CN215895882U - Display screen module - Google Patents
Display screen module Download PDFInfo
- Publication number
- CN215895882U CN215895882U CN202122474364.1U CN202122474364U CN215895882U CN 215895882 U CN215895882 U CN 215895882U CN 202122474364 U CN202122474364 U CN 202122474364U CN 215895882 U CN215895882 U CN 215895882U
- Authority
- CN
- China
- Prior art keywords
- positioning
- magnetic attraction
- display screen
- pcb
- module
- 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.)
- Active
Links
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses display screen module belongs to and shows technical field. The subassembly is inhaled through a plurality of magnetism between its PCB board and the module drain pan and carries out fastening connection, each magnetism is inhaled the subassembly and is included first magnetism and inhale the piece, the reference column, locating surface and second magnetism are inhaled the piece, the protruding one side surface of keeping away from the lamp face of PCB board of locating column, and the perpendicular distance homogeneous phase of the outer terminal surface of the reference column of each magnetism subassembly to the lamp face of PCB board is inhaled on the reference column, first magnetism is inhaled the piece cover and is located the reference column, the locating surface is located one side that module drain pan and PCB board meet, and the perpendicular distance homogeneous phase of the locating surface of each magnetism subassembly to one side surface that the module drain pan kept away from the PCB board equals, the second magnetism is inhaled the piece and is set up around the border all around the locating surface, when fastening connection between PCB board and the module drain pan, the corresponding locating surface of the outer terminal surface level butt of reference column, first magnetism is inhaled the piece and is inhaled the piece with the second magnetism and is inhaled the sky and is carried out mutual magnetic adsorption connection. This technical scheme, it can effectively solve the technical problem of compromise low-cost demand when the roughness of display screen module can't be ensured to the equipment mode of current display screen module.
Description
Technical Field
The application relates to the technical field of display, in particular to a display screen module.
Background
At present, the LED display screen is commonly used for completing the assembly connection of a PCB plate and a bottom shell in a copper column and magnet adding mode. Because the thickness uniformity of the board of PCB board and the height of copper post, magnet thickness, drain pan thickness all can have certain error, thereby it is great to influence the equipment roughness of LED display screen also to add up when the error, leads to when using the drain pan as the reference surface, and the lamp face often can't be on a parallel with the drain pan reference surface. The existing scheme is to the source put forward the requirement, requires that PCB board and module drain pan all need possess very high machining precision promptly to guarantee that the PCB board that processes out and module drain pan all need keep unanimous thickness, so, the processing technology of high accuracy brings easily that the processing cost increases by a wide margin, and reaches the technology limit easily.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a display screen module, and it compromises the technical problem of low-cost demand when the equipment mode that aims at solving current display screen module can't ensure the roughness of display screen module.
In order to achieve the above object, the present application provides a display screen module, which comprises a PCB and a module bottom case, wherein the PCB is fastened to the module bottom case through a plurality of magnetic attraction components, each of the magnetic attraction components comprises a first magnetic attraction component, a positioning column, a positioning surface and a second magnetic attraction component, the positioning column is convexly disposed on a side surface of the PCB away from the lamp surface, the vertical distance from the outer end surface of the positioning column to the lamp surface of the PCB of each of the magnetic attraction components is equal, the first magnetic attraction component is sleeved on the positioning column, the positioning surface is located on a side of the module bottom case connected to the PCB, the vertical distance from the positioning surface of each of the magnetic attraction components to a side surface of the module bottom case away from the PCB is equal, the second magnetic attraction component is disposed around the positioning surface, when the PCB and the module bottom shell are fixedly connected, the outer end face of the positioning column horizontally abuts against the corresponding positioning face, and the first magnetic attraction piece and the second magnetic attraction piece are separated to be connected in a mutual magnetic attraction manner.
Optionally, a plurality of positioning grooves are concavely formed in one side surface of the module bottom case, the positioning grooves are arranged in one-to-one correspondence with the plurality of magnetic suction assemblies, and the bottom wall of each positioning groove is the corresponding positioning surface of the plurality of magnetic suction assemblies.
Optionally, the second magnetic part is arranged around the periphery of the opening of the positioning groove body.
