CN207802619U - Fixing mechanism and circuit board device thereof - Google Patents
Fixing mechanism and circuit board device thereof Download PDFInfo
- Publication number
- CN207802619U CN207802619U CN201820150591.4U CN201820150591U CN207802619U CN 207802619 U CN207802619 U CN 207802619U CN 201820150591 U CN201820150591 U CN 201820150591U CN 207802619 U CN207802619 U CN 207802619U
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- Prior art keywords
- interface card
- guide rail
- rail bar
- sliding seat
- circuit board
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- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- QTCANKDTWWSCMR-UHFFFAOYSA-N costic aldehyde Natural products C1CCC(=C)C2CC(C(=C)C=O)CCC21C QTCANKDTWWSCMR-UHFFFAOYSA-N 0.000 claims 1
- ISTFUJWTQAMRGA-UHFFFAOYSA-N iso-beta-costal Natural products C1C(C(=C)C=O)CCC2(C)CCCC(C)=C21 ISTFUJWTQAMRGA-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000012447 hatching Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
A fixing mechanism and a circuit board device thereof. The fixing mechanism comprises a clamping piece and a first guide rail bar and a second guide rail bar; the first guide rail bar and the second guide rail bar are arranged on the circuit board and are opposite to each other in a spaced mode, and the first guide rail bar is provided with a first positioning structure and a second positioning structure; the clamping piece is provided with a sliding seat and a clamping elastic arm, and the sliding seat is provided with a third positioning structure and can be arranged between the first guide rail strip and the second guide rail strip in a sliding manner; when the third positioning structure is clamped with the first positioning structure to position the sliding seat and the first interface card is inserted into the interface card slot of the circuit board and horizontally placed on the circuit board, the first interface card downwards abuts against the end part of the buckling hook to enable the clamping elastic arm to be bent and deformed; when the first interface card moves down to the abutting sliding seat, the deformed clamping elastic arm provides restoring elastic force to drive the end part of the buckle hook to be buckled on the first interface card, so that the end part of the buckle hook and the circuit board clamp the first interface card together. The utility model discloses do not influence circuit board wiring space, installation elasticity and the dismouting convenience of hoisting circuit board on the interface card.
Description
Technical field
The utility model is related to a kind of fixed mechanism and its circuit board arrangements, be related to especially a kind of fixed mechanism include can be along
The guide rail bar of grafting on circuit boards slides into positioning with the sliding seat and its circuit board arrangement of fixed interface card.
Background technology
In general, interface card (such as M.2 interface card) generally use screw locking or plastics hook fixed design are to install
On circuit boards.However, since the fixed meter of above-mentioned screwed lock is to install corresponding spiral shell on default locking position on circuit boards
After column, then coordinate to fix on circuit boards interface card via the locking of screw and stud, therefore can not flexibly apply
Interface card (the M.2 interface card that such as length is 42mm and 60mm) with different length is installed.In addition, in above-mentioned plastic clip
Hook fixed design in, if need coordinate different length interface card, then must be formed on circuit boards multiple and different positions and
The larger mounting hole of hole area is to install plastics hook, thus, can not only seriously affect the circuit cloth on circuit board
Space of lines, in addition, when replacing the interface card of different length, user must first remove plastics hook below circuit board, from
And causes the dismounting flow of interface card relatively time consuming and take a lot of work.
Accordingly, it is desirable to provide a kind of fixed mechanism and its circuit board arrangement solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of fixed mechanism include can be along the guide rail bar of grafting on circuit boards
Slide into positioning with the sliding seat and its circuit board arrangement of fixed interface card, to solve the above problem.
