CN210270437U - PCB fastener for fixing double-layer liquid crystal glass - Google Patents
PCB fastener for fixing double-layer liquid crystal glass Download PDFInfo
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- CN210270437U CN210270437U CN201921317673.4U CN201921317673U CN210270437U CN 210270437 U CN210270437 U CN 210270437U CN 201921317673 U CN201921317673 U CN 201921317673U CN 210270437 U CN210270437 U CN 210270437U
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Abstract
The utility model belongs to the technical field of liquid crystal television products, and discloses a PCB buckle for fixing double-layer liquid crystal glass, which comprises a first-level buckle; the second-stage buckle is connected to the first end of the first-stage buckle and is configured to be clamped at the second end of the first-stage buckle after being overturned; the third-stage buckle is connected to a first end of the end face, far away from the first-stage buckle, of the second-stage buckle and is configured to be clamped at a second end of the second-stage buckle after being turned over; when the second-level buckle is clamped on the first-level buckle, a gap for fixing the first-level PCB is formed between the second-level buckle and the first-level buckle; when tertiary buckle joint was buckled at the second grade, formed the space of fixed second floor PCB between the two. Arranging a three-level buckle and forming a gap for fixing the two PCBs to complete the clamping work of the two layers of sourse-PCBs; the fixture is clamped in a mechanical mode, adhesive is not needed, and the fixture cost is reduced; compare and need four boards of current ten ordinary buckles connection, adopt this buckle only to need six, the work efficiency who has improved and the buckle quantity of having saved.
Description
Technical Field
The utility model relates to a LCD TV product technology field especially relates to a PCB buckle for fixing double liquid crystal glazing.
Background
With the change of the consumer electronics industry, people have higher and higher requirements on television display, high color gamut, high resolution and the like, and high-quality screens such as 4K and 8 KOLEDs also appear, in order to improve partitions and increase display effects, some scientific and technological companies also manufacture double-layer glass which is attached together and controls partitions, so that the television display partitions reach the million level, for example, a DAUL-CELL (double-layer glass) is analyzed from the perspective of a glass structure, each piece of liquid crystal glass corresponds to one layer of PCB on the basis of the existing structure, so that the DAUL-CELL has a double-layer glass structure and a double-layer source-PCB structure, the source-PCB and the glass are connected by a COF (chip on film) containing a plurality of circuits, and the COF structure is very fragile and easy to damage, so that the glass is damaged. It is necessary to reasonably separate the two layers of PCBs and secure a certain distance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a PCB buckle for fixing double liquid crystal glazing to solve the problem of the unable fixed double liquid crystal glazing's two-layer PCB.
To achieve the purpose, the utility model adopts the following technical proposal:
a PCB buckle for fixing double-layer liquid crystal glass comprises:
a first-stage buckle;
the secondary buckle is connected to the first end of the primary buckle and is configured to be clamped at the second end of the primary buckle after being overturned;
the third-stage buckle is connected to a first end, far away from the end face of the first-stage buckle, of the second-stage buckle and is configured to be clamped at a second end of the second-stage buckle after being turned over;
when the secondary buckle is clamped on the primary buckle, a gap for fixing the first layer of PCB is formed between the secondary buckle and the primary buckle; and a gap for fixing the second layer of PCB is formed between the third-level buckle and the second-level buckle when the third-level buckle is clamped on the second-level buckle.
As a preferable mode of the above PCB clip for fixing a double-layer liquid crystal glass, the primary clip includes a first main body, a first cantilever rib, and a first clip portion, the first cantilever rib is disposed at a first end of a first surface of the first main body, and the first clip portion is disposed at a second end of the first surface of the first main body, wherein the first cantilever rib has a resilience property.
As an optimal mode of the PCB fastener for fixing the double-layer liquid crystal glass, the secondary fastener includes a second main body, a second cantilever rib, a second fastening portion and a protruding tooth, the first end of the second main body is connected to the first cantilever rib, the protruding tooth extends outward from the second end of the second main body, the second cantilever rib is disposed at the first end or the second end of the second main body, the second fastening portion is disposed at the second main body opposite to the other end of the second cantilever rib, and the second cantilever rib has resilience performance.
As a preferable mode of the above PCB clip for fixing a double-layer liquid crystal glass, the first clip part is provided with a first guide surface and a first concave groove with respect to an end surface of the first cantilever rib, the first concave groove is provided on a side of the first guide surface close to the first main body, and the first guide surface extends obliquely from one end close to the first concave groove to the other end in a direction away from the first cantilever rib.
