CN101848619A

CN101848619A - Fixed assembly and electronic device thereof

Info

Publication number: CN101848619A
Application number: CN 201010192505
Authority: CN
Inventors: 杨贤艳
Original assignee: AU Optronics Xiamen Corp; AU Optronics Corp
Current assignee: AU Optronics Xiamen Corp; AU Optronics Corp
Priority date: 2010-05-24
Filing date: 2010-05-24
Publication date: 2010-09-29
Anticipated expiration: 2030-05-24
Also published as: CN101848619B

Abstract

The invention relates to a fixed assembly which comprises a backboard and a flexible circuit board. The backboard comprises an assembly surface and a plurality of clamping hooks which are arranged on the backboard and have different opening directions, the flexible circuit board comprises a plurality of slots which are respectively arranged corresponding to the clamping hooks, the opening directions of the slots are respectively opposite to the opening directions of the corresponding clamping hooks, and the flexible circuit board is arranged in the clamping hooks along the slots so that the flexible circuit board is clamped in the clamping hooks and fixed on the assembly surface. Compared with a traditional mode of attaching the flexible circuit board to the backboard with an adhesive tape, the invention has the advantages of adhesive tape and auxiliary positioning tool saving, decreased production cost and improved production capability and efficiency of a production line.

Description

Fixed assembly and electronic installation thereof

Technical field

The present invention relates to a kind of fixed assembly, particularly about a kind of electronic installation that adopts grab to grip the fixed assembly of flexible PCB and use it.

Background technology

Along with the fast development of information industry, electronic installation such as television set, video camera, display etc. are used in the daily life in a large number.And the flexible PCB miscellaneous of supporting appearance provides the signal of telecommunication for it with it, has become a part indispensable in the various electronic installations.

Please be simultaneously with reference to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the schematic diagram of the flexible PCB of electronic installation, and Fig. 2 is the schematic diagram of the backboard of electronic installation, and Fig. 3 is the schematic diagram that known flexible PCB is assembled in backboard.The upper end of flexible PCB 10 is connected to an electronic device (for example liquid crystal display substrate).At present; it is that flexible PCB is sticked in backboard that the flexible PCB 10 of electronic installation is assembled in backboard 20; on flexible PCB, tape earlier; to stick on backboard after the arm of angle of flexible PCB and two alignment marks, 22,24 contrapositions on the backboard again; this assembling flow path needs the assist location fixture; but because this assembling is to be finished by hand by operating personnel; often have and paste inclined to one side phenomenon; flexible PCB is in case paste wrong; the heavy industry trouble; and the adhesive tape viscosity on the flexible PCB lowers behind the heavy industry, causes the quality problems of successor.

Summary of the invention

In view of this, the invention provides a kind of fixed assembly, comprise backboard and flexible PCB, this backboard comprises assembling face and several grabs, those grabs are arranged on this assembling face, and the opening direction of those grabs is different, and this flexible PCB comprises several draw-in grooves, corresponding with those grabs respectively setting of those draw-in grooves, the opening direction of those draw-in grooves opening direction with corresponding those grabs respectively is opposite; Wherein, this flexible PCB is arranged in those grabs along those draw-in grooves, makes this flexible PCB be held in those grabs and be fixed in this assembling face.

As optional technical scheme, this backboard is a metal material.

As optional technical scheme, those grabs are formed by this backboard punching press.

As optional technical scheme, the junction of those grabs and this assembling face is a curved surface, and the edge of this junction is a chamfering structure.

As optional technical scheme, those grabs comprise first grab and second grab, and the opening direction of this first grab is perpendicular to the opening direction of this second grab.

As optional technical scheme, those draw-in grooves are the U font.

As optional technical scheme, those draw-in grooves comprise first draw-in groove and second draw-in groove, and this first draw-in groove and this second draw-in groove lay respectively at the different sides of this flexible PCB, and the opening direction of this first draw-in groove is perpendicular to the opening direction of this second draw-in groove.

As optional technical scheme, the height between those grabs and this assembling face equals the thickness of this flexible PCB.

As optional technical scheme, this fixed assembly further comprises adhesive tape, and this adhesive tape sticks on the edge and assembling face of this flexible PCB.

According to another embodiment, the invention provides a kind of electronic installation, it comprises backboard and flexible PCB, this backboard comprises assembling face and several grabs, those grabs are arranged on this assembling face, and the opening direction of those grabs is different, and this flexible PCB comprises several draw-in grooves, corresponding with those grabs respectively setting of those draw-in grooves, the opening direction of those draw-in grooves opening direction with corresponding those grabs respectively is opposite; Wherein, this flexible PCB is arranged in those grabs along those draw-in grooves, makes this flexible PCB be held in those grabs and be fixed in this assembling face.

Fixed assembly of the present invention the convenient informant person of producing operate, and simplifies production procedure, saves time and also can improve the productivity and the efficient of producing line significantly.With respect to traditional mode that flexible PCB is sticked in backboard, the present invention also can save adhesive tape and assist location fixture, reduces production costs.

Can be further understood by following description of drawings and embodiment detailed description in the advantages and spirit of the present invention.

Description of drawings

Fig. 1 is the schematic diagram of the flexible PCB of electronic installation.

Fig. 2 is the schematic diagram of the backboard of electronic installation.

Fig. 3 is the schematic diagram that known flexible PCB is assembled in backboard.

Fig. 4 is the schematic diagram of the flexible PCB of fixed assembly of the present invention.

