CN213362149U - Surface ring grounding structure - Google Patents
Surface ring grounding structure Download PDFInfo
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- CN213362149U CN213362149U CN202021974314.9U CN202021974314U CN213362149U CN 213362149 U CN213362149 U CN 213362149U CN 202021974314 U CN202021974314 U CN 202021974314U CN 213362149 U CN213362149 U CN 213362149U
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Abstract
The utility model provides a surface ring grounding structure, belonging to the technical field of lighting lamps, comprising a surface ring, a paint scraping gasket, a grounding piece and a connecting piece, wherein the surface ring is provided with a connecting part which is provided with a first connecting hole; the upper surface of the paint scraping gasket, which is attached to the connecting part, is provided with a raised scraping part, and the paint scraping gasket is provided with a second communicating hole; the grounding piece and the paint scraping gasket are respectively arranged on the upper surface and the lower surface of the connecting part, and the grounding piece is provided with a third communicating hole; the connecting piece penetrates through the second communication hole, the first communication hole and the third communication hole in sequence to connect the paint scraping gasket, the surface ring and the grounding piece together; when the connecting piece is connected, the scraping part of the paint scraping gasket scrapes the insulating paint of the connecting part, and the surface ring is grounded with the grounding piece through the paint scraping gasket and the connecting piece. The utility model provides a face ring ground structure only needs to rotate when the equipment scrape the lacquer gasket can, need not to adopt professional instrument to get rid of the insulating varnish on face ring surface, and the equipment is simple and convenient, and labour saving and time saving, and can guarantee the good ground connection of face ring, reduce the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the illumination lamps and lanterns, more specifically say, relate to a face ring ground structure.
Background
The down lamp is a lighting lamp embedded in a ceiling and emitting light downwards, and is generally used in hotels, families, coffee shops and other occasions. The ceiling lamp has the greatest characteristic of keeping the whole unity of architectural decoration, and the unity of ceiling art cannot be damaged due to the arrangement of the lamp. The concealed lamp embedded in the ceiling projects all light downwards, belongs to direct light distribution, and can obtain different light effects by using different reflectors, lenses, shutters, bulbs and the like. The down lamp does not occupy space, can increase the soft atmosphere of space, can be provided with a plurality of down lamps, and reduces the space oppression sense.
Because the face ring of down lamp is the metal material, for avoiding the potential safety hazard, the down lamp needs ground connection to handle. At present, a layer of thin insulating paint is arranged on the surface of a face ring of a down lamp and is directly connected with the ground, so that the effect of grounding cannot be achieved; the insulating paint at the connecting part needs to be removed in advance, and then the grounding connection is carried out, so that the assembly is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a face ring ground structure aims at solving current down lamp equipment ground connection and wastes time and energy, and the insecure problem of ground connection.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a face ring ground structure including: the paint scraper comprises a surface ring, a paint scraping gasket, a grounding piece and a connecting piece, wherein the surface ring is provided with a connecting part, and the connecting part is provided with a first connecting through hole; the upper surface of the paint scraping gasket, which is attached to the connecting part, is provided with a raised scraping part, and the paint scraping gasket is provided with a second communicating hole; the grounding piece and the paint scraping gasket are respectively arranged on the upper surface and the lower surface of the connecting part, and the grounding piece is provided with a third communicating hole; the connecting piece penetrates through the second communication hole, the first communication hole and the third communication hole in sequence to connect the paint scraping gasket, the surface ring and the grounding piece together; when the connecting piece is connected, the scraping part of the paint scraping gasket scrapes the insulating paint of the connecting part, and the surface ring is grounded through the paint scraping gasket, the connecting piece and the grounding piece.
As another embodiment of the present application, the scraping portion is a wave-shaped curved surface on the upper surface of the paint scraping pad in the circumferential direction.
As another embodiment of this application, be equipped with the wave curved surface along the circumferencial direction in the lower surface of scraping paint shim, the crest and the trough dislocation set of the wave curved surface of scraping paint shim lower surface.
As another embodiment of the present application, the height of the upper surface of the scraping pad from the wave crest to the wave trough thereof is greater than the height of the lower surface of the scraping pad from the wave crest to the wave trough thereof.
