WO2009074067A1

WO2009074067A1 - A mobile hard disk cartridge circuit board fixation method and a mobile hard disk cartridge

Info

Publication number: WO2009074067A1
Application number: PCT/CN2008/073223
Authority: WO
Inventors: Chunsheng Huang; Yixiao Nie
Original assignee: Shenzhen Excelstor Technology Ltd.
Priority date: 2007-11-27
Filing date: 2008-11-27
Publication date: 2009-06-18
Also published as: CN101447213A

Abstract

A mobile hard disk cartridge circuit board fixation method, wherein the fixation device in an end cap cannot produce a fixation effect when the end cap is not inserted in the cartridge body, whereas when the end cap is inserted in the cartridge body, said cartridge body interacts on the fixation device and causes it to lock the circuit board. A mobile hard disk cartridge is also provided, wherein the cartridge body encloses a cavity; the end cap has a fixation device which interacts with the cartridge body and locks the circuit board when the end cap is inserted in the cartridge body; the cartridge body has a extruded part which interacts with the fixation device and locks the circuit board, said extruded part is set in the cavity. The mobile hard disk cartridge adopting the technical solution of this invention can be disassembled conveniently and the clip can not easily be broken, because the extruded part is set in the cartridge body, and the end cap has a fixation device which can interact with the extruded part and lock the circuit board when the end cap is inserted in the cartridge body; the said fixation device does not lock the circuit board after the end cap is extracted from the cartridge body.

Description

Method for fixing circuit board of mobile hard disk box and mobile hard disk box

[1] Technical field

[2] The present invention relates to a structural improvement of a casing, and particularly to a method for fixing a circuit board of a mobile hard disk box, a casing and an end cover of the mobile hard disk case using the same, and a casing and an end cover Mobile hard drive - °

[3] Background Art

[4] FIG. 1 is an exploded view of a mobile hard disk case including a case body 1, an end cover 3, and a circuit board 2 fixed to the end cover 3. Fig. 2 is a schematic view showing the assembly of the end cover 3 without the case 1 吋, the end cover 3 and the circuit board 2. As can be seen from Fig. 2, the end caps 3 are provided with snaps 31 for fixing the circuit board 2, and the distance between the two latches 31 in the free state is smaller than the width of the circuit board 2. When the circuit board 2 is inserted along the buckle 31, the buckle 31 is elastically deformed, so that the circuit board 2

Can be inserted. After the circuit board 2 is inserted into position, the buckle 31 is reset and its engaging portion 311 is snapped into the corresponding notch 21 on both sides of the circuit board 2, thereby fixing the circuit board 2 to the end cover 3, and then the end cover 3 After inserting the case 1 again, through the screw 4 and the case 1

Fixed, that is, the assembly of the mobile hard disk box is completed. A problem with this type of fixing is that when the circuit board 2 needs to be removed, a large force is applied to the two buckles 31, so that the engaging portion 311 of the buckle 31 comes out of the notch 21 of the circuit board 2. After that, the board 2 can be

It is not convenient to remove, and it is easy to break the buckle 31 due to poor power control.

[5] Summary of the invention

[6] The problem to be solved by the present invention is to provide a circuit board fixing method for a mobile hard disk case and a mobile hard disk case which are convenient for disassembling a circuit board.

[7] In order to solve the above technical problems, the present invention uses the following technical solutions:

[8] A method of fixing a circuit board of a mobile hard disk box, the mobile hard disk box comprising an end cover, a circuit board and a box body

The circuit board is inserted into the elastic fixing device of the end cover by means of zero insertion force, and when the end cover is in the state of being inserted into the casing, the casing squeezes the fixing device to elastically deform the fixing device to automatically lock the circuit board.

[9] A case of a mobile hard disk case, which is assembled with a circuit board and an end cover to form a mobile hard disk case, the case There is an inner cavity in which a pressing portion for locking the circuit board with the fixing device for inserting the inner cover into the inner cover and the end cover is fixed.

[10] An end cover of a mobile hard disk box, which is used for assembling with a box body and a circuit board to form a mobile hard disk box, comprising a body and a body fixed on the body and cooperated with the pressing portion of the box body to automatically lock the circuit board. Elastic fixing device.

[11] A mobile hard disk box, comprising a box body, a circuit board and an end cover, the box body having an inner cavity, the end cover comprising a body and an elastic fixing device disposed on the body, the box body being provided with the fixing device The pressing portion is fixed to the inner cavity, and the end cover is inserted into the cavity of the casing, and the pressing portion is pressed and fixed to deform the device to lock the circuit board.