As a preferable mode of the above PCB clip for fixing a double-layer liquid crystal glass, the second clip portion is provided with a second guide surface and a second recessed groove with respect to an end surface of the second cantilever rib, the second recessed groove is provided on a side of the second guide surface close to the second main body, and the second guide surface extends obliquely from an end close to the second recessed groove in a direction away from the second cantilever rib.
As a preferable mode of the above PCB clip for fixing a double-layer liquid crystal glass, the protruding tooth and the second body are an integral coplanar structure.
As a preferable mode of the above PCB clip for fixing the double-layer liquid crystal glass, a first end of the third-level clip is connected to the second cantilever rib, and a second end of the third-level clip can be clipped in the second groove.
As a preferable mode of the above PCB clip for fixing the double-layer liquid crystal glass, the end surface of the third-level card opposite to the second-level clip is provided with a pressing convex rib.
As an optimal mode of the above PCB fastener for fixing the double-layer liquid crystal glass, when the second-level fastener is fastened to the first-level fastener and the third-level fastener is fastened to the second-level fastener, the first body, the second body and the third-level fastener are parallel to each other.
The utility model has the advantages that: arranging a three-level buckle and forming a gap for fixing the two PCBs to complete the clamping work of the two layers of source-PCBs; the clamping is carried out in a mechanical mode, no glue is needed, the glue cost is reduced, and the jig cost is greatly reduced; compared with the prior art that ten common buckles are needed to connect four plates, only six buckles are needed, the working efficiency is improved by 40% on a production line, and the number of the buckles is saved by 40%.
Drawings
Fig. 1 is a schematic structural diagram of an unbuckled state of a PCB clip for fixing a double-layer liquid crystal glass according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fastening state of a PCB buckle for fixing a double-layer liquid crystal glass according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a first layer source-PCB clamped by a PCB buckle for fixing double-layer liquid crystal glass according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a PCB buckle clamped to the second layer source-PCB for fixing the double-layer liquid crystal glass according to an embodiment of the present invention.
In the figure:
1-first-level buckle; 2-secondary buckling; 3-three-level buckling; 11-a first body; 12-a first cantilever bar; 13-a first snap-fit portion; 21-a second body; 22-a second cantilever bar; 23-a second snap-fit portion; 24-lobes; 100-first layer source-PCB; 200-second layer source-PCB; 31-a rib; 131-a first guide surface; 132 — a first groove; 231-a second guide surface; 232-second groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Like fig. 1 ~ 4, the utility model provides a PCB buckle for fixing double-deck liquid crystal glazing, including one-level buckle 1, second grade buckle 2 and tertiary buckle 3, wherein: the secondary buckle 2 is connected to the first end of the primary buckle 1 and is configured to be clamped at the second end of the primary buckle 1 after being overturned; the third-level buckle 3 is connected at a first end of the end face, far away from the first-level buckle 2, of the second-level buckle 2 and is configured to be clamped at a second end of the second-level buckle 2 in a turnover mode.
Meanwhile, when the secondary buckle 2 is clamped on the primary buckle 1, a gap for fixing the first layer of PCB is formed between the two buckles; when tertiary buckle 3 joint was on second grade buckle 2, formed the space of fixed second floor PCB between the two.
During the use, fix first layer source-PCB100 between one-level buckle 1 and second grade buckle 2, fix second layer source-PCB200 between second grade buckle 2 and tertiary buckle 3 again to guarantee that the structure of double-deck source-PCB board is reasonable, fixed reliably, and, reduced the quantity of the PCB board buckle with quantity, reduced the cost, improved production efficiency.
The first-level buckle 1 comprises a first main body 11, a first cantilever rib 12 and a first buckling part 13, wherein the first cantilever rib 12 is vertically arranged at a first end of a first surface of the first main body 11, the first buckling part 13 is vertically arranged at a second end of the first surface of the first main body 11, and the first cantilever rib 12 has resilience performance. In this embodiment, a first cantilever rib 12 is disposed at a left end of the upper surface of the first body 11, a first locking portion 13 is disposed at a right end of the upper surface of the first body 11, and the first cantilever rib 12 and the first locking portion 13 are disposed oppositely.
In the present embodiment, in order to ensure stable connection of the first cantilever rib 12 and the first hooking portion 13 to the first body 11 and improve durability of the one-stage buckle 1 in use, the widths of the first cantilever rib 12 and the first hooking portion 13 are configured to be the width of the first body 11.