According to an embodiment, the fixed mechanism of the utility model is installed on a circuit board, few to be selectively fixed to
One first interface card or a second interface card, the circuit board have an interface card slot, the first interface card and this second connect
Mouth is stuck in when being plugged in the interface card slot and is respectively provided with one first different installation length and one the relative to the circuit board
Two installation lengths, the fixed mechanism include one first guide rail bar, one second guide rail bar and a fastener；First guide rail bar is set
It is placed on the circuit board and is formed with one first location structure and at least one second location structure；Second guide rail bar is set to
It is separated from each other on the circuit board and with first guide rail bar a guideway space is collectively formed；The fastener have a sliding seat with
And one clamping elastic arm, the clamping elastic arm from the sliding seat uprightly extend and have a button hook end, the sliding seat correspond to this first
The side of guide rail bar has a third location structure, which is slidably disposed in first guide rail bar and this second is led
Between rail bar, and slided along the guideway space；Wherein, first location structure is sticked in position in the third location structure
The sliding seat and during the first interface card insertion is connected to the interface card slot and keeps flat on the board, this first connects
Mouthful card compresses downwards the button hook end so that the clamping elastic arm flexural deformations, and when the first interface card is displaced downwardly to the abutting sliding
When seat, the clamping elastic arm of deformation provides a recovery elastic force and the button hook end is driven to snap onto on the first interface card, with this
Circuit board clamps the first interface card jointly；Second location structure is sticked in position the sliding in the third location structure
Seat and during the second interface card insertion is connected to the interface card slot and keeps flat on the board, the second interface card to
Under compress the button hook end so that the clamping elastic arm flexural deformations, and when the second interface card is displaced downwardly to and abuts the sliding seat,
The clamping elastic arm of deformation provides the recovery elastic force and the button hook end is driven to snap onto on the second interface card, with the circuit board
The second interface card is clamped jointly.
According to another embodiment, the circuit board arrangement of the utility model is adapted selectively to an installation at least first interface
Card or a second interface card, the circuit board arrangement include a circuit board and a fixed mechanism；The circuit board has an interface card
Slot, the first interface card and the second interface are stuck in when being plugged in the interface card slot to be respectively provided with relative to the circuit board
Different one first installation length and one second installation length；The fixed mechanism includes one first guide rail bar, one second guide rail
Item and a fastener；First guide rail bar is set on the circuit board and is formed with one first location structure and at least 1
Two location structures；Second guide rail bar is set on the circuit board and is separated from each other with first guide rail bar and led with being collectively formed one
Rail space；There is the fastener sliding seat and a clamping elastic arm, the clamping elastic arm uprightly to extend and have from the sliding seat
One button hook end, the side which corresponds to first guide rail bar have a third location structure, and the sliding seat is slideably
It is set between first guide rail bar and second guide rail bar, and is slided along the guideway space；Wherein, it is positioned in the third
Structure is sticked in first location structure to position the sliding seat and be connected to the interface card slot in the first interface card insertion and put down
During putting on the board, which compresses the button hook end downwards so that the clamping elastic arm flexural deformations,
And when the first interface card is displaced downwardly to and abuts the sliding seat, the clamping elastic arm of deformation provides a recovery elastic force and drives the button hook
End snaps onto on the first interface card, to clamp the first interface card jointly with the circuit board；In the third location structure
Second location structure is sticked in position the sliding seat and be connected to the interface card slot in the second interface card insertion and lie in
During on the circuit board, which compresses the button hook end downwards so that the clamping elastic arm flexural deformations, and works as
When the second interface card is displaced downwardly to the abutting sliding seat, the clamping elastic arm of deformation provides the recovery elastic force and drives the button hook end
It snaps onto on the second interface card, to clamp the second interface card jointly with the circuit board.
In conclusion new using the fixed meter of screwed lock or plastics hook fixed design, this practicality compared to prior art
Type can slide into the installation length of the corresponding interface card to be installed using sliding seat along the guide rail bar of grafting on circuit boards
Position sliding Position Design so that fixed mechanism can install the interface card of different installation lengths, to greatly improve electricity
Road panel assembly uses elasticity what interface card was installed.In addition, only needing to lead to after sliding seat to be pushed to positioning due to the use of person
Cross simple and intuitive one-part form interface card installation operation, so that it may interface card to be firmly mounted on circuit board, and can
After releasing the positioning between sliding seat and guide rail bar, carry out the sliding positioning operation of sliding seat with complete interface card dismounting and
Replacement operation, therefore, the utility model can solve the problems, such as that the dismounting of the interface card mentioned in prior art flow is time-consuming
And significantly promote convenience of the circuit board arrangement on interface card disassembling, assembling and replacing.
The advantages of about the utility model, can obtain further with spirit by the following embodiments and the accompanying drawings and appended attached drawing
Understanding.
Description of the drawings
Fig. 1 is the assembling schematic diagram of the circuit board arrangement proposed according to an embodiment of the utility model.
Fig. 2 is the decomposition diagram of the circuit board arrangement of Fig. 1.
Enlarged diagram of the fastener at another visual angle that Fig. 3 is Fig. 2.
Partial cutaway schematic view of the circuit board arrangement along hatching A-A that Fig. 4 is Fig. 1.
Fig. 5 slides into third location structure along the first guide rail bar and the second guide rail bar for the sliding seat of Fig. 2 and is sticked in
The stereoscopic schematic diagram of the position of first location structure.
