CN209265137U - A kind of large scale narrow frame side entrance back module - Google Patents
A kind of large scale narrow frame side entrance back module Download PDFInfo
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- CN209265137U CN209265137U CN201821832497.3U CN201821832497U CN209265137U CN 209265137 U CN209265137 U CN 209265137U CN 201821832497 U CN201821832497 U CN 201821832497U CN 209265137 U CN209265137 U CN 209265137U
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- lower casing
- center
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- narrow frame
- frame side
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Abstract
The utility model discloses a kind of large scale narrow frame side entrance back module, including lower casing (1), lamp bar (2), diaphragm unit (3) and center (4), the lamp bar (2) is arranged on the medial surface of lower casing (1)；It is provided with supporting table (11) on lower casing (1) inner bottom surface close to lamp bar (2) position, diaphragm unit (3) setting supports in lower casing (1), and through supporting table (11)；Positioning column (12) are additionally provided on lower casing (1) inner bottom surface, it is provided on the diaphragm unit (3) and center (4) and passes through the location hole (5) of diaphragm unit (3) with positioning column (12) matched location hole (5), the positioning column (12) and extend in the location hole (5) of center (4)；The center (4) is mounted on lower casing (1) and is pressed in diaphragm unit (3) surrounding.The utility model is used for large-sized liquid crystal display.
Description
Technical field
The utility model relates to back light model setting technology fields, and in particular to a kind of large scale narrow frame side entrance back mould
Group.
Background technique
Liquid crystal display is the display of existing market mainstream, but liquid crystal display is unable to self-luminous, needs size and liquid crystal
Shield consistent backlight module as backlight.Point light source or linear light source that lamp bar issues mainly are converted to face light by backlight module
Source, the conversion need diaphragm unit to realize, diaphragm unit is generally fixed in lower frame, often through bonding, positioning column positioning etc.
Mode realizes fixation, not secured enough using the fixation of which diaphragm unit, especially for large scale narrow frame side entrance back
Mould group, diaphragm unit size is larger, heavier-weight, and fixing diaphragm unit through the above way cannot be reliable and stable.
Utility model content
The technical issues of the utility model solves is to provide a kind of soluble big ruler for the deficiency in background technique
Very little narrow frame side entrance back module.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of large scale narrow frame side entrance back
Mould group, including lower casing, lamp bar, diaphragm unit and center, the lamp bar are arranged on the medial surface of lower casing；The lower casing inner bottom surface
Upper that lamp bar position is provided with supporting table, the diaphragm unit is arranged in lower casing, and is supported by supporting table；Under described
It is additionally provided with positioning column on shell inner bottom surface, is provided on the diaphragm unit and center and the matched location hole of positioning column, institute
Positioning column is stated across the location hole of diaphragm unit and extends to the positioning hole of center；The center is mounted on lower casing and is pressed in
Diaphragm unit surrounding.
Further, the supporting table is the integral structure that lower casing back side ecto-entad is stamped and formed out.
Further, the diaphragm unit includes guide-lighting film, setting and the matched branch of supporting table on the leaded light film
Strut mouth.
Further, the positioning column is arranged on lower casing inner bottom surface far from lamp bar side.
Further, the diaphragm unit further includes several diaphragms, and location hole is arranged on the diaphragm, wherein being located at film
The interfix hole in piece middle position is circular hole, and the side location hole positioned at diaphragm both sides position is long hole.
Further, being fixedly connected between the lower casing and center on one side, excess-three side are flexibly connected.
Further, the first screw hole flushed with table on the outside of lower casing is arranged in the lower casing on one side, the side on the lower casing
The second screw hole protruded from lower casing outer surface is arranged in opposite side or its excess-three side；It is respectively set on the center and the first screw hole
The fixation hole matched and with the matched fixing groove of the second screw hole, wherein the protrusion part of the second screw hole is arranged in fixing groove, and from
It is stretched out in fixing groove.
Further, side cushion is provided on the center medial surface.
Further, four sides are respectively provided with lower cushion, adjacent lower cushion interlocking on center.
Further, it is additionally provided with positioning convex platform in the center, positioning when attaching for lower cushion.
Beneficial effect of the utility model mainly has the following: supporting table being arranged on lower casing, to support diaphragm group
Part, which than in the prior art frequently be arranged on guide-lighting film protrusion mode compare, support force is stronger, more applicable
The biggish diaphragm unit of weight in large scale backlight module；Setting extends to the positioning column of glue frame on lower casing, when installation,
Diaphragm unit is threaded through on positioning column, and diaphragm unit side is limited by lower casing, and the other side is limited by center, is fixed more
It is good, and positioning column is extended in center and makes positioning column that there is stronger hanging capacity, it is more applicable for large scale backlight
The biggish diaphragm of weight in mould group；In addition, being also avoided that guide-lighting film directly contacts the lamp scratched in lamp bar with lamp bar, lead simultaneously
Ray film and lamp bar keep spacing appropriate to ensure that the light efficiency of backlight module.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of large scale narrow frame side entrance back module in the utility model embodiment one；
Fig. 2 is the structural representation of the lower casing of large scale narrow frame side entrance back module in the utility model embodiment one
Figure；
Fig. 3 is the enlarged structure schematic diagram in the portion A in Fig. 2；
Fig. 4 is the enlarged structure schematic diagram in the portion B in Fig. 2；
Fig. 5 is the enlarged structure schematic diagram in the portion E in Fig. 2；
Fig. 6 is the enlarged structure schematic diagram in the portion F in Fig. 2；
After Fig. 7 is large scale narrow frame side entrance back module lower casing in the utility model embodiment one and center installation
Structural schematic diagram；
Fig. 8 is the enlarged structure schematic diagram in the portion G in Fig. 7；
Fig. 9 is the enlarged structure schematic diagram in the portion H in Fig. 7；
Figure 10 is the structural representation of the diaphragm of large scale narrow frame side entrance back module in the utility model embodiment one
Figure；
Figure 11 is the structure of the guide-lighting film of large scale narrow frame side entrance back module in the utility model embodiment one
Schematic diagram；
Figure 12 is the enlarged structure schematic diagram in the portion C in Fig. 6；
Figure 13 is the positive structure of center of large scale narrow frame side entrance back module in the utility model embodiment one
Schematic diagram；
Figure 14 is the enlarged structure schematic diagram in the portion D in Fig. 8；
Figure 15 is the lower cushion junction of large scale narrow frame side entrance back module in the utility model embodiment one
Structural schematic diagram.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, below in conjunction with attached drawing and embodiment to the utility model carry out into
One step detailed description.
Embodiment one
Refering to fig. 1 ~ 15, a kind of large scale narrow frame side entrance back module, is mainly used as the particular surroundings such as car-mounted display
The lower large size liquid crystal display used.Including lower casing 1, lamp bar 2, diaphragm unit 3 and center 4, the lamp bar 2 is arranged in lower casing
On 1 medial surface, lamp bar is preferably generally arranged in since mould group is larger by heat-conducting double-sided glue sticking by the long side of mould group, with
Guarantee the enough brightness of mould group, and lamp bar can power using multiplex circuit, and use multiple extension ends FPC and external electrical
Road connection, to meet electrical requirements when lamp bar power supply.
Refering to fig. 1,2,3 and 11,2 position of lamp bar is provided with supporting table 11, the support on 1 inner bottom surface of lower casing
Platform 11 is mainly used for supporting the biggish guide-lighting film 32 of the weight in diaphragm unit, makes branch again after can first preparing lower casing 1
Platform 11 is supportted, such as supporting table 321 is riveted on lower casing 1；Disposable integrally formed mode can also be used, such as in punching press
Punching press makes supporting table 11 together when making lower casing 1, and 1 back side ecto-entad punching press of lower casing can form supporting table 11.Supporting table
11 are arranged two generally near the both ends of lower casing long side.The structure of aluminium, iron material or other materials can be used in lower casing 1, uses
Aluminium is more advantageous to the heat dissipation of lamp bar 2 and mitigates the weight of mould group.
Refering to fig. 1, diaphragm unit 3 includes the reflector plate 33 being attached on 1 inner bottom surface of lower casing, is arranged on reflector plate 33
Guide-lighting film 32, is arranged in the diaphragm 31 on guide-lighting film 32, and diaphragm 31 includes scattering sheet 311 and multiple brightening pieces 312, this reality
Three brightening pieces 312 of setting in example are applied, to increase the brightness of backlight module.