In order to ensure stable connection of the second cantilever rib 22 and the second catch portion 23 to the second body 21 and improve durability of the secondary catch 2 in use, the widths of the second cantilever rib 22 and the second catch portion 23 are configured to be the same as the width of the second body 21.
One end of the third-stage buckle 3 is connected with the second cantilever rib 22, and can be turned over to the second buckling part 23 along with the bending of the second cantilever rib 22 and is connected to the second buckling part 23.
Referring to fig. 1 and 2, after the second body 21 is pressed down, the first cantilever rib 12 is bent, and finally the convex tooth 24 is connected to the first locking portion 13; after the third-stage buckle 3 is pressed down, the second cantilever rib 22 is bent, so that the third-stage buckle 3 is connected in the second buckling part 23.
The first hooking portion 13 has a first guide surface 131 and a first recessed groove 132 with respect to the end surface of the first cantilever rib 12, the first recessed groove 132 is provided on the first guide surface 131 on the side closer to the first body 11, and the first guide surface 131 extends obliquely from one end closer to the first recessed groove 132 to the other end in the direction away from the first cantilever rib 12. In the present embodiment, the first guide surface 131 is provided at the upper end of the first hooking portion 13, the first recessed groove 132 is provided at the lower end of the first hooking portion 13, and the first guide surface 131 is inclined from the lower end to the upper end in a direction away from the first cantilever rib 12. When the convex tooth 24 contacts the first locking portion 13, the edge of the convex tooth 24 abuts against the first guide surface 131, and is guided by the first guide surface 131 to be finally locked in the first concave groove 132.
The second hooking portion 23 is provided with a second guide surface 231 and a second recessed groove 232 on the end surface of the second cantilever rib 22, the second recessed groove 232 is provided on the side of the second guide surface 231 close to the second body 21, and the second guide surface 231 extends obliquely in the direction away from the second cantilever rib 22 from one end close to the second recessed groove 232 to the other end. In the present embodiment, the second guide surface 231 is provided at the upper end of the second hooking portion 23, the second recessed groove 232 is provided at the lower end of the second hooking portion 23, and the second guide surface 231 is inclined from the lower end to the upper end in a direction away from the second cantilever rib 22. After the third-stage latch 3 contacts the second latching portion 23, the edge of the third-stage latch 3 abuts against the second guide surface 231, and is guided by the second guide surface 231 and finally latched in the second concave groove 232.
It should be noted that, 2 joints of second grade buckle are in 1 joints of one-level buckle while three-level buckle 3 joints are in 2 joints of second grade buckle, and first main part 11, second main part 21 and three-level buckle 3 are the mutual plane, better realize equidistant fixed PCB.
It should be noted that, for the convenience of manufacturing the present buckle device, the teeth 24 and the second body 21 are in an integral coplanar structure.
In addition, because tertiary buckle 3 finally pushes down two-layer PCB, in order to increase the frictional force between tertiary buckle 3 and the PCB of its contact, maintain buckle 3's joint effect, the lower surface (the terminal surface relative second grade buckle portion 2) of tertiary buckle 3 is equipped with compresses tightly protruding rib 31.
The utility model discloses a theory of operation does: under the initial state, the first-level buckle 1, the second-level buckle 2 and the third-level buckle 3 are not connected (combined with figure 1), the first-layer source-PCB100 is firstly placed on the surface of the first main body 11 of the first-level buckle 1, then the second-level buckle 2 is turned over, the convex teeth 24 of the second-level buckle 2 are clamped in the first groove 132 of the first clamping part 13 of the first-level buckle 1 (shown in figure 3), the second-layer source-PCB200 is then placed on the surface of the second main body 21 of the second-level buckle 2, then the third-level buckle 3 is turned over, the third-level buckle 3 is clamped in the second groove 232 of the second clamping part 23 of the second-level buckle 2, and therefore the two-layer PCB (shown in figure 4) is fixed. When dismantling, need separately tertiary buckle 3 earlier and second grade buckle 2's connection, take out upper PCB back, the second grade buckle 2 of subdividing and one-level buckle 1. The device can ensure that the double-layer source-PCB is reasonably and reliably fixed, reduces the number of the buckles of the PCB with the same number, reduces the cost, simplifies the assembly process, improves the producibility and ensures that the project production process is more concise and reliable.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a PCB buckle for fixing double glazing, its characterized in that includes:
a primary buckle (1);
the secondary buckle (2) is connected to the first end of the primary buckle (1) and is configured to be clamped at the second end of the primary buckle (1) after being turned over;
the third-stage buckle (3) is connected to a first end, away from the end face of the first-stage buckle (1), of the second-stage buckle (2) and is configured to be clamped to a second end of the second-stage buckle (2) after being turned over;
when the secondary buckle (2) is clamped on the primary buckle (1), a gap for fixing the first layer of PCB is formed between the secondary buckle and the primary buckle; when the third-level buckle (3) is clamped on the second-level buckle (2), a gap for fixing the second-layer PCB is formed between the third-level buckle and the second-level buckle.