Fig. 6 is the side view of the button hook end for the clamping elastic arm that first interface card compresses downwards Fig. 5.
Fig. 7 slides into third location structure for the sliding seat of Fig. 4 and is sticked in the second location structure to install second interface card
Assembling schematic diagram.
Partial cutaway schematic view of the circuit board arrangement along hatching B-B that Fig. 8 is Fig. 7.
Main assembly symbol description：
10 circuit board arrangement, 11 first interface card
12 circuit board, 13 second interface card
14 fixed mechanism, 16 interface card slot
18 first guide rail bar, 20 second guide rail bar
22 fastener, 24 first location structure
25 second location structure, 26 guideway space
28 insert-connecting plate, 30 mounting hole
Elastic arm is clamped in 32 sliding seats 34
36 button hook end, 37 lead-in chamfered
38 third location structure, 40 side arm
42 bending plates 44 bend fastener
46 guide shoe, 48 arc groove
50 arcuate rib, 52 tongue piece
54 clamping block L1First installation length
L2Second installation length f leading edges
Specific implementation mode
It please refers to Fig.1 and Fig. 2, Fig. 1 is the circuit board arrangement 10 that is proposed according to an embodiment of the utility model
Assembling schematic diagram, Fig. 2 be Fig. 1 circuit board arrangement 10 decomposition diagram, as shown in Figure 1 and Figure 2, circuit board arrangement 10
Including a circuit board 12 and a fixed mechanism 14, circuit board 12 can be preferably using on type computer on the table or server
Motherboard (but being not limited), and circuit board 12 have an interface card slot 16 be used so that further interface card insertion connects installation.
In the mechanism design aspect of fixed mechanism 14, by Fig. 1 and Fig. 2 it is found that fixed mechanism 14 includes one first guide rail
Item 18, one second guide rail bar 20 and a fastener 22.First guide rail bar 18 is set on circuit board 12 and is formed with one first
Location structure 24 and one second location structure 25, the second guide rail bar 20 be set on circuit board 12 and with the first guide rail bar 18 that
This is separated relatively so that a guideway space 26 is collectively formed, and in more detail, the first guide rail bar 18 can have an at least insert-connecting plate 28
(show three in Fig. 1 and Fig. 2, but be not limited, configuration quantity can be increased and decreased according to practical manufacture demand), electricity
The position that road plate 12 corresponds to insert-connecting plate 28 is formed with a mounting hole 30, and thereby, insert-connecting plate 28 can be inserted in mounting hole 30, will
First guide rail bar 18 is fixed on the circuit board 12.
Fastener 22 have a sliding seat 32 and one be clamped elastic arm 34, clamping elastic arm 34 from sliding seat 32 uprightly extend and
With a button hook end 36, the side that sliding seat 32 corresponds to the first guide rail bar 18 has a third location structure 38, sliding seat 32
It is slidably disposed between the first guide rail bar 18 and the second guide rail bar 20, with the sliding in guideway space 26.Implement herein
In example, third location structure 38 can be preferably pillar and the first location structure 24 and the second location structure 25 can be correspondingly
It (but is not limited, other engaging Position Designs, such as the Position Design etc. of salient point and groove also can be used) for location hole, by
This, sliding seat 32 can slide into third location structure 38 along guideway space 26 and be directed at the first location structure 24 or second positioning knot
The position of structure 25 makes sliding seat 32 be fixed on the first guide rail bar 18 and second lead by the engaging between pillar and location hole
Between rail bar 20, so that the fixation of further interface card is used.In addition, clamping elastic arm 34 can be preferably inverted u-shaped to promote its structure
Elasticity (but being not limited, the design of other elastic arm structures, such as the design of up-and-down rod elastic arm etc. also can be used), and button hook end 36
On can be formed with a lead-in chamfered 37 with generate inclined-plane guide effect, avoid between the interface card to be installed and button hook end 36
Recurring structure interferes stuck situation.