[12] BRIEF DESCRIPTION OF THE DRAWINGS

[13] Figure 1 is an exploded view of a prior art mobile hard disk cartridge;

[14] FIG. 2 is a schematic view showing the assembly of an end cover and a circuit board of a prior art mobile hard disk case;

Figure 3 is an exploded view of a mobile hard disk cartridge in accordance with an embodiment of the present invention;

[16] FIG. 4 is a schematic view of an end cap and a circuit board not mounted in a casing according to an embodiment of the present invention;

5 is a schematic view of an end cap and a circuit board housed in a casing according to an embodiment of the present invention.

[18] Specific implementation

[19] The method for fixing the mobile hard disk box circuit board provided by this embodiment is the end cover 3

Before the case 1 is loaded, the fixture on the end cap 3 is on the board 2

Does not produce a fixed effect; only the circuit board 2 and the end cover 3 are assembled to the casing 1

On the same side, the fixture will work and lock the board 2. Therefore, after the end cap 3 is detached from the casing 1, the fixing device automatically releases the circuit board 2 to which it is fixed, so that the disassembly is convenient.

[20] The mobile hard disk box provided in this embodiment is shown in FIG. 3, and the mobile hard disk box includes a box 1

, circuit board 2, end cap 3 and screw 4. A screw post 12 is fixed on both sides of the inner cavity 10 of the casing 1. The screw post 12 can not only cooperate with the screw 4 but also the end cap 3 and the casing 1

Fixed, it can also work on the fixed connection of the circuit board 2 and the end cover 3, as shown in Figure 4. Figure 4 is a state diagram in which the end cap 3 and the circuit board 2 are not loaded into the casing 1 , and the end cap 3 is visible from Fig. 4

The two snaps 31 on both sides are inclined outward. Two buckles 31 and the body of the end cap 3 32

The roots of the connections are relatively close, and the further away from the body 32, the greater the spacing, i.e., the two snaps 31

An oblique extension that extends outwardly (eg, two snaps 31 extend from the body 32 in an outer figure-eight shape) , so that the circuit board 2 can be easily inserted between the two buckles 31, and the engaging portion of the buckle 31 in this state

The 311 is not caught in the notch 21 on both sides of the circuit board 2, so that the circuit board 2 can be easily removed from the end cover 3, i.e., the circuit board 2 is not fixed to the end cover 3. This two buckles 31

In the free state, the width of the fixing device composed of the two buckles 31 is larger than the distance between the two screw posts 12 in the inner cavity 11 of the casing 1. The width of the fixture may include two snaps 31

The spacing and the width of the two snaps 31 may also include the spacing of the two snaps 31.

[21] When the circuit board 2 is placed between the two latches 31 of the end cap 3, the two latches can be used with external force.

Squeezing in the middle so as to be in close contact with the two sides of the circuit board 2, it can be placed in the inner cavity 10 of the casing 1, and the two snaps 31 are located between the two screw posts 12. In this process, due to the limitation of the deformation of the buckle 31 on both sides of the circuit board 2, the control of the specific size of the buckle 31 ensures that the buckle 31 is not easily broken. Thereafter, the two screw posts 12 press the two latches 31 inwardly instead of the external force, so that the engaging portions 311 on the latch 31 are caught in the notches 21 on both sides of the circuit board 2, thereby locking the circuit board 2. Fig. 5 shows the case where the end cap 3 and the circuit board 2 are inserted into the inner cavity 11 of the casing 1. In Fig. 5, only the screw studs 12 on both sides of the inner cavity 11 of the casing 1 are shown. As can be seen from Fig. 5, the two screw posts 12 abut against the two latches 31 of the end cap 3, and the two snaps 31 are pushed in the middle so that the latch 31

The elastic deformation occurs, and the engaging portions 311 of the two buckles 31 are caught in the notches 21 on both sides of the circuit board 2, so that the circuit board 2 is locked on the end cover 3. Finally, the end cover 3 is screwed 4

It is fixed on the casing 1, that is, the assembly of the mobile hard disk box is completed. This two buckles 31

In the locked state, the width of the fixing device composed of the two buckles 31 is equal to the distance between the two screw posts 12 in the inner cavity 11 of the casing 1.

[22] When it is necessary to remove the circuit board ₂ , first remove the two screws 4, and then the end cover 3 can be withdrawn from the inner cavity 10 of the casing 1. The two latches 31 on the end cap 3 are elastically reset by themselves, and the engaging portions 311 of the two latches 31 are separated from the notches 21 of the circuit board 2, so that the two latches 31 are not required.

When the force is applied, the circuit board 2 can be taken out directly, which is convenient, and the buckle 31 is not easily broken.

[23] A method for fixing a circuit board of a mobile hard disk box, the mobile hard disk case comprising an end cover, a circuit board and a box body, wherein the circuit board is inserted into the elastic fixing device of the end cover by a zero insertion force. And in a state in which the end cap is placed in the casing, the casing presses the fixing device to make the fixing device elastic Deformed and automatically lock the board. The zero insertion force includes no insertion force and two conditions with a small insertion force, which is a large insertion force relative to the circuit board in the existing mobile hard disk case (the board is inserted between the two buckles) In terms of forcing the buckle to deform to produce a large insertion force).

[24] A case of a mobile hard disk case, which is assembled with a circuit board and an end cover to form a mobile hard disk case, the case has an inner cavity, and the inner cavity is fixed with a cavity for loading the end cover into the inner cavity锁Let the end cap fixing device lock the pressing portion of the circuit board. The pressing portion is a screw post for engaging with a screw to fix the end cover. There are two screw columns, and the two screw posts are respectively located at two sides of the inner cavity. The spacing between the two studs is less than the width of the securing means when the end cap is not inserted into the lumen, and the spacing of the two studs is equal to the width of the securing means in the end cap.

[25] An end cover of a mobile hard disk case, which is used for assembling with a box body and a circuit board to form a mobile hard disk box, comprising a body and being fixed on the body and cooperating with the pressing portion of the box body to automatically lock the circuit The elastic fixing device of the board. The fixing device is two separately arranged and elastic buckles, and the two buckles are obliquely extended from a side of the body facing the box body and are relatively outwardly opened. The width of the fixing device is not filled in the end cover. The body is larger than the spacing of the two pressing portions of the casing, and the width is equal to the spacing of the end caps into the casing 吋 equal to the two pressing portions of the casing. The circuit board is inserted between the two buckles and the end cover is not inserted into the casing, and the width of the circuit board is not greater than the spacing between the two buckles. Each of the buckles has a snap portion for snapping into a notch of the circuit board. The two buckles extend from the body in an outer figure-eight shape.

[26] A mobile hard disk box, comprising a box body, a circuit board and an end cover, the box body having an inner cavity, the end cover comprising a body and an elastic fixing device disposed on the body, the box body is provided with The pressing portion of the fixing device is fixed, the pressing portion is fixed to the inner cavity, and the end cover is inserted into the cavity of the casing, and the pressing portion is pressed and fixed to deform the device to lock the circuit board. The pressing portion is a screw column for engaging with a screw, and the screw column has two screws respectively fixed on two sides of the inner cavity, and the fixing device is two separate and elastic buckles. The two buckles are in a free state, extend obliquely and open relatively outward, the two screw posts are matched with the two buckles, the end cover is inserted into the cavity of the box body, and the two screw posts press the two buckles inwardly. The two clips are deformed to clamp the board. The body of the end cap is fixed to the two screw posts of the casing by two screws. The two buckles are in a free state, and the outer side of the body has an outer figure-eight shape and extends obliquely toward the box body. The buckle has a latching portion, and the circuit board has a notch corresponding thereto. After the end cover is inserted into the inner cavity of the box, the buckle is engaged with the corresponding notch. The distance between the two buckles in a free state is not less than The width of the board.

[27] Since the pressing portion is provided on the casing, the end cover is provided with a fixing device that is inserted into the casing and the pressing portion to lock the circuit board, and the end cover is separated from the casing. After that, the circuit board is not locked, so that the disassembly is convenient, the circuit board is easily taken out, and the buckle is not easily broken. When the pressing portion utilizes two screw posts on the existing casing for fixing the end cover to the casing, there is no additional complexity of the casing, the structure is simple, and the cost is not increased. The fixing device can be two buckles which are outwardly flared and extended in the shape of an outer figure, and the structure is simple and practical. The buckle can be provided with a latching portion that cooperates with the notch of the circuit board to make the locking effect more reliable.

The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the invention.

Claims

Claim

1.

A method for fixing a circuit board of a mobile hard disk box, the mobile hard disk box comprising an end cover, a circuit board and a box body, wherein: the circuit board (2) is inserted into the end cover by means of zero insertion force ( 3) elastic fixing device, and the end cap (3) is in the housing (1)

In the state 吋, the case (1)

The fixing means is pressed to elastically deform the fixing means to automatically lock the circuit board (2).

2. A casing for a mobile hard disk case for use with a circuit board (2) and an end cover (3)

Assembly constitutes a mobile hard disk box, the case (1) has an inner cavity (11)

The utility model is characterized in that: the inner cavity (11) is fixed with a pressing portion for inserting the inner cover (11) into the inner cavity (11), so that the fixing device of the end cover (3) locks the circuit board.

3. According to claim 2

The casing of the mobile hard disk case is characterized in that: the pressing portion is a screw post (12) for engaging with a screw (4) to fix the end cover (3).

The casing of the mobile hard disk box according to claim 3, wherein: the screw post (12) has two, and the two screw posts (12) are respectively located in the inner cavity (11) On both sides.

5. According to claim 4

The casing of the mobile hard disk box is characterized in that: the distance between the two screw posts (12) is smaller than the fixing device is not installed in the inner cavity (11) of the end cover (3)

The width of the crucible, and the spacing of the two studs (12) is equal to the width of the fixture mounted in the inner chamber (11) of the end cap (3).

6. An end cover for a mobile hard disk case for use with a case (1) and a circuit board (2)

The assembled mobile hard disk box is characterized in that it comprises a body (32) and an elastic fixing device fixed on the body (32) and cooperated with the pressing portion of the box body (1) to automatically lock the circuit board (2) .

7. According to claim 6

The end cover of the mobile hard disk box is characterized in that: the fixing device is two separate and elastic buckles (31), and the two buckles (31) face the body from the body (32) ( 1) one side of the slanting extension and relatively open outward, the width of the fixture is at the end cap (3) The unloaded case (1) is larger than the pitch of the two pressing portions of the case (1), and the width is filled into the case at the end cover (3) (υ吋 is equal to the case (the two squeezes of the case) The spacing of the sections.

The end cover of the mobile hard disk box according to claim 7, wherein: the circuit board (2) is inserted between the two buckles (31) and the end cover (3) is not loaded into the casing (1), the circuit Board (2)

The width is not greater than the spacing of the two snaps (31).

The end cover of the mobile hard disk case according to claim 8, wherein: each of the buckles (31) has an engaging portion (311) for engaging a notch (21) of the circuit board (2). ).

The end cover of the mobile hard disk case according to claim 9, wherein: the two buckles (31) extend from the body (32) in an outer figure.

A mobile hard disk case comprising a case body (1), a circuit board (2) and an end cover (3), the case body (1) having an inner cavity (11), characterized in that: the end cover ( 3) comprising a body (32) and an elastic fixing device disposed on the body (32), the box body (1)

a pressing portion matched with the fixing device is provided, the pressing portion is fixed to the inner cavity (11), and the end cap (3) is loaded into the inner cavity of the casing (11)

吋, the pressing portion of the pressing portion is deformed to lock the circuit board (2).

12. According to claim 11

The mobile hard disk box is characterized in that: the pressing portion is a screw column (12) for engaging with a screw (4), and the screw column (12) has two screws and is respectively fixed in the inner cavity On both sides of (11), the fixing device is two separate and elastic buckles (31), the two buckles (31) are in a free state, extend obliquely and open relatively outward, two screw posts (12) Matching the two snaps (31), the end cap (3) is inserted into the inner cavity (11) of the case, and the two screw posts (12) are pressed inwardly by the two snaps (31) to make two The buckle (31) is deformed to clamp the circuit board (2).

The mobile hard disk case according to claim 12, wherein: the body ( ₃₂ ) of the end cover (3) passes through two screws (4) and two screw posts of the case (1) ( 12) Solid connection.

The mobile hard disk case according to claim 13, characterized in that: the two buckles (31) are in a free state, and the outer body (32) is laterally bent in an outer figure shape toward the casing (1).

The mobile hard disk box according to claim 14, wherein: the buckle (31) has a latching portion (311), and the circuit board (2) has a notch (21) corresponding to the end cap ( 3) After being inserted into the inner cavity (11) of the casing, the buckle (31) is snapped into the corresponding notch (21).

16.

The mobile hard disk case according to claim 12, characterized in that: the distance between the two buckles (31) in a free state is not less than the width of the circuit board (2).