Refering to fig. 1, the diaphragm unit 3 is arranged in lower casing 1, and is supported by supporting table 11, mainly support weight
Heavier guide-lighting film 32 is measured, when backlight module is stood up, guide-lighting film 32 is supported in supporting table 11, is guaranteed with lamp bar 2
A certain distance can avoid lamp bar 2 by crushing, also can guarantee the visual effect of backlight module.Preferably in the guide-lighting glue
Setting and the matched support of supporting table 11 opening 321 on piece 32, so that guide-lighting film 32 can match when installing with support opening 321
It closes and is limited, guide-lighting film 32 is avoided to move in supporting table 11, so that the guide-lighting installation of film 32 is more stable.Guide-lighting glue
Piece 32 and lower casing 1 are centrally mounted in lower casing 1, guide-lighting film 32 preferably by 321 positioning of supporting table 11 and support opening
Two sides are respectively provided with symmetrical cushion space in the horizontal direction in lower casing 1, thus under the particular surroundings such as high temperature, guide-lighting film
There is symmetrical buffering leeway at both ends when 32 generation thermal expansion deformation, can symmetrically thermally expand or cooling meat, not only guarantee
Guide-lighting film disposes between two parties, moreover it is possible to ensure that backlight module remains preferable optical effect.
Refering to fig. 1, it is additionally provided with rubber mat 13 on 1 inner bottom surface of lower casing, on the outside of guide-lighting film 32, thus guide-lighting film 32
Downside is supported in supporting table 11, and upside is limited in lower casing 1 by 13 clamping of rubber mat, that is, can guarantee what guide-lighting film 32 was installed
It is solid and reliable, it is also possible that guide-lighting film 32 has certain shrink space in allowed limits.It can be when mould group be stood up
Two L-type rubber mats are arranged in the two corners of top, and two straight rubber mats are arranged on the upside of guide-lighting film 32, so that preferably clamping is led
Ray film 32.To which entire diaphragm unit can be stably fixed between lower casing 1 and center 4.
Refering to fig. 1, the center 4 is mounted on lower casing 1 and is pressed in 3 surrounding of diaphragm unit, solid by center 4 and lower casing 1
It is fixed, diaphragm unit 3 can be pressed in lower casing 1, realize the fixation of diaphragm unit 3.Between center 4 and lower casing 1 preferably by
The mode for being spirally connected and being clamped combines, i.e., by screw and the installation that is clasped, so that the size relatively thin for center is larger, frame
When relatively narrow backlight module, center 4 connect stronger with lower casing 1, and the center 4 for being in outside is also not susceptible to loosen.
Refering to Fig. 2 ~ 9, it is fixedly connected between the lower casing 1 and center 4 preferably with one side, excess-three side is in a certain range
The mode of interior flexible connection is installed, and in this way, in the environment of high temperature, jolting, such as backlight module is finally formed
In use, center 4 is on lower casing 1 still certain buffering leeway, it is swollen to be not easily susceptible to high warm as Vehicular display device for display
Influence that is swollen, jolting improves the performance that backlight module uses in particular circumstances.
For example, the first screw hole 14 flushed with table on the outside of lower casing, its excess-three side of the lower casing 1 is arranged in the lower casing 1 on one side
It is respectively provided with the second screw hole 15 protruded from lower casing outer surface；It is respectively set on the center 4 matched solid with the first screw hole 14
Determine hole 44 and with the matched fixing groove 45 of the second screw hole 15, wherein the protrusion part of the second screw hole 15 is arranged in fixing groove 45,
The projecting portion height of second screw hole 15 is greater than the thickness of center 4, so the second screw hole 15 can be stretched out out of fixing groove 45.Group
When dress, then it is by screw that the first screw hole 14 and fixation hole 44 and the second screw hole 15 and fixing groove 45 is fixed, due to the first screw hole
14 flush setting with lower casing outer surface, and the first screw hole 14 can be fixed by screw with fixation hole 44, i.e., the lower casing 1 of the side with
Center 4 is fixedly connected.When second screw hole 15 is fixed with fixing groove 45, it is arranged since the second screw hole protrudes, and the second screw hole 15
Projecting portion height is greater than the thickness of center 4, therefore screw can only be locked cannot compress center 4 in one end of the second screw hole 15,
Center 4 still can be movable on the second screw hole 25 by fixing groove 45, cannot be fixed it is dead, i.e., realization lower casing 1 and center 4 remaining
Flexible connection between three sides.