Optionally, the sum of the thickness of the first magnetic part, the thickness of the second magnetic part, and the depth of the corresponding positioning groove body is less than the height of the corresponding positioning column.
Optionally, the positioning groove body is a stepped groove, and the second magnetic attraction piece is arranged on a stepped surface of the stepped groove.
Optionally, the sum of the thickness of the first magnetic attraction piece and the groove depth of the corresponding positioning groove body is smaller than the height of the corresponding positioning column.
Optionally, the positioning column is a copper column.
Optionally, a combination of a magnet and a magnet or a combination of a magnet and a ferromagnetic material is arranged between the first magnetic attraction member and the second magnetic attraction member.
Optionally, the first magnetic attraction piece is of an annular structure, a hollow circular truncated cone structure or a U-shaped structure so as to surround the positioning column.
Optionally, the second magnetic element is of an annular structure, a hollow circular truncated cone structure or a U-shaped structure, and is arranged around the periphery of the positioning surface.
The application provides a display screen module, when the PCB and the module bottom shell are assembled, the fastening connection is carried out through a plurality of magnetic suction components, and simultaneously, the outer end surface of the positioning column of each magnetic suction component horizontally abuts against the corresponding positioning surface to achieve the effect of plane positioning, so that when the PCB is installed on the module bottom shell, the lamp surface of the PCB can be always parallel to the reference surface of the module bottom shell (namely the surface of one side of the module bottom shell far away from the PCB), thereby ensuring that the display screen module has high flatness, simultaneously, the requirement of high processing precision on the PCB and the module bottom shell is not required, even under the condition that the thicknesses of all parts of the PCB and/or the module bottom shell are different, the heights of the positioning columns and the positions of the positioning surfaces can be respectively controlled by tools such as milling cutters in the later period (only the vertical distance from the outer end surface of the positioning column of each magnetic suction component to the lamp surface of the PCB is required to be equal, the vertical distance from the positioning surface of each magnetic component to the surface of one side of the module bottom case away from the PCB is also equal) so that the lamp surface of the PCB can be always kept parallel to the reference surface of the module bottom case. In addition, the display screen module is not required to be screwed to fixedly connect the PCB and the bottom shell, and is connected by the magnetic force of the magnetic suction assembly, so that the screwing procedure is omitted, and the assembly, disassembly and maintenance are convenient. It is thus clear that this technical scheme, its equipment mode that can effectively solve current display screen module compromises the technical problem of low-cost demand when can't ensure the roughness of display screen module.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a display screen module according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a disassembled structure of the display screen module shown in fig. 1.
Fig. 3 is a schematic structural view of a PCB of the display screen module shown in fig. 1 before milling.
Fig. 4 is a schematic structural diagram of the display screen module shown in fig. 1 after the PCB board is processed by the milling cutter.
Detailed Description
The following further describes embodiments of the present application with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present application, but the present application is not limited thereto. In addition, the technical features mentioned in the embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a display screen module 100, the display screen module 100 includes a PCB 110 and a module bottom housing 120, the PCB 110 is fastened to the module bottom housing 120 by a plurality of magnetic assemblies 130, each magnetic assembly 130 includes a first magnetic member 131, a positioning post 132, a positioning surface 133, and a second magnetic member 134, the positioning post 132 is protruded from a side surface of the PCB 110 away from a lamp surface, and a vertical distance from an outer end surface of the positioning post 132 of each magnetic assembly 130 to the lamp surface of the PCB 110 is equal (i.e. equal to a height H1 shown in the figure), the first magnetic member 131 is sleeved on the positioning post 132, the positioning surface 133 is located on a side of the module bottom housing 120 where the PCB 110 is connected, and a vertical distance from the positioning surface 133 of each magnetic assembly 130 to a side surface of the module bottom housing 120 away from the PCB 110 is equal (i.e. equal to a height H2 shown in the figure), the second magnetic attraction piece 134 is arranged around the positioning surface 133, when the PCB 110 and the module bottom case 120 are fastened and connected, the outer end surface of the positioning column 132 horizontally abuts against the corresponding positioning surface 133, and the first magnetic attraction piece 131 and the second magnetic attraction piece 134 are separated to be connected in a magnetic attraction manner.