On the other hand, for the engaging positioning that assisting user can more advantageously release sliding seat 32, in this embodiment
In, sliding seat 32 can be preferably formed with a side arm 40 along the first guide rail bar 18, and third location structure 38 can be formed in side arm
On 40, and a bending plate 42 preferably can uprightly extend from one end of side arm 40 and the past direction far from the first guide rail bar 18 is curved
It rolls over (as shown in Figure 2), so that user easily effortlessly can bend the operation of plate 42 so that side arm 40 produces by lateral press
Raw flexural deformations, that is to say, that (or second determine if user wants to release third location structure 38 and the first location structure 24
Bit architecture 25) between engaging, then only need bias bending plate 42 so that side arm 40 is scratched toward far from the direction of the first guide rail bar 18
Curved change can so make third location structure 38 be detached from the first location structure 24 (or second location structure 25), to use
Person can push sliding seat 32 to be slided along guideway space 26.In addition to this, a bending fastener 44 can be preferably from sliding seat 32
It is extended to form towards the first guide rail bar 18 in face of the side of the first guide rail bar 18, and sliding seat 32 faces the side of the first guide rail bar 18
It can preferably protrude and be formed with a guide shoe 46, it is curved when sliding seat 32 is set in guideway space 26 by above-mentioned design
Discount fitting 44 can be buckled in the first guide rail bar 18 and guide shoe 46 can slide setting in the first guide rail bar 18, so that sliding
Dynamic seat 32 can be slided more smoothly along the first guide rail bar 18.
It is noted that the fixed design between above-mentioned first guide rail bar 18 and circuit board 12 and sliding seat 32 and first
Positioning between guide rail bar 18 can be applicable to sliding guidance design in the second guide rail bar 20, in short, the second guide rail bar 20 is also
Can have insert-connecting plate 28 (can plug in corresponding mounting hole 30 on the circuit board 12), bending plate 42, bending fastener 44
With guide shoe 46 and the first location structure 24 can be formed with and the second location structure 25, sliding seat 32 also can be along second
Guide rail bar 20 is formed with side arm 40 and correspondingly can have third location structure 38 to be formed on side arm 40, associated description
It can refer to above description to analogize, details are not described herein.
As in fastener 22, (such as length is M.2 connecing for 42mm with a first interface card 11 as shown in Figure 1 and Figure 2
Mouthful card, but be not limited) between Position Design in terms of, please refer to Fig.1, Fig. 2, Fig. 3 and Fig. 4, Fig. 3 be Fig. 2 fastener
22 another visual angle enlarged diagram, Fig. 4 be Fig. 1 circuit board arrangement 10 along hatching A-A partial cutaway schematic view, such as
Shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the position that first interface card 11 corresponds to a leading edge f of sliding seat 32 can be formed with an arc
Groove 48 has an arcuate rib 50 in arc groove 48, and the arcuate rib 50 can be from first interface card 11 to 32 side of sliding seat
To extending to form.The leading edge f of sliding seat 32 is formed with a tongue piece 52 towards the protrusion of interface card slot 16 and a clamping block 54 can be formed
On tongue piece 52, thereby, when first interface card 11 is plugged in interface card slot 16 and keeps flat on the circuit board 12, clamping block 54
With arcuate rib 50 is concave-convex engage and button hook end 36 clamps arcuate rib 50 (as shown in Figure 4) with about 52 tongue piece, thus by the
One interface card 11 is fixed on the circuit board 12.It is noted that the arc groove 48 of above-mentioned first interface card 11 and arcuate rib 50
And the tongue piece 52 of sliding seat 32 is configured with clamping block 54 for omissible structure, for example, in another embodiment, this reality
With novel provided fixed mechanism can merely with sliding seat abut interface card and be clamped elastic arm button hook end directly with electricity
Road plate clamps the design of interface card up and down, interface card is fixed on circuit boards, to simplify the fixation of the utility model
The structure design of mechanism.
Interface card dismounting below for circuit board arrangement 10 is described in detail with replacement operation, please refers to Fig.1, schemes
4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, Fig. 5 are that the sliding seat 22 of Fig. 2 slides into along the first guide rail bar 18 and the second guide rail bar 20
Third location structure 38 is sticked in the stereoscopic schematic diagram of the position of the first location structure 24, and Fig. 6 is that first interface card 11 supports downwards
It is that the sliding seat 32 of Fig. 4 slides into third location structure 38 to press the side view of the button hook end 36 of the clamping elastic arm 34 of Fig. 5, Fig. 7
The second location structure 25 is sticked in install the assembling schematic diagram of a second interface card 13, Fig. 8 is 10 edge of circuit board arrangement of Fig. 7
The partial cutaway schematic view of hatching B-B.First, by Fig. 1, Fig. 4, Fig. 5 and Fig. 6 it is found that when user wants to connect first
When mouth card 11 is installed on the circuit board 12, user only needs that sliding seat 32 is first pushed to slide into third positioning knot as shown in Figure 5
Structure 38 is sticked in the position of the first location structure 24, so that sliding seat 32 can be positioned on one first peace of corresponding first interface card 11
Fill the position of length L1.Next, first interface card 11 is plugged in interface card slot 16 in user and lies in circuit board
During on 12, first interface card 11 can compress downwards button hook end 36 (as shown in Figure 6), at this point, since elastic arm is clamped
34 itself have structural elasticity, therefore, button hook end 36 by first interface card 11 it is downward when compressing, clamping elastic arm 34 can produce
Raw flexural deformations, to avoid occurring the stuck problem of constructive interference between first interface card 11 and button hook end 36, and guide
First interface card 11 along the lead-in chamfered 37 on button hook end 36 continue to move down until first interface card 11 be displaced downwardly to
Until connecing sliding seat 32.
