CN110572974A - Waterproof construction and LED display screen - Google Patents
Waterproof construction and LED display screen Download PDFInfo
- Publication number
- CN110572974A CN110572974A CN201910878722.XA CN201910878722A CN110572974A CN 110572974 A CN110572974 A CN 110572974A CN 201910878722 A CN201910878722 A CN 201910878722A CN 110572974 A CN110572974 A CN 110572974A
- Authority
- CN
- China
- Prior art keywords
- supporting structure
- waterproof
- sealing ring
- extension arm
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims description 15
- 238000007789 sealing Methods 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000009434 installation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 241000826860 Trapezium Species 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a waterproof structure, comprising: the sealing device comprises a module, a box body and at least two sealing rings; the module is provided with a first supporting structure, the box body is provided with a second supporting structure corresponding to the first supporting structure, and the sealing ring is provided with a bulge and an extension arm; the sealing ring is respectively arranged on the first supporting structure and the second supporting structure, the bulges are mutually supported, and the extension arm is supported against the side wall of the first supporting structure and/or the second supporting structure. The invention also discloses an LED display screen which comprises the waterproof structures uniformly distributed on the LED display screen. The waterproof structure comprises a module, a first supporting structure, a second supporting structure, a sealing ring, a protrusion and an extension arm, wherein the first supporting structure is arranged on the module, the second supporting structure is arranged at a position, corresponding to the first supporting structure, on the box body, the sealing ring is provided with the protrusion and the extension arm, the sealing ring is respectively arranged on the first supporting structure and the second supporting structure, the protrusions are mutually supported, the extension arm is supported with the side wall of the first supporting structure and/or the side wall of the second supporting structure, and the waterproof structure and the LED display screen with good sealing performance are.
Description
Technical Field
The invention relates to the technical field of LED display devices, in particular to a waterproof structure and an LED display screen.
Background
To the LED display module that needs outdoor use or require waterproof, the quality of waterproof construction has huge influence to the performance of LED display screen. Generally, a waterproof ring is arranged between the LED display screen module and the display screen box body, the module and the display screen box body are locked by screws, and when the module and the display screen are locked, the waterproof gasket is stressed and compressed to deform to achieve the waterproof purpose, but the waterproof structure is poor in sealing performance and cannot meet the current use requirement.
There is a need for a waterproof structure of a new structure to solve the above problems.
Disclosure of Invention
the technical problem to be solved by the invention is as follows: the waterproof structure and the LED display screen are provided, so that the waterproof problem of the LED display screen is solved.
The invention provides a technical scheme for solving the technical problem, which comprises the following steps: a waterproof structure comprises a module, a box body and at least two sealing rings, wherein a first supporting structure is arranged on the module, a second supporting structure corresponding to the first supporting structure is arranged on the box body, and a protrusion and an extension arm are arranged on each sealing ring; the sealing rings are respectively arranged on the first supporting structure and the second supporting structure, the bulges are mutually supported, and the extension arm is supported against the side wall of the first supporting structure and/or the second supporting structure.
As an improvement of the above scheme, the sealing ring includes a first sealing ring and a second sealing ring, the first sealing ring is mounted on the first supporting structure, the second sealing ring is mounted on the second supporting structure, and the first sealing ring and the second sealing ring are centrosymmetric.
As a further improvement of the above scheme, the extension arm is located one side of the sealing ring, the protrusion is located in the middle of the sealing ring, and the side deviating from the protrusion is further provided with a sealing ring installation part.
As a further improvement of the above scheme, the thickness of at least one end of the extension arm is gradually reduced along the length direction.
As a further improvement of the above scheme, the sealing ring mounting part is of a trapezoidal structure, the middle of the first supporting structure and/or the second supporting structure is provided with a mounting groove, and the trapezoidal structure is connected with the mounting groove in a clamped mode.
As a further improvement of the scheme, the middle part of the trapezoid structure is provided with an arc-shaped groove.
As an improvement of the scheme, at least two groups of first supporting structures and second supporting structures are arranged on the module and/or the box body.
