CN214278580U - Detachable backlight structure - Google Patents
Detachable backlight structure Download PDFInfo
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- CN214278580U CN214278580U CN202120410161.3U CN202120410161U CN214278580U CN 214278580 U CN214278580 U CN 214278580U CN 202120410161 U CN202120410161 U CN 202120410161U CN 214278580 U CN214278580 U CN 214278580U
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Abstract
The utility model relates to a detachable backlight structure, when in use, because the second rectangular frame and the second parallel frame of the middle frame are both positioned in the hole of the first rectangular frame of the bottom box, and the second parallel frame and the rectangular bottom plate of the bottom box are detachably connected with the nut through the screw, the bottom plate of the bottom box can be detachably connected with an external installed body or the first parallel frame of the middle frame can be detachably connected with the external installed body, so as to meet different use requirements; the backlight source at the bottommost part can be maintained or replaced in a mode that the glass plate, the optical filter, the liquid crystal module, the diffusion sheet and the diffusion plate are not taken out from the front side, namely the glass plate; only need demolish the screw and then take out end box and can directly maintain or change the lamp strip when needing to change the backlight when changing the lamp strip promptly, practiced thrift the maintenance time to the lamp strip greatly, and reduced the maintenance degree of difficulty, realized detachable change backlight, and with low costs, convenient to use, extensive applicability is general.
Description
Technical Field
The utility model relates to a backlight technical field, more specifically say, relate to a detachable backlight structure.
Background
Most of the backlight sources of the existing display screens are non-detachable, when the backlight sources break down, the frame, the glass plate, the light filter plate, the liquid crystal module, the diffusion sheet and the diffusion plate need to be sequentially detached from the front, and finally the backlight sources can be detached, so that the maintenance difficulty is high, time is wasted, and the liquid crystal module can be damaged or scratched by carelessness; therefore, the structure of the existing backlight source cannot meet the use requirements of people.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a simple structure, it is with low costs, small, convenient to use, extensive applicability general detachable backlight structure.
The utility model provides a technical scheme that its technical problem adopted is:
a detachable backlight source structure is constructed, and comprises a bottom box and a middle frame; the bottom box is detachably connected with the middle frame; the bottom box comprises a rectangular bottom plate and a first rectangular frame, the rectangular bottom plate is larger than the first rectangular frame, and the first rectangular frame is fixedly connected to the rectangular bottom plate;
the middle frame is composed of a first parallel frame, a second parallel frame and a second rectangular frame, and the first parallel frame and the second parallel frame are both rectangular; the second rectangular frame is positioned in the hole of the first parallel frame, and the hole wall of the first parallel frame is fixedly connected with the second rectangular frame; the second parallel frame is positioned in the hole of the second rectangular frame, and the outer side wall of the second parallel frame is fixedly connected with the second rectangular frame;
the second rectangular frame is positioned in the hole of the first rectangular frame, and the bottom surface of the second parallel frame is tightly attached to the rectangular bottom plate; the first parallel frame, the second rectangular frame and the rectangular bottom plate jointly enclose a cavity;
a plurality of studs are fixedly connected to one side face, far away from the first parallel frame, of the second parallel frame, the studs penetrate through the rectangular bottom plate, nuts are connected to the studs in a threaded mode, and the nuts are located on one side, far away from the second parallel frame, of the rectangular bottom plate; the stud is matched with the nut to fix the second parallel frame;
a plurality of light bars are fixedly connected to the rectangular bottom plate and are positioned in the cavity;
and a diffusion plate is further arranged in the cavity, the peripheral edge of the bottom surface of the diffusion plate is tightly attached to the top surface of the second parallel frame, a diffusion sheet, a liquid crystal module, an optical filter and a glass plate are sequentially stacked above the diffusion plate, and certain gaps are reserved between the diffusion sheet, the liquid crystal module, the optical filter and the side wall of the glass plate and the hole wall of the second rectangular frame.
