CN216976629U - High anti-glare down lamp - Google Patents
High anti-glare down lamp Download PDFInfo
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- CN216976629U CN216976629U CN202220895805.7U CN202220895805U CN216976629U CN 216976629 U CN216976629 U CN 216976629U CN 202220895805 U CN202220895805 U CN 202220895805U CN 216976629 U CN216976629 U CN 216976629U
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Abstract
The utility model belongs to the technical field of lighting lamps, and particularly relates to a high anti-glare down lamp which comprises an upper lampshade, a lower lampshade and a lower lampshade, wherein the upper lampshade is used for mounting, fixing and protecting all components in the down lamp; the light source unit is arranged in the upper lampshade and is used for providing illumination brightness and light source divergence; the anti-dazzle lamp cup assembly is hinged to the bottom of the upper lampshade and is used for further dispersing the light source and balancing the brightness difference between the center of the light source and the periphery of the light source so as to achieve the anti-dazzle effect; the anti-dazzle lamp cup component comprises a lamp cup mounting seat hinged to the bottom of the upper lamp shade, an anti-dazzle cup arranged on the lamp cup mounting seat, and a lower lamp shade covered outside the lamp cup mounting seat. The utility model provides a high anti-glare down lamp which can effectively diffuse a light source and balance the brightness difference between the center of the light source and the periphery of the light source so as to achieve the anti-glare effect, has good heat dissipation performance, and is beneficial to improving the maintenance efficiency of the down lamp and saving the cost of the down lamp.
Description
Technical Field
The utility model belongs to the technical field of lighting lamps, and particularly relates to a high anti-glare down lamp.
Background
A down lamp is a commonly used lighting device, which is generally installed on a ceiling or embedded in a wall, and is used to illuminate an object or create a specific lighting atmosphere.
Among the prior art, down lamp is the structural design of the direct projection formula of light source generally, for example: the patent publication No. CN212226844U, the patent name is a down lamp body and a down lamp, and the patent publication No. CN205037185U, the patent name is a down lamp shell and a down lamp, all disclose a down lamp structure of the direct light source type, when people look straight at the light outlet of the down lamp, can generally cause glare because of the brightness difference between the center of the down lamp light source and the periphery of the light source, cause the visual fatigue of people or cause blindness for a short time, and even more, can damage people's eyesight.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides the high anti-dazzle down lamp, which disperses the light source through the anti-dazzle cup assembly hinged at the bottom of the upper lampshade, balances the brightness difference between the center of the light source and the periphery of the light source, and achieves the anti-dazzle effect. The anti-dazzle lamp cup component comprises a lamp cup mounting seat hinged to the bottom of the upper lampshade and an anti-dazzle cup arranged on the lamp cup mounting seat; the anti-dazzle cup can further disperse the light source to balance the brightness difference between the center of the light source and the periphery of the light source, the lamp cup mounting base is hinged to the bottom of the upper lamp cover and can freely rotate for a certain angle around the part connected with the upper lamp cover, the dispersion direction of the cylindrical lamp light source is adjusted, glare caused by the fact that the cylindrical lamp light source directly penetrates the light outlet is effectively reduced, and the purposes of protecting the vision of human eyes and reducing the visual fatigue of the human eyes are achieved.
The technical effect to be achieved by the utility model is realized by the following technical scheme:
the high anti-glare down lamp comprises an illumination assembly, a light source and a control module, wherein the illumination assembly is used for providing illumination brightness and light source divergence; the anti-dazzle lamp cup assembly is arranged at the bottom of the lighting assembly and is used for further dispersing the light source and balancing the brightness difference between the center of the light source and the periphery of the light source so as to achieve the anti-dazzle effect; the lighting assembly comprises an upper lampshade and a light source unit arranged in the upper lampshade; the anti-dazzle lamp cup component comprises a lamp cup mounting base, an anti-dazzle cup and a lower lamp shade, wherein the lamp cup mounting base is hinged to the bottom of the upper lamp shade, the anti-dazzle cup is arranged on the lamp cup mounting base, and the lower lamp shade covers the outer portion of the lamp cup mounting base.
As a preferred scheme, the lamp cup mounting base comprises a mounting base body, lampshade connecting structures symmetrically arranged on the mounting base body and used for being hinged and connected with the upper lampshade, an arc-shaped avoiding notch arranged on the mounting base body and located on one side of a central axis formed by the two lampshade connecting structures, and a light cup limiting protrusion convexly arranged on the inner side wall of the mounting base body and used for limiting the anti-dazzle cup.