In this embodiment, as shown in fig. 1 and fig. 2, the positioning column 132 is preferably a copper column, and is easily processed by a milling tool, and as shown in fig. 3, after the positioning column 132 of each magnetic component 130 is fixedly mounted on a side surface of the PCB 110 away from the lamp surface by a fixing method such as welding, the PCB 110 is horizontally placed on the machining platform (such that the lamp surface of the PCB 110 is tightly attached to the machining platform), and at this time, the outer end surface of the positioning column 132 of each magnetic component 130 is not substantially on a plane. Next, the height of the milling cutter 20 is controlled, so that the processing plane 21 of the milling cutter 20 is parallel to the machining platform surface or the lamp surface of the PCB 110, and after the milling process, the outer end surface of the positioning column 132 of each magnetic attraction assembly 130 is on the same plane and parallel to the machining platform surface or the lamp surface of the PCB 110, that is, as shown in fig. 4, the outer end surface of the positioning column 132 of each magnetic attraction assembly 130 is controlled by the milling cutter 20, so that the vertical distances from the outer end surface of the positioning column 132 of each magnetic attraction assembly 130 to the lamp surface of the PCB 110 are all equal (i.e., the heights are all H1 shown in the figure). Similarly, the module bottom case 120 is placed on the machining platform (such that the reference surface of the module bottom case 120 is tightly attached to the machining platform), and can be machined by a milling tool, etc., to mill the positioning surface 133 having the same height as the reference surface of the module bottom case 120, i.e., the vertical distance from the positioning surface 133 of each magnetic component 130 to the surface of the module bottom case 120 on the side away from the PCB 110 is equal (i.e., the vertical distance is the height H2 shown in the figure). Thus, the feeding errors such as the thickness inconsistency of the PCB 110 and the thickness inconsistency of the bottom case 120 can be eliminated by milling the positions of the positioning surfaces 133 and the heights of the positioning posts 132.
As shown in fig. 1 and fig. 2, a plurality of positioning slots (not shown) are recessed from a surface of one side of the module bottom case 120, and are disposed in one-to-one correspondence with the plurality of magnetic assemblies 130, and a bottom wall of each positioning slot is a positioning surface 133 of the corresponding plurality of magnetic assemblies 130. The positioning groove body of this embodiment is preferably a stepped groove (i.e. the side wall of the groove body is stepped), and at this time, the second magnetic member 134 is disposed on the stepped surface of the stepped groove. In order to further ensure the tight connection between the PCB 110 and the bottom housing 120, the outer end surfaces of the positioning posts 132 horizontally abut against the bottom walls of the corresponding positioning slots 133, the first magnetic attraction member 131 and the second magnetic attraction member 134 are separated from each other to perform the mutual magnetic attraction connection, and the sum of the thickness of the first magnetic attraction member 131 and the depth of the corresponding positioning slot (i.e. the step groove) should be smaller than the height of the corresponding positioning post 132. For those skilled in the art, the positioning slot body may also adopt a conventional groove (i.e. the side wall of the slot body is a straight surface, and has no step structure), at this time, the second magnetic attraction piece 134 is disposed around the periphery of the opening of the positioning slot body, in order to further ensure the fastening connection between the PCB 110 and the module bottom case 120, the outer end surface of the positioning column 132 horizontally abuts against the bottom wall of the corresponding positioning slot body 133, the first magnetic attraction piece 131 and the second magnetic attraction piece 134 are separated to perform the mutual magnetic attraction connection, and the sum of the thickness of the first magnetic attraction piece 131, the thickness of the second magnetic attraction piece 134 and the depth of the corresponding positioning slot body is smaller than the height of the corresponding positioning column 132.
As shown in fig. 1 and fig. 2, the first magnetic attraction element 131 and the second magnetic attraction element 134 of the present embodiment are preferably a combination of a magnet and a magnet, which can ensure that the first magnetic attraction element 131 and the second magnetic attraction element 134 are separated from each other to perform a magnetic attraction connection and still have a strong magnetic attraction force. For those skilled in the art, one of the magnets can be replaced by a ferromagnetic material, that is, the first magnetic attraction member 131 is a magnet, and the second magnetic attraction member 134 is a ferromagnetic material; alternatively, the second magnetic element 134 is a magnet, and the first magnetic element 131 is a ferromagnetic element.