The utility model discloses a detachable backlight structure, wherein, the bottom surface of diffuser plate is equipped with the recess just to the lamp strip, the lamp strip is located in the recess, the bottom surface of diffuser plate hugs closely in the rectangle bottom plate; the periphery of the bottom surface of the diffusion plate is provided with rectangular notches, and the second parallel frame is located at the rectangular notches.
Detachable backlight structure, wherein, the top surface of first parallel frame is pasted and is had the rectangle frame, the edge bottom surface in the hole of rectangle frame hug closely in the edge all around of glass board.
Detachable backlight structure, wherein, the top surface of first parallel frame is folded and is equipped with the rectangle frame, the edge bottom surface in the hole of rectangle frame hug closely in the edge all around of glass board.
The detachable backlight source structure of the utility model further comprises at least two h-shaped clamping grooves which are transversely arranged, wherein each h-shaped clamping groove is composed of a vertical plate, a transverse plate and a short vertical plate, the grooves of the h-shaped clamping grooves are tightly clamped on the same side of the first parallel frame and the rectangular frame, and the vertical plates of the h-shaped clamping grooves are far away from the rectangular bottom plate and are parallel to the rectangular bottom plate; two the h shape draw-in groove is the opposition and sets up and all blocks the first parallel frame with the same side of rectangle frame.
The beneficial effects of the utility model reside in that: when in use, the second rectangular frame and the second parallel frame of the middle frame are both positioned in the holes of the first rectangular frame of the bottom box, and the second parallel frame and the rectangular bottom plate of the bottom box are detachably connected through screws and nuts, so that the bottom plate of the bottom box can be detachably connected with an external mounted body or the first parallel frame of the middle frame can be detachably connected with the external mounted body, and different use requirements can be met; the backlight source at the bottommost part can be maintained or replaced in a mode that the glass plate, the optical filter, the liquid crystal module, the diffusion sheet and the diffusion plate are not taken out from the front side, namely the glass plate; only need demolish the screw when changing the lamp strip promptly when need changing the backlight and then take out end box and can directly maintain or change the lamp strip, practiced thrift the maintenance time to the lamp strip greatly, and reduced the maintenance degree of difficulty, realized detachable change backlight, and simple structure, it is with low costs, small, convenient to use, extensive applicability is general.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic structural diagram of a detachable backlight structure according to a preferred embodiment of the present invention;
FIG. 2 is a diagram illustrating a detachable backlight structure according to a preferred embodiment of the present invention;
fig. 3 is a cross-sectional view of a diffuser plate with a detachable backlight structure according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The detachable backlight structure of the preferred embodiment of the present invention is shown in fig. 1, and refer to fig. 2 and fig. 3; comprises a bottom box 100 and a middle frame 200; the bottom case 100 is detachably connected with the middle frame 200; the bottom box 100 comprises a rectangular bottom plate 101 and a first rectangular frame 102, wherein the rectangular bottom plate 101 is larger than the first rectangular frame 102, and the first rectangular frame 102 is fixedly connected to the rectangular bottom plate 101;
the middle frame 200 is composed of a first parallel frame 201, a second parallel frame 202 and a second rectangular frame 203, wherein the first parallel frame 201 and the second parallel frame 202 are both rectangular; the second rectangular frame 203 is positioned in the hole of the first parallel frame 201, and the hole wall of the first parallel frame 201 is fixedly connected with the second rectangular frame 203; the second parallel frame 202 is positioned in the hole of the second rectangular frame 203, and the outer side wall of the second parallel frame is fixedly connected with the second rectangular frame 203;
the second rectangular frame 203 is positioned in the hole of the first rectangular frame 102, and the bottom surface of the second parallel frame 202 is tightly attached to the rectangular bottom plate 101; a cavity 204 is defined by the first parallel frame 201, the second parallel frame 202, the second rectangular frame 203 and the rectangular bottom plate 101;
a plurality of studs 2021 are fixedly connected to one side of the second parallel frame 202 away from the first parallel frame 201, the studs 2021 penetrate through the rectangular bottom plate 101, nuts 2022 are screwed on the studs 2021, and the nuts 2022 are located on one side of the rectangular bottom plate 101 away from the second parallel frame 202; the stud 2021 is matched with the nut 2022 to fix the second parallel frame 202;
a plurality of light bars 1011 are fixedly connected to the rectangular bottom plate 101, and the light bars 1011 are positioned in the cavity 204;
a diffusion plate 2041 is further arranged in the cavity 204, the peripheral edge of the bottom surface of the diffusion plate 2041 is tightly attached to the top surface of the second parallel frame 202, a diffusion sheet 2042, a liquid crystal module 2043, an optical filter 2044 and a glass plate 2045 are sequentially stacked above the diffusion plate 2041, and certain gaps are reserved between the diffusion sheet 2042, the liquid crystal module 2043, the optical filter 2044 and the side wall of the glass plate 2045 and the hole wall of the second rectangular frame 203;
when in use, the second rectangular frame 203 and the second parallel frame 202 of the middle frame 200 are both positioned in the hole of the first rectangular frame 102 of the bottom case 100, and the second parallel frame 202 and the rectangular bottom plate 101 of the bottom case 100 are detachably connected with the nut 2022 through screws, so that the bottom plate of the bottom case 100 can be detachably connected with an external mounted body or the first parallel frame 201 of the middle frame 200 can be detachably connected with the external mounted body, thereby meeting different use requirements; the maintenance or replacement of the bottommost backlight source can also be realized in a manner that the glass plate 2045, the optical filter 2044, the liquid crystal module 2043, the diffusion sheet 2042 and the diffusion plate 2041 are not taken out from the front side, that is, from the glass plate 2045 in sequence; need only demolish the screw and then take out end box 100 and can directly maintain or change lamp strip 1011 when changing the backlight promptly when needing to be changed, practiced thrift the maintenance duration to lamp strip 1011 greatly, and reduced the maintenance degree of difficulty, realized detachable change backlight, and simple structure, with low costs, small, convenient to use, extensive applicability is general.
As shown in fig. 1, 2 and 3, a groove 20411 facing the light bar 1011 is formed on the bottom surface of the diffusion plate 2041, the light bar 1011 is located in the groove 20411, and the bottom surface of the diffusion plate 2041 is tightly attached to the rectangular bottom plate 101; the peripheral edge of the bottom surface of the diffuser plate 2041 is provided with a rectangular notch 20412, and the second parallel frame 202 is located at the rectangular notch 20412; the diffuser plate 2041 is used for bearing, and the phenomenon that the diffuser plate is damaged easily due to the fact that gaps are formed is avoided.
As shown in fig. 1 and 2, a rectangular frame 300 is adhered to the top surface of the first parallel frame 201, and the bottom surface of the edge of the hole of the rectangular frame 300 is closely attached to the peripheral edge of the glass plate 2045; further use screen pressing glue to paste, when needing to demolish rectangle frame 300, blow the heating with the air heater and can reduce being stained with of glue to reach the purpose of demolising rectangle frame 300.
As shown in fig. 1 and 2, a rectangular frame 300 is stacked on the top surface of the first parallel frame 201, and the bottom surface of the edge of the hole of the rectangular frame 300 is closely attached to the peripheral edge of the glass plate 2045; different use requirements are met, namely the rectangular frame 300 is directly compressed and limited by an external mounted body.