In more detail, as shown in Figure 4, after first interface card 11 is displaced downwardly to and abuts sliding seat 32, due to button hook end
Portion 36 has been no longer influenced by compressing for first interface card 11, and therefore, the clamping elastic arms 34 of flexural deformations will correspondingly provide extensive
Multiple (reply) elastic force is to button hook end 36, to drive button hook end 36 to be snapped onto in arc groove 48 in arcuate rib 50 and and tongue
About 52 piece clamps arcuate rib 50, and simultaneously, clamping block 54 can be engaged with 50 bumps of arcuate rib.Thus, by Fig. 1 with
And Fig. 4 is it is found that fixed mechanism 14 can pass through the concave-convex bond layout and third location structure between clamping block 54 and arcuate rib 50
38 are sticked in the first location structure 24 to fix Position Design of the sliding seat 32 in guideway space 26 (at this point, first interface card
11 are plugged in interface card slot 16), to limit first interface card 11 on the circuit board 12 toward the displacement of X-axis and Y-axis, and can
The clamped design that arcuate rib 50 is clamped by button hook end 36 and about 52 tongue piece, to limit first interface card 11 in circuit
Toward the displacement of Z axis on plate 12, uses and generate three axis limit effects, so that it is guaranteed that first interface card 11 can be firmly mounted to circuit
The interface card installation operation of circuit board arrangement 10 is completed on plate 12.
On the other hand, if by Fig. 1, Fig. 7 and Fig. 8 it is found that user wants first interface card 11 from circuit board 12
On disassemble to be changed to the longer second interface card of length 13 (such as length is the M.2 interface card of 60mm, but is not limited)
When, user only needs the 42 opposed, inwardly directed flexural deformations of bending plate on first bias sliding seat 32 to release third location structure 38
The engaging between the first location structure 24, and then pull sliding seat 32 from correspondence first interface card 11 as shown in Figure 1
First installation length L1Position slide into as shown in Figure 7 corresponding second with the second guide rail bar 20 along the first guide rail bar 18 and connect
One second installation length L of mouth card 132Position, at this point, since first interface card 11 has been no longer influenced by the abutting of fastener 22
With clamping, therefore, user can facilitate and rapidly extract first interface card 11 from interface card slot 16 and complete first
The disassembling section of interface card 11.
Next, will have the second installation length L in user2Second interface card 13 be plugged in interface card slot 16 simultaneously
During keeping flat on the circuit board 12, second interface card 13 can compress downwards button hook end 36, so that clamping elastic arm 34 generates
Flexural deformations, and second interface card 13 is guided to continue to move down until second along the lead-in chamfered 37 on button hook end 36
Interface card 13 is displaced downwardly to until abutting sliding seat 32.
Finally, after second interface card 13 is displaced downwardly to and abuts sliding seat 32, the clamping elastic arm 34 of flexural deformations can phase
Accordingly driving button hook end 36 is snapped onto in arc groove 48 in arcuate rib 50, and clamps arcuate rib with about 52 tongue piece
50 and limit second interface card 13 on the circuit board 12 toward the displacement of Z axis, simultaneously, clamping block 54 can be recessed with arcuate rib 50
Convex engagement is so that sliding seat 32 can limit second interface card 13 on the circuit board 12 toward the displacement of X-axis and Y-axis, thereby, second
Interface card 13 can be firmly mounted on circuit board 12 and complete the interface card replacement operation of circuit board arrangement 10.
In another embodiment, it if user wants under dismantling first interface card 11 from circuit board 12, uses
Person can make clamping elastic arm 34 generate flexural deformations directly with the direction pressing clamping elastic arm 34 far from interface card slot 16, with
Limit of the button hook end 36 in Z-direction to arcuate rib 50 is released, in this way, user can facilitate and rapidly by first interface card
11 extract and complete the disassembling section of first interface card 11 from interface card slot 16.