Mould group long side in the present embodiment attached drawing is longer, and short side is shorter, a mould group generally narrow and long structure,
So short side direction can be not provided with fixing groove 45 and the second screw hole 25, only it is connected by a snap, it can realize and be flexibly connected.
The longer needs of longitudinal direction length are connected by screw to avoid the scope of activities between center 4 and lower casing 1 too big；Longitudinal direction
One side centre setting two group of first screw hole 14 and fixation hole 44, two sides one group of fixing groove 45 is respectively set in the second screw hole
25, in addition setting is clasped, i.e., fixes center 4 and the middle section on 1 side of lower casing, and both sides are flexibly connected, and avoids entire
Side causes under particular surroundings deformation too greatly without buffering leeway using being fixedly connected；It can directly be taken in another long side solid
Determine the structure and buckle structure cooperation of slot 45 and the second screw hole 25.It also may be implemented between lower casing 1 and center 4 using the above method
Be fixedly connected on one side, the effect that excess-three side is flexibly connected, and be more advantageous to long narrow shape backlight module jolt, high temperature etc. is disliked
It is used in bad environment.
Refering to fig. 1,2,4,5 and 13, be additionally provided with positioning column 12 on 1 inner bottom surface of lower casing, the diaphragm unit 3 and in
It is provided on frame 4 and passes through the location hole 5 of diaphragm unit 3 with the matched location hole 5 of positioning column 12, the positioning column 12 and extend
To the location hole 5 of center 4.It can be respectively provided with location hole 5 in guide-lighting film 32 and each diaphragm 31, it can also be only in each film
Location hole 5 is set on piece 31, and the present embodiment uses the latter.When installation, diaphragm unit 3 is threaded through on positioning column 12, and is positioned
Column 5 extends in center 4, so that 3 side of diaphragm unit is limited by lower casing 1, the other side is limited by center 4, fixes more
It is good；And positioning column is extended to and makes that heavier diaphragm can be hung on positioning column 12 in center 4, it is more applicable for large scale
Backlight module.
Refering to Fig. 5, the positioning column 12 is arranged on 1 inner bottom surface of lower casing far from 2 side of lamp bar, and location hole 5 is correspondingly arranged,
When backlight module is stood up, positioning column 12 is in the upper surface of mould group, can preferably hang each diaphragm 31.The quantity of positioning column 12
It is set as needed, is at least arranged two, 3 are arranged in the present embodiment.It is corresponding, three positioning are also provided on the diaphragm 31
Hole 5, wherein the interfix hole 51 for being located at 31 middle position of diaphragm is circular hole, the side location hole positioned at 31 both sides position of diaphragm
52 be long hole, can be using similar endless track, the hole of oval pore structure, so that interfix hole 51, which is played, is centered about work
With, the side location hole 52 on both sides be set as long hole can ease of assembly when small scale error can still continue to assemble, can also be with
Guarantee that diaphragm in longitudinal direction there are enough contraction or expansion spaces, when reasons deformation such as heated can still unfold smooth without wrinkling
Pleat guarantees the light efficiency that backlight module particular surroundings uses.Likewise, the location hole 5 on center 4 can also take above-mentioned circular hole
The mode combined with long hole.
Refering to fig. 13 ~ 15, side cushion 41 is provided on 4 medial surface of center, liquid crystal display can be installed on center 4
Two adjacent sides of step are arranged, and can also be respectively provided in four sides of the step of dress liquid crystal display, the present embodiment uses
The former；Regardless of which kind of mode used, every side is preferably provided multiple side cushions 41.Side cushion 41 can use silicagel pad.It can
Cushion 41 is fixed to open up groove on the inside of center 4, it is easier to which cushion 41 is fixed.Setting side cushion 41 can be kept away
Exempt from after backlight module is assembled into liquid crystal display, compressing liquid crystal display causes liquid crystal display to damage when center 4 is deformed by external force.
Refering to fig. 13 ~ 15, lower cushion 42 is provided on the center 4, facilitates placement liquid crystal display.Four on general center 4
While being respectively provided with lower cushion 42, adjacent lower cushion 42 is preferably rabbeted, and is rabbeted for example, by using the mode in Figure 10, and interlocking can be with
So that adjacent 42 junction of lower cushion is more smooth, it is more advantageous when to placement liquid crystal display.Lower cushion 42 can also use
Foam rubber.