As shown in fig. 1 and fig. 2, the first magnetic member 131 of the present embodiment is preferably of a ring structure to surround the positioning pillars 132, and meanwhile, the first magnetic member 131 can be fixed on the corresponding side surface of the PCB 110 by a fixing method such as welding, and the protrusion height of the first magnetic member 131 on the corresponding side surface of the PCB 110 is smaller than the protrusion height of the corresponding positioning pillars 132 on the corresponding side surface of the PCB 110. Similarly, the second magnetic member 134 is also preferably a ring structure, so as to surround the positioning surface 133.
For those skilled in the art, the first magnetic element 131 can also be disposed on the positioning pillar 132 to fix by a hollow structure such as a hollow truncated cone structure, a U-shaped structure, etc. Similarly, the second magnetic element 134 can also be disposed around the positioning surface 133 by using a hollow structure such as a hollow truncated cone structure or a U-shaped structure.
The display screen module provided by the embodiment of the application can be assembled between a PCB (printed circuit board) and a module bottom shell by fastening and connecting a plurality of magnetic attraction components and horizontally abutting the outer end surface of the positioning column of each magnetic attraction component against the corresponding positioning surface to achieve the effect of planar positioning, so that when the PCB is installed on the module bottom shell, the lamp surface of the PCB can be always parallel to the reference surface of the module bottom shell (namely the surface of one side of the module bottom shell away from the PCB), thereby ensuring that the display screen module has high flatness, simultaneously avoiding the requirement of high processing precision on the PCB and the module bottom shell, even under the condition that the thicknesses of all parts of the PCB and/or the module bottom shell are different, the heights of the positioning columns and the positions of the positioning surfaces can be respectively controlled by tools such as a milling cutter and the like in the later period (only needing to ensure that the vertical distances from the outer end surface of the positioning column of each magnetic attraction component to the lamp surface of the PCB are equal, the vertical distance from the positioning surface of each magnetic component to the surface of one side of the module bottom case away from the PCB is also equal) so that the lamp surface of the PCB can be always kept parallel to the reference surface of the module bottom case. In addition, the display screen module is not required to be screwed to fixedly connect the PCB and the bottom shell, and is connected by the magnetic force of the magnetic suction assembly, so that the screwing procedure is omitted, and the assembly, disassembly and maintenance are convenient. It is thus clear that this technical scheme, its equipment mode that can effectively solve current display screen module compromises the technical problem of low-cost demand when can't ensure the roughness of display screen module.
The embodiments of the present application have been described in detail with reference to the accompanying drawings, but the present application is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the application, and the scope of the application is to be accorded the full scope of the claims.
Claims (10)
1. A display screen module is characterized in that the display screen module comprises a PCB and a module bottom shell, the PCB and the module bottom shell are fastened and connected through a plurality of magnetic attraction components, each magnetic attraction component comprises a first magnetic attraction component, a positioning column, a positioning surface and a second magnetic attraction component, the positioning column is convexly arranged on one side surface of the PCB far away from a lamp surface, the vertical distance from the outer end surface of the positioning column of each magnetic attraction component to the lamp surface of the PCB is equal, the first magnetic attraction component is sleeved on the positioning column, the positioning surface is arranged on one side of the module bottom shell connected with the PCB, the vertical distance from the positioning surface of each magnetic attraction component to one side surface of the module bottom shell far away from the PCB is equal, the second magnetic attraction component is arranged around the periphery of the positioning surface, and when the PCB is fastened and connected with the module bottom shell, the outer end face of the positioning column is horizontally abutted against the corresponding positioning face, and the first magnetic attraction piece and the second magnetic attraction piece are separated to be connected in a magnetic attraction manner.
2. The display screen module of claim 1, wherein a plurality of positioning grooves corresponding to the plurality of magnetic assemblies are recessed in a surface of one side of the module bottom case, and a bottom wall of each positioning groove is the positioning surface of the corresponding magnetic assemblies.
3. The display screen module of claim 2, wherein the second magnetic attraction piece is arranged around the periphery of the opening of the positioning groove body.