At least one technical scheme of the waterproof structure has the following beneficial technical effects: through set up first bearing structure on the module, set up second bearing structure with the position that first bearing structure corresponds on the box, set up the sealing washer that has arch and extension arm, install the sealing washer respectively on first bearing structure and second bearing structure, support each other between the arch and hold, the extension arm supports with the lateral wall of first bearing structure and/or second bearing structure and holds, forms a waterproof construction that sealing performance is good.
The invention also provides an LED display screen which comprises any one of the waterproof structures, and the waterproof structures are uniformly distributed on the LED display screen and are mutually combined and connected.
The LED display screen has at least one technical scheme with the following technical effects that the LED display screen with good waterproof performance is formed by combining a plurality of waterproof structures or arranging the waterproof structures on the LED display screen.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is an assembly view of one embodiment of the waterproof structure of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
Fig. 4 is an exploded view of an embodiment of the LED display screen of the present invention.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.
Fig. 1 is an assembly view of one embodiment of a waterproof structure of the present invention, fig. 2 is an enlarged view of a point a in fig. 1, fig. 3 is an enlarged view of a point B in fig. 2, and referring to fig. 1 but fig. 3, the waterproof structure includes a module 10, a case 20, and at least two sealing rings 30; the module 10 is provided with a first supporting structure 11, the box 20 is provided with a second supporting structure 21 corresponding to the first supporting structure 11, the sealing ring 30 is provided with a protrusion 31 and an extension arm 32, and the sealing ring 30 is respectively installed on the first supporting structure 11 and the second supporting structure 21. Support each other between the arch 31 and hold, extension arm 32 supports with the lateral wall of first bearing structure 11 and second bearing structure 21 and holds, forms first layer waterproof construction through first bearing structure 11 and extension arm 32, forms the waterproof construction of second way through mutual extrusion between the arch 31, and rethread second bearing structure 21 forms the waterproof construction of third way with extension arm 32, and then forms a waterproof construction that sealing performance is good through the waterproof construction of three ways.
Referring to fig. 3, the sealing ring 30 includes a first sealing ring 33 and a second sealing ring 34, the first sealing ring 33 is mounted on the first supporting structure 31, the second sealing ring 34 is mounted on the second supporting structure 21, and the first sealing ring 33 and the second sealing ring 34 are in central symmetry. The first seal ring 33 is preferably identical in construction to the second seal ring 34.
One side of sealing washer 30 sets up extension arm 32, and the thickness of the one end of extension arm 32 is steadilyd decrease to both ends from the centre along its self length direction, forms inclined plane structure at the surface of extension arm 32, gets into behind the cavity 40 in box or the non-waterproof region of module, strikes sealing washer 30 and has the extension arm 32 on inclined plane for extension arm 32 is inseparabler with module 10 and the laminating of box 20 under the effect of impact force, prevents inside water entering waterproof construction. The preferred lower part of one end is equipped with interior recess 35 on the lateral wall of first bearing structure 11 and second bearing structure 21, and extension arm 32 can support with the bottom of interior recess 35 under the effect of outside impact force, and more when having a small amount of water to enter, interior recess 35 still can store a small amount of water, prevents that water from getting into the inside of seal structure.
The middle part of the sealing ring 30 is provided with a bulge 31, the two sealing rings are combined in use in the actual use process, and the opposite bulges 31 are mutually extruded to form a second waterproof structure. The bulge 31 is located in the middle of the sealing ring 30, and a sealing ring mounting part 36 is further arranged on one side departing from the bulge 31. The seal ring mounting portion 36 is formed in a trapezoidal shape as a whole. The corners of the preferred trapezoidal structure are provided with fillets 361, and the fillets 361 facilitate smooth connection of the mounting portion 37 with the first support structure 31 on the module 10 or the second support structure 21 on the box 20.
The preferred middle part at the trapezium of installation department 36 is equipped with arc wall 362, the setting up of arc wall 362 makes the installation department 36 can be more convenient emergence deformation in the installation, convenient quick installation, further owing to set up arc wall 362 in the middle part of trapezium, make installation department 36 and first bearing structure 11 or second bearing structure 21's holding power concentrate on the trapezium's of installation department 36 both sides, guarantee the reliability that trapezium and first bearing structure 11 or second bearing structure 21 are connected.
A cross-shaped structure 38 is connected between the mounting portion 36 and the extension arm 32 on the sealing ring 30, an included angle between the cross-shaped structure 38 and one side of the extension arm 32 is attached to the first supporting structure 11 or the second supporting structure 21, a gap 363 is further arranged between the mounting portion 36 and the cross-shaped structure 38, and the gap 373 is connected with the first supporting structure 31 or the second supporting structure 21 in a clamping manner, so that the reliability and the stability of connection between the sealing ring 30 and the module 10 or the box 20 are guaranteed.
First bearing structure 11 on the module 10, be mounting groove (12) with second bearing structure 21 on the box 20, 22), mounting groove (12,22) are logical groove, the cross-section of mounting groove (12,22) is type structure, make installation department 36 on the sealing washer 30 closely laminate with type structure, make installation department 36 through support with the inner wall of mounting groove (12,22), rethread cross structure 38 forms pulling force to extension arm 32, make extension arm 32 closely laminate with the lateral wall of first bearing structure 11 and second bearing structure 21, ensure sealing washer 30 and first bearing structure 11, the reliability of being connected between the second bearing structure 21. Meanwhile, it can be seen that a first waterproof structure and a third waterproof structure surrounding the second waterproof structure are formed among the first support structure 11, the second support structure 21 and the extension arm 32 of the seal ring 30.
referring to fig. 2 and 3, a cavity 40 is provided between the module 10, the housing 20 and the sealing ring 30, the cavity is communicated with the outside, when water enters the cavity 40, the water flows in a direction indicated by an arrow, the water first enters a low-lying part between the sealing ring 30 and the housing 20, the water is accumulated to a certain degree and then overflows the upper surface of the sealing ring 30, so that the water flows to the low-lying part where the sealing ring 30 is connected with the module 10, when the water overflows the lower end of the sealing ring, because the outer surface of the extension arm 32 is of a slope structure, when the water is accumulated more, the gravity of the water acts on the sealing ring 30, namely, the more the water is accumulated, the pressure between the extension arm 32 of the sealing ring 30 and the first support structure 11 and the second support structure 21 is higher, the sealing performance is better, and the reliability of sealing between the sealing ring 30 and the first support structure 11 and the second support structure 22, the water flow is effectively prevented from entering the waterproof structure. It can be known from the foregoing, first waterproof construction is the same with the waterproof principle of third waterproof construction, the waterproof construction is for forming waterproof separation portion through mutual extrusion between the arch 31 between first sealing washer 33 and the second sealing washer 34 for the second, all leave accommodation space 311 between the both sides of preferred arch 31, accommodation space 311 can be used to hold a small amount of infiltration, compare in traditional individual layer seal structure, can avoid the infiltration directly to get into inside module 10 or the box 20, cause direct injury to electronic components. And a third waterproof structure is further arranged at the lower part of the second waterproof structure, so that water can be further prevented from permeating into a waterproof area inside the module 10 and/or the box body 20, and a stable and reliable waterproof structure is formed by the three waterproof structures.
It should be noted that, the sealing ring 30 is an elastic member, and may be made of rubber or silica gel or other materials in the actual use process, and the technical scheme does not limit the use material of the sealing ring 30, and may be selected according to the needs in the actual use process. Meanwhile, the technical scheme does not limit the using quantity of the sealing rings, and the sealing rings can be added according to the requirement under the condition of meeting the sealing requirement.
More in one embodiment, the seal ring 30 is provided with circumferentially symmetrical extension arms 32, so that the connection between two circumferentially symmetrical seal rings is more compact and reliable.
In another embodiment, the module 10 is provided with a plurality of first support structures 11 and second support structures 21 nested within each other, and the first support structures 11 and the second support structures 21 are provided with the mutually cooperating sealing rings 30.
