CN219841484U - Light leakage prevention down lamp - Google Patents
Light leakage prevention down lamp Download PDFInfo
- Publication number
- CN219841484U CN219841484U CN202320703637.1U CN202320703637U CN219841484U CN 219841484 U CN219841484 U CN 219841484U CN 202320703637 U CN202320703637 U CN 202320703637U CN 219841484 U CN219841484 U CN 219841484U
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- cup
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- spherical surface
- light
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- 230000002265 prevention Effects 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model provides a light leakage prevention down lamp which comprises a lamp body and a front lamp cup, wherein the lamp body can swing relative to the front lamp cup. The lamp body comprises a light source assembly and a middle cup; the middle cup comprises a middle cup cavity, an upper port arranged at the upper end of the middle cup cavity and a lower port arranged at the lower end of the middle cup cavity; the middle cup covers the light source component through the upper port of the middle cup; the wall of the middle cup cavity is provided with an inner concave spherical surface. The front lamp cup comprises a front cup part; the front cup part comprises a light inlet; the light inlet extends along the swing track of the lamp body; the outer wall of the front cup part is provided with an outer spherical surface which protrudes outwards; the middle cup covers the front cup part through the lower port of the middle cup and covers the light inlet; the inner spherical surface and the outer spherical surface are concentric and are in running fit. When the lamp body swings to adjust the light emitting angle, the middle cup and the front lamp cup are in running fit through the concentric inner spherical surface and the outer spherical surface, and the middle cup is always covered on the light inlet, so that light leakage can be prevented.
Description
Technical Field
The utility model relates to a light leakage prevention down lamp.
Background
The hidden down lamp is characterized in that a light emitting angle is adjustable, a lamp body is generally provided with a middle ring in rotary fit with a mounting seat, and the lamp body emits light through an opening of a reflecting cup in the mounting seat; because the reflecting cup is in a frustum shape, the lamination effect of the middle ring and the reflecting cup is poor, and particularly, after the lamp cap swings and adjusts, a large gap easily appears to cause light leakage, so that the light efficiency is influenced; the existing method is to add a light shielding plate on the side of the lamp body to prevent light leakage, such as a down lamp light shielding plate disclosed in chinese patent No. CN206222112U, but the arrangement of the light shielding plate increases the production and installation process and has high cost.
Disclosure of Invention
The utility model aims to provide a light leakage prevention down lamp which comprises a lamp body and a front lamp cup, wherein the lamp body can swing around an X axis within a preset angle range relative to the front lamp cup.
The lamp body comprises a light source assembly and a middle cup; the middle cup comprises a middle cup cavity, an upper port arranged at the upper end of the middle cup cavity and a lower port arranged at the lower end of the middle cup cavity; the middle cup covers the light source component through the upper port of the middle cup; the wall of the middle cup cavity is provided with an inner concave spherical surface.
The front lamp cup comprises a front cup part; the front cup part comprises a front cup cavity, a light inlet arranged at the upper end of the front cup cavity and a light outlet arranged at the lower end of the front cup cavity; the light inlet extends along the swing track of the lamp body; the outer wall of the front cup part is provided with an outer spherical surface which protrudes outwards; the middle cup covers the outer spherical surface of the front cup part through the lower port of the middle cup and covers the light inlet; the inner spherical surface and the outer spherical surface are concentric and are in running fit.
When the lamp body swings to adjust the light emitting angle, the middle cup and the front lamp cup are in running fit through the concentric inner spherical surface and the outer spherical surface, and the middle cup is always covered on the light inlet, so that light leakage can be prevented.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 and 3 are exploded views of the structure of the present utility model at different angles.
Fig. 4 is a top view of the present utility model.
Fig. 5 is a cross-sectional view taken along the A-A plane in fig. 4.
Fig. 6 is a cross-sectional view taken along the B-B plane in fig. 4.
Fig. 7 is a schematic cross-sectional view of the present utility model for adjusting the light-emitting angle.
Fig. 8 is an exploded view of the lamp body of the present utility model.
Detailed Description
The scheme of the utility model is further described with reference to the accompanying drawings:
referring to fig. 1-8, a light leakage preventing down lamp comprises a lamp body 1 and a headlight cup 2, wherein the lamp body 1 can swing around an X axis 3 within a preset angle range relative to the headlight cup 2.
The lamp body 1 comprises a light source assembly 12 and a middle cup 11.
The light source assembly 12 includes an LED light source and an optical fitting.
The middle cup 11 comprises a middle cup cavity 110, an upper port 112 arranged at the upper end of the middle cup cavity 110 and a lower port 113 arranged at the lower end of the middle cup cavity 110; the middle cup 11 covers the light source assembly 12 through the upper port 112; the wall of the middle cup 110 is provided with a concave inner sphere 111.
