CN102469737B - Circuit board fixing structure - Google Patents
Circuit board fixing structure Download PDFInfo
- Publication number
- CN102469737B CN102469737B CN201010535352.9A CN201010535352A CN102469737B CN 102469737 B CN102469737 B CN 102469737B CN 201010535352 A CN201010535352 A CN 201010535352A CN 102469737 B CN102469737 B CN 102469737B
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- circuit board
- fixture
- clamp hook
- elastic component
- fixing device
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Abstract
The invention provides a circuit board fixing device used for locating a circuit board at a rear of a shell. The circuit board fixing device comprises a circuit board and a clip. The clip comprises at least a hooking member, at least a fixing member and at least an elastic member. The hooking member is connected with a top of the fixing member. A face of the hooking member facing the fixing member is provided with a first hook. The fixing member is connected with a bottom of the elastic member. A face of the elastic member opposite to the fixing member is provided with a second hook which protrudes from the elastic member. The hooking member and the fixing member cross over a parietal margin of the circuit board. The first hook is connected with a clamp unit of the circuit board through hooking. The elastic member faces the shell and the second hook is connected with a bottom surface of a shell parietal margin through hooking.
Description
Technical field
The present invention relates to a kind of device of fixing circuit board, espespecially a kind of simple in structure, easy for installation, good for the fixing effect of circuit board, and can improve the fixed structure of circuit board dismounting convenience.
Background technology
General server (server) is at its hard disk casing (HDD cage) and mainboard (Mother Board, MB) between, be provided with a central circuit plate (Middle Plane), as the referral plate of mainboard and hard disk, on it, there are multiple connectors, can plug and reach electric connection for hard disk.Therefore central circuit plate is mostly perpendicular to server base, and is fixed on hard disk casing rear.
As for being connected of central circuit plate and mainboard, can use board to board connector (BTB connector) docking, or use cable to connect the connector on central circuit plate and mainboard, also can lean on golden finger (Golden Finger) to be connected with connector.No matter how central circuit plate is connected with mainboard.What prerequisite was that central circuit plate must can be firm is fixed on hard disk casing rear.
Existing fixed structure, , on hard disk casing, fastener is set mostly, when mounted when central circuit plate, the oblique angle structure that can rely on fastener to have, make fastener elastic yield, and reach behind precalculated position at central circuit plate, bales catch card, because central circuit plate is across the width of whole server, two to three fasteners must be set conventionally, just can maintain the firm effect of central circuit plate, therefore, in the time will dismantling central circuit plate, user must operate one by one fastener and discharge central circuit plate, not only inconvenient operation and the necessary cost plenty of time.
Summary of the invention
Because the disappearance of prior art, the present invention proposes a kind of circuit board fixing device, and it is simple in structure, easy for installation, good for the fixing effect of circuit board, and can improve circuit board dismounting convenience.
For achieving the above object, the technical solution used in the present invention is:
A kind of circuit board fixing device, in order to circuit board is positioned to the rear of a casing, this casing rear has a slot, it is characterized in that, and this circuit board fixing device comprises:
One circuit board, it has a relative apical margin and a root edge, and this circuit board is provided with at least one holding section, and this circuit board is inserted in this slot at casing rear; And
One clip, it comprises at least one clamp hook piece, at least one fixture and at least one elastic component, this clamp hook piece is connected with the top of this fixture, this clamp hook piece is provided with first snap fit towards the face of this fixture, this fixture is connected with the bottom of this elastic component, this elastic component dorsad face of this fixture is provided with second snap fit, this second snap fit protrudes from this elastic component, this clamp hook piece and this fixture are located at the apical margin of this circuit board, this first snap fit hooks the holding section of closing in this circuit board, this elastic component is towards this casing, and this second snap fit hooks and closes in the bottom surface of this casing apical margin.
Wherein: the top of this clamp hook piece is provided with a flange, this flange protrudes from this clamp hook piece face of this fixture dorsad.
Wherein: first lamellar body that this flange is extended to form by this clamp hook piece top, is 90 angles of spending between this first lamellar body and this clamp hook piece.
Wherein: this elastic component top is provided with a pushing part, this pushing part is in order to bear an external force, and this external force moves towards this fixture in order to promote this elastic component, and makes this second snap fit depart from the bottom surface of this casing apical margin.
Wherein: second lamellar body that this pushing part is extended to form by this elastic component top, be 90 angles of spending, and this second lamellar body protrudes from the face of this elastic component towards this fixture between this second lamellar body and this elastic component.