Fig. 4 is an exploded view of an embodiment of the LED display screen of the present invention, referring to fig. 4, the LED display screen includes a module 10, a box 20, and a sealing ring 30, the sealing ring 30 includes a module sealing ring 33 and a box sealing ring 34, the box 20 and the module 10 have the same structure as the box and the sealing ring in the waterproof structure, the sealing ring 30 has the same cross-sectional structure as the sealing ring in the waterproof structure, the box sealing ring 34 is connected to a supporting structure on the box 20, the module sealing ring 33 is connected to the supporting structure on the module 10, the module 10 is connected to the box 20 by a snap or a screw, the sealing rings 30 abut against each other and tightly adhere to the side of the supporting structure, so as to form the waterproof LED display screen with good sealing performance.
The operating principle of the invention is as follows: by arranging the three waterproof structures and at least one group of sealing rings, the extension arm of each sealing ring is abutted against the side walls of the box body and the module to form a first waterproof structure, and the outer surface of the extension arm is provided with an inclined surface structure, so that pressure is applied to the outer surface of each sealing ring when water impacts the sealing ring, and the sealing rings are connected more tightly; a second waterproof structure is formed by mutual extrusion between bulges at the middle part of the extension arm; and the extension arm of the sealing ring at the bottom is abutted against the side faces of the box body and the module to form a third waterproof structure, so that the waterproof structure with good waterproof performance and the LED display screen with the waterproof structure are formed through the three waterproof structures of the upper layer, the middle layer and the lower layer.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. Waterproof construction, its characterized in that contains: the sealing device comprises a module, a box body and at least two sealing rings; the module is provided with a first supporting structure, the box body is provided with a second supporting structure corresponding to the first supporting structure, and the sealing ring is provided with a bulge and an extension arm; the sealing rings are respectively arranged on the first supporting structure and the second supporting structure, the bulges are mutually supported, and the extension arm is supported against the side wall of the first supporting structure and/or the second supporting structure.
2. The waterproof structure according to claim 1, wherein the seal ring includes a first seal ring and a second seal ring, the first seal ring being mounted on the first support structure, the second seal ring being mounted on the second support structure, the first seal ring and the second seal ring being centrosymmetric.
3. The waterproof structure of claim 2, wherein the extension arm is located on one side of the sealing ring, the protrusion is located in the middle of the sealing ring, and a sealing ring mounting portion is further disposed on one side away from the protrusion.
4. The waterproof structure according to claim 3, wherein the extension arm has at least one end having a thickness that is tapered along a length direction.
5. The waterproof structure of claim 3, wherein the sealing ring mounting part is a trapezoidal structure, a mounting groove is formed in the middle of the first supporting structure and/or the second supporting structure, and the trapezoidal structure is connected with the mounting groove in a clamping mode.
6. The waterproof structure according to claim 5, wherein an arc-shaped groove is provided in the middle of the trapezoidal structure.
7. The waterproof structure according to claim 1, wherein a concave portion is provided at a lower portion of at least one end of the side wall of the first support structure and/or the second support structure, and a distal end of the extension arm is capable of abutting against the concave portion.
8. The waterproof structure according to claim 2, wherein the first seal ring is identical in structure to the second seal ring.
9. The water resistant structure of claim 1 wherein at least two sets of first and second support structures are provided on the module and/or the tank.
The LED display screen is characterized by comprising the waterproof structure as claimed in any one of claims 1 to 9, wherein the waterproof structure is uniformly distributed on the LED display screen and mutually combined and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878722.XA CN110572974B (en) | 2019-09-18 | 2019-09-18 | Waterproof construction and LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878722.XA CN110572974B (en) | 2019-09-18 | 2019-09-18 | Waterproof construction and LED display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110572974A true CN110572974A (en) | 2019-12-13 |
| CN110572974B CN110572974B (en) | 2024-05-10 |
Family
ID=68780675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910878722.XA Active CN110572974B (en) | 2019-09-18 | 2019-09-18 | Waterproof construction and LED display screen |
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| Country | Link |
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| CN (1) | CN110572974B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113140166A (en) * | 2021-05-13 | 2021-07-20 | 业成科技（成都）有限公司 | Wearable device |
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| CN113140166A (en) * | 2021-05-13 | 2021-07-20 | 业成科技（成都）有限公司 | Wearable device |
| CN113140166B (en) * | 2021-05-13 | 2022-10-18 | 业成科技（成都）有限公司 | Wearable device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110572974B (en) | 2024-05-10 |
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