It is noted that two sections that the sliding positioning between above-mentioned sliding seat and guide rail bar can be not limited to the above embodiments
Formula Position Design also can further use the additional location structure in guide rail bar to be grown with other corresponding difference installations
The design of the interface card (such as length is the M.2 interface card of 80mm or 110mm, but is not limited) of degree, becomes for related derivative
The description of change embodiment can refer to above-described embodiment and analogize, and details are not described herein.
In conclusion new using the fixed meter of screwed lock or plastics hook fixed design, this practicality compared to prior art
Type can slide into the installation length of the corresponding interface card to be installed using sliding seat along the guide rail bar of grafting on circuit boards
Position sliding Position Design so that fixed mechanism can install the interface card of different installation lengths, to greatly improve electricity
Road panel assembly uses elasticity what interface card was installed.In addition, only needing to lead to after sliding seat to be pushed to positioning due to the use of person
It is (as shown in FIG. 6 by 11 oblique cutting interface card slot 16 of first interface card to cross simple and intuitive one-part form interface card installation operation
And the operation pressed down on simultaneously) interface card can be firmly mounted on circuit board, and can release sliding seat with
After positioning between guide rail bar, the sliding positioning operation of sliding seat is carried out to complete the dismounting and replacement of interface card, therefore, this reality
Solve the problems, such as that well known interface card dismounts time-consuming in flow and significantly promotes circuit board arrangement in interface with novel
Convenience on card disassembling, assembling and replacing.In addition to this, multiple and different positions and hole need to be formed on circuit boards compared to prior art
For the larger mounting hole of hole area to install the design of plastics hook, the utility model uses guide rail bar only need to be with smaller structure
The insert-connecting plate of volume is inserted in the design of the mounting hole of circuit board, and meeting is designed using plastics hook to efficiently solve prior art
The problem of seriously affecting board circuit wiring space.
Although the utility model is disclosed as above with embodiment, it is not limited to the utility model, Ren Hesuo
Belonging to those of ordinary skill in technical field should can make a little in the case where not departing from the spirit and scope of the utility model
Change and retouch, therefore the scope of protection of the utility model should regard appended claims institute defender subject to.
Claims (18)
1. a kind of fixed mechanism, which is characterized in that the fixed mechanism is installed on a circuit board, to be selectively fixed to few one
First interface card or a second interface card, the circuit board have an interface card slot, the first interface card and the second interface
It is stuck in and is respectively provided with different one first installation length and one second when being plugged in the interface card slot relative to the circuit board
Installation length, the fixed mechanism include：
One first guide rail bar, first guide rail bar are set on the circuit board and are formed with one first location structure and at least one
Second location structure；
One second guide rail bar, second guide rail bar are set on the circuit board and are separated from each other with common shape with first guide rail bar
At a guideway space；And
There is a sliding seat and a clamping elastic arm, the clamping elastic arm uprightly to extend from the sliding seat for one fastener, the fastener
And there is a button hook end, the side which corresponds to first guide rail bar has a third location structure, which can
It is slidingly arranged between first guide rail bar and second guide rail bar, and is slided along the guideway space；
Wherein, first location structure is sticked in the third location structure to position the sliding seat and in the first interface card insertion
During being connected to the interface card slot and keeping flat on the board, the first interface card compress the button hook end downwards so that
The clamping elastic arm flexural deformations, and when the first interface card is displaced downwardly to and abuts the sliding seat, the clamping elastic arm of deformation provides
One recovery elastic force drives the button hook end to snap onto on the first interface card, to clamp the first interface jointly with the circuit board
Card；
It is sticked in second location structure in the third location structure to position the sliding seat and be connected in the second interface card insertion
The interface card slot and during keeping flat on the board, which compresses the button hook end downwards so that the folder
Hold elastic arm flexural deformations, and when the second interface card is displaced downwardly to and abuts the sliding seat, it is extensive that the clamping elastic arm of deformation provides this
Multiple elastic force drives the button hook end to snap onto on the second interface card, to clamp the second interface card jointly with the circuit board.
2. fixed mechanism as described in claim 1, which is characterized in that the third location structure is a pillar, first positioning
Structure is a positioning hole, which is sticked in the location hole, by the sliding seat be located in first guide rail bar and this
Between two guide rail bars.