As another embodiment of the present application, the curvature of the peak of the upper surface of the paint scraping shim is less than the curvature of the valley thereof.
As another embodiment of the present application, a fitting plane is provided between the upper surface and the lower surface of the paint scraping pad, the scraping portion is provided at an outer periphery of the fitting plane, and the second communication hole is provided at a center of the fitting plane.
As another embodiment of the application, the wave crests and the wave troughs of the upper surface and the lower surface of the paint scraping gasket are convex or concave by taking the matching planes where the wave crests and the wave troughs are respectively located as reference surfaces to form a wavy curved surface.
As another embodiment of the application, a gasket is arranged between the paint scraping gasket and the connecting part of the surface ring.
As another embodiment of the present application, an outer circumference of the gasket does not protrude beyond an outer circumference of the fitting plane.
As another embodiment of the present application, the connecting member is a bolt or a rivet.
The utility model provides a face ring ground structure's beneficial effect lies in: compared with the prior art, the utility model discloses face ring ground structure, because it is equipped with scrapes broken portion to scrape the lacquer gasket, scrape the lacquer gasket except having the effect of ordinary gasket backstop and adjustment, it is main when scraping the lacquer gasket, face ring and ground connection piece equipment, the rotatory lacquer gasket of scraping of lower surface through hugging closely the face ring, scrape the insulating paint on face ring surface can be scraped to the broken portion of scraping the lacquer gasket, the face ring can be through scraping the lacquer gasket, the connecting piece realizes with ground connection piece that ground connection links to each other, and is easy to operate, need not extra process and can realize the ground connection of whole lamp. When a hand touches the face ring, no electric shock occurs, and the safety and the reliability of the product are improved.
The utility model discloses a scrape the lacquer gasket, only need rotate when the equipment scrape the lacquer gasket can, need not to adopt professional instrument to get rid of the insulated paint on face ring surface, the equipment is simple and convenient, labour saving and time saving, and can guarantee the good ground connection of face ring, reduces the potential safety hazard.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an exploded schematic view of a down lamp with a rotatable elastic sheet according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a down lamp with a rotatable elastic piece according to an embodiment of the present invention;
fig. 3 is a schematic view of a top view structure of a down lamp with a rotatable elastic sheet according to an embodiment of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic view of a three-dimensional structure of a down lamp with a rotatable elastic sheet and an upper cover removed according to an embodiment of the present invention;
FIG. 6 is a schematic top view of the downlight with the rotatable elastic sheet in FIG. 5;
FIG. 7 is a schematic bottom view of the downlight with the rotatable spring plate shown in FIG. 6 (with the light-transmitting plate and the light-reflecting cup removed);
FIG. 8 is a sectional view taken along line B-B of FIG. 7;
FIG. 9 is an enlarged view of a portion of FIG. 7 at D;
FIG. 10 is an enlarged view of a portion of FIG. 8 at E;
FIG. 11 is a schematic bottom view of the downlight with the rotatable spring plate shown in FIG. 6 (with the light-transmitting plate and the light-reflecting cup removed);
FIG. 12 is a sectional structural view taken along line C-C in FIG. 11;
FIG. 13 is an enlarged view of a portion of FIG. 12 at F;
FIG. 14 is a perspective view of the face ring of FIG. 5;
FIG. 15 is a bottom view of the face ring of FIG. 14;
FIG. 16 is a first perspective view of the wiper pad of FIG. 15;
FIG. 17 is a second perspective view of the wiper pad of FIG. 15;
FIG. 18 is a front view of the paint scraping pad of FIG. 15;
FIG. 19 is a view of the connection of the spring plate and the paint wiper pad shown in FIG. 14;
FIG. 20 is a view of the spring plate of FIG. 19 shown in connection with the wiper pad removed;
FIG. 21 is a first perspective view of the upper cover shown in FIG. 1;
FIG. 22 is a second perspective view of the upper cover shown in FIG. 1;
fig. 23 is a bottom view of the upper cover shown in fig. 1.