As a preferred scheme, the anti-dazzle cup comprises an anti-dazzle cup body used for dispersing a light source and balancing the brightness difference between the center of the light source and the periphery of the light source, and an anti-dazzle cup limiting ring matched with the mounting seat body and the anti-dazzle cup limiting bulge and annularly arranged on the outer side wall of the anti-dazzle cup body.
As a preferable scheme, the anti-glare cup body is an oblique opening light cup structure which is located on one side of a central axis formed by the two lampshade connecting structures and is higher than the other side of the central axis formed by the two lampshade connecting structures.
As one of the preferable schemes, the lower lampshade comprises a cylindrical lower lampshade body, a lower lampshade retainer ring and a transparent protective cover, wherein the cylindrical lower lampshade body is arranged on the outer side wall of the bottom of the cylindrical lower lampshade body and used for preventing the down lamp from moving during installation, and the transparent protective cover is arranged at the bottom of the cylindrical lower lampshade body and used for preventing the down lamp from dust.
As one preferable scheme, the down lamp further comprises a radiator which is arranged at the top of the upper lampshade and used for overall heat dissipation of the down lamp.
As a preferred scheme, the upper lamp cover comprises a cylindrical upper lamp cover body, a heat dissipation connecting structure arranged at the top of the cylindrical upper lamp cover body and used for being connected with a heat sink, and lamp cup connecting structures symmetrically arranged at the bottom of the cylindrical upper lamp cover body and used for being connected with the anti-dazzle lamp cup assembly.
As a preferable scheme, the lamp cup connection structure includes a hinge portion hinged to the antiglare lamp cup assembly, and a limiting portion provided on the hinge portion and used for limiting rotation of the antiglare lamp cup assembly.
As a preferable scheme, the light source unit includes a light cup fixing seat disposed in the upper lamp housing, a light source disposed at the top of the light cup fixing seat and used for providing illumination brightness, and a light reflecting cup corresponding to the light source and disposed in the light cup fixing seat.
As a preferred scheme, the anti-dazzle lamp further comprises an elastic mounting assembly which is arranged on the anti-dazzle lamp cup assembly and used for integrally mounting and fixing the down lamp.
In summary, the utility model has at least the following advantages:
1. according to the high anti-glare down lamp, the light source is diffused by the anti-glare lamp cup assembly hinged to the bottom of the upper lamp cover, and the brightness difference between the center of the light source and the periphery of the light source is balanced, so that the anti-glare effect is achieved, the eyesight of a human can be effectively protected, and the visual fatigue of the human eye can be reduced.
2. According to the high anti-glare down lamp, the radiator is arranged at the top of the upper lamp cover, so that the heat radiation performance of the whole down lamp can be effectively improved.
3. According to the high anti-dazzle down lamp, the upper lamp cover, the radiator, the light source unit and the anti-dazzle lamp cup assembly are all detachable structures, when one part or assembly is damaged, the damaged part or assembly can be directly detached for maintenance or replacement, the overall maintenance efficiency of the down lamp is effectively improved, the whole down lamp does not need to be scrapped due to damage of one part or assembly, and the maintenance and production cost of the down lamp is effectively saved.
Drawings
FIG. 1 is an exploded view of the overall structure of a high anti-glare down lamp in an embodiment of the present invention;
FIG. 2 is a schematic overall structure diagram of a high anti-glare down lamp according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a lamp cup holder according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an antiglare cup in an embodiment of the utility model;
FIG. 5 is a schematic structural diagram of a lower lamp cover in an embodiment of the utility model;
FIG. 6 is a schematic view of a heat sink according to an embodiment of the present invention;
FIG. 7 is a schematic view of the upper lamp cover in the embodiment of the present invention;
fig. 8 is a schematic structural diagram of a light source unit in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The described embodiments are a few embodiments of the utility model, rather than all embodiments.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1:
referring to fig. 1 and 2, the high anti-glare tube light in the present embodiment includes an illumination assembly 10, and an anti-glare cup assembly 20 disposed at the bottom of the illumination assembly 10; wherein the lighting assembly 10 is used for providing the light of the illumination and the divergence of the light source, and the anti-dazzle cup assembly 20 is used for further divergence of the light source and equalizing the brightness difference between the center of the light source and the periphery of the light source, so as to achieve the anti-dazzle effect. Further, the lighting assembly 10 includes an upper lamp cover 100 for fixing and protecting components in the down lamp, a light source unit 300 disposed in the upper lamp cover 100 for providing lighting brightness and light source divergence, and a heat sink 200 disposed on the top of the upper lamp cover 100 for dissipating heat of the down lamp as a whole; the anti-glare lamp cup assembly 20 includes a lamp cup mounting base 400 hinged to the bottom of the upper lamp housing 100, an anti-glare cup 500 installed on the lamp cup mounting base 400 and used for further dispersing the light source, and a lower lamp housing 600 installed outside the lamp cup mounting base 400 and used for integrally installing the down lamp and protecting the lamp cup mounting base 400 and the anti-glare cup 500.
