CN102469737A

CN102469737A - Circuit board fixing structure

Info

Publication number: CN102469737A
Application number: CN2010105353529A
Authority: CN
Inventors: 林伶娥
Original assignee: Inventec Corp
Current assignee: GUANGZHOU TRUSME ELECTRONIC TECHNOLOGY CO., LTD.
Priority date: 2010-11-04
Filing date: 2010-11-04
Publication date: 2012-05-23
Anticipated expiration: 2030-11-04
Also published as: CN102469737B

Abstract

The invention provides a circuit board fixing structure used for locating a circuit board at a rear of a shell. The circuit board fixing structure 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

Circuit board fixation structure

Technical field

The present invention relates to a kind of device of fixing circuit board, refer to a kind of simple in structure, easy for installation, good for the retention effect of circuit board, and can improve the fixed structure of circuit board dismounting convenience especially.

Background technology

General server (server) is at its hard disk casing (HDD cage) and mainboard (Mother Board; MB) be provided with a central circuit plate (Middle Plane) between; Referral plate as mainboard and hard disk has a plurality of connectors on it, can supply hard disk to plug and reach electric connection.Therefore the central circuit plate is mostly perpendicular to the server base, and is fixed in hard disk casing rear.

As for being connected of central circuit plate and mainboard, can use board to board connector (BTB connector) butt joint, or use cable to connect the connector on central circuit plate and the mainboard, also can lean on golden finger (Golden Finger) to be connected with connector.No matter how the central circuit plate is connected with mainboard.Prerequisite is that the central circuit plate must can be firm is fixed in hard disk casing rear.

Existing fixed structure is on the hard disk casing, fastener to be set mostly, when mounted during the central circuit plate; Can rely on the oblique angle structure that fastener had, make the fastener elastic yield, and after the central circuit plate reaches the precalculated position; The bales catch card is because the central circuit plate must be provided with two to three fasteners usually across the width of whole server; Just can keep the firm effect of central circuit plate, therefore, in the time will dismantling the central circuit plate; The user must operate fastener one by one and discharge the central circuit plate, not only inconvenient operation and necessary cost plenty of time.

Summary of the invention

Because the disappearance of prior art, the present invention proposes a kind of circuit board fixation structure, and it is simple in structure, easy for installation, and is good for the retention effect of circuit board, and can improve circuit board dismounting convenience.

For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:

A kind of circuit board fixation structure, in order to circuit board is positioned the rear of a casing, this casing rear has a slot, it is characterized in that, and this circuit board fixation structure 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 links to each other with the top of this fixture; This clamp hook piece is provided with one first trip towards the face of this fixture; This fixture links to each other with the bottom of this elastic component, and this elastic component face of this fixture dorsad is provided with one second trip, and this second trip protrudes in this elastic component; This clamp hook piece and this fixture are striden the apical margin of being located at this circuit board; This first trip colludes the holding section of closing in this circuit board, and this elastic component is towards this casing, and this second trip colludes the bottom surface of closing in this casing apical margin.

Wherein: the top of this clamp hook piece is provided with a flange, and this flange protrudes in this clamp hook piece face of this fixture dorsad.

Wherein: one first lamellar body that this flange is extended to form by this clamp hook piece top, be between this first lamellar body and this clamp hook piece 90 the degree angle.

Wherein: this elastic component top is provided with a pushing part, and 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 trip break away from the bottom surface of this casing apical margin.

Wherein: one second lamellar body that this pushing part is extended to form by this elastic component top, be the angle of 90 degree between this second lamellar body and this elastic component, and this second lamellar body protrudes in the face of this elastic component towards this fixture.

Wherein: this circuit board apical margin is provided with at least one recess, and this holding section is this circuit board root edge, and this clamp hook piece is sticked in this recess with the position that links to each other on this fixture top, and this first trip colludes and closes in the 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, and 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 has two relative sides along the both sides of its length direction, and these two clamp hook pieces are arranged at a wherein side of this first connecting rod, and these two fixtures are arranged at another side of this first connecting rod; These two elastic components connect a fixture respectively; And the top of these two elastic components relies on a second connecting rod to interconnect, and this second connecting rod has a development length, and the length bearing of trend of this first connecting rod and this second connecting rod is parallel to each other.