In the figure: 1. a light-transmitting plate; 2. a light reflecting cup; 3. a face ring; 31. a connecting portion; 32. a jack; 33. a first communication hole; 34. a limiting bump; 4. a light source plate; 41. a notch; 5. a ground member; 51. reinforcing ribs; 6. a drive plate; 7. an upper cover; 71. a lock section; 72. a guide groove; 73. a second internally threaded post; 74. reinforcing ribs; 75. a first internally threaded post; 8. a connecting member; 9. a non-return structure; 10. a screw; 11. scraping a paint gasket; 111. a mating plane; 112. a scraping part; 113. a second communication hole.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 20, the grounding structure of the face ring 3 according to the present invention will be described. The surface ring 3 grounding structure comprises a surface ring 3, a paint scraping gasket 11, a grounding piece 5 and a connecting piece 8, wherein the surface ring 3 is provided with a connecting part 31, and the connecting part 31 is provided with a first connecting through hole 33; the upper surface of the paint scraping gasket 11, which is attached to the connecting part 31, is provided with a raised scraping part 112, and the paint scraping gasket 11 is provided with a second communicating hole 113; the grounding piece 5 and the paint scraping gasket 11 are respectively arranged on the upper surface and the lower surface of the connecting part 31, and the grounding piece 5 is provided with a third communicating hole; the connecting piece 8 sequentially penetrates through the second communication hole 113, the first communication hole 33 and the third communication hole to connect the paint scraping gasket 11, the face ring 3 and the grounding piece 5 together; when the connection is performed, the scraping part 112 of the paint scraping gasket 11 scrapes the insulating paint of the connecting part 31, and the face ring 3 is grounded with the grounding piece 5 through the paint scraping gasket 11 and the connecting piece 8.
The utility model provides a face ring 3 ground structure, compared with the prior art, because scrape lacquer gasket 11 and be equipped with scraping portion 112, scrape lacquer gasket 11 except having the effect of ordinary gasket backstop and adjustment, it is main at scraping lacquer gasket 11, when face ring 3 assembles with ground connection piece 5, scrape lacquer gasket 11 through the rotation of the lower surface of hugging closely face ring 3, scrape the insulating varnish on broken face ring 3 surface can be scraped to scraping portion 112 of lacquer gasket 11, face ring 3 can be through scraping lacquer gasket 11, connecting piece 8 realizes with ground connection piece 5 that ground connection links to each other, can realize whole lamp ground connection, therefore, the steam generator is simple in operation, need not extra process, when the hand contacts face ring, the electric shock can not take place, the security and the reliability of product are improved.
Because the surface of the face ring 3 is provided with the insulating paint, although the face ring 3 is directly pressed and connected with the grounding piece 5 through the connecting piece 8, the face ring 3 cannot be directly grounded with the grounding piece 5, if the face ring 3 and the grounding piece 5 are directly grounded, the insulating paint on the corresponding part of the surface of the face ring 3 needs to be scraped, and the processing of tools and time is needed. Since the thickness of the face ring 3 and the grounding piece 5 is relatively thin, the communicating hole cannot be provided with threads, and the connecting piece 8 and the communicating hole are in clearance fit, the connecting piece 8 may not be in direct contact with the face ring 3, or may be in poor contact, and good grounding cannot be achieved.
The utility model discloses a scrape lacquer gasket 11, only need rotate when the equipment scrape lacquer gasket 11 can, need not to adopt professional instrument to get rid of the insulating varnish on face ring 3 surface, the equipment is simple and convenient, labour saving and time saving, and can guarantee the good ground connection of face ring 3, reduces the potential safety hazard.
As a specific embodiment of the grounding structure of the face ring 3 of the present invention, please refer to fig. 16 to 19, the scraping portion 112 is a wave-shaped curved surface on the upper surface of the paint scraping pad 11 along the circumferential direction. The wave crest is the scraping part 112 for scraping, the wavy curved surface has a plurality of wave crests, and when the paint scraping gasket 11 rotates, a circle of insulating paint of the surface ring 3 can be effectively removed, so that reliable grounding connection is realized.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 16 to 19, a wave-shaped curved surface is arranged on the lower surface of the paint scraping pad 11 along the circumferential direction, and the wave crest and the wave trough of the wave-shaped curved surface on the lower surface of the paint scraping pad 11 are arranged in a staggered manner. The upper surface and the lower surface of the paint scraping gasket 11 are both provided with the wave-shaped curved surfaces, and the wave crest of the upper surface is the wave trough of the lower surface, so that the paint scraping gasket 11 is simple to manufacture.
Referring to fig. 16 to 19, the wave height from the peak of the upper surface of the scraping pad 11 to the trough thereof is greater than the wave height from the peak of the lower surface of the scraping pad 11 to the trough thereof. The embodiment has the advantages that the wave crest as the scraping part is sharper, the wave height is higher, and a good scraping effect can be achieved; the lower surface of the wiping pad 11 does not need to have a wiping effect, so that the peaks do not have to be too sharp.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 16 to 18, the radian of the wave peak of the upper surface of the paint scraping pad 11 is smaller than the radian of the wave trough. Similarly, the radian of the upper surface of the paint scraping gasket 11 is small, and the wave crest is sharp, so that the insulating paint can be scraped.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 16 to 17, a matching plane 111 is disposed between the upper surface and the lower surface of the paint scraping pad 11, the scraping portion 112 is disposed at the periphery of the matching plane 111, and the second communication hole 113 is disposed at the center of the matching plane 111. The arrangement of the matching plane 111 facilitates the attachment of the connecting member 8 to the matching plane 111, so that the components can be tightly connected.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 16 to 17, the wave crests and the wave troughs of the upper surface and the lower surface of the paint scraping pad 11 are respectively formed into a wave-shaped curved surface by taking the matching plane 111 where the wave crests and the wave troughs are respectively located as a reference surface and protruding upward or recessed downward. It is explained here that the mating plane 111 does not protrude beyond the respective wave crest, and when the connecting member 8 is attached to the mating plane 111, the outer end of the connecting member 8 is not exposed outside the wave crest, which is also a protection for the connecting member 8.
As a specific embodiment of the present invention, a gasket (not shown in the figure) is further provided between the paint scraping pad 11 and the connecting portion 31 of the face ring 3. The gasket can fill the gap between the connecting part 31 and the paint scraping gasket 11 caused by the wave crest protrusion, and the reliability of the connection between the paint scraping gasket 11 and the face ring 3 is improved.
As a specific implementation of the embodiments of the present invention, the periphery of the gasket does not protrude beyond the periphery of the mating plane 111. The gasket does not interfere with the scraping function of the paint scraper pad 11.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 8 and 12, fig. 19 and 20, in which the connecting member 8 is a bolt or a rivet.
The embodiment also provides a down lamp, referring to fig. 1 to 23, which includes an upper cover 7, a face ring 3, a light source plate 4, a spring plate, a paint scraping gasket 11, a reflective cup 2 and a light transmitting plate 1, wherein a driving plate 6 and a wiring terminal are installed in the upper cover 7, and a guide groove 72 is arranged at the lower end of the upper cover 7; the surface ring 3 is provided with a connecting part 31, and the upper cover 7 is fixed on the upper surface of the connecting part 31; the light source plate 4 is fixed on the upper surface of the connecting part 31 through the upper cover 7, and the connecting part 31 is provided with a light hole; at least two elastic sheets are used for being clamped with the mounting cylinder, and one end of each elastic sheet is mounted on the upper surface of the connecting part 31 through a rotating shaft; the free end of the elastic sheet extends out of the corresponding guide groove 72, and when the upper cover 7 is rotated, the elastic sheet is driven to be folded towards the upper cover 7 along the guide groove 72, so that the free end of the elastic sheet is separated from the mounting cylinder; the paint scraping gasket 11 is arranged on the lower surface of the face ring 3, and a scraping part 112 is arranged on the paint scraping gasket 11; the rotating shaft sequentially penetrates through the paint scraping gasket 11, the connecting part 31 and the elastic sheet to connect the paint scraping gasket 11, the face ring 3 and the elastic sheet together; the reflecting cup 2 is arranged in the surface ring 3 and surrounds the periphery of the lamp bead of the light source plate 4; the light-transmitting plate 1 is arranged at a light outlet of the face ring 3, and the light-reflecting cup 2 is limited in the face ring 3 through the light-transmitting plate 1.
After the whole lamp of down lamp was installed in an installation section of thick bamboo, the shell fragment can play fixed effect with installation section of thick bamboo wall joint, when needs are dismantled, only needs to rotate the down lamp, makes the shell fragment draw close to the lamp body along guide way 72, and the free end and the installation section of thick bamboo wall separation of shell fragment can take out the down lamp, dismantle simple and conveniently.
In the down lamp in the embodiment, the grounding piece 5 and the elastic sheet are integrated into a whole and are a component, and the surface ring 3 can be grounded through the elastic sheet.
In this embodiment, referring to fig. 8 and 12, 19 and 20, three spring plates are provided as the clamping function, and the paint scraping pad 11 is provided to scrape the insulating paint on the surface of the face ring 3 to achieve the grounding function, so that the paint scraping pad 11 is provided on one of the spring plates, and all the spring plates are not required to be provided. Other spring plates are only required to be provided with common gaskets.
The utility model provides a down lamp please refer to fig. 21 to 23, and the inner wall of upper cover 7 is equipped with first internal thread post 75, and upper cover 7 passes through screw 10 and face ring 3 fixed connection. Because the upper cover 7 of down lamp and face ring 3 thickness all are thinner, set up first internal thread post 75, also play the effect of strengthening to upper cover 7, also can improve the intensity that upper cover 7 and face ring 3 are connected.
In this embodiment, the outer surface of the first internally threaded post 75 is further provided with a reinforcing rib 74 along the axial direction thereof, which improves the coupling strength of the first internally threaded post 75 and also improves the coupling strength of the upper cover 7 and the face ring 3.
Referring to fig. 21 to 23, the inner wall of the upper cover 7 is further provided with a second internal threaded post 73, and the driving plate 6 is fixedly connected with the upper cover 7 through a screw 10. The second internal threaded columns 73 also play a role in reinforcing the connection of the driving board 6 and also limit the position of the driving board 6, wherein the length of the second internal threaded columns 73 is shorter than that of the first internal threaded columns 75, so that a certain distance is reserved between the driving board 6 and the light source board 4, and the heat dissipation effect is improved. Wherein the connection terminals are mounted on the driving board 6. The first and second internally threaded columns 75 and 73 are spaced apart.
In order to increase the strength of the upper cover 7, other reinforcing ribs 74 are provided inside the upper cover 7.
Referring to fig. 1, 5 to 7, 11, 14, 15, 21 to 23, protruding locking portions 71 are symmetrically disposed at the lower end of the upper cover 7, the connecting portion 31 is disposed with an insertion hole 32 into which the locking portion 71 extends, the light source plate 4 is disposed with a notch 41 through which the locking portion 71 passes, the locking portion 71 of the upper cover 7 passes through the notch 41 and is inserted into the insertion hole 32, so as to lock the light source plate 4 on the connecting portion 31. Wherein, be equipped with the step on locking portion 71, locking portion 71 inserts light source board 4, and the step supports the top on light source board 4, and light source board 4 need not other connecting piece 8 and connects, can the restricted position, also makes the equipment and dismantles the change simple and convenient.
Referring to fig. 5 to 15, in order to prevent the elastic piece from reversely rotating, a check structure 9 for preventing the elastic piece from reversely rotating is disposed on the connection portion 31. The non-return structure 9 is a bump arranged on the connecting part 31 or a pin arranged on the connecting part 31; when the elastic sheet is in a free state, the non-return structure 9 is tangent to the elastic sheet. Through the contrary structure 9 that ends that sets up, avoid the shell fragment reverse rotation.
Referring to fig. 1 to 15 and 19 to 20, the elastic sheet is a bending member, and the bending portion thereof is bent downward. When the down lamp is installed, the upper cover 7 of the down lamp enters the installation cylinder first, so that the elastic sheet is squeezed and clamped by the inner wall of the installation cylinder conveniently.
In this embodiment, referring to fig. 1 to 15 and 19 to 20, in order to improve the elasticity of the elastic sheet, a reinforcing rib 51 is disposed under the bent portion.
In this embodiment, referring to fig. 8 and 12, the inner wall of the face ring 3 is further provided with a plurality of limiting bumps 34, the light-transmitting plate 1 is stopped on the limiting bumps 34, and the light-reflecting cup 2 is pressed on the connecting portion 31 of the face ring 3 or the light source plate 4.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Face ring ground structure, its characterized in that includes:
the surface ring is provided with a connecting part, and the connecting part is provided with a first connecting through hole;
the upper surface of the paint scraping gasket, which is attached to the connecting part, is provided with a raised scraping part, and the paint scraping gasket is provided with a second communicating hole;
the grounding piece and the paint scraping gasket are respectively arranged on the upper surface and the lower surface of the connecting part, and the grounding piece is provided with a third communicating hole; and
the connecting piece sequentially penetrates through the second communication hole, the first communication hole and the third communication hole to connect the paint scraping gasket, the surface ring and the grounding piece together;
when the connecting piece is connected, the scraping part of the paint scraping gasket scrapes the insulating paint of the connecting part, and the surface ring is grounded through the paint scraping gasket, the connecting piece and the grounding piece.
2. The surface ring ground structure of claim 1, wherein said scraping portion is formed as a wave-shaped curved surface in a circumferential direction on an upper surface of said paint scraping pad.
3. The surface ring ground structure of claim 2, wherein a wave-shaped curved surface is provided on the lower surface of the wiper pad in the circumferential direction, and peaks and valleys of the wave-shaped curved surface on the lower surface and the upper surface of the wiper pad are arranged in a staggered manner.
4. The ground structure of claim 3, wherein the height of the upper surface of said wiper pad from the peak to the valley thereof is greater than the height of the lower surface of said wiper pad from the peak to the valley thereof.
5. The face ring ground structure of claim 2, wherein the curvature of the peaks of the upper surface of said doctor blade pad is less than the curvature of the valleys thereof.
6. The surface ring ground structure according to claim 2, wherein a fitting plane is provided between the upper surface and the lower surface of the paint scraping spacer, the scraping portion is provided on an outer periphery of the fitting plane, and the second communication hole is provided at a center of the fitting plane.
7. The surface ring ground structure of claim 6, wherein the wave crests and the wave troughs of the upper surface and the lower surface of the paint scraping pad are convex or concave with respect to the mating plane, respectively, to form a wave-shaped curved surface.
8. The face ring ground structure of claim 6, wherein a gasket is further provided between said wiper pad and said face ring connection.
9. The face ring ground structure of claim 8, wherein an outer periphery of said washer does not protrude beyond an outer periphery of said mating plane.
10. The face ring ground structure of claim 1, wherein the connector is a bolt or a rivet.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021974314.9U CN213362149U (en) | 2020-09-10 | 2020-09-10 | Surface ring grounding structure |
| US17/470,922 US11732852B2 (en) | 2020-09-09 | 2021-09-09 | Downlight apparatus |
| US17/470,968 US11725787B2 (en) | 2020-09-09 | 2021-09-09 | Downlight apparatus |
| US17/471,042 US11761596B2 (en) | 2020-09-09 | 2021-09-09 | Downlight apparatus |
| US17/470,939 US11566760B2 (en) | 2020-09-09 | 2021-09-09 | Downlight apparatus |
| US18/071,971 US11846402B2 (en) | 2020-09-09 | 2022-11-30 | Downlight apparatus |
| US18/212,759 US20240003507A1 (en) | 2020-09-09 | 2023-06-22 | Downlight apparatus |
| US18/216,294 US20230349520A1 (en) | 2020-09-09 | 2023-06-29 | Downlight apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021974314.9U CN213362149U (en) | 2020-09-10 | 2020-09-10 | Surface ring grounding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213362149U true CN213362149U (en) | 2021-06-04 |
Family
ID=76151215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021974314.9U Active CN213362149U (en) | 2020-09-09 | 2020-09-10 | Surface ring grounding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213362149U (en) |
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2020
- 2020-09-10 CN CN202021974314.9U patent/CN213362149U/en active Active
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