In the high anti-glare down lamp in the embodiment, the anti-glare cup 500 can further disperse the light source 320 to balance the brightness difference between the center of the light source 320 and the periphery of the light source 320, so that the anti-glare effect of the down lamp is effectively improved; and the lamp cup mounting base 400 is hinged with the bottom of the upper lamp shade 100, the lamp cup mounting base 400 can freely rotate for a certain angle around the part connected with the upper lamp shade 100 to adjust the divergence direction of the tube lamp light source, thereby effectively reducing glare caused by the direct projection of the tube lamp light source to the light outlet, and achieving the purposes of protecting the vision of human eyes and reducing the visual fatigue of human eyes. In addition, the radiator 130 arranged at the top of the upper lampshade 100 can effectively improve the overall radiating performance of the down lamp.
Example 2:
the high anti-glare down lamp in this embodiment further designs the anti-glare lamp cup assembly 20 on the basis of embodiment 1:
referring to fig. 3, the lamp cup mounting base 400 includes a mounting base body 410, lampshade connecting structures 420 symmetrically disposed on the mounting base body 410 and used for being hinged to the upper lampshade 100, an arc-shaped avoiding notch 430 disposed on the mounting base body 410 and located on one side of a central axis formed by the two lampshade connecting structures 420, and a light cup limiting protrusion 440 protruding on an inner side wall of the mounting base body 410 and used for limiting the anti-glare cup 500. Preferably, the arc avoiding notch 430 is higher on one side of the central axis formed by the adjacent two lampshade connecting structures 420 and lower on one side of the central axis formed by the far away two lampshade connecting structures 420; the light cup limiting protrusions 440 are uniformly arranged on the inner side wall of the mounting seat body 410, and the number of the light cup limiting protrusions is at least 2.
Referring to fig. 4, the anti-glare cup 500 includes an anti-glare cup body 510 for diverging the light source 320, equalizing the brightness difference between the center of the light source 320 and the periphery of the light source 320, and an anti-glare cup retaining ring 520 fitted to the mounting base body 410 and the anti-glare cup retaining protrusion 440 and disposed around the outer sidewall of the anti-glare cup body 510. Preferably, the anti-glare cup body 510 is a bevel-opening light cup structure located on one side of the central axis formed by the two lampshade connecting structures 420 and located on the other side of the central axis formed by the two lampshade connecting structures 420; the light cup limiting ring 520 is a flat limiting ring structure with a limiting groove 501 matched with the light cup limiting protrusion 440 on the edge.
Referring to fig. 5, the lower lamp cover 600 includes a cylindrical lower lamp cover body 610 covering the lamp cup holder 400 for integrally mounting the downlight and protecting the lamp cup holder 400 and the anti-glare cup 500, a lower lamp cover retaining ring 620 disposed on the outer sidewall of the bottom of the cylindrical lower lamp cover body 610 for preventing the downlight from being displaced into the ceiling or the wall when the downlight is mounted, and a transparent protective cover 630 disposed at the bottom of the cylindrical lower lamp cover body 610 for preventing the downlight from being dustproof. Preferably, the transparent shield 630 is a glass shield or an acryl shield having good light transmittance.
In the high anti-glare down lamp in the embodiment, the anti-glare cup 500 can further diffuse the light source 320 to balance the brightness difference between the center of the light source 320 and the periphery of the light source 320, so that the anti-glare effect of the down lamp is effectively improved; and the lamp cup mounting base 400 and the anti-glare cup 500 are both designed to be positioned on one side of the central axis formed by the two lampshade connecting structures 420 and to be positioned on the other side of the central axis formed by the two lampshade connecting structures 420 and to be lower than the other side of the central axis formed by the two lampshade connecting structures 420, when the lamp cup mounting base 400 is hinged on the lamp shade 100, the whole anti-glare lamp cup assembly 20 can freely rotate around the central axis formed by the two lampshade connecting structures 420 to be lower than one side of the central axis formed by the two lampshade connecting structures 420 so as to adjust the divergence direction of the cylindrical lamp light source, thereby effectively reducing glare caused by the direct light outlet of the cylindrical lamp light source, and achieving the purposes of protecting the eyesight of human eyes and reducing the visual fatigue of human eyes.
Example 3:
referring to fig. 1-5, the high anti-glare tube light of the present embodiment is further designed with the lighting assembly 10 based on embodiment 1 or 2:
referring to fig. 6, the heat sink 200 includes a heat sink base 210 connected to the top of the upper lamp housing 100, and a heat sink fin 220 protruding from the upper surface of the heat sink base 210 for transferring and dissipating heat in the down lamp; preferably, the heat dissipation fins 220 are disposed on the upper surface of the heat dissipation base 210 side by side at intervals, and the distance between two adjacent heat dissipation fins 220 is not less than 1 mm.
Referring to fig. 7, the upper lamp cover 100 includes a cylindrical upper lamp cover body 110, a heat dissipation connecting structure 120 disposed on the top of the cylindrical upper lamp cover body 110 for connecting with the heat sink 200, and a lamp cup connecting structure 130 symmetrically disposed on the bottom of the cylindrical upper lamp cover body 110 for connecting with the lamp cup mounting base 400. Preferably, the heat sink 200 is connected with the upper lamp housing 100 as one body by screws, that is: the heat sink base 210 is formed with a connection hole 201, the heat sink connection structure 120 is a convex rib structure protruding from the sidewall of the cylindrical upper lampshade body 110 and having a threaded hole 101 at the top, and when a screw passes through the connection hole 201 and connects with the threaded hole 101, the heat sink 200 can be connected to the upper lampshade 100. Preferably, the lamp cup connection structure 130 includes a hinge portion 131 connected to the lamp cup mounting base 400 in a hinged manner, and a limiting portion 132 disposed on the hinge portion 131 and used for limiting the rotation of the lamp cup mounting base 400, where the limiting portion 132 can effectively prevent the antiglare lamp cup assembly 20 from rotating toward the side where the arc avoiding notch 430 is not formed, so as to prevent the antiglare lamp cup assembly 20 from being worn due to interference with the upper lamp cover 100.
Referring to fig. 8, the light source unit 300 includes a light cup holder 310 disposed in the upper lamp housing 100, a light source 320 disposed on the top of the light cup holder 310 for providing illumination light, and a reflective cup 330 disposed in the light cup holder 310 and corresponding to the light source 320. The light reflecting cup 330 is used for diverging the light source 320 and optimizing the down lamp anti-glare effect, and preferably, the light reflecting cup 330 comprises a light reflecting cup body 331 and a light reflecting cup connecting structure 332 arranged at the top of the light reflecting cup body 331 and used for being connected with the light cup fixing seat 310; further preferably, the reflective cup body 331 is a truncated cone structure with open top and bottom end faces. The light cup fixing base 310 is matched with the upper lamp shade 100 and used for installing and fixing the light source 320 and the reflecting cup 330; preferably, the light cup fixing base 310 is a circular truncated cone structure with a structure similar to that of the light reflecting cup 330, a mounting groove 311 matched with the light source 320 is formed in the top of the light cup fixing base, and the bottom of the light cup fixing base is open. The light source 320 is preferably an LED light source.
Example 4:
referring to fig. 1-8, the high anti-glare tube light in this embodiment includes the lighting assembly 10 and the anti-glare cup assembly 20 described in any one of embodiments 1-3, and the main differences are:
the high anti-dazzle down lamp in the embodiment further comprises an elastic mounting assembly 700 which is arranged on the anti-dazzle cup assembly 20 and used for integrally mounting and fixing the down lamp; preferably, the elastic mounting assembly 700 is a spring clip fastening mounting assembly or a snap clip fastening mounting assembly disposed on both sides of the cylindrical lower lamp housing body 610; and when the elastic mounting assembly 700 is a spring clip chucking mounting assembly, the spring clip chucking mounting assembly is designed to be axisymmetrical with respect to the axial direction of the cylindrical lower lampshade body 610, and when the elastic mounting assembly 700 is a snap clip chucking mounting assembly, the snap clip chucking mounting assembly is designed to be axisymmetrical with respect to the axial direction of the cylindrical lower lampshade body 610.
