CN209170732U

CN209170732U - A kind of structure for preventing FPC plate welding position to be broken

Info

Publication number: CN209170732U
Application number: CN201821585346.2U
Authority: CN
Inventors: 汪文; 许腾辉; 陆姗姗; 孙自敏; 冯旭东
Original assignee: Shanghai Wenxiang Automotive Sensors Co Ltd
Current assignee: Shanghai Wenxiang Automotive Sensors Co Ltd
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2019-07-26
Anticipated expiration: 2028-09-27

Abstract

The utility model discloses a kind of structure for preventing FPC plate welding position to be broken, applied in the welding with pcb board, it include golden finger on the FPC plate, it is characterized in that, the structure further comprises: at least two missing solder disks, set on the nearly golden finger position of the pcb board and FPC plate welding.This structure be suitable for institute it is in need welded after fixation FPC plate design on.It only needs in fixed at least one suitable pad of Position Design, pad size, position can be adjusted with the need.It fix the pads such as golden finger can effectively after welding, be effectively prevented FPC causes welding ends to be broken due to pullling.

Description

A kind of structure for preventing FPC plate welding position to be broken

Technical field

The utility model relates to a kind of welding structure, especially a kind of structure for preventing FPC plate welding position to be broken.

Background technique

As electronic product integrated level is higher and higher, and flexible circuit board (Flexible Printed Circuit, it is simple below Claiming FPC plate) utilization rate is also greatly improved.FPC plate is using polyimides or polyester film as a kind of tool made of substrate There are height reliability, excellent flexible printed circuit.The spy high, light-weight with Distribution density, thickness is thin, bending is good Point.

It is typically used for golden finger (connecting finger) on current pad, is especially computer hardware such as memory On item between memory bank, video card and card slot etc., all signals are transmitted by golden finger.Work as needs When being connected by means of golden finger with FPC plate, as shown in Figure 1, the 11 phase weld of golden finger on FPC plate 12 and pcb board 10 is soft or hard Junction easily causes to be broken, the junction of pad (such as golden finger) and cabling especially on soft board 12, once by external force Pull be easy for from welding fracture of root the case where be difficult to thoroughly solve, i.e., shown in 14 be easily broken split plot.

In traditional method, prevent the common method of the easily broken place's fracture of FPC pad from including: in bottom increase reinforcement, welding It connects distal end or bottom surface dispensing is fixed.As shown in Fig. 2, being the reinforcement region at the golden finger back side at mark 20.

But the scheme that above-mentioned tradition generally uses has some limitations in specific area, especially in sensor Field, bottom shown in Fig. 2 increase reinforcement and are not particularly suited for needing two-sided plus tin welding FPC；In addition, gluing is fixed due to having The solidification process of glue, this process need the regular hour to require, and are not suitable for streamlined production.

Utility model content

It should be appreciated that the general description and the following detailed description more than disclosure be all it is exemplary and illustrative, And it is intended that the disclosure as claimed in claim provides further explanation.

In view of the above-mentioned problems, the utility model is intended to provide a kind of quick fixed FPC welding ends, the pads such as golden finger is made to exist It can effectively be fixed after welding, prevent FPC due to pullling the structure for causing welding ends to be broken.

The utility model discloses a kind of structures for preventing FPC plate welding position to be broken, applied to the welding with pcb board On, include golden finger on the FPC plate, which is characterized in that the structure further comprises:

At least two missing solder disks, set on the nearly golden finger position of the pcb board and FPC plate welding.

It is preferable to the utility model further discloses a kind of structure for preventing FPC plate welding position to be broken, special Sign is,

The missing solder disk is set to the two sides of the nearly golden finger on the FPC plate.

The missing solder disk is set to the two sides of the nearly golden finger pad on the pcb board.

The spacing of the missing solder disk transverse edge side and the golden finger is D, wherein D >=0.5 millimeter.

Lateral length L >=1 millimeter of the missing solder disk, the longitudinal length W of the missing solder disk >=

1 millimeter.

The most edge side of the missing solder disk longitudinal direction and the spacing of the FPC edges of boards edge are H, wherein H >=0.5 millimeter.Compare Good, the utility model further discloses a kind of structure for preventing FPC plate welding position to be broken, which is characterized in that

The shape of the missing solder disk includes rectangle, circle and ellipse.

The structure of the utility model be suitable for institute it is in need welded after fixation FPC plate design on.Only need Fixed at least one suitable pad of Position Design, pad size, position can be adjusted with the need.

Detailed description of the invention

Example is described implementation of the disclosure with detailed reference to attached drawing now.Now with detailed reference to the preferred implementation of the disclosure Example, its example is shown in the drawings.In the case of any possible, phase will be indicated using identical label in all the appended drawings Same or similar part.In addition, although term used in the disclosure is selected from public term, this Some terms mentioned in prospectus may be that applicant is judged to carry out selection as his or her, and detailed meanings are at this Illustrate in the relevant portion of the description of text.Furthermore, it is desirable that not only by used actual terms, and be also to by each Meaning that term is contained understands the disclosure.

In the following, referring to attached drawing, for those skilled in the art, from the detailed description to the utility model In, the above and other objects, features and advantages of the utility model will be evident.

Fig. 1 illustrates the structural schematic diagram of FPC plate and golden finger phase weld；

Fig. 2 illustrates the structural schematic diagram that bottom in traditional method increases reinforcement；

Fig. 3 show the structural schematic diagram of first preferred embodiment of the utility model；

Fig. 4 show the structural schematic diagram of second preferred embodiment of the utility model.

Appended drawing reference

10-- pcb boards

11-- golden fingers

12-- FPC plate

131-- the first missing solder disk

132-- the second missing solder disk

14-- easy fracture regions

20-- reinforcement regions

Specific embodiment

Subject description discloses one or more embodiments for combining the utility model feature.The disclosed embodiments only example Show the utility model.The scope of the utility model is not limited to the disclosed embodiments.The utility model is by the attached claims To limit.

" one embodiment " for quoting in specification, " embodiment ", " exemplary embodiment " etc. show described Embodiment may include specific characteristic, structure or characteristic, but all embodiments need not include the specific characteristic, structure or characteristic. In addition, these phrases are not necessarily related to identical embodiment.In addition, describing specific characteristic, mechanism or characteristic contacting an embodiment When, be considered as connection other embodiments (regardless of whether being expressly recited) realize this feature, structure or characteristic this field skill Within the knowledge of art personnel.

Furthermore, it is to be understood that spatial description used herein (on for example, under, top, the left side, the right, lower section, top Portion, bottom, vertical, level etc.) purpose that is merely to illustrate, and the practical implementation of structure as described herein can be It is spatially arranged by any orientation or mode.

Embodiment 1:

As shown in figure 3, the place to be welded of nearly golden finger 11 on FPC plate 12 is arranged in the missing solder disk of the utility model, compare Good, the first, second missing solder disk 131 and 132 is symmetricly set on the two sides at the place to be welded of golden finger 11, two missing solders Disk it goes without doing electrical connection, it is therefore an objective to, can be by the weldering when welding the FPC plate 12 with golden finger 11 and pcb board 10 Disk, which is welded on pcb board 10, plays fixed function, i.e., substitutes mode for dispensing glue with the mode of welding.So that FPC plate 12 will not be from There is the position of electrical connection to turn up.

It is preferable in order to obtain good welding effect, the missing solder disk 131 and 132 that the present embodiment 1 uses is in square Shape, the first, second missing solder disk 131 and 132 of the rectangular shape is in the transverse direction for being parallel to golden finger 11 between golden finger 11 Away from D >=0.5 millimeter, rectangle long side length L >=1 millimeter of missing solder disk 131 and 132, rectangle width edge length W >=1 millimeter.

Due to being provided with the first, second missing solder disk 131 and 132 of above structure on FPC plate 12, when progress FPC plate 12 When welding, welding position fracture can be thus solved by the way that the two missing solders disk 131 and 132 is welded as a whole with pcb board 10 Problem.

Embodiment 2:

As shown in figure 4, being different from embodiment 1, two missing solder disks 131 and 132 are arranged in the pcb board 10 of lower section On, similar structure, the missing solder disk 131 and 132 on pcb board 10 is also proximate to the pad position on pcb board 10 close to golden finger 11 It sets.

It is preferable to the preferred embodiment also uses the missing solder disk of rectangular configuration, in order to obtain relatively better welding Effect, the first, second missing solder disk 131 and 132 on the pcb board 10 is in the spacing H >=0.5 of broadside and FPC edges of boards edge milli Rice.

Using above-mentioned improved structure, following technical effect may be implemented:

First, FPC plate 12 does not need dispensing in the welding process, therefore no longer needs to carry out life in next step after waiting adhesive curing The process flow of production enters the next station after can directly being welded, without interrupting production procedure.Reduce production cost.

Second, it is fixed due to not needing dispensing, material is reduced, and reduces material cost.

The shape of missing solder disk in above-described embodiment is rectangle, can also be using round and ellipse etc., as long as can be In welding process, FPC plate and pcb board are welded after welding the golden finger on FPC plate with pcb board, then through these missing solder disks It is connected in one, so that it may realize the technical effect of the utility model.

In conclusion the structure of the utility model be suitable for institute it is in need welded after fixation FPC plate design on. It only needs in fixed at least one suitable pad of Position Design, pad size, position can be adjusted with the need.

The description to preferred embodiment provided above, so that any technical staff in the art can be used or utilize this Utility model.The various modifications of these embodiments are evident for personnel skilled in the art, it can be described here Total principle be applied to other embodiments without the use of creativeness.Thus, the utility model is not limited to reality depicted herein Example is applied, and should be according to the widest range for meeting teachings disclosed herein and new feature.

Claims

1. a kind of structure for preventing FPC plate welding position to be broken includes gold on the FPC plate applied in the welding with pcb board Finger, which is characterized in that the structure further comprises:

2. the structure according to claim 1 for preventing FPC plate welding position to be broken, which is characterized in that

3. the structure according to claim 1 for preventing FPC plate welding position to be broken, which is characterized in that

4. the structure according to claim 2 for preventing FPC plate welding position to be broken, which is characterized in that

5. the structure according to claim 4 for preventing FPC plate welding position to be broken, which is characterized in that

Lateral length L >=1 millimeter of the missing solder disk, longitudinal length W >=1 millimeter of the missing solder disk.

6. the structure according to claim 3 for preventing FPC plate welding position to be broken, which is characterized in that

The most edge side of the missing solder disk longitudinal direction and the spacing of the FPC edges of boards edge are H, wherein H >=0.5 millimeter.

7. the structure according to any one of claim 1 to 6 for preventing FPC plate welding position to be broken, which is characterized in that

The shape of the missing solder disk includes rectangle, circle and ellipse.