Wherein: this circuit board apical margin is provided with at least one recess, this holding section is this circuit board root edge, and this clamp hook piece is sticked in this recess with the position that is connected on this fixture top, and this first snap fit hooks and closes in circuit board root edge.
Wherein: this circuit board root edge is provided with a draw-in groove, and this draw-in groove is as this holding section.
Wherein: this circuit board is provided with a hollow part, this hollow part runs through this circuit board, and this hollow part is as this holding section.
Wherein: this clip has two clamp hook pieces, two fixtures and two elastic components, the top of these two clamp hook pieces and these two fixtures relies on a first connecting rod to interconnect, this first connecting rod has a development length, and this first connecting rod both sides along its length have two relative sides, these two clamp hook pieces are arranged at a wherein side of this first connecting rod, these two fixtures are arranged at another side of this first connecting rod, these two elastic components connect respectively a fixture, and the top of these two elastic components relies on a second connecting rod to interconnect, this second connecting rod has a development length, the length bearing of trend of this first connecting rod and this second connecting rod is parallel to each other.
Wherein: between these two clamp hook pieces, have first distance, between these two fixtures, have a second distance, this first distance is not equal to this second distance.
Compared with prior art, the beneficial effect that the present invention has is: it is simple in structure, easy for installation, good for the fixing effect of circuit board, and can improve circuit board dismounting convenience.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of first embodiment of the invention;
Fig. 2 is another angle three-dimensional structure diagram of clip the first embodiment of the present invention;
Fig. 3 is the combining structure schematic diagram of first embodiment of the invention;
Fig. 4 and Fig. 5 are the cross-sectional view of Fig. 3 A-A cross-section structure collocation hard disk casing;
Fig. 6 and Fig. 7 are the action schematic diagrames of dismounting first embodiment of the invention;
Fig. 8 is the decomposition texture schematic diagram of second embodiment of the invention;
Fig. 9 is another angle three-dimensional structure diagram of clip the second embodiment of the present invention;
Figure 10 is the combining structure schematic diagram of second embodiment of the invention.
Description of reference numerals: 10-clip; 11-clamp hook piece; 111-the first snap fit; 112-the first lamellar body; 12-fixture; 13-elastic component; 131-the second snap fit; 132-the second lamellar body; 133-arrow mark; 134-arc-shaped depression portion; 20-circuit board; 21-apical margin; 211-recess; 22-root edge; 221-draw-in groove; 23-connector; 30-server base; 40-hard disk casing; 41-space; 42-slot; 51,52-finger; 60-clip; 61-clamp hook piece; 611-the first snap fit; 62-fixture; 63-elastic component; 631-the second snap fit; 64-first connecting rod; 641,642-side; 65-second connecting rod; 651-arrow mark; 70-circuit board; 71-apical margin; 711-recess; 72-root edge; 721-hollow part; 73-connector; D1-the first distance; D2-second distance; F1-first direction; F2-second direction; W1-the first spacing; W2-the second spacing.
Embodiment
Technological means and effect of using for reaching object hereinafter with reference to the graphic the present invention of description who encloses, and following graphic cited embodiment be only aid illustration, in order to your juror's understanding, but that the technological means of this case is not limited to is cited graphic.
Refer to circuit board fixing device the first embodiment provided by the invention shown in Fig. 1, it comprises a clip 10, clip 10 is in order to mutually to assemble with a vertically disposed circuit board 20, circuit board 20 has a relative apical margin 21 and a root edge 22, be provided with a recess 211 in apical margin 21, be provided with a draw-in groove 221 in root edge 22, be provided with multiple connectors 23 in the one side of circuit board 20, this circuit board 20 can be central circuit plate (Middle Plane), such central circuit plate arranges perpendicular to server base conventionally, and be fixed on a hard disk (HDD) casing rear, circuit board 20 be provided with connector 23 one facing to hard disk, connector 23 can plug and reach electric connection for hard disk.
Refer to shown in Fig. 1 and Fig. 2, clip 10 comprises a clamp hook piece 11, one fixture 12 and an elastic component 13, clamp hook piece 11, fixture 12 and elastic component 13 are without exception rectangular microscler lamellar body, the height of this microscler lamellar body is greater than its width, and clamp hook piece 11, fixture 12 and elastic component 13 are arranged in parallel, clamp hook piece 11 interconnects with the top of fixture 12, between clamp hook piece 11 and fixture 12, there is a first spacing W1, this first spacing W1 is suitable with the thickness of coordinated circuit board 20, be provided with first snap fit 111 in clamp hook piece 11 towards the face of fixture 12, secondly, fixture 12 interconnects with the bottom of elastic component 13, between fixture 12 and elastic component 13, there is a second spacing W2, the first lamellar body 112 of the flattened rectangular extending to form in the top cross of clamp hook piece 11, between the first lamellar body 112 and clamp hook piece 11, be the angle of 90 degree, secondly, the elastic component 13 dorsad face of fixture 12 is provided with second snap fit 131, the second snap fit 131 protrudes from elastic component 13, moreover, elastic component 13 top cross extend to form second lamellar body 132, the second lamellar body 132 protrudes from elastic component 13 on the face of fixture 12, between the second lamellar body 132 and elastic component 13, also present the angle of about 90 degree.