As shown in fig. 1 and fig. 2, the portable electronic device further includes at least two h-shaped slots 400 arranged transversely, each h-shaped slot 400 is composed of a vertical plate 401, a horizontal plate 402 and a short vertical plate 403, the slots of the h-shaped slots 400 are tightly clamped on the same side of the first parallel frame 201 and the rectangular frame 300, and the vertical plates 401 of the h-shaped slots 400 are far away from the rectangular bottom plate 101 and are parallel to the rectangular bottom plate 101; the two h-shaped slots 400 are oppositely arranged and are clamped on the same side of the first parallel frame 201 and the rectangular frame 300; satisfy different user demands, pass through promptly, the riser 401 of h shape draw-in groove 400 is used when being connected with the external quilt body can dismantle to can not use the bottom plate of end box 100 and the external quilt body to carry out detachable connection.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. A detachable backlight source structure comprises a bottom box and a middle frame; the bottom box is detachably connected with the middle frame; the bottom box comprises a rectangular bottom plate and a first rectangular frame, the rectangular bottom plate is larger than the first rectangular frame, and the first rectangular frame is fixedly connected to the rectangular bottom plate;
the middle frame is composed of a first parallel frame, a second parallel frame and a second rectangular frame, and the first parallel frame and the second parallel frame are both rectangular; the second rectangular frame is positioned in the hole of the first parallel frame, and the hole wall of the first parallel frame is fixedly connected with the second rectangular frame; the second parallel frame is positioned in the hole of the second rectangular frame, and the outer side wall of the second parallel frame is fixedly connected with the second rectangular frame;
the second rectangular frame is positioned in the hole of the first rectangular frame, and the bottom surface of the second parallel frame is tightly attached to the rectangular bottom plate; the first parallel frame, the second rectangular frame and the rectangular bottom plate jointly enclose a cavity;
a plurality of studs are fixedly connected to one side face, far away from the first parallel frame, of the second parallel frame, the studs penetrate through the rectangular bottom plate, nuts are connected to the studs in a threaded mode, and the nuts are located on one side, far away from the second parallel frame, of the rectangular bottom plate; the stud is matched with the nut to fix the second parallel frame;
a plurality of light bars are fixedly connected to the rectangular bottom plate and are positioned in the cavity;
and a diffusion plate is further arranged in the cavity, the peripheral edge of the bottom surface of the diffusion plate is tightly attached to the top surface of the second parallel frame, a diffusion sheet, a liquid crystal module, an optical filter and a glass plate are sequentially stacked above the diffusion plate, and certain gaps are reserved between the diffusion sheet, the liquid crystal module, the optical filter and the side wall of the glass plate and the hole wall of the second rectangular frame.
2. The detachable backlight structure of claim 1, wherein a groove facing the light bar is formed in a bottom surface of the diffusion plate, the light bar is located in the groove, and the bottom surface of the diffusion plate is tightly attached to the rectangular bottom plate; the periphery of the bottom surface of the diffusion plate is provided with rectangular notches, and the second parallel frame is located at the rectangular notches.
3. The detachable backlight structure of claim 1, wherein a rectangular frame is adhered to the top surface of the first parallel frame, and the bottom surface of the edge of the hole of the rectangular frame is closely attached to the peripheral edge of the glass plate.
4. The removable backlight structure of claim 3, wherein the rectangular frame is stacked on the top surface of the first parallel frame, and the bottom surface of the edge of the hole of the rectangular frame is closely attached to the peripheral edge of the glass plate.
5. The detachable backlight structure of claim 4, further comprising at least two h-shaped slots formed in the transverse direction, wherein the h-shaped slots are formed by vertical plates, horizontal plates and short vertical plates, the slots of the h-shaped slots are tightly clamped on the same sides of the first parallel frame and the rectangular frame, and the vertical plates of the h-shaped slots are far away from the rectangular bottom plate and are parallel to the rectangular bottom plate; two the h shape draw-in groove is the opposition and sets up and all blocks the first parallel frame with the same side of rectangle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410161.3U CN214278580U (en) | 2021-02-24 | 2021-02-24 | Detachable backlight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410161.3U CN214278580U (en) | 2021-02-24 | 2021-02-24 | Detachable backlight structure |
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| Publication Number | Publication Date |
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| CN214278580U true CN214278580U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120410161.3U Active CN214278580U (en) | 2021-02-24 | 2021-02-24 | Detachable backlight structure |
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| CN (1) | CN214278580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942548A (en) * | 2022-06-02 | 2022-08-26 | 深圳市宏普欣电子科技有限公司 | Mini LED backlight |
-
2021
- 2021-02-24 CN CN202120410161.3U patent/CN214278580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942548A (en) * | 2022-06-02 | 2022-08-26 | 深圳市宏普欣电子科技有限公司 | Mini LED backlight |
| CN114942548B (en) * | 2022-06-02 | 2024-03-12 | 深圳市宏普欣电子科技有限公司 | Mini led backlight source |
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