According to the technical scheme of the embodiment, the high anti-glare down lamp provided by the utility model can effectively diffuse the light source and balance the brightness difference between the center of the light source and the periphery of the light source so as to achieve the anti-glare effect, has good heat dissipation performance, and is beneficial to improving the maintenance efficiency of the down lamp and saving the cost of the down lamp.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (10)
1. A high anti-glare down lamp, comprising:
an illumination assembly for providing illumination and divergence of the light source;
the anti-dazzle lamp cup component is arranged at the bottom of the lighting component and is used for further dispersing the light source and balancing the brightness difference between the center of the light source and the periphery of the light source so as to achieve the anti-dazzle effect; the lighting assembly comprises an upper lampshade and a light source unit arranged in the upper lampshade;
the anti-dazzle lamp cup component comprises a lamp cup mounting base, an anti-dazzle cup and a lower lamp shade, wherein the lamp cup mounting base is hinged to the bottom of the upper lamp shade, the anti-dazzle cup is arranged on the lamp cup mounting base, and the lower lamp shade covers the outer portion of the lamp cup mounting base.
2. The high anti-glare down lamp according to claim 1, wherein the lamp cup mounting base comprises a mounting base body, lamp shade connecting structures symmetrically arranged on the mounting base body and used for being hinged to the upper lamp shade, an arc-shaped avoiding notch arranged on the mounting base body and located on one side of a central axis formed by the two lamp shade connecting structures, and a light cup limiting protrusion convexly arranged on an inner side wall of the mounting base body and used for limiting the anti-glare cup.
3. The high anti-dazzle down lamp of claim 1, wherein the anti-dazzle cup comprises an anti-dazzle cup body for dispersing the light source, balancing the brightness difference between the center of the light source and the periphery of the light source, and an anti-dazzle cup limiting ring matched with the mounting seat body and the anti-dazzle cup limiting protrusion and annularly arranged on the outer side wall of the anti-dazzle cup body.
4. The anti-glare down lamp according to claim 3, wherein the anti-glare cup body is an inclined-opening light cup structure which is located on one side of a central axis formed by the two lampshade connecting structures and is higher than the other side of the central axis formed by the two lampshade connecting structures.
5. The high anti-glare down lamp according to claim 1, wherein the lower lamp shade comprises a cylindrical lower lamp shade body which is covered outside the lamp cup mounting seat and used for overall installation of the down lamp and protecting the lamp cup mounting seat and the anti-glare cup, a lower lamp shade retainer ring which is arranged on the outer side wall of the bottom of the cylindrical lower lamp shade body and used for preventing the down lamp from being displaced during installation, and a transparent protective cover which is arranged at the bottom of the cylindrical lower lamp shade body and used for dust prevention of the down lamp.
6. The highly anti-glare down lamp according to claim 1, wherein the lighting assembly further comprises a heat sink arranged on the top of the upper lamp cover and used for overall heat dissipation of the down lamp.
7. The high anti-glare down lamp according to claim 1, wherein the upper lamp shade comprises a cylindrical upper lamp shade body, a heat dissipation connecting structure arranged at the top of the cylindrical upper lamp shade body and used for being connected with a heat sink, and lamp cup connecting structures symmetrically arranged at the bottom of the cylindrical upper lamp shade body and used for being connected with the anti-glare lamp cup assembly.
8. The highly anti-glare down lamp according to claim 7, wherein the lamp cup connection structure comprises a hinge part which is hinged to the anti-glare lamp cup assembly, and a limiting part which is arranged on the hinge part and used for limiting the rotation of the anti-glare lamp cup assembly.
9. The high anti-glare down lamp according to claim 1, wherein the light source unit comprises a light cup holder disposed in the upper lamp housing, a light source disposed on top of the light cup holder for providing illumination, and a light reflecting cup corresponding to the light source and disposed in the light cup holder.
10. The high anti-glare down lamp according to claim 1, further comprising an elastic mounting assembly arranged on the anti-glare cup assembly and used for overall installation and fixation of the down lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895805.7U CN216976629U (en) | 2022-04-18 | 2022-04-18 | High anti-glare down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895805.7U CN216976629U (en) | 2022-04-18 | 2022-04-18 | High anti-glare down lamp |
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| Publication Number | Publication Date |
|---|---|
| CN216976629U true CN216976629U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220895805.7U Active CN216976629U (en) | 2022-04-18 | 2022-04-18 | High anti-glare down lamp |
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| Country | Link |
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| CN (1) | CN216976629U (en) |
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2022
- 2022-04-18 CN CN202220895805.7U patent/CN216976629U/en active Active
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