixing seat having an opening and a receiving groove formed inwardly from the opening, the fixing seat further having a necking portion in the receiving groove; a fastening component, a tube body and a plurality of elastic arms, the tube body having a first end, the elastic arms are connected to the first end, and each of the elastic arms has a fastening block at an end thereof, wherein the fastening ends When the block passes through the neck portion through the opening, the elastic arms are elastically deformed to be close to each other, and after the fastening blocks are received in the receiving groove, the elastic arms are elastically restored; and a latch And slidably inserted into the tubular body, wherein when the latch slides relative to the tubular body to extend to the ends of the resilient arms, the ends of the resilient arms abut against the outer wall of the latch. The quick release fastening assembly of claim 1, wherein the tubular body further has a second end, the fastening component further comprising a first engaging structure, wherein the first engaging structure is disposed on the tubular body Up and adjacent to the second end, the latch has a second engaging structure between the first end and the second end, and the first engaging structure and the latch are slid relative to the tubular body When the second engaging structures are engaged with each other, the latches are separated from the ends of the elastic arms. The quick release fastening assembly of claim 2, wherein the first engaging structure is located on an outer wall of the tubular body, the latch comprises: a cylinder slidably inserted into the tubular body, wherein Cylinder relative When the tubular body slides to extend to the ends of the elastic arms, the ends of the elastic arms abut against the outer wall of the cylinder; an abutting portion is connected to the cylinder, located outside the tubular body, adjacent to the a second end; and a hand-held portion connecting the abutting portion and extending beyond the outer wall of the tube body, wherein the second engaging structure is located on the hand-held portion, and the first engaging structure is limited to the Between the abutment and the second engaging structure, when the latch slides relative to the tubular body to abut the second end against the abutting portion, the post system extends to the ends of the resilient arms. The quick release fastening assembly of claim 1, wherein the elastic arms extend substantially parallel to a central axis of the tubular body, and the fastening blocks are outwardly opposed to a central axis of the tubular body protruding. The quick release fastening assembly of claim 4, wherein the neck portion has a first tapered surface, the first tapered surface is adjacent to the opening, and the opening is formed toward the bottom of the receiving groove. Shrinking, each of the fastening blocks has a first inclined surface that is away from the tubular body along a central axis of the tubular body and inclined toward a central axis of the tubular body, and passes through the fastening blocks During the entering of the accommodating groove, the first tapered surface pushes the first inclined surface, so that the elastic arms are elastically deformed and approach each other. The quick release fastening assembly of claim 5, wherein the neck portion further has a second tapered surface, the second tapered surface is adjacent to the bottom of the receiving groove, and is configured by the receiving groove The bottom tapers toward the opening, each of the snaps The block further has a second inclined surface located between the tubular body and the first inclined surface, and inclined toward the tubular body along a central axis of the tubular body and toward a central axis of the tubular body, and During the exiting of the accommodating block by the necking portion, the second tapered surface pushes the second inclined surface, so that the elastic arms are elastically deformed to be close to each other.