CN220693478U - Bimetallic plate embedded injection molding display unit bottom shell - Google Patents
Bimetallic plate embedded injection molding display unit bottom shell Download PDFInfo
- Publication number
- CN220693478U CN220693478U CN202322168274.9U CN202322168274U CN220693478U CN 220693478 U CN220693478 U CN 220693478U CN 202322168274 U CN202322168274 U CN 202322168274U CN 220693478 U CN220693478 U CN 220693478U
- Authority
- CN
- China
- Prior art keywords
- display unit
- sheet metal
- plastic frame
- injection molding
- plastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001746 injection moulding Methods 0.000 title abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 239000004033 plastic Substances 0.000 claims abstract description 49
- 229920003023 plastic Polymers 0.000 claims abstract description 49
- 239000002390 adhesive tape Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims 4
- 239000002985 plastic film Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 abstract description 5
- 210000000988 bone and bone Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 210000002435 tendon Anatomy 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004512 die casting Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model belongs to the technical field of LED display units, and discloses a bimetal plate embedded injection molding display unit bottom shell. The bimetal plate embedded injection molding display unit bottom shell comprises a plastic frame, wherein a plastic groove is formed in the inner wall of the plastic frame, a longitudinal rib groove is formed in the central position of the plastic frame in an injection molding mode, the longitudinal rib groove is communicated with the plastic groove, sheet metal is fixedly installed on the upper side and the lower side of the longitudinal rib groove in the plastic frame through injection molding, a through hole is formed in the sheet metal, and arc ribs are arranged on the through hole. The bimetal plate is embedded into the bottom shell of the injection molding display unit, two thin plate metals are symmetrically placed, the bottom shell of the display unit is formed by injection molding of a plastic frame, arc-shaped ribs are arranged, and the longitudinal rib grooves are arranged to strengthen the impact resistance of the product.
Description
Technical Field
The utility model relates to the technical field of LED display units, in particular to a bimetal plate embedded injection molding display unit bottom shell.
Background
The LED display unit is generally composed of an LED display lamp panel cover bottom shell, and a plurality of display units are spliced into a large-area display screen body; the large-size LED display unit (480 mm is shown in 320 mm) bottom shell industry adopts a die-casting aluminum structure forming process, and the low-weather-proof scene display unit also adopts a plastic forming structure product.
The large-specification die-casting aluminum structure forming display unit bottom shell has the characteristic of high structural strength, the heat radiation performance of die-casting aluminum is reduced after the subsequent surface spraying process treatment, and the processing of the peripheral wall of the die-casting aluminum bottom shell is difficult to adapt to the requirements of a small-spacing (the point spacing is less than 4 mm) thin-wall display unit; the large-size display unit bottom shell formed by plastic is difficult to adapt to outdoor severe weather application in strength and heat dissipation performance, so that the display unit bottom shell formed by embedding the bimetallic plate into the plastic injection molding is urgently needed to meet the requirements of displaying the strength and heat dissipation of the bottom shell under outdoor severe weather conditions.
Disclosure of Invention
The utility model aims at: the bimetallic plate embedded injection molding display unit bottom shell can effectively improve the weather resistance of an outdoor LED display unit, has strong heat dissipation effect while having strength, is simple in manufacturing process and reliable in performance, can be suitable for an outdoor small-space display unit, can be used in severe weather environment, and is beneficial to development and improvement of outdoor Gao Qingxiao-space LED display products.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a bimetallic strip embedding display element drain pan of moulding plastics, includes the plastic frame, the plastic groove has been seted up to the plastic frame inner wall, the central point puts to mould plastics in the plastic frame has vertical tendons and bones trench, and vertical tendons and bones trench and plastic groove intercommunication each other, just be located the upper and lower both sides of vertical tendons and bones trench in the plastic frame and pass through the fixed mounting sheet metal of moulding plastics, the through-hole has been seted up on the sheet metal, be provided with the circular arc muscle on the through-hole.
Through the technical scheme, the through holes are punched before the arc rib is not punched to form ribs, when the circular arc rib is stretched and formed, the through holes are elliptical, and inclined holes with the hole walls perpendicular to the cambered surfaces are also formed in the arc rib;
the sheet metal and the plastic groove on the plastic frame are molded into a whole, and the longitudinal rib groove is used for strengthening the stability of the plastic frame and providing a clearance position for large-scale electronic components on the display lamp panel PCB.