Wherein: have one first distance between these two clamp hook pieces, have a second distance between these two fixtures, 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, and is good for the retention effect of circuit board, and can improve circuit board dismounting convenience.

Description of drawings

Fig. 1 is the decomposition texture sketch map of first embodiment of the invention;

Fig. 2 is another angle three-dimensional structure diagram of clip first embodiment of the present invention;

Fig. 3 is the combining structure sketch map 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 sketch mapes of dismounting first embodiment of the invention;

Fig. 8 is the decomposition texture sketch map of second embodiment of the invention;

Fig. 9 is another angle three-dimensional structure diagram of clip second embodiment of the present invention;

Figure 10 is the combining structure sketch map of second embodiment of the invention.

Description of reference numerals: 10-clip; The 11-clamp hook piece; 111-first trip; 112-first lamellar body; The 12-fixture; The 13-elastic component; 131-second trip; 132-second lamellar body; The 133-arrow mark; The 134-arc-shaped concave; The 20-circuit board; The 21-apical margin; The 211-recess; The 22-root edge; The 221-draw-in groove; The 23-connector; 30-server base; 40-hard disk casing; The 41-space; The 42-slot; 51,52-finger; The 60-clip; The 61-clamp hook piece; 611-first trip; The 62-fixture; The 63-elastic component; 631-second trip; The 64-first connecting rod; 641,642-side; The 65-second connecting rod; The 651-arrow mark; The 70-circuit board; The 71-apical margin; The 711-recess; The 72-root edge; The 721-hollow part; The 73-connector; D1-first distance; The D2-second distance; The F1-first direction; The F2-second direction; W1-first spacing; W2-second spacing.

Embodiment

Below will be with reference to the graphic the present invention of description who encloses for reaching employed technological means of purpose and effect, and below graphic cited embodiment be merely aid illustration, in order to your juror understand, but that the technological means of this case is not limited to is cited graphic.

See also first kind of embodiment of circuit board fixation structure provided by the invention shown in Figure 1, it comprises a clip 10, and clip 10 is in order to assemble with a vertically disposed circuit board 20 each other; Circuit board 20 has a relative apical margin 21 and a root edge 22, is provided with a recess 211 in apical margin 21, is provided with a draw-in groove 221 in root edge 22; One side in circuit board 20 is provided with a plurality of connectors 23; This circuit board 20 can be central circuit plate (Middle Plane), and such central circuit plate is provided with perpendicular to the server base usually, and is fixed in a hard disk (HDD) casing rear; Circuit board 20 is provided with the one side of connector 23 towards hard disk, and connector 23 can supply hard disk to plug to reach electric connection.

See also Fig. 1 and shown in Figure 2, clip 10 comprises a clamp hook piece 11, a fixture 12 and an elastic component 13, and clamp hook piece 11, fixture 12 and elastic component 13 are rectangular without exception 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 be arranged in parallel, and clamp hook piece 11 interconnects with the top of fixture 12; Have one first spacing W1 between clamp hook piece 11 and the fixture 12, W1 is suitable with the thickness of the circuit board that is cooperated 20 for this first spacing, is provided with one first trip 111 in clamp hook piece 11 towards the face of fixture 12; Secondly; Fixture 12 interconnects with the bottom of elastic component 13, has one second spacing W2 between fixture 12 and the elastic component 13, first lamellar body 112 of a flattened rectangular that extends to form in the top cross of clamp hook piece 11; The angle that is 90 degree between first lamellar body 112 and the clamp hook piece 11; Secondly, elastic component 13 dorsad the face of fixture 12 be provided with one second trip, 131, the second trips 131 and protrude in elastic component 13; Moreover; Elastic component 13 top cross extend to form one second lamellar body, 132, the second lamellar bodies 132 and protrude in elastic component 13 on the face of fixture 12, also present the angle of about 90 degree between second lamellar body 132 and the elastic component 13.

See also Fig. 1, Fig. 3 and shown in Figure 4, clip 10 is sticked in circuit board 20, clamp hook piece 11 is striden in the recess 211 of being located at circuit board 20 apical margins 21 with fixture 12; First trip 111 can collude the draw-in groove 221 that closes in circuit board 20 root edges 22; Clip 10 and circuit board 20 firmly are combined as a whole, must be noted that when engaging clip 10; Must the elastic component 13 of clip 10 be positioned at the one side that circuit board 20 is provided with connector 23; For improving the correctness of assembling clip 10, can one arrow mark 133 be set in second lamellar body, 132 tops, in order to indication user's application of force and installation direction.

See also Fig. 4 and shown in Figure 5, be provided with a hard disk casing 40 in server base 30, this hard disk casing 40 has a space 41; This space 41 is inserted hard disk casing 40 in order to ccontaining 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, and the clip 10 that engages each other for one is inserted slot 42 with circuit board 20 along second direction F2; And circuit board 20 is provided with the one side of connector 23 towards hard disk casing 40; Second trip 131 that also is elastic component 13 can be towards hard disk casing 40, therefore, and when circuit board 20 is inserted into this slot 41; Second trip 131 can collude 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, but relies on moving of slot 42 restricting circuits plates 20 horizontal directions (also promptly being parallel to first direction F1), relies on second trip 131 to collude the bottom surface of closing in hard disk casing 40 apical margins; But moving of restricting circuits plate 20 vertical direction (also promptly being parallel to second direction F2) is as shown in Figure 5.

See also Fig. 6 and shown in Figure 7; When desire was taken out circuit board 20 by server base 30, the user utilized a finger (for example forefinger) 51 to promote second lamellar body 132 on elastic component 13 tops, can promote elastic component 13 and move towards fixture 12; And make second trip 131 break away from the bottom surface of hard disk casing 40 apical margins; Can know that in view of the above the degree of depth that second trip 131 engages with hard disk casing 40 must be less than the second spacing W2 of 13 of fixture 12 and elastic components; The user utilizes another finger (for example thumb) 52 to be resisted against first lamellar body, 112 bottoms more simultaneously, can extract clip 10 out this server base 30 in the lump together with circuit board 20.

See also Fig. 1 and shown in Figure 6, what it must be emphasized that explanation is, the effect of first lamellar body 112 be to provide the user point 52 against; And increase the frictional force when upwards drawing and lifting clip 10, in view of the above, first lamellar body 112 can be designed as other forms of flange; And flange protrude in clamp hook piece 11 dorsad the face of fixture 12 get final product, do not limit the kenel of this first lamellar body 112, in addition; As shown in Figure 1, elastic component 13 is in the wider width of second trip more than 131, and extends second lamellar body 132 of same widths; And be provided with an arc-shaped concave 134 in the junction of elastic component 13 tops and second lamellar body 132, its role is to provide a bigger contact area and meet the pushing part of pointing 51 radians, in view of the above; Second lamellar body 132 can be designed to other forms of pushing part, does not limit illustrated embodiment, is beneficial to the user and operates promotion and get final product; In addition, under the situation that clip 10 and circuit board 20 sizes are arranged in pairs or groups each other, this clip 10 can directly be sticked in the apical margin 21 and the root edge 22 of circuit board 20; As for the recess 211 of 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 simultaneously clip 10 volumes; The position that recess 211 and draw-in groove 221 are provided with is preferable to be positioned at circuit board 20 about central parts, the balance of the application of force during with raising extraction circuit plate 20, in view of the above; 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 itself has of circuit board 20 for example.

See also second kind of embodiment of circuit board fixation structure provided by the invention shown in Figure 8, it comprises a clip 60, and clip 60 is in order to assemble with a vertically disposed circuit board 70 each other; The difference of present embodiment and Fig. 1 embodiment is; The circuit board 20 of Fig. 1 only is provided with two connectors 23, and present embodiment circuit board 70 is provided with six connectors 73, and the area of circuit board 70 is bigger; Clip 60 kenels of therefore, being arranged in pairs or groups are also different.

See also Fig. 8 and shown in Figure 9; Clip 60 has two clamp hook pieces 61, two fixtures 62 and two elastic components 63, has one first spacing W1 between clamp hook piece 61 and the fixture 62, is provided with one first trip 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 has 641,642, two clamp hook pieces 61 of two relative sides along the both sides of its length direction and is arranged at a wherein side 641 of first connecting rod 64; And has one first distance B 1 between two clamp hook pieces 61; Two fixtures 62 are arranged between 62, two fixtures 62 of first connecting rod 64 another sides has a second distance D2, and 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 face of fixture 62 dorsad are provided with one second trip 631, have one second spacing W2 between fixture 62 and the elastic component 63, 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, and 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 present embodiment corresponds to two clamp hook pieces 61 is provided with two recesses 711, and circuit board 70 corresponding 2 first trips 611 positions are provided with hollow part 721, and this hollow part 721 runs through this circuit board 70.

See also Fig. 8 and shown in Figure 10, clip 60 is sticked in circuit board 70, clamp hook piece 61 is striden in the recess 711 of being located at circuit board 70 apical margins 71 with fixture 62; First trip 611 can collude and close in hollow part 721, clip 60 and circuit board 70 firmly is combined as a whole, likewise; When engaging clip 60; Must the elastic component 63 of clip 60 be positioned at the one side that circuit board 70 is provided with connector 73, one arrow mark 651 be set, in order to indication user's application of force and installation direction in second connecting rod 65 tops.The mode that present embodiment operation clip 60 inserts circuit board 70 the server base or taken out by the server base; Identical with Fig. 4 to mode shown in Figure 7; Though the clip 60 of present embodiment is provided with two elastic components 63, because two elastic components 63 are linked to each other by second connecting rod 65, second connecting rod 65 is equivalent to second lamellar body 132 of Fig. 1; When promoting second connecting rod 65; Can drive two elastic components 63 and move towards fixture 62 synchronously, therefore 2 second trips 631 can break away from the bottom surface of hard disk casing 40 apical margins simultaneously, and its state is identical with the state that second trip 131 shown in Figure 6 breaks away from hard disk casing 40.

In sum, circuit board fixation structure provided by the invention, its integrated clip design; Not only simple in structure, easy for installation, good for the retention effect of circuit board, 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), and for than the large scale circuit plate, the present invention can adopt parallel clip (embodiment as shown in Figure 8); Except the structure that two groups of trips are set shown in Figure 8, 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 skills understand, under the situation of spirit that does not break away from claim and limited and scope; Can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.

Claims

1. circuit board fixation structure, in order to circuit board is positioned the rear of a casing, this casing rear has a slot, it is characterized in that, and this circuit board fixation structure comprises:

2. circuit board fixation structure according to claim 1 is characterized in that: the top of this clamp hook piece is provided with a flange, and this flange protrudes in this clamp hook piece face of this fixture dorsad.

3. circuit board fixation structure according to claim 2 is characterized in that: one first lamellar body that this flange is extended to form by this clamp hook piece top, be between this first lamellar body and this clamp hook piece 90 the degree angle.

4. circuit board fixation structure 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 trip break away from the bottom surface of this casing apical margin.

5. circuit board fixation structure according to claim 4; It is characterized in that: one second lamellar body that this pushing part is extended to form by this elastic component top; The angle that is 90 degree between this second lamellar body and this elastic component, and this second lamellar body protrudes in the face of this elastic component towards this fixture.

6. circuit board fixation structure 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 links to each other on this fixture top, and this first trip colludes and closes in the circuit board root edge.

7. circuit board fixation structure 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 fixation structure 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 fixation structure 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, and this first connecting rod has a development length, and this first connecting rod has two relative sides along the both sides of its length direction; 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, and these two elastic components connect a fixture respectively, and the top of these two elastic components relies on a second connecting rod to interconnect; This second connecting rod has a development length, and the length bearing of trend of this first connecting rod and this second connecting rod is parallel to each other.

10. circuit board fixation structure according to claim 9 is characterized in that: have one first distance between these two clamp hook pieces, have a second distance between these two fixtures, this first distance is not equal to this second distance.