CN204790236U - Be used in installed part among liquid crystal disply device - Google Patents
Be used in installed part among liquid crystal disply device Download PDFInfo
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- CN204790236U CN204790236U CN201520516791.3U CN201520516791U CN204790236U CN 204790236 U CN204790236 U CN 204790236U CN 201520516791 U CN201520516791 U CN 201520516791U CN 204790236 U CN204790236 U CN 204790236U
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Abstract
The utility model provides a be used in installed part among liquid crystal disply device, including the metal chassis with establish the frame of moulding on metal chassis edge, the metal chassis is used for installing backlight unit and the liquid crystal display panel, moulds the corresponding connecting portion that are equipped with cooperation installation backlight unit and the liquid crystal display panel on the frame, the metal chassis with mould frame integrated into one piece, edge structure in metal chassis has the convex part that upwards extends, it is in to mould frame encirclement formation on the convex part, the frame part of moulding that forms on this convex part extending direction exceeds in this convex part, and the frame part of moulding that forms in these convex part both sides all has certain thickness. The utility model discloses an installed part, the metal chassis with mould that the frame is integrative to be formed, the sound construction, be difficult for droing, reduce the cost of labor, and mould the mutual structure of frame and metal chassis, be favorable to the reduction moulded the frame burr when injection moulding formation.
Description
Technical field
The utility model belongs to the installation fitting field of LCD backlight display device, particularly a kind of fabricated section back light unit and display panels connection got up.
Background technology
Such as, comprise liquid crystal indicator and backlight module in the liquid crystal indicator of panel computer etc., backlight module comprises metal chassis, moulds frame, light source, heat radiator, light guide plate, blooming piece etc., metal chassis and mould frame and be used to fixing backlight module miscellaneous part and liquid crystal indicator in coming, without to come off and loosening phenomenon after requiring metal chassis and moulding frame assembling.Existing metal chassis is all generally that split is formed with moulding frame, need to send professional assembling company to assemble, metal chassis generally completes by metal chassis being arranged grab auxiliary section with the connection of moulding frame, because the product thickness of assembling is about 2.2mm, and grab auxiliary section is between 0.3 ~ 0.6mm, add the thickness of assembled product, also the thickness of backlight module is just added, in addition, the operation difficulty when snap-fit is tight, and snap-fit pine time metal chassis and mould frame assembling after easily come off or loosen, there is certain defect in the product thus formed.
Utility model content
Object to be solved in the utility model is to provide a kind of fabricated section be used in liquid crystal indicator, metal chassis and mould frame and be integrally formed, sound construction, difficult drop-off, reduce cost of labor, and mould frame and the mutual structure of metal chassis, mould the formation of frame burr when being conducive to being reduced in injection mo(u)lding.
For solving the problem, the utility model proposes a kind of fabricated section be used in liquid crystal indicator, comprise metal chassis, with being located at metal chassis edge moulds frame, metal chassis is used for installing back light unit and display panels, moulds frame and is provided with the corresponding connecting portion coordinating and install back light unit and display panels; Described metal chassis and to mould frame one-body molded; Described metal chassis edge configuration has the protuberance upwards extended, described in mould frame and surround and be formed on described protuberance, is formed in and this protuberance bearing of trend moulds frame part above this protuberance, and the frame part of moulding being formed in these protuberance both sides all has certain thickness.
According to an embodiment of the present utility model, described in the frame part of moulding be formed on this protuberance bearing of trend have certain distance above the height of this protuberance, described in be formed in these protuberance both sides the thickness respectively moulding frame part have certain distance.
According to an embodiment of the present utility model, three edges of described metal chassis are extended with described protuberance, described in mould frame and be arranged on these three edges of metal chassis.
According to an embodiment of the present utility model, described in mould frame and be provided with some for coordinating the stepped connecting portion installing back light unit and display panels.
According to an embodiment of the present utility model, described stepped connecting portion is arranged on to be moulded on two relative frames of frame, and stepped connecting portion number on each frame is identical, position is relative.
According to an embodiment of the present utility model, described metal chassis does not establish the edge moulding frame to be provided with fixed part for fixing back light unit and display panels.
According to an embodiment of the present utility model, described metal chassis does not establish the edge of moulding frame to be provided with abutment ring for fixed light source.
According to an embodiment of the present utility model, metal chassis is also provided with multiple pilot hole for being connected to by metal chassis on injection mold.