Fig. 5 is the schematic diagram of the backboard of fixed assembly of the present invention.

Fig. 6 is the schematic diagram of grab among Fig. 5.

Fig. 7 is the schematic diagram after the fixed assembly assembling of the present invention.

Embodiment

Please be simultaneously with reference to Fig. 4, Fig. 5, Fig. 6 and Fig. 7.Fig. 4 is the schematic diagram of the flexible PCB of fixed assembly of the present invention, and Fig. 5 is the schematic diagram of the backboard of fixed assembly of the present invention, and Fig. 6 is the schematic diagram of grab among Fig. 5, and Fig. 7 is the schematic diagram after the fixed assembly assembling of the present invention.Fixed assembly 200 of the present invention comprises backboard 30 and flexible PCB 40, and backboard 30 comprises that assembling face 32 and several grabs are as first grab 34 and second grab 36.First grab 34 and second grab 36 are arranged on the assembling face 32, the opening direction of first grab 34 and second grab 36 is inequality, flexible PCB 40 comprises that several draw-in grooves are as first draw-in groove 42 and second draw-in groove 44, first draw-in groove 42 and second draw-in groove 44 respectively with first grab 34 and the 36 corresponding settings of second grab, the opening direction of first draw-in groove 42 and second draw-in groove 44 opening direction with its corresponding first grab 34 and second grab 36 respectively is opposite.

During assembling flexible PCB 40 is arranged in first grab 34 and second grab 36 along first draw-in groove 42 and second draw-in groove 44, makes flexible PCB 40 be held in first grab 34 and second grab 36 and the assembling face of being fixed in 32.This embodiment is an example with two grabs and two draw-in grooves only, optionally decides in actual applications, not as limit.In the present embodiment, those draw-in grooves are the U font.

Please be simultaneously with reference to Fig. 4, Fig. 5, the backboard 30 of fixed assembly 200 of the present invention is a metal material.Those first grabs 34 and second grab 36 are formed by backboard 30 punching press processing procedures.As shown in Figure 5, first grab 34 and second grab 36 are curved surface with the junction 38 of assembling face 32, and the edge of junction 38 is a chamfering structure, to prevent the wearing and tearing of flexible PCB.The opening direction of first grab 34 is perpendicular to the opening direction of second grab 36 in this embodiment.In this embodiment, first draw-in groove 42 and second draw-in groove 44 lay respectively at the different sides of flexible PCB 40, and the opening direction of first draw-in groove 42 is perpendicular to the opening direction of second draw-in groove 44.In this embodiment, preferable, the height that first grab 34 and second grab 36 and assembling face are 32 equals the thickness of flexible PCB 40.

Fixed assembly 200 of the present invention also can further comprise the adhesive tape (not shown), and adhesive tape sticks on the edge and assembling face of flexible PCB, and the fixing flexible circuit board 40 better, prevent its edge warping.

Please be simultaneously with reference to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, according to another embodiment, the invention provides a kind of electronic installation, it comprises backboard 30 and flexible PCB 40, and backboard 30 comprises assembling face 32 and several grabs, and those grabs are arranged on this assembling face 32, the opening direction of those grabs is different, flexible PCB 40 comprises several draw-in grooves, corresponding with those grabs respectively setting of those draw-in grooves, and the opening direction of those draw-in grooves is opposite respectively at the opening direction of its corresponding those grabs.Flexible PCB 40 is arranged in those grabs along those draw-in grooves, makes flexible PCB 40 be held in those grabs and be fixed on the assembling face 32 of backboard 30.

According to the detailed description of above embodiment, hope can be known description feature of the present invention and spirit more, and is not to come the present invention is limited with above-mentioned disclosed embodiment.

Claims

1. a fixed assembly is characterized in that, comprises:

Backboard comprises assembling face and several grabs, and those grabs are arranged on this assembling face, and the opening direction of those grabs is different;

Flexible PCB comprises several draw-in grooves, corresponding with those grabs respectively setting of those draw-in grooves, and the opening direction of those draw-in grooves opening direction with corresponding those grabs respectively is opposite;

Wherein, this flexible PCB is arranged in those grabs along those draw-in grooves, makes this flexible PCB be held in those grabs and be fixed on this assembling face.

2. fixed assembly according to claim 1 is characterized in that: this backboard is a metal material.

3. fixed assembly according to claim 2 is characterized in that: those grabs are formed by this backboard punching press.

4. fixed assembly according to claim 1 is characterized in that: the junction of those grabs and this assembling face is a curved surface, and the edge of this junction is a chamfering structure.

5. fixed assembly according to claim 1 is characterized in that: those grabs comprise first grab and second grab, and the opening direction of this first grab is perpendicular to the opening direction of this second grab.

6. fixed assembly according to claim 1 is characterized in that: those draw-in grooves are the U font.

7. fixed assembly according to claim 1, it is characterized in that: those draw-in grooves comprise first draw-in groove and second draw-in groove, this first draw-in groove and this second draw-in groove lay respectively at the different sides of this flexible PCB, and the opening direction of this first draw-in groove is perpendicular to the opening direction of this second draw-in groove.

8. fixed assembly according to claim 1 is characterized in that: the height between those grabs and this assembling face equals the thickness of this flexible PCB.

9. fixed assembly according to claim 1 is characterized in that: this fixed assembly further comprises adhesive tape, and this adhesive tape sticks on the edge and assembling face of this flexible PCB.

10. an electronic installation is characterized in that, comprises: as any described fixed assembly of claim in the claim 1 to 9.