4. The display screen module of claim 3, wherein a sum of a thickness of the first magnetic attraction piece, a thickness of the second magnetic attraction piece and a groove depth of the corresponding positioning groove body is smaller than a height of the corresponding positioning column.
5. The display screen module of claim 2, wherein the positioning groove is a stepped groove, and the second magnetic attraction piece is arranged on a stepped surface of the stepped groove.
6. The display screen module of claim 5, wherein the sum of the thickness of the first magnetic attraction piece and the groove depth of the corresponding positioning groove body is smaller than the height of the corresponding positioning column.
7. The display screen module of any one of claims 1-6, wherein the positioning posts are copper posts.
8. The display screen module of any one of claims 1-6, wherein a combination of a magnet and a magnet or a combination of a magnet and a ferromagnetic material is disposed between the first magnetic attraction member and the second magnetic attraction member.
9. The display screen module of any one of claims 1-6, wherein the first magnetic attachment is of an annular structure, a hollow truncated cone structure, or a U-shaped structure, so as to surround the positioning post.
10. The display screen module of any one of claims 1-6, wherein the second magnetic attachment member is of an annular structure, a hollow truncated cone structure, or a U-shaped structure so as to be disposed edgewise around the periphery of the positioning surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474364.1U CN215895882U (en) | 2021-10-13 | 2021-10-13 | Display screen module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474364.1U CN215895882U (en) | 2021-10-13 | 2021-10-13 | Display screen module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215895882U true CN215895882U (en) | 2022-02-22 |
Family
ID=80250535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122474364.1U Active CN215895882U (en) | 2021-10-13 | 2021-10-13 | Display screen module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215895882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228152A1 (en) * | 2021-04-27 | 2022-11-03 | 西安青松光电技术有限公司 | Light board, display screen, and manufacturing method for light board |
| CN115424534A (en) * | 2022-09-23 | 2022-12-02 | 深圳市洲明科技股份有限公司 | Display module coplanarity adjusting method of display screen |
-
2021
- 2021-10-13 CN CN202122474364.1U patent/CN215895882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228152A1 (en) * | 2021-04-27 | 2022-11-03 | 西安青松光电技术有限公司 | Light board, display screen, and manufacturing method for light board |
| CN115424534A (en) * | 2022-09-23 | 2022-12-02 | 深圳市洲明科技股份有限公司 | Display module coplanarity adjusting method of display screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215895882U (en) | Display screen module | |
| WO2020125186A1 (en) | Multi-camera module and assembling method therefor | |
| US11470731B1 (en) | Video display panel mounting and aligning system and method | |
| CN115547203A (en) | Bearing box body assembling part and splicing display device | |
| CN210524293U (en) | Metal sheet welding carrier | |
| CN216772731U (en) | Display module and display screen | |
| CN207852218U (en) | LED display | |
| CN211717463U (en) | Photoelectric encoder high accuracy assembly devices | |
| CN112802407A (en) | Outdoor multifunctional front maintenance LED display screen module and LED display screen | |
| CN221448786U (en) | LED display screen box and display screen | |
| CN213781470U (en) | Display module | |
| CN210775573U (en) | Needle bed board | |
| CN114412896B (en) | Assembling jig and assembling method of display module | |
| CN218225003U (en) | Circuit board assembly welding tool and assembly welding system | |
| CN113365464B (en) | Backboard, backboard processing method and cabinet | |
| CN219799795U (en) | GNSS receiver | |
| CN220154783U (en) | Resolution ratio amplifying device | |
| CN215379344U (en) | PCB (printed circuit board) jig | |
| CN219761167U (en) | Fixing structure of camera lens and image sensor | |
| CN219623031U (en) | Laminating positioning fixture | |
| CN212907098U (en) | Positioning test component of DDR4 automatic test equipment | |
| CN213403691U (en) | High-precision limiting reflow soldering carrier | |
| CN218849881U (en) | Novel standard plug and plastic casing matched structure | |
| CN217761466U (en) | Part for precision stamping pump firm in installation | |
| CN216830868U (en) | Encoder reading head mounting structure, mechanical arm joint and mechanical arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |