CN219634884U - Light-transmitting decorative picture capable of being uniformly lightened - Google Patents
Light-transmitting decorative picture capable of being uniformly lightened Download PDFInfo
- Publication number
- CN219634884U CN219634884U CN202320883583.1U CN202320883583U CN219634884U CN 219634884 U CN219634884 U CN 219634884U CN 202320883583 U CN202320883583 U CN 202320883583U CN 219634884 U CN219634884 U CN 219634884U
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- Prior art keywords
- light
- light guide
- pattern
- layer
- guide plate
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- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 238000010422 painting Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 7
- 238000010023 transfer printing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007592 spray painting technique Methods 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 7
- 238000005034 decoration Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 239000003973 paint Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 239000002985 plastic film Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model provides a transparent decorative picture capable of being uniformly lightened, which comprises the following components: the LED light source is used for illuminating the light guide plate, and the pattern layer is arranged on the light emitting surface of the light guide plate; the LED light source is adhered to the light incident surface of the light guide plate and used for lighting the light guide strips of the light guide plate; when the LED light sources light the corresponding light guide strips, the light guide strips light the areas corresponding to the positions of the pattern layers, so that the patterns of the illuminated areas on the pattern layers are illuminated. The beneficial effects of the utility model are as follows: the light-transmitting decorative picture capable of being uniformly lightened is cut into the light guide plate to form light guide strips, and a light isolation layer is arranged between two adjacent light guide strips, so that the light guide effects between the two adjacent light guide strips cannot interfere with each other, and the light guide strips in the light guide area in the light guide plate can be sequentially lightened to form dynamic and uniform light emission.
Description
Technical Field
The utility model belongs to the technical field of ornaments, and particularly relates to a light-transmitting decorative picture capable of being uniformly lightened.
Background
At present, an LED light source is used as a decoration scheme for backlight illumination of a background pattern, and the background pattern is displayed on the surface of a product by lighting the background pattern, so that the decoration effect of the pattern is obtained. The above-mentioned decoration scheme not only obtains better application on the bill-board, but also is promoted to the ornament field, for example: decorative painting, decorative ornament, etc. However, in the above-mentioned decoration scheme, the LED light source is mainly used for lighting, but the LED light source directly lights the pattern, so that the problem of uneven brightness occurs, and it is difficult to realize a good decoration effect.
Disclosure of Invention
The utility model mainly aims to provide the light-transmitting decorative picture capable of being uniformly lightened, and the structural design of the light guide plate enables the light-transmitting decorative picture capable of being uniformly lightened to realize uniform lightening of a light guide area in the light guide plate, so that the uniform lightening decorative effect of a product is highlighted, rich decorative aesthetic feeling is presented, and the product experience of consumers is improved.
In order to solve the technical problems, the utility model provides the following technical scheme:
a light-transmitting decorative painting capable of being uniformly lighted, comprising: the LED light source is used for illuminating the light guide plate, and the pattern layer is arranged on the light emitting surface of the light guide plate; the LED light source is adhered to the light incident surface of the light guide plate and used for lighting the light guide strips of the light guide plate; when the LED light sources light the corresponding light guide strips, the light guide strips light the areas corresponding to the positions of the pattern layers, so that the patterns of the illuminated areas on the pattern layers are illuminated.
Preferably, a spacing gap is formed between two adjacent light guide strips, and a light-blocking layer is arranged in each spacing gap and is used for forming a light-blocking effect between two adjacent light guide strips.
Preferably, the light-blocking layer is formed by filling a light-blocking material in the interval gap, or is formed by inserting a light-blocking sheet in the interval gap.
Preferably, the light guide plate includes: the light guide device comprises a light guide area and edge areas arranged on one side or two opposite sides of the light guide area, wherein a plurality of light guide strips are formed by cutting in the light guide area, one end of each light guide strip is connected with the edge areas, or two opposite ends of each light guide strip are respectively connected with the two edge areas; the LED light source is attached to the edge surface of the edge area and used for forming the light incident surface of the light guide plate.
Preferably, the pattern layer includes: the LED light source comprises a light-transmitting plate and a pattern formed on the light-transmitting plate through spray painting, hand painting, transfer printing or carving, wherein the light-transmitting plate is arranged on the light-emitting surface side of the light-guiding plate, and after the light-guiding plate is lightened by the LED light source, the light of the light-guiding plate can penetrate through the light-transmitting plate so as to illuminate the pattern.
Preferably, a decorative layer is attached to the light-emitting side of the pattern layer, and the decorative layer is attached to the light-emitting side of the pattern layer and used for shielding the pattern layer; the pattern layer and the decorative layer have light transmittance; when the LED light source emits light, the light guide plate is lightened to illuminate the pattern layer, and the pattern of the pattern layer is visible through the decorative layer; when the LED light source does not emit light, the decorative layer obscures the pattern layer so that the pattern is not visible.
Preferably, the pattern formed by the pattern layer is a color pattern, and the decorative layer is formed with a pattern identical to the color pattern and corresponding to the color pattern; when the LED light source emits light, the light guide plate is lightened to illuminate the pattern layer, and the colors of the color patterns are mapped on the patterns of the decorative layer, so that the patterns show color effects; when the LED light source does not emit light, the decorative layer shields the pattern layer so that the color pattern is invisible.
Preferably, the LED light source is an LED running light strip, and the LED running light strip is attached to an edge surface of the light guide plate, so as to form a light incident surface of the light guide plate; when the LED running water lamp strip sequentially lights the light guide strips of the light guide plate, the light guide strips form dynamic light emission so as to dynamically irradiate the pattern layer.
Preferably, the light guide plate is made of acrylic material.
Preferably, the light guide plate is a plane or a curved surface.
The beneficial effects of the utility model are as follows:
the light-transmitting decorative picture capable of being uniformly lightened is cut into the light guide plate to form light guide strips, a light isolation layer is arranged between two adjacent light guide strips, the light guide effects between the two adjacent light guide strips cannot interfere with each other, so that the light guide areas in the light guide plate can be uniformly light-guided, the uniform lightening decorative effect of a product is further highlighted, rich decorative aesthetic feeling is presented, the product experience of consumers is improved, and the light-transmitting decorative picture has very wide application prospect and application space;
in addition, the large light guide plate is internally cut to form the light guide strips, so that the processing is convenient, the whole light guide plate is complete after the light guide plate is cut, and the processing and the assembly of products are convenient;
in addition, through the control flowing water lamp area LED light source lights in proper order a plurality of light guide bars of light guide plate, can reach the dynamic lighting monoblock light guide plate to the pattern on the pattern layer the same with light guide plate size and dimension presents the luminous effect of flowing water formula.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a light source and a light guide plate of an LED in a transparent decorative picture capable of being uniformly lighted according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a pattern layer and a decoration layer disposed on a light guide plate in a transparent decoration picture capable of being uniformly lighted according to an embodiment of the present utility model.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments 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.
As shown in fig. 1 and 2, the light-transmitting decorative painting capable of being uniformly lighted includes: the LED light source 10 is used for illuminating the light guide plate 20, the light guide plate 20 and the pattern layer 30, and the pattern layer 30 is arranged on the light emitting surface of the light guide plate 20.
An edge surface (not shown) is formed at the edge of the light guide plate 20, and a light emitting surface (not shown) is formed at the side surface of the light guide plate 20, and light is incident from the edge surface of the light guide plate 20 and emitted from the light emitting surface, thereby forming a light guide effect. The LED light source 10 is attached to an edge surface of the light guide plate 20, and is used for forming a light incident surface of the light guide plate 20. In this embodiment, the LED light source 10 is an LED running water light strip.
The light guide plate 20 is an acrylic light guide plate, including: the light guide area 201 and the edge areas 202 disposed at two opposite sides of the light guide area, a plurality of light guide strips 21 distributed in parallel are cut in the light guide area 201, and two opposite ends of each light guide strip 21 are respectively connected with two edge areas 202. Of course, not limited to the present embodiment, in other alternative embodiments, the edge area 202 may be disposed on only one side of the light guiding area 201 of the light guiding plate 20, and then one end of each of the light guiding strips 21 in the light guiding area 201 is connected to the edge area 202.
In order to isolate the light interference between the two adjacent light guide plates 21 and achieve a more uniform lighting effect, a spacing gap 203 is formed between the two adjacent light guide strips 21, and a light blocking layer (not shown) is disposed in each spacing gap 203 for forming a light blocking effect between the two adjacent light guide strips 21. Optionally, the light-blocking layer may be formed in the following manner: the light blocking layer is formed by filling a light blocking material in the space gap 203, or by inserting a light blocking sheet in the space gap 203, which is not limited in the present utility model. It should be appreciated that the light blocking material may be opaque paint or opaque pigment, etc., and the light blocking sheet may be a metal sheet, a plastic sheet, or a sheet of inorganic material.
The LED light source 10 is attached to an edge surface of the edge area 202, and is used for forming a light incident surface of the light guide plate 20. The light of the LED light source 10 enters the light guide plate 20 through the light incident surface, so as to achieve the effect of lighting the light guide plate 20. It should be understood that, in order to reduce the dispersion of the light by the edge region 202, the minimum distance between one end of the spacing slit 203 and the edge surface of the light guide plate is defined as the width of the edge region 202. The width of the edge area 202 should be as small as possible, while the width of the edge area should be as small as possible while ensuring that the light guide plate 20 is still a unitary plate. Preferably, the width of the edge region is 1mm-5mm.
Each luminous point of the LED light source 10 is used to illuminate the corresponding light guide bar 21. When the continuous light strip of the LED light source 10 sequentially lights the corresponding light guide strips 21, the light guide strips 21 sequentially light the areas corresponding to the positions of the pattern layer 30, so that the patterns of the illuminated areas on the pattern layer 30 are sequentially illuminated to form dynamic light so as to dynamically illuminate the pattern layer 30.
For example, the light guide plate 20 is manufactured as follows: dividing an acrylic light guide plate with the length of 1000mm, the width of 400mm and the thickness of 4mm into: two edge regions 202 disposed opposite to each other, and a light guiding region 201 between the two edge regions 202. Each edge region 202 extends in the longitudinal direction and has a width of 3mm, the light guide region 201 has a width of 394mm and a length of 1000mm, and a slit 203 having a width of about 1mm and a length of 394mm is cut by a laser cutter every 5.95mm in the longitudinal direction of the light guide plate 20 in the light guide region 201; after the cutting, 144 parallel light guide strips 21 were formed, each light guide strip 21 having a width of 5.95mm and a length of 394mm were formed. The cutting is stopped when each of the light guide bars 21 is cut to the position of the edge region 202, so that the opposite ends of each of the light guide bars 21 are respectively connected to the two edge regions 202, and thus the light guide plate 20 is also an integral light guide plate, thereby facilitating the assembly of the product.
It should be understood that the light guide plate 20 may be a planar plate or a curved plate, which is not limited in this disclosure, and it is within the scope of the present utility model to adapt to conventional changes made by those skilled in the art for different application scenarios.
The pattern layer 30 is disposed on the light-emitting surface side of the light guide plate 20. When the light emitting of the LED light source 10 lights up the corresponding light guide plate 20, each of the light guide plates 20 illuminates the area corresponding to the position of the pattern layer, so that the pattern of the illuminated area on the pattern layer 30 is illuminated.
The pattern layer 30 includes: the light-transmitting plate 31 and the pattern 32 formed on the light-transmitting plate 31 by spray painting, hand painting, transfer printing or carving, the light-transmitting plate 31 is arranged on the light-emitting surface side of the light-guiding plate 20, and after the light-guiding plate 20 is lightened by the LED light source 10, the light of the light-guiding plate 20 can penetrate through the light-transmitting plate 31 so as to illuminate the pattern 32. However, the light-transmitting plate may be a plate or a film made of a transparent material or a light-transmitting material, which is not limited in the present utility model. In addition, the engraving method for forming the pattern comprises the following steps: the present utility model is not limited to the physical carving method or the laser carving method. Preferably, the pattern formed on the pattern layer 30 is a color pattern. Alternatively, the patterns 32 of the pattern layer 30 may be disposed toward the light guide plate 20, or may be disposed away from the light guide plate 20, which is not limited in the present utility model.