Preferably, the four sides of the sheet metal are provided with bending edges, and the four bending corners of the bending edges are provided with through holes.
Through the technical scheme, the number of the arc tendons and bones is four, the arc tendons and bones are equidistantly arranged on the sheet metal, and the arc tendons and bones and the bending edges are used for strengthening the sheet metal and improving the flatness.
Preferably, the inner cambered surface of the circular arc rib is provided with an adhesive tape in a plastic injection manner, the circular arc rib is provided with an inclined hole, the adhesive tape is provided with adhesive columns, and the adhesive columns in the two inclined holes point to the center of the cambered surface and are fixed on the cambered surface rib on the surface of the sheet metal.
Through above-mentioned technical scheme, the adhesive tape is moulded plastics in the arc muscle and bone, and when moulding plastics the adhesive tape, can pack the glue post in cambered surface muscle and bone both sides and lie in the inclined hole position, be the glue post on direction inclined plane and be used for fixed adhesive tape on sheet metal.
Preferably, the inner adhesive tape of the circular arc tendons and bones on the sheet metal is also provided with a hollow column and a blind hole.
Through the technical scheme, the hollow column is used for penetrating through the display lamp panel PCB to leak out of the length and locking the surface mask of the display unit, and the blind hole is used for locking the display lamp panel PCB.
Preferably, metal blind nuts are arranged at four corners of the sheet metal.
Through the technical scheme, the metal blind nut is used for locking the bolt with the box structure outside the display unit.
Preferably, the sheet metal material is a thin aluminum plate.
Preferably, the plastic frame is made of PA66 fiber.
By adopting the technical scheme, the utility model has the beneficial effects that:
1. the bimetal plate is embedded into the bottom shell of the injection molding display unit, two thin plate metals are symmetrically placed, the bottom shell of the display unit is formed by injection molding of a plastic frame, arc-shaped ribs are arranged, and the longitudinal rib grooves are arranged to strengthen the impact resistance of the product.
2. The bimetal plate is embedded into the bottom shell of the injection molding display unit, and the sheet metal is formed by adopting a stamping process and oxidized, so that a stable heat dissipation effect can be provided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic overall sectional view of the present utility model;
FIG. 3 is a schematic view of a sheet metal structure of the present utility model;
FIG. 4 is a schematic view of the cross-sectional structure of FIG. 2C-C in accordance with the present utility model;
FIG. 5 is a schematic view of the cross-sectional structure of A-A of FIG. 2 in accordance with the present utility model;
FIG. 6 is a schematic view of the cross-sectional structure B-B of FIG. 2 in accordance with the present utility model;
FIG. 7 is an enlarged schematic view of the structure of FIG. 5A according to the present utility model;
fig. 8 is an enlarged view of the structure of fig. 6B according to the present utility model.
In the figure: 1 plastic frame, 2 plastic groove, 3 longitudinal rib groove position, 4 sheet metal, 5 through hole, 6 circular arc rib, 7 bending edge, 8 circular through hole, 9 adhesive tape, 10 adhesive column, 11 hollow column, 12 blind hole, 13 metal blind nut and 14 inclined hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-8, the present utility model provides a technical solution: the bimetal plate embedded injection molding display unit bottom shell comprises a plastic frame 1, wherein a plastic groove 2 is formed in the inner wall of the plastic frame 1, a longitudinal rib groove 3 is formed in the central position of the plastic frame 1 in an injection molding mode, the longitudinal rib groove 3 is communicated with the plastic groove 2, thin plate metals 4 are fixedly installed on the upper side and the lower side of the longitudinal rib groove 3 in the plastic frame 1 through injection molding, through holes 5 are formed in the thin plate metals 4, circular arc ribs 6 are arranged on the through holes 5, the through holes 5 are punched before the circular arc ribs 6 are punched, the circular arc ribs 6 are stretched and formed, inclined holes 14 with hole walls perpendicular to arc surfaces are formed in the circular arc ribs 6, the thin plate metals 4 and the plastic groove 2 on the plastic frame 1 are integrally formed through injection molding, and the longitudinal rib groove 3 is used for strengthening the stability of the plastic frame 1 and providing a clearance position for large-sized electronic components on a display lamp plate PCB;
