CN214627507U

CN214627507U - Backlight flexible reinforcement type single-sided printed circuit board

Info

Publication number: CN214627507U
Application number: CN202121019739.9U
Authority: CN
Inventors: 陈文明
Original assignee: Jiangsu Xingzhisheng Circuit Technology Co ltd
Current assignee: Jiangsu Xingzhisheng Circuit Technology Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-05
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a flexible reinforcement type single face printed wiring board of backlight, including the FPC main part, the up end of FPC main part is provided with a plurality of LED lamp pearls, the position that the FPC main part is close to four end angles all is provided with the locating hole, the lateral surface of FPC main part is provided with a plurality of card strip one, the below swing joint of card strip one has card strip two, the top face of card strip one and the bottom face of card strip two all are provided with two circular double faced adhesive tapes, the inside of card strip one and card strip two evenly is provided with a plurality of louvres, the bottom face of card strip one and the equal fixed mounting of top face of card strip two have the stopper, the preceding terminal surface fixed mounting of stopper has the silica gel strip. The utility model discloses a be provided with card strip one and card strip two, thereby be convenient for according to the nimble position of adjustment fixed point of the installation demand of FPC main part, through setting up the silica gel strip, avoid the direct wearing and tearing that probably cause with the stopper contact in edge of FPC main part.

Description

Backlight flexible reinforcement type single-sided printed circuit board

Technical Field

The utility model relates to a circuit board technical field specifically is a flexible reinforcement type single face printed wiring board of backlight.

Background

As is well known, with the progress of the times and the rapid development of the electronic information technology industry, people have higher and higher requirements on electronic products such as mobile phones, learning machines and the like, and the industry competition is more and more intense. In order to improve the competitiveness of products and meet the requirements of users, the overall appearance of electronic products tends to be developed towards the directions of being lighter, smaller and thinner, and the space occupied by the corresponding liquid crystal module in the whole product is gradually reduced and compacted. The backlight source and the whole module are mainly connected in a manner of bending the flexible circuit board, and are bent on the back of the module in order to save space.

However, after being bent, the conventional backlight flexible circuit board cannot be effectively fixed and reinforced, and the use effect is poor; therefore, the existing requirements are not met, and a backlight flexible reinforcement type single-sided printed circuit board is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible reinforcement type single face printed wiring board of backlight to current backlight flexible line way board that proposes in solving above-mentioned background art can not obtain effectual fixed enhancement after being bent, and the result of use is than poor scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a backlight source flexible reinforcement type single-sided printed circuit board comprises an FPC main body, wherein a plurality of LED lamp beads are arranged on the upper end face of the FPC main body, positioning holes are formed in positions, close to four end corners, of the FPC main body, a plurality of first clamping strips are arranged on the outer side face of the FPC main body, a second clamping strip is movably connected below the first clamping strips, two circular double-sided adhesive tapes are arranged on the top end face of the first clamping strip and the bottom end face of the second clamping strip, a plurality of radiating holes are uniformly formed in the first clamping strip and the second clamping strip, limiting blocks are fixedly arranged on the bottom end face of the first clamping strip and the top end face of the second clamping strip, silica gel strips are fixedly arranged on the front end face of each limiting block, a fixing rod is fixedly arranged on the bottom end face of each limiting block fixedly connected with the first clamping strip, an annular limiting strip is arranged on the outer surface, close to the bottom end, and a fixing sleeve is fixedly arranged on the top end face of the other limiting block, and an annular limiting strip is arranged inside the fixed sleeve.

Preferably, the first clamping strip and the second clamping strip are movably connected through a rotating shaft.

Preferably, the outer surface of the bottom end of the fixed rod is attached to the inner wall of the fixed sleeve, and the outer surface of the annular limiting strip is clamped inside the annular clamping groove.

Preferably, the outer side face of the FPC main body is clamped between the first clamping strip and the second clamping strip, and the outer edge of the FPC main body is attached to the silica gel strip.