Refering to fig. 13 ~ 15, in order to avoid each side of large scale backlight module is longer, attach lower cushion 42 when be easy patch
Askew problem is additionally provided with positioning convex platform 43 in the center 4, can attach on center 4 close on the face of lower cushion 42
The position of side block is arranged a small step and is used as positioning convex platform 43, and when attaching lower cushion 42 is positioned by the step, can be with
Effectively lower cushion 42 is avoided to paste askew.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of large scale narrow frame side entrance back module, it is characterised in that: including lower casing (1), lamp bar (2), diaphragm unit
(3) it is arranged on the medial surface of lower casing (1) with center (4), the lamp bar (2)；Close to lamp bar on lower casing (1) inner bottom surface
(2) position is provided with supporting table (11), and diaphragm unit (3) setting is propped up in lower casing (1), and through supporting table (11)
Support；Be additionally provided with positioning column (12) on lower casing (1) inner bottom surface, be provided on the diaphragm unit (3) and center (4) with
Positioning column (12) matched location hole (5), the positioning column (12) pass through the location hole (5) of diaphragm unit (3) and extend to
In the location hole (5) of frame (4)；The center (4) is mounted on lower casing (1) and is pressed in diaphragm unit (3) surrounding.
2. large scale narrow frame side entrance back module according to claim 1, it is characterised in that: the supporting table (11)
The integral structure being stamped and formed out for lower casing (1) back side ecto-entad.
3. large scale narrow frame side entrance back module according to claim 1, it is characterised in that: the diaphragm unit
It (3) include guide-lighting film (32), setting and supporting table (11) matched support opening (321) on the leaded light film (32).
4. large scale narrow frame side entrance back module according to claim 1, it is characterised in that: the positioning column (12)
It is arranged on lower casing (1) inner bottom surface far from lamp bar (2) side.
5. large scale narrow frame side entrance back module according to claim 4, it is characterised in that: the diaphragm unit
(3) further include several diaphragms (31), location hole (5) are set on the diaphragm (31), wherein being located at diaphragm (31) middle position
Interfix hole (51) be circular hole, be located at diaphragm (31) both sides position side location hole (52) be long hole.
6. described in any item large scale narrow frame side entrance back modules according to claim 1 ~ 5, it is characterised in that: under described
Being fixedly connected between shell (1) and center (4) on one side, excess-three side are flexibly connected.
7. large scale narrow frame side entrance back module according to claim 6, it is characterised in that: the lower casing (1) one
Side is arranged the first screw hole (14) for flushing with table on the outside of lower casing, on the lower casing (1) this while opposite side or when its excess-three be arranged from
The second screw hole (15) of lower casing outer surface protrusion；It is respectively set on the center (4) and the first screw hole (14) matched fixation
Hole (44) and with the second screw hole (15) matched fixing groove (45), wherein the protrusion part of the second screw hole (15) is arranged in fixing groove
(45) it in, and is stretched out out of fixing groove (45).
8. according to claim 1 ~ 5,7 described in any item large scale narrow frame side entrance back modules, it is characterised in that: described
Side cushion (41) are provided on center (4) medial surface.
9. large scale narrow frame side entrance back module according to claim 8, it is characterised in that: on the center (4)
Four sides are respectively provided with lower cushion (42), adjacent lower cushion (42) interlocking.
10. large scale narrow frame side entrance back module according to claim 8, it is characterised in that: in the center (4)
Positioning convex platform (43) are additionally provided with, positioning when attaching for lower cushion (42).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832497.3U CN209265137U (en) | 2018-11-08 | 2018-11-08 | A kind of large scale narrow frame side entrance back module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832497.3U CN209265137U (en) | 2018-11-08 | 2018-11-08 | A kind of large scale narrow frame side entrance back module |
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| CN209265137U true CN209265137U (en) | 2019-08-16 |
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| CN201821832497.3U Active CN209265137U (en) | 2018-11-08 | 2018-11-08 | A kind of large scale narrow frame side entrance back module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407398A (en) * | 2018-11-08 | 2019-03-01 | 惠州伟志电子有限公司 | A kind of large scale narrow frame side entrance back module |
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2018
- 2018-11-08 CN CN201821832497.3U patent/CN209265137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407398A (en) * | 2018-11-08 | 2019-03-01 | 惠州伟志电子有限公司 | A kind of large scale narrow frame side entrance back module |
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