2. The PCB clasp for fixing double-layer liquid crystal glass according to claim 1, wherein the primary clasp (1) comprises a first body (11), a first cantilever rib (12) and a first clasp portion (13), the first cantilever rib (12) is arranged at a first end of the first surface of the first body (11), the first clasp portion (13) is arranged at a second end of the first surface of the first body (11), wherein the first cantilever rib (12) has a resilient property.
3. The PCB buckle for fixing double-layer liquid crystal glass according to claim 2, wherein the secondary buckle (2) comprises a second main body (21), a second cantilever rib (22), a second buckle part (23) and a convex tooth (24), the first end of the second main body (21) is connected with the first cantilever rib (12), the convex tooth (24) extends outwards from the second end of the second main body (21), the second cantilever rib (22) is arranged at the first end or the second end of the second main body (21), the second buckle part (23) is arranged at the other end of the second main body (21) opposite to the second cantilever rib (22), and the second cantilever rib (22) has resilience performance.
4. The PCB clasp for fixing double-layer liquid crystal glass according to claim 3, wherein the first clasp part (13) is provided with a first guide surface (131) and a first groove (132) relative to the end surface of the first cantilever rib (12), the first groove (132) is provided on the side of the first guide surface (131) close to the first body (11), and the first guide surface (131) extends obliquely from one end close to the first groove (132) to the other end in a direction away from the first cantilever rib (12).
5. The PCB clasp for fixing double-layer liquid crystal glass according to claim 3, wherein the second clasp part (23) is provided with a second guide surface (231) and a second groove (232) relative to the end surface of the second cantilever rib (22), the second groove (232) is provided on the side of the second guide surface (231) close to the second main body (21), and the second guide surface (231) extends obliquely from one end close to the second groove (232) to the other end in a direction away from the second cantilever rib (22).
6. The PCB clasp for fixing two layers of liquid crystal glass according to claim 5, wherein the teeth (24) are in a coplanar structure with the second body (21).
7. The PCB buckle for fixing double-layer liquid crystal glass according to claim 6, wherein a first end of the third-level buckle (3) is connected with the second cantilever rib (22), and a second end of the third-level buckle (3) is buckled with the second groove (232).
8. The PCB buckle for fixing double-layer liquid crystal glass according to claim 7, wherein the end surface of the third-level buckle (3) opposite to the second-level buckle (2) is provided with a pressing rib (31).
9. The PCB buckle for fixing double-layer liquid crystal glass according to claim 3, wherein when the secondary buckle (2) is buckled on the primary buckle (1) and the tertiary buckle (3) is buckled on the secondary buckle (2), the first main body (11), the second main body (21) and the tertiary buckle (3) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921317673.4U CN210270437U (en) | 2019-08-14 | 2019-08-14 | PCB fastener for fixing double-layer liquid crystal glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921317673.4U CN210270437U (en) | 2019-08-14 | 2019-08-14 | PCB fastener for fixing double-layer liquid crystal glass |
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| Publication Number | Publication Date |
|---|---|
| CN210270437U true CN210270437U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921317673.4U Active CN210270437U (en) | 2019-08-14 | 2019-08-14 | PCB fastener for fixing double-layer liquid crystal glass |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162423A (en) * | 2020-09-14 | 2021-01-01 | 惠科股份有限公司 | Double-layer display module and display device |
| CN113485050A (en) * | 2021-06-29 | 2021-10-08 | 惠科股份有限公司 | Display panel and display device |
-
2019
- 2019-08-14 CN CN201921317673.4U patent/CN210270437U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162423A (en) * | 2020-09-14 | 2021-01-01 | 惠科股份有限公司 | Double-layer display module and display device |
| CN112162423B (en) * | 2020-09-14 | 2022-02-18 | 惠科股份有限公司 | Double-layer display module and display device |
| US11596068B2 (en) | 2020-09-14 | 2023-02-28 | HKC Corporation Limited | Dual-layer display assembly and display device |
| CN113485050A (en) * | 2021-06-29 | 2021-10-08 | 惠科股份有限公司 | Display panel and display device |
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