the four sides of the sheet metal 4 are respectively provided with a bending edge 7, the corners of the four bending edges 7 are respectively provided with a circular through hole 8, the number of the circular arc ribs 6 is four, the circular arc ribs 6 and the bending edges 7 are equidistantly arranged on the sheet metal 4, the circular arc ribs 6 and the bending edges 7 are used for strengthening the sheet metal 4 and improving the flatness, the inner cambered surface of the circular arc ribs 6 and the inside of the sheet metal 4 are respectively provided with an adhesive tape 9 in an injection molding manner, the circular arc ribs 6 are respectively provided with an inclined hole 14, the adhesive tapes 9 are respectively provided with an adhesive column 10, the adhesive columns 10 in the inclined holes 14 at the two sides are respectively positioned in the inclined holes 14 and are respectively injection molded in the arc ribs 12, the adhesive columns 10 with a direction inclined surface are respectively used for fixing the adhesive tapes 9 on the sheet metal 12, the adhesive tapes 9 in the circular arc ribs 6 are respectively provided with a hollow column 11 and a blind hole 12, and the hollow column 11 is used for penetrating through the outer surface of a display lamp panel to leak out of a face mask (the surface of a PCB is not shown in the figure); the blind holes 12 are used for locking the display lamp panel PCB, metal blind hole nuts 13 are arranged at four corners on the sheet metal 4, the metal blind hole nuts 13 are used for locking bolts with a box structure outside the display unit, the sheet metal 4 is made of a thin aluminum plate, and the plastic frame 1 is made of PA66 fiber.
When the bimetal plate embedded injection molding display unit bottom shell works, after the sheet metal 4 is placed in an injection mold comprising a plastic frame 1 and a plastic groove 2 for integral injection molding, a through hole 5 is punched on the sheet metal 4, an arc rib 6 is punched on the sheet metal 4 and corresponds to the position of the through hole 5, and an injection molding adhesive tape 9 is performed in the arc rib 6.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a bimetallic strip embedding display element drain pan of moulding plastics, includes plastic frame (1), its characterized in that: plastic groove (2) have been seted up to plastic frame (1) inner wall, central point puts in plastic frame (1) and has moulded plastics longitudinal rib groove position (3), and longitudinal rib groove position (3) communicate each other with plastic groove (2), just be located the upper and lower both sides of longitudinal rib groove position (3) in plastic frame (1) and all have sheet metal (4) through the fixed mounting of moulding plastics, through-hole (5) have been seted up on sheet metal (4), be provided with circular arc muscle (6) on through-hole (5).
2. A bi-metal plate insert injection molded display unit bottom case as defined in claim 1, wherein: four sides of the sheet metal (4) are provided with bending edges (7), and round through holes (8) are formed in the bending corners of the four bending edges (7).
3. A bi-metal plate insert injection molded display unit bottom case as claimed in claim 2, wherein: the novel plastic sheet is characterized in that the rubber strips (9) are arranged on the inner cambered surface of the circular arc rib (6) and positioned in the sheet metal (4), the inclined holes (14) are formed in the circular arc rib (6), the rubber columns (10) are arranged on the rubber strips (9), and the rubber columns (10) are positioned in the corresponding inclined holes (14).
4. A bi-metal plate insert injection molded display unit bottom case as claimed in claim 3, wherein: the inner adhesive tape (9) of the arc rib (6) on the sheet metal (4) is provided with a hollow column (11) and a blind hole (12).
5. The bi-metal plate insert molded display unit pan of claim 4, wherein: the four corners of the sheet metal (4) are provided with metal blind nuts (13).
6. A bi-metal plate insert injection molded display unit bottom case as defined in claim 1, wherein: the sheet metal (4) is made of a thin aluminum plate.
7. A bi-metal plate insert injection molded display unit bottom case as defined in claim 1, wherein: the plastic frame (1) is made of PA66 fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168274.9U CN220693478U (en) | 2023-08-11 | 2023-08-11 | Bimetallic plate embedded injection molding display unit bottom shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322168274.9U CN220693478U (en) | 2023-08-11 | 2023-08-11 | Bimetallic plate embedded injection molding display unit bottom shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220693478U true CN220693478U (en) | 2024-03-29 |
Family
ID=90402688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322168274.9U Active CN220693478U (en) | 2023-08-11 | 2023-08-11 | Bimetallic plate embedded injection molding display unit bottom shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220693478U (en) |
-
2023
- 2023-08-11 CN CN202322168274.9U patent/CN220693478U/en active Active
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