3. fixed mechanism as described in claim 1, which is characterized in that the sliding seat is formed with side along first guide rail bar
Arm, the third location structure are formed on the side arm, when the third location structure is sticked in first location structure and the side arm
When being biased toward the direction far from first guide rail bar, which is detached from first location structure, so that the sliding
Seat can be slided along the guideway space.
4. fixed mechanism as claimed in claim 3, which is characterized in that one bending plate from one end of the side arm uprightly extend and
It is bent toward the direction far from first guide rail bar.
5. fixed mechanism as described in claim 1, which is characterized in that the clamping elastic arm is inverted u-shaped, and shape on the button hook end
Cheng Youyi lead-in chamfereds should during the first interface card insertion is connected to the interface card slot and keeps flat on the board
First interface card compresses downwards the button hook end so that the clamping elastic arm flexural deformations along the lead-in chamfered.
6. fixed mechanism as described in claim 1, which is characterized in that it is one up-front to correspond to the sliding seat for the first interface card
Position is formed with an arc groove, has an arcuate rib in the arc groove, the arcuate rib is from the first interface card to the sliding
Seat direction extends to form, and the leading edge of the sliding seat is formed with a tongue piece towards interface card slot protrusion, and a clamping block is formed in
On the tongue piece, when the first interface card insertion is connected to the interface card slot and keeps flat on the board, the clamping block and the arc
The convex engagement of shape costal fovea, and the button hook end clamps the arcuate rib up and down with the tongue piece.
7. fixed mechanism as described in claim 1, which is characterized in that a bending fastener first is led from the sliding seat in face of this
The side of rail bar is extended to form towards first guide rail bar, when the sliding seat is inserted in first guide rail bar and second guide rail bar
Between when, which is buckled in first guide rail bar, with guide the sliding seat along first guide rail bar slide.
8. fixed mechanism as described in claim 1, which is characterized in that the sliding seat is protruded in face of the side of first guide rail bar
It is formed with a guide shoe, which is slidably disposed in first guide rail bar, to guide the sliding seat along this
First guide rail bar is slided.
9. fixed mechanism as described in claim 1, which is characterized in that first guide rail bar has an at least insert-connecting plate, the electricity
The position that road plate corresponds to an at least insert-connecting plate is formed with a mounting hole, and at least an insert-connecting plate is inserted in the mounting hole for this, with
First guide rail bar is fixed on the board.
10. a kind of circuit board arrangement, which is characterized in that the circuit board arrangement is adapted selectively to an installation at least first interface
Card or a second interface card, the circuit board arrangement include：
One circuit board, the circuit board have an interface card slot, and the first interface card and the second interface are stuck in and are plugged in this
Different one first installation length and one second installation length are respectively provided with when interface card slot relative to the circuit board；And
One fixed mechanism, the fixed mechanism include：
One first guide rail bar, first guide rail bar are set on the circuit board and are formed with one first location structure and at least one
Second location structure；
One second guide rail bar, second guide rail bar are set on the circuit board and are separated from each other with common shape with first guide rail bar
At a guideway space；And
There is a sliding seat and a clamping elastic arm, the clamping elastic arm uprightly to extend from the sliding seat for one fastener, the fastener
And there is a button hook end, the side which corresponds to first guide rail bar has a third location structure, which can
It is slidingly arranged between first guide rail bar and second guide rail bar, and is slided along the guideway space；
Wherein, first location structure is sticked in the third location structure to position the sliding seat and in the first interface card insertion
During being connected to the interface card slot and keeping flat on the board, the first interface card compress the button hook end downwards so that
The clamping elastic arm flexural deformations, and when the first interface card is displaced downwardly to and abuts the sliding seat, the clamping elastic arm of deformation provides
One recovery elastic force drives the button hook end to snap onto on the first interface card, to clamp the first interface jointly with the circuit board
Card；
It is sticked in second location structure in the third location structure to position the sliding seat and be connected in the second interface card insertion
The interface card slot and during keeping flat on the board, which compresses the button hook end downwards so that the folder
Hold elastic arm flexural deformations, and when the second interface card is displaced downwardly to and abuts the sliding seat, it is extensive that the clamping elastic arm of deformation provides this
Multiple elastic force drives the button hook end to snap onto on the second interface card, to clamp the second interface card jointly with the circuit board.
11. circuit board arrangement as claimed in claim 10, which is characterized in that the third location structure is a pillar, this first
Location structure is a positioning hole, which is sticked in the location hole, by the sliding seat be located in first guide rail bar and
Between second guide rail bar.