Refer to Fig. 1, shown in Fig. 3 and Fig. 4, clip 10 is sticked in to circuit board 20, clamp hook piece 11 is located in the recess 211 of circuit board 20 apical margins 21 with fixture 12, the first snap fit 111 can hook the draw-in groove 221 closing in circuit board 20 root edges 22, clip 10 and circuit board 20 are firmly combined as a whole, should be noted that, in the time of engaging clip 10, the elastic component of clip 10 13 must be positioned to circuit board 20 and be provided with the one side of connector 23, for improving the correctness of assembling clip 10, can one arrow mark 133 be set in the second lamellar body 132 tops, in order to indicate user's application of force and installation direction.
Refer to shown in Fig. 4 and Fig. 5, on server base 30, be provided with a hard disk casing 40, this hard disk casing 40 has a space 41, this space 41 is inserted hard disk casing 40 in order to accommodating hard disk (not shown) along a first direction F1, be provided with a slot 42 in hard disk casing 40 1 ends, this slot 42 has the plant direction of a parallel second direction F2, the clip 10 that engaging is integrated mutually and circuit board 20 are inserted to slot 42 along second direction F2, and circuit board 20 be provided with connector 23 one facing to Winchester disk drive shell 40, also the second snap fit 131 that is elastic component 13 can be towards hard disk casing 40, therefore, in the time that circuit board 20 is inserted into this slot 41, the second snap fit 131 can hook the bottom surface of closing in hard disk casing 40 apical margins, second lamellar body 132 on elastic component 13 tops convexedly stretches in hard disk casing 40 tops, rely on the movement that slot 42 can limiting circuit plate 20 horizontal directions (being also parallel to first direction F1), relying on the second snap fit 131 to hook closes in the bottom surface of hard disk casing 40 apical margins, movement that can limiting circuit plate 20 vertical direction (being also parallel to second direction F2), as shown in Figure 5.
Refer to shown in Fig. 6 and Fig. 7, wish is taken out circuit board 20 during by server base 30, user utilizes a finger (for example forefinger) 51 to promote second lamellar body 132 on elastic component 13 tops, can promote elastic component 13 moves towards fixture 12, and make the second snap fit 131 depart from the bottom surface of hard disk casing 40 apical margins, known accordingly, the degree of depth that the second snap fit 131 engages with hard disk casing 40, must be less than the second spacing W2 between fixture 12 and elastic component 13, user utilizes another finger (for example thumb) 52 to be resisted against the first lamellar body 112 bottoms more simultaneously, can extract in the lump clip 10 out this server base 30 together with circuit board 20.
Refer to shown in Fig. 1 and Fig. 6, what must emphasize is, the effect of the first lamellar body 112 be to provide user point 52 against, and increase the frictional force while upwards drawing and lifting clip 10, accordingly, the first lamellar body 112 can be designed as other forms of flange, and flange protrudes from clamp hook piece 11 face of fixture 12 dorsad, do not limit the kenel of this first lamellar body 112, in addition, as shown in Figure 1, elastic component 13 is more than 131 wider width in the second snap fit, and extend the second lamellar body 132 of same widths, and be provided with an arc-shaped depression portion 134 in the junction of elastic component 13 tops and the second lamellar body 132, its role is to provide a larger contact area and meet the pushing part of pointing 51 radians, accordingly, the second lamellar body 132 can be designed to other forms of pushing part, do not limit illustrated embodiment, be beneficial to user and operate promotion, in addition, in the situation of mutually arranging in pairs or groups in clip 10 and circuit board 20 sizes, this clip 10 can directly be sticked in apical margin 21 and the root edge 22 of circuit board 20, as for the recess 211 of the present embodiment circuit board 20 apical margins 21 and the draw-in groove 221 of circuit board 20 root edges 22, its role is to limit clip 10 displacements, avoid clip 10 in circuit board 20 edge slippages, also can dwindle clip 10 volumes simultaneously, the position that recess 211 and draw-in groove 221 arrange is better to be positioned at the about central part of circuit board 20, the balance of the application of force during with raising extraction circuit plate 20, accordingly, this recess 211 and draw-in groove 221 can circuit board 20 other can provide the holding section of same function to substitute, the marginal texture that for example circuit board 20 has itself.