After adopting technique scheme, the utility model has following beneficial effect compared to existing technology:
Moulding frame integration is formed on metal chassis, firm difficult drop-off, eliminate metal chassis and mould frame assembly process, shorten the production cycle, decrease operator number, and reduce production cost, after using the backlight module of liquid crystal indicator, the thickness of backlight module is thinner, and longer service life, improve product competitiveness, and, be the protuberance surrounding metal chassis by moulding frame structure, thus mould the full-size that frame size is this fabricated section, being configured with like this is beneficial in the injection moulding process be integrally formed, certain distance is had between metal chassis and die cavity die, metal chassis can not be damaged by pressure, the probability moulding frame formation burr is also lower, thus processing is simple, processed finished products rate is high.
Accompanying drawing explanation
Fig. 1 is a cross section structure schematic diagram of the fabricated section of the utility model embodiment;
Fig. 2 is another cross section structure schematic diagram of the fabricated section of the utility model embodiment;
Fig. 3 is a partial structurtes schematic diagram of the fabricated section of the utility model embodiment;
Fig. 4 is another partial structurtes schematic diagram of the fabricated section of the utility model embodiment;
Fig. 5 is the another partial structurtes schematic diagram of the fabricated section of the utility model embodiment;
Fig. 6 is the perspective view of the fabricated section of the utility model embodiment.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
Metal chassis of the present utility model and the one fabricated section moulding frame are for installing backlight module in liquid crystal indicator, metal chassis by sheet metal through Production of Stamping Die, be formed in moulding frame and can be formed by injection moulding on metal chassis, when loading injection mold, metal chassis and injection mold are engaged in metal chassis edge and are formed and mould frame, metal chassis contour tolerance is ± 0.1mm, one-body molded fabricated section contour tolerance requirement ± 0.1mm, embodiment of the present utility model will be described below in detail.
Referring to Fig. 1 to Fig. 4, the fabricated section be used in liquid crystal indicator of the present embodiment, comprise metal chassis 1, with being located at metal chassis 1 edge moulds frame 2, metal chassis 1 is used for installing back light unit and display panels (not shown), moulds frame 2 and is provided with the corresponding connecting portion coordinating and install back light unit and display panels; Metal chassis 1 and to mould frame 2 one-body molded; Metal chassis 1 edge configuration has the protuberance 11 upwards extended, and moulds frame 2 and surrounds and be formed on described protuberance 11, be formed in and this protuberance 11 bearing of trend moulds frame part above this protuberance 11, and the frame part of moulding being formed in these protuberance 11 both sides all has certain thickness.
Fig. 1,3 and 4 shows the structure of the connection terminal part moulding frame 2 and metal chassis 1, at this connection terminal part place, protuberance 11 and metal chassis 11 bottom part of metal chassis 1 are isolated, mould frame 2 and be enclosed in the surrounding of protuberance 11 around a circle, the connection of moulding frame 2 and metal chassis 11 like this will be more firm, should be appreciated that in order to plastotype and the actual convenience used, mould frame 1 and protuberance 11 is all square viewed from xsect.
Fig. 2 shows the structure at the non-end connecting portion place of moulding frame 2 and metal chassis 1, the bottom of protuberance 11 and metal chassis 1 does not separate, namely the bottom of this part protuberance 11 is bottom margin places of metal chassis 1, what be in these non-end connecting portions moulds frame 2 in concave shape, be enclosed on three faces of protuberance 11, and mould frame 2 there is certain thickness.
In a preferred embodiment, the part on protuberance 11 bearing of trend that is formed in of moulding frame 2 is 0.3 ~ 0.5mm above the scope of the height of this protuberance 11, and the thickness range that each several part being formed in these protuberance 11 both sides moulding frame 2 has is 0.3 ~ 0.5mm.
Referring to Fig. 6, three of metal chassis 1 edge extended configurations are formed protuberance 11, and each frame 22,23 and 24 moulding frame is separately positioned on these three edges of metal chassis 1.Referring to Fig. 5, mould frame 2 and be provided with some for coordinating the stepped connecting portion 21 installing back light unit and display panels.Preferably, stepped connecting portion is arranged on to be moulded on relative two frames 22 and 23 of frame 2, and two frames 22 are identical with stepped connecting portion 21 number on 23, position is relative.
Metal chassis 1 does not establish the edge moulding frame to be provided with fixed part 12 for fixing back light unit and display panels, in Fig. 6, this fixed part 12 is strip fixed part, do not establish the edge of moulding frame to be also provided with abutment ring 13 for fixed light source at metal chassis 1, abutment ring 13 can be located at the back side of corresponding fixed part 12 on metal chassis 1.
