Down lamp capable of being telescopically adjusted in height
By designing a retractable downlight with adjustable height, the problem of mismatch between the depth of the downlight and the lamp tube is solved, the flexible adaptability and light concentration effect of the downlight are achieved, and the application range and aesthetics are improved.
Patent Information
- Application Number
- CN202422862535.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-23
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-23
AI Technical Summary
The existing downlights have a fixed height and cannot be adapted to different depths of downlights, resulting in installation mismatch issues.
A retractable height-adjustable downlight is designed. The length of the downlight can be adjusted through the combination of a first adjustment tube, a second adjustment tube, and a third adjustment tube. The design of LED lamp beads and a reflector ensures light concentration, and the luminous intensity can be adjusted by a dial switch.
The downlight can adapt to lamp tubes of different depths, expanding the scope of application, and improving applicability and aesthetics by adjusting the length and luminous intensity.
Smart Images
Figure CN223399709U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of downlights, in particular to a downlight with a telescopic and height-adjustable structure. Background Art
[0002] Downlights are a type of lighting fixture embedded in the ceiling and radiating light downward. Downlights are directional lighting fixtures, and only the opposite side can receive light. The light is relatively concentrated, the contrast between light and dark is strong, the luminous flux is large, and it can set off a quiet environment. Simple lights mainly achieve lighting through LED lighting, and their lifespan mainly depends on the solid LED light source and the driving power supply. When installed, simple lights can maintain the overall unity and coordination of architectural decoration without destroying the beauty of the building itself. They can be hidden inside the architectural decoration, not exposed, without glare, and have a soft and uniform visual effect. However, the height of existing downlights is fixed, and downlights cannot be adapted to lamp tubes of different depths. They can only be installed in lamp tubes of adapted height, but there are some problems that sometimes the reserved lamp tube depth is different from the height of the downlight, making it impossible for downlights to adapt to lamp tubes. Utility Model Content
[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to provide a retractable height-adjustable downlight.
[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0005] A telescopic height-adjustable downlight comprises a lamp body, an adjusting device and a lamp holder; one end of the adjusting device is connected to the lamp body, and the other end of the adjusting device is connected to the lamp holder; the adjusting device comprises a first adjusting cylinder, a second adjusting cylinder and a third adjusting cylinder, one end of the first adjusting cylinder is fixedly connected to the lamp body, one end of the second adjusting cylinder is slidably connected to the first adjusting cylinder, one end of the second adjusting cylinder is placed in the first adjusting cylinder and is limited in the first adjusting cylinder; one end of the third adjusting cylinder is slidably connected to the second adjusting cylinder, one end of the third adjusting cylinder is placed in the second adjusting cylinder and is limited in the second adjusting cylinder, and the other end of the third adjusting cylinder is connected to the lamp holder.
[0006] Preferably, the lamp body includes a lampshade, a face mask, a reflector and a control panel; a groove is provided at the bottom of the lampshade, and the control panel is placed at the bottom of the groove; the control panel, the lampshade and the first adjustment tube are fixedly connected by screws; a plurality of LED lamp beads are provided on the control panel, and the plurality of LED lamp beads are arranged around the control panel; the lampshade is provided with an annular groove above the groove, one end of the reflector is placed in the annular groove, and the other end of the reflector is placed on the control panel; the reflector is provided with a first through hole at one end of the control panel, and the plurality of LED lamp beads are placed in the first through hole; the edge end of the face mask is placed in the annular groove and conflicts with the reflector, and the face mask is located directly in front of the plurality of lamp beads.
[0007] Preferably, a second through hole is provided on the control panel, and a third through hole is provided at the bottom of the groove at a position corresponding to the second through hole, and the groove is relatively connected to the interior of the first adjustment cylinder through the third through hole; the interiors of the first adjustment cylinder, the second adjustment cylinder and the third adjustment cylinder are relatively connected.
[0008] Preferably, a dial switch is further provided on the control panel, and one end of the dial switch passes through the groove and is placed outside the lampshade.
[0009] Preferably, a plurality of first sliding bars and a plurality of second sliding bars are arranged around the inner wall of the first adjusting cylinder, and the plurality of first sliding bars and the plurality of second sliding bars are arranged alternately; a first baffle and a second baffle are sequentially sleeved on the second adjusting cylinder, and a first sealing ring is sleeved between the first baffle and the second baffle; the first baffle is provided with a first notch at a position corresponding to each first sliding bar, and the first baffle is provided with a second notch at a position corresponding to each second sliding bar; the second baffle is provided with a third notch at a position corresponding to each first sliding bar, and the second baffle is provided with a fourth notch at a position corresponding to each second sliding bar; the first notch corresponds to the position of the third notch, and the second notch corresponds to the position of the fourth notch.
[0010] Preferably, the first adjustment cylinder is provided with a third baffle at one end of the second adjustment cylinder, a plurality of third slide bars are provided around the outer wall of the second adjustment cylinder, and the third baffle is provided with a fifth notch at a position corresponding to each third slide bar.
[0011] Preferably, a plurality of fourth slide bars and a plurality of fifth slide bars are arranged around the inner wall of the second adjustment cylinder, and the plurality of fourth slide bars and the plurality of fifth slide bars are arranged alternately; a fourth baffle and a fifth baffle are sequentially sleeved on the third adjustment cylinder, and a second sealing ring is sleeved between the fourth baffle and the fifth baffle; the fourth baffle is provided with a sixth notch at a position corresponding to each fourth slide bar, and the fourth baffle is provided with a seventh notch at a position corresponding to each fifth slide bar; the fifth baffle is provided with an eighth notch at a position corresponding to each fourth slide bar, and the fifth baffle is provided with a ninth notch at a position corresponding to each fifth slide bar; the sixth notch corresponds to the position of the eighth notch, and the seventh notch corresponds to the position of the ninth notch.
[0012] Preferably, the second adjustment cylinder is provided with a sixth baffle at one end of the third adjustment cylinder, a plurality of sixth slide bars are provided around the outer wall of the third adjustment cylinder, and the sixth baffle is provided with a tenth notch at a position corresponding to each sixth slide bar.
[0013] Preferably, a circular retaining ring is provided in the second adjustment cylinder, and a plurality of first protrusions are provided around the side of the circular retaining ring. The plurality of first protrusions pass through the second adjustment cylinder and are placed between the first baffle and the second baffle; the circular retaining ring is located at one end of the lampshade and has two second protrusions corresponding to each other.
[0014] Preferably, the lamp head is threadedly connected to the third adjustment cylinder, and a connection point is provided on the lamp head.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] The utility model designs a telescopic downlight with adjustable height. LED lamp beads are placed in a first through hole, and the reflector reflects the light emitted by the LED lamp beads, so that the light of the LED lamp beads is more concentrated; the light is then irradiated to the outside of the downlight through the mask; the luminous intensity of the LED lamp beads can be adjusted by a dial switch; the length of the downlight is adjusted by the first adjustment tube, the second adjustment tube and the third adjustment tube, so that the downlight can adapt to lamp tubes of different depths, has stronger applicability and a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 This is a schematic diagram of the structure proposed by the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the lamp body proposed in this utility model;
[0020] Figure 3 This is an exploded view of the lamp body proposed in the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the lampshade proposed by the utility model;
[0022] Figure 5 This is a structural diagram of the first adjustment cylinder proposed in the present invention;
[0023] Figure 6 This is a schematic structural diagram of the second adjustment cylinder proposed in the present invention;
[0024] Figure 7 This is a structural diagram of another angle of the second adjustment tube proposed by the present invention;
[0025] Figure 8 This is a schematic structural diagram of the circular retaining ring proposed in the present utility model;
[0026] Figure 9 This is a schematic structural diagram of the third adjustment cylinder proposed in the present invention;
[0027] Figure 10 This is a cross-sectional view of the present invention.
[0028] Legend:
[0029] 1. Lamp body, 2. Adjustment device, 3. Lamp head, 4. First adjustment cylinder, 5. Second adjustment cylinder, 6. Third adjustment cylinder, 11. Lampshade, 12. Mask, 13. Reflector, 14. Control panel, 15. Groove, 16. LED lamp beads, 17. Annular groove, 18. DIP switch, 31. Connection point, 41. First slide bar, 42. Second slide bar, 43. Third baffle, 51. First baffle, 52. Second baffle, 53. First sealing ring, 54. Third slide bar, 55. Fourth slide bar, 56. Fifth slide bar, 57. Sixth baffle, 58, circular baffle, 61, fourth baffle, 62, fifth baffle, 63, second sealing ring, 64, sixth slide, 131, first through hole, 141, second through hole, 151, third through hole, 431, fifth notch, 511, first notch, 512, second notch, 521, third notch, 522, fourth notch, 571, tenth notch, 581, first protrusion, 582, second protrusion, 611, sixth notch, 612, seventh notch, 621, eighth notch, 622, ninth notch. DETAILED DESCRIPTION
[0030] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, features defined as "first", "second", or "third" may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" means two or more. In addition, it should be noted that, unless otherwise specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can mean fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, or internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood by those skilled in the art in specific circumstances.
[0032] Reference Figures 1 to 10 As shown, a telescopic downlight with adjustable height includes a lamp body 1, an adjusting device 2 and a lamp holder 3; one end of the adjusting device 2 is connected to the lamp body 1, and the other end of the adjusting device 2 is connected to the lamp holder 3; the adjusting device 2 includes a first adjusting cylinder 4, a second adjusting cylinder 5 and a third adjusting cylinder 6, one end of the first adjusting cylinder 4 is fixedly connected to the lamp body 1, one end of the second adjusting cylinder 5 is slidably connected to the first adjusting cylinder 4, one end of the second adjusting cylinder 5 is placed in the first adjusting cylinder 4 and is limited in the first adjusting cylinder 4; one end of the third adjusting cylinder 6 is slidably connected to the second adjusting cylinder 5, one end of the third adjusting cylinder 6 is placed in the second adjusting cylinder 5 and is limited in the second adjusting cylinder 5, and the other end of the third adjusting cylinder 6 is connected to the lamp holder 3.
[0033] The lamp body 1 includes a lampshade 11, a mask 12, a reflector 13 and a control panel 14; a groove 15 is provided at the bottom of the lampshade 11, and the control panel 14 is placed at the bottom of the groove 15; the control panel 14, the lampshade 11 and the first adjustment tube 4 are fixedly connected by screws; a plurality of LED lamp beads 16 are provided on the control panel 14, and a plurality of LED lamp beads 16 are arranged around the control panel 14; the lampshade 11 is provided with an annular groove 17 above the groove 15, one end of the reflector 13 is placed in the annular groove 17, and the other end of the reflector 13 is placed in the annular groove 17. On the control board 14; the reflector 13 is located at one end of the control board 14 and is provided with a first through hole 131, and a plurality of LED lamp beads 16 are placed in the first through hole 131; the edge end of the mask 12 is placed in the annular groove 17 and conflicts with the reflector 13, and the mask 12 is located directly in front of the plurality of LED lamp beads 16; the LED lamp beads 16 are placed in the first through hole 131, and the reflector 13 reflects the light emitted by the LED lamp beads 16, so that the light of the LED lamp beads 16 is more concentrated; and then irradiated to the outside of the downlight through the mask 12.
[0034] A second through hole 141 is provided on the control board 14, and a third through hole 151 is provided at a position corresponding to the second through hole 141 at the bottom of the groove 15. The groove 15 is relatively connected to the interior of the first adjustment tube 4 through the third through hole 151; the interiors of the first adjustment tube 4, the second adjustment tube 5 and the third adjustment tube 6 are relatively connected; the lamp holder 3 is threadedly connected to the third adjustment tube 6, and a connection point 31 is provided on the lamp holder 3; the second through hole 141 and the third through hole 151 facilitate the internal wiring of the downlight, and the wires are placed in the first adjustment tube 4, the second adjustment tube 5 and the third adjustment tube 6, one end of the wire is connected to the connection point 31 on the lamp holder 3, and the other end of the wire passes through the third through hole 151 and the second through hole 141 and is electrically connected to the control board 14.
[0035] A dial switch 18 is also provided on the control board 14 . One end of the dial switch 18 passes through the groove 15 and is placed outside the lampshade 11 . The luminous intensity of the LED lamp bead 16 can be adjusted by the dial switch 18 .
[0036] The inner wall of the first adjustment cylinder 4 is surrounded by a plurality of first slide bars 41 and a plurality of second slide bars 42, and the plurality of first slide bars 41 and the plurality of second slide bars 42 are alternately arranged; a first baffle 51 and a second baffle 52 are sequentially sleeved on the second adjustment cylinder 5, and a first sealing ring 53 is sleeved between the first baffle 51 and the second baffle 52; the first baffle 51 is provided with a first notch 511 at a position corresponding to each first slide bar 41, and the first baffle 51 is provided with a second notch 512 at a position corresponding to each second slide bar 42; the second baffle 52 is provided with a first notch 513 at a position corresponding to each second slide bar 42; A third notch 521 is provided at a position corresponding to each first slide 41, and a fourth notch 522 is provided on the second baffle 52 at a position corresponding to each second slide 42; the first notch 511 corresponds to the third notch 521, and the second notch 512 corresponds to the fourth notch 522; the first adjustment cylinder 4 is provided with a third baffle 43 at one end of the second adjustment cylinder 5, and a plurality of third slides 54 are provided around the outer wall of the second adjustment cylinder 5, and the third baffle 43 is provided with a fifth notch 431 at a position corresponding to each third slide 54.
[0037] Each first slide bar 41 is placed in the corresponding first notch 511 and third notch 521, and each second slide bar 42 is placed in the corresponding second notch 512 and fourth notch 522; the third slide bar 54 is placed in the corresponding fifth notch 431, so that the second adjustment cylinder 5 slides in the first adjustment cylinder 4 to adjust the distance between the second adjustment cylinder 5 and the first adjustment cylinder 4.
[0038] A plurality of fourth slide bars 55 and a plurality of fifth slide bars 56 are arranged around the inner wall of the second adjustment cylinder 5, and the plurality of fourth slide bars 55 and the plurality of fifth slide bars 56 are arranged alternately; a fourth baffle 61 and a fifth baffle 62 are sequentially sleeved on the third adjustment cylinder 6, and a second sealing ring 63 is sleeved between the fourth baffle 61 and the fifth baffle 62; a sixth notch 611 is provided on the fourth baffle 61 at a position corresponding to each fourth slide bar 55, and a seventh notch 612 is provided on the fourth baffle 61 at a position corresponding to each fifth slide bar 56; a seventh notch 612 is provided on the fifth baffle 62 An eighth notch 621 is provided at a position corresponding to each fourth slide 55, and a ninth notch 622 is provided at a position corresponding to each fifth slide 56 of the fifth baffle 62; the sixth notch 611 corresponds to the eighth notch 621, and the seventh notch 612 corresponds to the ninth notch 622; the second adjustment cylinder 5 is provided with a sixth baffle 57 at one end of the third adjustment cylinder 6, and a plurality of sixth slides 64 are provided around the outer wall of the third adjustment cylinder 6, and the sixth baffle 57 is provided with a tenth notch 571 at a position corresponding to each sixth slide 64.
[0039] Each fourth slide bar 55 is placed in the corresponding sixth notch 611 and eighth notch 621, and each fifth slide bar 56 is placed in the corresponding seventh notch 612 and ninth notch 622; the sixth slide bar 64 is placed in the corresponding tenth notch 571, so that the third adjustment cylinder 6 slides in the second adjustment cylinder 5 to adjust the distance between the third adjustment cylinder 6 and the second adjustment cylinder 5.
[0040] A circular retaining ring 58 is provided in the second adjusting cylinder 5, and a plurality of first protrusions 581 are provided around the side of the circular retaining ring 58. The plurality of first protrusions 581 pass through the second adjusting cylinder 5 and are placed between the first baffle 51 and the second baffle 52. The circular retaining ring 58 is located at one end of the lampshade 11 and is provided with two corresponding second protrusions 582. The circular retaining ring 58 is fixed in the second adjusting cylinder 5 by passing through the second adjusting cylinder 5 through the first protrusion 581, and contacts the lampshade 11 through the second protrusion 582, thereby reducing the impact force of the second adjusting cylinder 5 on the lampshade 11. The adjustment distance of the second adjusting cylinder 5 is controlled within the first adjusting cylinder 4 by the third baffle 43. The adjustment distance of the third adjusting cylinder 6 is limited by the circular retaining ring 58 and the sixth baffle 57, so that the adjustment distance of the third adjusting cylinder 6 is controlled within the second adjusting cylinder 5.
[0041] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0042] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and utility model concept of the present invention, should be covered by the protection scope of the present invention.
Claims
1. A retractable height-adjustable downlight, characterized in that: The lamp comprises a lamp body, an adjustment device, and a lamp holder; one end of the adjustment device is connected to the lamp body, and the other end of the adjustment device is connected to the lamp holder; the adjustment device comprises a first adjustment cylinder, a second adjustment cylinder, and a third adjustment cylinder; one end of the first adjustment cylinder is fixedly connected to the lamp body, one end of the second adjustment cylinder is slidably connected to the first adjustment cylinder, and one end of the second adjustment cylinder is placed in the first adjustment cylinder and is confined in the first adjustment cylinder; One end of the third adjustment tube is slidably connected to the second adjustment tube, one end of the third adjustment tube is placed in the second adjustment tube and limited in the second adjustment tube, and the other end of the third adjustment tube is connected to the lamp holder.
2. The height-adjustable downlight according to claim 1, characterized in that: The lamp body includes a lampshade, a face mask, a reflector and a control panel; a groove is provided at the bottom of the lampshade, and the control panel is placed at the bottom of the groove; the control panel, the lampshade and the first adjustment tube are fixedly connected by screws; a plurality of LED lamp beads are provided on the control panel, and the plurality of LED lamp beads are arranged around the control panel; the lampshade is provided with an annular groove above the groove, one end of the reflector is placed in the annular groove, and the other end of the reflector is placed on the control panel; the reflector is provided with a first through hole at one end of the control panel, and the plurality of LED lamp beads are placed in the first through hole; the edge end of the face mask is placed in the annular groove and conflicts with the reflector, and the face mask is located directly in front of the plurality of lamp beads.
3. The height-adjustable downlight according to claim 2, characterized in that: A second through hole is provided on the control panel, and a third through hole is provided at the bottom of the groove at a position corresponding to the second through hole. The groove is relatively connected to the interior of the first adjustment cylinder through the third through hole; the interiors of the first adjustment cylinder, the second adjustment cylinder and the third adjustment cylinder are relatively connected.
4. The height-adjustable downlight according to claim 3, characterized in that: The control panel is also provided with a dial switch, one end of which passes through the groove and is placed outside the lampshade.
5. The height-adjustable downlight according to claim 2, characterized in that: A plurality of first sliding bars and a plurality of second sliding bars are arranged around the inner wall of the first adjusting cylinder, and the plurality of first sliding bars and the plurality of second sliding bars are arranged alternately; a first baffle and a second baffle are sequentially sleeved on the second adjusting cylinder, and a first sealing ring is sleeved between the first baffle and the second baffle; the first baffle is provided with a first notch at a position corresponding to each first sliding bar, and the first baffle is provided with a second notch at a position corresponding to each second sliding bar; the second baffle is provided with a third notch at a position corresponding to each first sliding bar, and the second baffle is provided with a fourth notch at a position corresponding to each second sliding bar; the first notch corresponds to the position of the third notch, and the second notch corresponds to the position of the fourth notch.
6. The telescopic height-adjustable downlight according to claim 5, characterized in that: The first adjustment cylinder is provided with a third baffle at one end of the second adjustment cylinder. A plurality of third slide bars are provided around the outer wall of the second adjustment cylinder. The third baffle is provided with a fifth notch at a position corresponding to each third slide bar.
7. The height-adjustable downlight according to claim 6, characterized in that: A plurality of fourth slide bars and a plurality of fifth slide bars are arranged around the inner wall of the second adjustment cylinder, and the plurality of fourth slide bars and the plurality of fifth slide bars are arranged alternately; a fourth baffle and a fifth baffle are sequentially sleeved on the third adjustment cylinder, and a second sealing ring is sleeved between the fourth baffle and the fifth baffle; the fourth baffle is provided with a sixth notch at a position corresponding to each fourth slide bar, and the fourth baffle is provided with a seventh notch at a position corresponding to each fifth slide bar; the fifth baffle is provided with an eighth notch at a position corresponding to each fourth slide bar, and the fifth baffle is provided with a ninth notch at a position corresponding to each fifth slide bar; the sixth notch corresponds to the position of the eighth notch, and the seventh notch corresponds to the position of the ninth notch.
8. The height-adjustable downlight according to claim 7, characterized in that: The second adjustment cylinder is provided with a sixth baffle at one end of the third adjustment cylinder. A plurality of sixth slide bars are provided around the outer wall of the third adjustment cylinder. The sixth baffle is provided with a tenth notch at a position corresponding to each sixth slide bar.
9. The telescopic height-adjustable downlight according to claim 5, characterized in that: A circular retaining ring is provided in the second adjustment tube, and a plurality of first protrusions are provided around the side of the circular retaining ring. The plurality of first protrusions pass through the second adjustment tube and are placed between the first baffle and the second baffle; the circular retaining ring is located at one end of the lampshade and has two second protrusions corresponding to each other.
10. The telescopic height-adjustable downlight according to claim 1, characterized in that: The lamp holder is threadedly connected to the third adjustment cylinder, and a connection point is provided on the lamp holder.