12. circuit board arrangement as claimed in claim 10, which is characterized in that the sliding seat is formed with along first guide rail bar
One side arm, the third location structure are formed on the side arm, when the third location structure is sticked in first location structure and should
When side arm is biased toward the direction far from first guide rail bar, which is detached from first location structure, so that should
Sliding seat can be slided along the guideway space.
13. circuit board arrangement as claimed in claim 12, which is characterized in that a bending plate uprightly prolongs from one end of the side arm
It stretches and is bent toward the direction far from first guide rail bar.
14. circuit board arrangement as claimed in claim 10, which is characterized in that the clamping elastic arm is inverted u-shaped, and the button hook end
On be formed with a lead-in chamfered, be connected to the interface card slot in the first interface card insertion and keep flat process on the board
In, which compresses downwards the button hook end so that the clamping elastic arm flexural deformations along the lead-in chamfered.
15. circuit board arrangement as claimed in claim 10, which is characterized in that before the first interface card corresponds to the one of the sliding seat
The position of edge is formed with an arc groove, in the arc groove have an arcuate rib, the arcuate rib from the first interface card to this
Sliding seat direction extends to form, and the leading edge of the sliding seat is formed with a tongue piece, a clamping block shape towards interface card slot protrusion
At on the tongue piece, when the first interface card insertion is connected to the interface card slot and keeps flat on the board, the clamping block with
The arcuate rib bumps engage, and the button hook end clamps the arcuate rib up and down with the tongue piece.
16. circuit board arrangement as claimed in claim 10, which is characterized in that a bending fastener from the sliding seat in face of this
The side of one guide rail bar is extended to form towards first guide rail bar, when the sliding seat is inserted in first guide rail bar and this second is led
When between rail bar, which is buckled in first guide rail bar, to guide the sliding seat to be slided along first guide rail bar
It is dynamic.
17. circuit board arrangement as claimed in claim 10, which is characterized in that the sliding seat faces the side of first guide rail bar
Protrusion is formed with a guide shoe, which is slidably disposed in first guide rail bar, to guide the sliding seat edge
First guide rail bar sliding.
18. circuit board arrangement as claimed in claim 10, which is characterized in that first guide rail bar has an at least insert-connecting plate,
The position that the circuit board corresponds to an at least insert-connecting plate is formed with a mounting hole, and at least an insert-connecting plate is inserted in the mounting hole for this
In, which is fixed on the board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107200548U TWM564840U (en) | 2018-01-12 | 2018-01-12 | Fixing mechanism and circuit board device thereof |
| TW107200548 | 2018-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207802619U true CN207802619U (en) | 2018-08-31 |
Family
ID=63267073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820150591.4U Active CN207802619U (en) | 2018-01-12 | 2018-01-29 | Fixing mechanism and circuit board device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207802619U (en) |
| TW (1) | TWM564840U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996524A (en) * | 2019-08-14 | 2020-04-10 | 万诺电子（苏州）有限公司 | Circuit board production equipment |
| TWI744101B (en) * | 2020-11-19 | 2021-10-21 | 英業達股份有限公司 | Fastening device |
| CN113672048A (en) * | 2020-05-15 | 2021-11-19 | 佛山市顺德区顺达电脑厂有限公司 | Network card mounting mechanism |
| CN115079786A (en) * | 2021-03-15 | 2022-09-20 | 英业达科技有限公司 | Fixing device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI810536B (en) * | 2021-03-17 | 2023-08-01 | 英業達股份有限公司 | Fixing device |
| TWI766716B (en) * | 2021-06-04 | 2022-06-01 | 吳俊賢 | The structure of the inner frame of the solid state drive |
-
2018
- 2018-01-12 TW TW107200548U patent/TWM564840U/en unknown
- 2018-01-29 CN CN201820150591.4U patent/CN207802619U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996524A (en) * | 2019-08-14 | 2020-04-10 | 万诺电子（苏州）有限公司 | Circuit board production equipment |
| CN113672048A (en) * | 2020-05-15 | 2021-11-19 | 佛山市顺德区顺达电脑厂有限公司 | Network card mounting mechanism |
| CN113672048B (en) * | 2020-05-15 | 2024-04-19 | 佛山市顺德区顺达电脑厂有限公司 | Network card mounting mechanism |
| TWI744101B (en) * | 2020-11-19 | 2021-10-21 | 英業達股份有限公司 | Fastening device |
| CN115079786A (en) * | 2021-03-15 | 2022-09-20 | 英业达科技有限公司 | Fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM564840U (en) | 2018-08-01 |
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