For example, the light-transmitting plate 31 is a light-transmitting stone plate, and an embossment or intaglio pattern is provided on the outer surface of the light-transmitting stone plate; alternatively, the light-transmitting plate 31 is a light-transmitting plate formed by arranging a hollowed pattern on a light-impermeable stone plate and filling a light-transmitting material in the hollowed part;
for another example, the transparent plate 31 is a transparent plastic plate, and the pattern 32 is formed on the surface of the plastic plate by spray painting, hand painting or transfer printing; alternatively, the transparent plate 31 is a glass plate, and the pattern 32 is formed on the surface of the glass plate by spray painting, hand painting or transfer printing.
As shown in fig. 2, a decorative layer 40 is further disposed on the pattern layer 30, and the decorative layer 40 is attached to the light emitting side of the pattern layer 30. The decorative layer 40 is attached to the light emitting side of the pattern layer 30 and is used for shielding the pattern layer 30, and both the pattern layer 30 and the decorative layer 40 have light transmittance. The decorative layer 40 may be formed by spraying paint or paint, a wood grain layer or marble layer by a transfer printing process, or a plating layer by an electroplating process, or a glaze layer by a firing process, which is not limited in the present utility model. It should be appreciated that the width of the pattern layer 30 is generally below 200 microns, so as to facilitate the light transmittance of the pattern when the built-in light source emits light.
When the LED light source 10 emits light, the light of the LED light source 10 lights up the light guide plate 20 and makes the color pattern of the pattern layer 30 appear visible through the decorative layer 40; when the LED light source 10 does not emit light, the decorative layer 40 shields the pattern layer 30 so that the color pattern is not visible.
In order to obtain a richer display effect, the decorative effect may be enriched by changing the color or pattern of the decorative layer 40, for example, the decorative layer 40 may be formed with a pattern corresponding to the same position of the color pattern but different in color; when the LED light source 10 emits light, the light illuminates the color pattern of the pattern layer 30 and causes the color of the color pattern to appear on the pattern of the decorative layer 40. Thus, by providing the decorative layer 40, the light-transmitting decorative painting can provide a richer decorative effect.
That is, the decorative layer 40 may be formed with a black-and-white pattern or a color pattern which is identical to the pattern of the color pattern of the pattern layer 30 and is identical to the pattern of the color pattern. In practice, the pattern color of the decorative layer 40 may be the same as or different from the color pattern of the pattern layer 30 according to actual needs, which is not limited by the present utility model. Alternatively, the decorative layer 40 may incorporate color mixing pigments or decorative particles forming a color pattern or a black and white pattern, the decorative particles comprising: colored particles, aluminum foil, or reflective particles, etc.
For example, if the decorative layer 40 is provided with a black-and-white pattern. When the LED running water lamp strip light source 10 is not lighted, the outermost side presents a black-and-white pattern of the decorative layer 40; when the LED running light belt light source 10 is turned on to sequentially turn on the light guide strips 21 of the light guide plate 20, the black and white pattern of the decorative layer 40 is sequentially colored by the color pattern of the pattern layer 30, so as to form a dynamic color pattern effect.
For example, if the decorative layer 40 is provided with a color pattern, when the LED light source 10 is not lighted, the outermost side presents the color pattern of the decorative layer 40; when the LED running light belt light source 10 is lighted, the color patterns presented at the outermost side are colored by the decorative patterns of the pattern layer 30 in sequence, so as to form a pattern which dynamically presents color superposition.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model 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 to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (10)
1. A light-transmitting decorative painting capable of being uniformly lighted, comprising: the LED light source is used for illuminating the light guide plate, and the pattern layer is arranged on the light emitting surface of the light guide plate;
the LED light source is adhered to the light incident surface of the light guide plate and used for lighting the light guide strips of the light guide plate;
when the LED light sources light the corresponding light guide strips, the light guide strips light the areas corresponding to the positions of the pattern layers, so that the patterns of the illuminated areas on the pattern layers are illuminated.
2. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 1, wherein: and a spacing gap is formed between two adjacent light guide strips, and a light isolation layer is arranged in each spacing gap and used for forming a light isolation effect between the two adjacent light guide strips.
3. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 2, wherein: and filling a light-insulating material into the interval gap to form the light-insulating layer, or inserting a light-insulating sheet into the interval gap to form the light-insulating layer.
4. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 1, wherein: the light guide plate includes: the light guide device comprises a light guide area and edge areas arranged on one side or two opposite sides of the light guide area, wherein a plurality of light guide strips are formed by cutting in the light guide area, one end of each light guide strip is connected with the edge areas, or two opposite ends of each light guide strip are respectively connected with the two edge areas;
the LED light source is attached to the edge surface of the edge area and used for forming the light incident surface of the light guide plate.
5. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 1, wherein: the pattern layer includes: the LED light source comprises a light-transmitting plate and a pattern formed on the light-transmitting plate through spray painting, hand painting, transfer printing or carving, wherein the light-transmitting plate is arranged on the light-emitting surface side of the light-guiding plate, and after the light-guiding plate is lightened by the LED light source, the light of the light-guiding plate can penetrate through the light-transmitting plate so as to illuminate the pattern.
6. The light-transmitting decorative painting capable of being uniformly lightened according to claim 5, wherein: a decorative layer is attached to the light-emitting side of the pattern layer, and the decorative layer is attached to the light-emitting side of the pattern layer and used for shielding the pattern layer; the pattern layer and the decorative layer have light transmittance;
when the LED light source emits light, the light guide plate is lightened to illuminate the pattern layer, and the pattern of the pattern layer is visible through the decorative layer; when the LED light source does not emit light, the decorative layer obscures the pattern layer so that the pattern is not visible.
7. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 6, wherein: the pattern formed by the pattern layer is a color pattern, and the decorative layer is formed with a pattern which is the same as the color pattern of the pattern layer and corresponds to the color pattern in position;
when the LED light source emits light, the light guide plate is lightened to illuminate the color patterns of the pattern layer, and the colors of the color patterns are mapped on the patterns of the decorative layer, so that the patterns show a color effect; when the LED light source does not emit light, the decorative layer shields the pattern layer so that the color pattern is invisible.
8. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 1, wherein: the LED light source is an LED running light strip, and the LED running light strip is attached to the edge surface of the light guide plate and is used for forming the light incident surface of the light guide plate;
when the LED running water lamp strip sequentially lights the light guide strips of the light guide plate, the light guide strips form dynamic light emission so as to dynamically irradiate the pattern layer.
9. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 1, wherein: the light guide plate is made of acrylic material.
10. The light-transmitting decorative painting capable of being uniformly lightened as set forth in claim 1, wherein: the light guide plate is a plane or a curved surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320883583.1U CN219634884U (en) | 2023-04-18 | 2023-04-18 | Light-transmitting decorative picture capable of being uniformly lightened |
| PCT/CN2023/116637 WO2024046480A1 (en) | 2022-09-02 | 2023-09-02 | Light-transmissive decorative structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320883583.1U CN219634884U (en) | 2023-04-18 | 2023-04-18 | Light-transmitting decorative picture capable of being uniformly lightened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219634884U true CN219634884U (en) | 2023-09-05 |
Family
ID=87819770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320883583.1U Active CN219634884U (en) | 2022-09-02 | 2023-04-18 | Light-transmitting decorative picture capable of being uniformly lightened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219634884U (en) |
-
2023
- 2023-04-18 CN CN202320883583.1U patent/CN219634884U/en active Active
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