Preferably, the first clamping strip, the fixed rod and the limiting block close to one side of the first clamping strip are of an integrally formed structure, and the second clamping strip, the fixed sleeve and the limiting block close to one side of the second clamping strip are of an integrally formed structure.

Preferably, the distance between the bottom end surface of the clamping strip and the top end surfaces of the clamping strips is equal to the thickness of the FPC main body.

Compared with the prior art, the beneficial effects of the utility model are that: this flexible reinforcement type single face printed wiring board of backlight through being provided with card strip one and card strip two, is convenient for according to the position of the nimble adjustment fixed point of the installation demand of FPC main part, through setting up the silica gel strip, thereby avoids the direct wearing and tearing that probably cause with the stopper contact in edge of FPC main part, through the louvre improves the radiating effect of card strip one and card strip two.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic overall structure of the present invention;

fig. 3 is a schematic front structural view of a first card strip and a second card strip of the present invention;

fig. 4 is a schematic structural view of the rear end face of the first clamping strip of the present invention;

fig. 5 is a schematic side view of the first and second clamping strips of the present invention.

In the figure: 1. an FPC main body; 2. LED lamp beads; 3. positioning holes; 4. a first clamping strip; 5. circular double-sided adhesive tape; 6. a second clamping strip; 7. a silica gel strip; 8. fixing the rod; 9. fixing the sleeve; 10. heat dissipation holes; 11. a rotating shaft; 12. an annular limiting strip; 13. a limiting block; 14. and an annular clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a backlight flexible reinforcement type single-sided printed circuit board comprises an FPC (flexible printed circuit) main body 1, wherein a plurality of LED lamp beads 2 are arranged on the upper end face of the FPC main body 1, positioning holes 3 are formed in positions, close to four end corners, of the FPC main body 1, a plurality of clamping strips I4 are arranged on the outer side face of the FPC main body 1, clamping strips II 6 are movably connected below the clamping strips I4, two circular double-sided adhesive tapes 5 are arranged on the top end faces of the clamping strips I4 and the bottom end faces of the clamping strips II 6, a plurality of radiating holes 10 are uniformly formed in the clamping strips I4 and the clamping strips II 6, limiting blocks 13 are fixedly arranged on the bottom end faces of the clamping strips I4 and the top end faces of the clamping strips II 6, silica gel strips 7 are fixedly arranged on the front end faces of the limiting blocks 13, fixing rods 8 are fixedly arranged on the bottom end faces of the limiting blocks 13 fixedly connected with the clamping strips I4, annular limiting strips 12 are arranged on the outer surfaces, and fixing sleeves 9 are fixedly arranged on the top end faces of the other limiting blocks 13, the interior of the retaining sleeve 9 is provided with an annular stop strip 12.

The utility model discloses in: card strip one 4 and card strip two 6 are through pivot 11 swing joint, are convenient for card strip one 4 and the dismouting of card strip two 6 on the outward flange of FPC main part 1.

The utility model discloses in: the surface of 8 bottoms of dead levers and the inner wall laminating of fixed sleeving 9, the surface card of annular spacing strip 12 is in annular groove 14's inside, pins dead lever 8 and fixed sleeving 9 through annular spacing strip 12 and annular groove 14 to the fixing clip strip is one 4 and card strip two 6.

The utility model discloses in: the lateral surface card of FPC main part 1 is between card strip one 4 and card strip two 6, and the outward flange and the laminating of silica gel strip 7 of FPC main part 1 to avoid stopper 13 and the outward flange of FPC main part 1 to produce the collision wearing and tearing.

The utility model discloses in: the first clamping strip 4, the fixed rod 8 and the limiting block 13 close to one side of the first clamping strip 4 are of an integrally formed structure, and the second clamping strip 6, the fixed sleeve 9 and the limiting block 13 close to one side of the second clamping strip 6 are of an integrally formed structure.

The utility model discloses in: the distance between the bottom end face of the first clamping strip 4 and the top end face of the second clamping strip 6 is equal to the thickness of the FPC main body 1.

The working principle is as follows: during the use, decide the fixed mode of FPC main part 1 according to the in service behavior, can fix FPC main part 1 through locating hole 3, when FPC main part 1 produces and buckles or need fix on anomalous plane, can adjust the position of card strip one 4 and card strip two 6 as required, block strip one 4 and card strip two 6 card in FPC main part 1's outward flange department, the top card of dead lever 8 is in the inside of fixed sleeve 9, make the inside annular spacing strip 12 card of fixed sleeve 9 inside the annular draw-in groove 14 of dead lever 8 surface, thereby pin card strip one 4 and card strip two 6 on dead lever 8 and fixed sleeve 9 top, press from both sides FPC main part 1 between card strip one 4 and card strip two 6, take off the release paper on circular double faced adhesive tape 5 surface, fix card strip one 4 or card strip two 6 in required position through circular double faced adhesive tape 5.

In summary, the following steps: through being provided with card strip one 4 and card strip two 6, be convenient for according to the position of the nimble adjustment fixed point of the installation demand of FPC main part 1, through setting up silica gel strip 7, thereby avoid the direct wearing and tearing that contact with stopper 13 probably caused in edge of FPC main part 1, through louvre 10 improves the radiating effect of card strip one 4 and card strip two 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible reinforcement type single face printed wiring board of backlight, includes FPC main part (1), its characterized in that: the LED lamp is characterized in that a plurality of LED lamp beads (2) are arranged on the upper end face of the FPC main body (1), positioning holes (3) are formed in positions, close to four end corners, of the FPC main body (1), a plurality of clamping strips I (4) are arranged on the outer side face of the FPC main body (1), a clamping strip II (6) is movably connected below the clamping strips I (4), two circular double-faced adhesive tapes (5) are arranged on the top end face of the clamping strip I (4) and the bottom end face of the clamping strip II (6), a plurality of radiating holes (10) are uniformly formed in the clamping strips I (4) and the clamping strip II (6), limiting blocks (13) are fixedly mounted on the bottom end face of the clamping strip I (4) and the top end face of the clamping strip II (6), a silica gel strip (7) is fixedly mounted on the front end face of the limiting blocks (13), and fixing rods (8) are fixedly mounted on the bottom end face of the limiting blocks (13) fixedly connected with the clamping strips I (4), the outer surface of the fixed rod (8) close to the bottom end is provided with an annular limiting strip (12), the other end of the fixed rod (8) is fixedly provided with a fixed sleeve (9), and the inside of the fixed sleeve (9) is provided with the annular limiting strip (12).

2. The backlight source flexible reinforcing type single-sided printed wiring board according to claim 1, characterized in that: the first clamping strip (4) and the second clamping strip (6) are movably connected through a rotating shaft (11).

3. The backlight source flexible reinforcing type single-sided printed wiring board according to claim 1, characterized in that: the outer surface of the bottom end of the fixed rod (8) is attached to the inner wall of the fixed sleeve (9), and the outer surface of the annular limiting strip (12) is clamped inside the annular clamping groove (14).

4. The backlight source flexible reinforcing type single-sided printed wiring board according to claim 1, characterized in that: the outer side face of the FPC main body (1) is clamped between the first clamping strip (4) and the second clamping strip (6), and the outer edge of the FPC main body (1) is attached to the silica gel strip (7).

5. The backlight source flexible reinforcing type single-sided printed wiring board according to claim 1, characterized in that: the clamping strip I (4), the fixing rod (8) and the limiting block (13) close to one side of the clamping strip I (4) are of an integrally formed structure, and the clamping strip II (6), the fixing sleeve (9) and the limiting block (13) close to one side of the clamping strip II (6) are of an integrally formed structure.

6. The backlight source flexible reinforcing type single-sided printed wiring board according to claim 1, characterized in that: the distance between the bottom end face of the first clamping strip (4) and the top end face of the second clamping strip (6) is equal to the thickness of the FPC main body (1).