Refer to circuit board fixing device the second embodiment provided by the invention shown in Fig. 8, it comprises a clip 60, clip 60 is in order to mutually to assemble with a vertically disposed circuit board 70, the difference of the present embodiment and Fig. 1 embodiment is, the circuit board 20 of Fig. 1 is only provided with two connectors 23, and the present embodiment circuit board 70 is provided with six connectors 73, and the area of circuit board 70 is larger, clip 60 kenels of therefore, arranging in pairs or groups are also different.
Refer to shown in Fig. 8 and Fig. 9, clip 60 has two clamp hook pieces 61, two fixtures 62 and two elastic components 63, between clamp hook piece 61 and fixture 62, there is a first spacing W1, be provided with first snap fit 611 in clamp hook piece 61 towards the face of fixture 62, the top of two clamp hook pieces 61 and two fixtures 62 relies on a first connecting rod 64 to interconnect, first connecting rod 64 has a development length, and first connecting rod 64 both sides along its length have two relative sides 641, 642, two clamp hook pieces 61 are arranged at a wherein side 641 of first connecting rod 64, and between two clamp hook pieces 61, there is first distance B 1, two fixtures 62 are arranged at first connecting rod 64 another sides 62, between two fixtures 62, there is a second distance D2, the first distance B 1 is not equal to second distance D2, the bottom of two elastic components 63 is connected with the bottom of a fixture 62 respectively, two elastic components 63 dorsad face of fixture 62 are provided with second snap fit 631, between fixture 62 and elastic component 63, there is a second spacing W2, and the top of two elastic components 63 relies on a second connecting rod 65 to interconnect, second connecting rod 65 has a development length, first connecting rod 64 is parallel to each other with the length bearing of trend of second connecting rod 65.The position that the apical margin 71 of the circuit board 70 of the present embodiment corresponds to two clamp hook pieces 61 is provided with two recesses 711, and corresponding 2 first snap fit 611 positions of circuit board 70 are provided with hollow part 721, and this hollow part 721 runs through this circuit board 70.
Refer to shown in Fig. 8 and Figure 10, clip 60 is sticked in to circuit board 70, clamp hook piece 61 is located in the recess 711 of circuit board 70 apical margins 71 with fixture 62, the first snap fit 611 can hook and close in hollow part 721, clip 60 and circuit board 70 is firmly combined as a whole, similarly, in the time of engaging clip 60, the one side that the elastic component of clip 60 63 must be positioned to circuit board 70 and be provided with connector 73, arranges an arrow mark 651 in second connecting rod 65 tops, in order to indicate user's application of force and installation direction.The mode that the present embodiment operation clip 60 inserts circuit board 70 server base or taken out by server base, identical with mode shown in Fig. 4 to Fig. 7, although the clip 60 of the present embodiment is provided with two elastic components 63, but because two elastic components 63 are connected by second connecting rod 65, second connecting rod 65 is equivalent to the second lamellar body 132 of Fig. 1, in the time promoting second connecting rod 65, can drive two elastic components 63 synchronously to move towards fixture 62, therefore 2 second snap fits 631 can depart from the bottom surface of hard disk casing 40 apical margins simultaneously, its state is identical with the state that the second snap fit 131 shown in Fig. 6 departs from hard disk casing 40.
In sum, circuit board fixing device provided by the invention, its integrated clip design, not only simple in structure, easy for installation, fixing effect for circuit board is good, and can improve circuit board dismounting convenience, for more small-sized circuit board, the present invention can adopt single clip (embodiment as shown in Figure 1), for relatively large circuit board, the present invention can adopt parallel clip (embodiment as shown in Figure 8), except arranging shown in Fig. 8 the structure of two groups of snap fits, and also can be according to two groups of required designs with upper clamping hook.。
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skill in the art understand, in the case of not departing from the spirit and scope that claim limits; can make many amendments, variation or equivalence, but within all will falling into protection scope of the present invention.
Claims (10)
1. a circuit board fixing device, in order to circuit board is positioned to the rear of a casing, this casing rear has a slot, it is characterized in that, and this circuit board fixing device comprises:
One circuit board, it has a relative apical margin and a root edge, and this circuit board is provided with at least one holding section, and this circuit board is inserted in this slot at casing rear; And
One clip, it comprises at least one clamp hook piece, at least one fixture and at least one elastic component, this clamp hook piece is connected with the top of this fixture, this clamp hook piece is provided with first snap fit towards the face of this fixture, this fixture is connected with the bottom of this elastic component, this elastic component dorsad face of this fixture is provided with second snap fit, this second snap fit protrudes from this elastic component, this clamp hook piece and this fixture are located at the apical margin of this circuit board, this first snap fit hooks the holding section of closing in this circuit board, this elastic component is towards this casing, and this second snap fit hooks and closes in the bottom surface of this casing apical margin.
2. circuit board fixing device according to claim 1, is characterized in that: the top of this clamp hook piece is provided with a flange, and this flange protrudes from this clamp hook piece face of this fixture dorsad.
3. circuit board fixing device according to claim 2, is characterized in that: first lamellar body that this flange is extended to form by this clamp hook piece top, is 90 angles of spending between this first lamellar body and this clamp hook piece.
4. circuit board fixing device according to claim 1, it is characterized in that: this elastic component top is provided with a pushing part, this pushing part is in order to bear an external force, and this external force moves towards this fixture in order to promote this elastic component, and makes this second snap fit depart from the bottom surface of this casing apical margin.
5. circuit board fixing device according to claim 4, it is characterized in that: second lamellar body that this pushing part is extended to form by this elastic component top, between this second lamellar body and this elastic component, be the angle of 90 degree, and this second lamellar body protrudes from the face of this elastic component towards this fixture.
6. circuit board fixing device according to claim 1, it is characterized in that: this circuit board apical margin is provided with at least one recess, this holding section is this circuit board root edge, and this clamp hook piece is sticked in this recess with the position that is connected on this fixture top, and this first snap fit hooks and closes in circuit board root edge.
7. circuit board fixing device according to claim 1, is characterized in that: this circuit board root edge is provided with a draw-in groove, and this draw-in groove is as this holding section.
8. circuit board fixing device according to claim 1, is characterized in that: this circuit board is provided with a hollow part, and this hollow part runs through this circuit board, and this hollow part is as this holding section.
9. circuit board fixing device according to claim 1, it is characterized in that: this clip has two clamp hook pieces, two fixtures and two elastic components, the top of these two clamp hook pieces and these two fixtures relies on a first connecting rod to interconnect, this first connecting rod has a development length, and this first connecting rod both sides along its length have two relative sides, these two clamp hook pieces are arranged at a wherein side of this first connecting rod, these two fixtures are arranged at another side of this first connecting rod, these two elastic components connect respectively a fixture, and the top of these two elastic components relies on a second connecting rod to interconnect, this second connecting rod has a development length, the length bearing of trend of this first connecting rod and this second connecting rod is parallel to each other.
10. circuit board fixing device according to claim 9, is characterized in that: between these two clamp hook pieces, have first distance, between these two fixtures, have a second distance, this first distance is not equal to this second distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010535352.9A CN102469737B (en) | 2010-11-04 | 2010-11-04 | Circuit board fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010535352.9A CN102469737B (en) | 2010-11-04 | 2010-11-04 | Circuit board fixing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102469737A CN102469737A (en) | 2012-05-23 |
| CN102469737B true CN102469737B (en) | 2014-11-12 |
Family
ID=46072689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010535352.9A Active CN102469737B (en) | 2010-11-04 | 2010-11-04 | Circuit board fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102469737B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI602494B (en) * | 2015-07-06 | 2017-10-11 | 達運精密工業股份有限公司 | Pcb fastening structure and display device having the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204226A (en) * | 1997-05-29 | 1999-01-06 | 鸿海精密工业股份有限公司 | Press type circuit board auxiliary locator |
| CN2852612Y (en) * | 2005-12-15 | 2006-12-27 | 英业达股份有限公司 | Circuit board fixing structure |
-
2010
- 2010-11-04 CN CN201010535352.9A patent/CN102469737B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204226A (en) * | 1997-05-29 | 1999-01-06 | 鸿海精密工业股份有限公司 | Press type circuit board auxiliary locator |
| CN2852612Y (en) * | 2005-12-15 | 2006-12-27 | 英业达股份有限公司 | Circuit board fixing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102469737A (en) | 2012-05-23 |
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Effective date of registration: 20160901 Address after: 510635, A4 building, No. 11, Kaiyuan Avenue, Science City, Guangzhou hi tech Industrial Development Zone, Guangdong, Guangzhou, third Patentee after: GUANGZHOU TRUSME ELECTRONIC TECHNOLOGY CO., LTD. Address before: Taipei City, Taiwan, China Patentee before: Inventec Corporation |