The headlight cup 2 includes a front cup portion 21; the front cup portion 21 includes a front cup cavity 210, a light inlet 212 disposed at the upper end of the front cup cavity 210, and a light outlet 213 disposed at the lower end of the front cup cavity 210; the light inlet 212 extends along the swing track of the lamp body 1; the outer wall of the front cup part 21 is provided with an outer convex spherical surface 211; the middle cup 11 covers the outer spherical surface 211 of the front cup part 21 through the lower port 112 and covers the light inlet 212; the inner sphere 111 is concentric with and rotationally engaged with the outer sphere 211.
Light from the light source assembly 12 enters the front cup cavity 210 through the light inlet 212 and exits through the light outlet 213.
When the lamp body 1 swings to adjust the light emitting angle, the cavity wall of the middle cup cavity 110 and the outer wall of the front cup part 21 are in running fit with the outer spherical surface 211 through the concentric inner spherical surface 111, and the middle cup 11 always covers the light inlet 212, so that light leakage can be prevented.
The difference between the diameter of the inner spherical surface 111 and the diameter of the outer spherical surface 211 is 0 to 3mm.
In this embodiment, the difference between the diameter of the inner spherical surface 111 and the diameter of the outer spherical surface 211 is 0.5mm.
The chamber wall 214 of the front cup chamber is flared.
Connecting lugs 114 are arranged on two sides of the middle cup 11; the headlight cup 2 includes a front ring portion 22 surrounding the periphery of the front cup portion 21; the connecting lugs 114 are rotatably connected with the front ring part 22 through the pin shaft 4 so as to realize swinging adjustment of the lamp body 1.
The front cup portion 21 is integrally formed with the front ring portion 22. The front cup part 21 plays a role of a reflecting cup, the front ring part 22 is used for being matched and connected with the lamp body, and the front ring part and the lamp body are integrally formed without additional assembly procedures, so that the production efficiency is improved.
Each connecting hanger 114 is provided with a positioning marble 115; a plurality of positioning holes 221 arranged along the swing track of the lamp body 1 are respectively arranged on two sides of the front ring part 22; the positioning beads 115 may be selectively dropped into the positioning holes 221 on the same side. The light-emitting angle can be fixed step by adopting the mode of matching the positioning marble 115 with the positioning hole 221.
The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present utility model, and all such technical deductions, substitutions, improvements made on the basis of the same, similar or similar embodiments of the present utility model should be regarded as the protection scope of the present patent.
Claims (5)
1. A light leakage prevention down lamp comprises a lamp body and a front lamp cup, wherein the lamp body can swing around an X axis within a preset angle range relative to the front lamp cup; the method is characterized in that:
the lamp body comprises a light source assembly and a middle cup;
the middle cup comprises a middle cup cavity, an upper port arranged at the upper end of the middle cup cavity and a lower port arranged at the lower end of the middle cup cavity;
the middle cup covers the light source component through the upper port of the middle cup;
the cavity wall of the middle cup cavity is provided with an inner concave spherical surface;
the front lamp cup comprises a front cup part;
the front cup part comprises a front cup cavity, a light inlet arranged at the upper end of the front cup cavity and a light outlet arranged at the lower end of the front cup cavity; the light inlet extends along the swing track of the lamp body;
the outer wall of the front cup part is provided with an outer spherical surface which protrudes outwards;
the middle cup covers the outer spherical surface of the front cup part through the lower port of the middle cup and covers the light inlet;
the inner spherical surface and the outer spherical surface are concentric and are in running fit.
2. The light leakage prevention down lamp according to claim 1, wherein:
the difference between the diameter of the inner sphere and the diameter of the outer sphere is 0 to 3mm.
3. The light leakage prevention down lamp according to claim 1, wherein:
the cavity wall of the front cup cavity is horn-shaped.
4. The light leakage prevention down lamp according to claim 1, wherein:
connecting lugs are arranged on two sides of the middle cup;
the front lamp cup comprises a front ring part encircling the periphery of the front cup part;
the connecting lugs are rotationally connected with the front ring part.
5. The light leakage prevention down lamp according to claim 4, wherein:
the front cup portion and the front ring portion are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320703637.1U CN219841484U (en) | 2023-03-31 | 2023-03-31 | Light leakage prevention down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320703637.1U CN219841484U (en) | 2023-03-31 | 2023-03-31 | Light leakage prevention down lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841484U true CN219841484U (en) | 2023-10-17 |
Family
ID=88302597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320703637.1U Active CN219841484U (en) | 2023-03-31 | 2023-03-31 | Light leakage prevention down lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841484U (en) |
-
2023
- 2023-03-31 CN CN202320703637.1U patent/CN219841484U/en active Active
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