Continue referring to Fig. 6, metal chassis 1 is also provided with multiple pilot hole 14 for being connected to by metal chassis 1 on injection mold, the number of pilot hole 14 and position are with corresponding consistent with position for the pilot hole number on the fixture (dynamic model) on fixing metal chassis 1 on injection mold, the dynamic model that metal chassis 1 can be fixed to mould by register pin through this pilot hole 14 carries out injection moulding, with injection moulding formed fabricated section be maximum physical dimension, then metal chassis 1 arrives distance certain in addition between the border of the maximum physical dimension of product, during loading injection mold, metal chassis 1 bottom surface coordinates with injection mold, the protuberance 11 of metal chassis 1 has certain distance to mold cavity (die), this metric space is used for formation and moulds frame 2, metal chassis 1 can not weigh wounded and also not easily burr occur, the product percent of pass of processing brings up to more than 98%.
Adopt fabricated section of the present utility model can save backlight module metal chassis and mould frame assembly process, solve backlight module metal chassis and mould the problem coming off and loosen after frame is linked and packed by web member, fraction defective is dropped to 0, be thinned the thickness of the backlight module of formation, and processing mode is simple, yield rate is high, improves product competitiveness.
Although the utility model with preferred embodiment openly as above; but it is not for limiting claim; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection domain of the present utility model should define with the utility model claim is as the criterion.
Claims (8)
1. one kind is used in the fabricated section in liquid crystal indicator, comprise metal chassis, with being located at metal chassis edge moulds frame, metal chassis is used for installing back light unit and display panels, moulds frame and is provided with the corresponding connecting portion coordinating and install back light unit and display panels; It is characterized in that, described metal chassis and to mould frame one-body molded; Described metal chassis edge configuration has the protuberance upwards extended, described in mould frame and surround and be formed on described protuberance, is formed in and this protuberance bearing of trend moulds frame part above this protuberance, and the frame part of moulding being formed in these protuberance both sides all has certain thickness.
2. be used in the fabricated section in liquid crystal indicator as claimed in claim 1, it is characterized in that, the described frame part of moulding be formed on this protuberance bearing of trend has certain distance above the height of this protuberance, described in be formed in these protuberance both sides the thickness respectively moulding frame part have certain distance.
3. be used in the fabricated section in liquid crystal indicator as claimed in claim 1, it is characterized in that, three edges of described metal chassis are extended with described protuberance, described in mould frame and be arranged on these three edges of metal chassis.
4. be used in the fabricated section in liquid crystal indicator as claimed in claim 3, it is characterized in that, described in mould frame and be provided with some for coordinating the stepped connecting portion installing back light unit and display panels.
5. be used in the fabricated section in liquid crystal indicator as claimed in claim 4, it is characterized in that, described stepped connecting portion is arranged on to be moulded on two relative frames of frame, and stepped connecting portion number on each frame is identical, position is relative.
6. be used in the fabricated section in liquid crystal indicator as claimed in claim 3, it is characterized in that, described metal chassis does not establish the edge moulding frame to be provided with fixed part for fixing back light unit and display panels.
7. be used in the fabricated section in liquid crystal indicator as claimed in claim 6, it is characterized in that, described in described metal chassis correspondence, do not establish the edge of moulding frame to be provided with abutment ring for fixed light source.
8. being used in the fabricated section in liquid crystal indicator as claimed in claim 1, it is characterized in that, metal chassis being also provided with multiple pilot hole for being connected to by metal chassis on injection mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516791.3U CN204790236U (en) | 2015-07-16 | 2015-07-16 | Be used in installed part among liquid crystal disply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516791.3U CN204790236U (en) | 2015-07-16 | 2015-07-16 | Be used in installed part among liquid crystal disply device |
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| Publication Number | Publication Date |
|---|---|
| CN204790236U true CN204790236U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520516791.3U Active CN204790236U (en) | 2015-07-16 | 2015-07-16 | Be used in installed part among liquid crystal disply device |
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| CN (1) | CN204790236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954911A (en) * | 2016-07-14 | 2016-09-21 | 三进光电（苏州）有限公司 | Installing element used in liquid crystal display device |
-
2015
- 2015-07-16 CN CN201520516791.3U patent/CN204790236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954911A (en) * | 2016-07-14 | 2016-09-21 | 三进光电（苏州）有限公司 | Installing element used in liquid crystal display device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |