CN219606865U

CN219606865U - Tube lamp

Info

Publication number: CN219606865U
Application number: CN202320302794.1U
Authority: CN
Inventors: 高美勤
Original assignee: Ruiang Optoelectronic Technology Guangdong Co ltd
Current assignee: Ruiang Optoelectronic Technology Guangdong Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-29
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a down lamp, wherein a rotary swinging barrel and a containing cavity of the lamp barrel are in a spherical shape, the outer peripheral surface of the rotary swinging barrel and the inner surface of the containing cavity are spherical surfaces, namely, the outer peripheral surface of the rotary swinging barrel and the inner surface of the containing cavity are part of spherical surfaces, a main body part of the rotary swinging barrel is assembled in the containing cavity, the lower end of the rotary swinging barrel extends out of a light outlet of the lamp barrel, the rotary swinging barrel can horizontally rotate relative to the lamp barrel and can swing up and down relative to the lamp barrel, the rotary swinging barrel has simple rotary and swinging structures, fewer required accessories and reduced structural size.

Description

Tube lamp

Technical Field

The utility model relates to the technical field of lamps, in particular to a down lamp.

Background

In the field of decoration, some places can be provided with down lamps below ceilings or roofs to play a role in illumination and decoration.

The Chinese patent publication No. CN 112780975A discloses a lamp, which comprises a lamp housing, a light source, a lens, a mounting ring, a base and a reflecting cup. The lamp shell is connected with the mounting ring through a rotating shaft. One side of the mounting ring is provided with a mounting ring opening, the reflecting cup is correspondingly provided with a reflecting cup opening, and the swing of the lamp shell provides a avoidance space.

In order to realize swinging, the lamp barrel needs to be divided into a lamp shell, a mounting ring and a base, and a gap needs to be formed in the mounting ring, so that the lamp with the structure is large in size and complex in mounting structure.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a novel down lamp, which has simple rotating and swinging structure of a rotating swinging cylinder, few required accessories and reduced structural size.

The technical scheme of the utility model provides a down lamp, which comprises a lamp barrel, a rotary swing barrel, a convex lens, a radiator, a circuit board and a light source, wherein the lower end of the lamp barrel is provided with a light outlet, the rotary swing barrel is assembled in the lamp barrel and can rotate and swing relative to the lamp barrel, the convex lens is installed in the rotary swing barrel, the radiator is positioned in the lamp barrel and above the convex lens, the circuit board is connected to the bottom of the radiator, and the light source is connected to the bottom of the circuit board and faces the convex lens;

the middle lower part of the lamp cylinder is provided with an accommodating cavity for accommodating the rotary swinging cylinder;

the outer peripheral surface of the rotary swinging cylinder and the inner surface of the accommodating cavity are spherical belt surfaces respectively, the radiuses of the outer peripheral surface of the rotary swinging cylinder and the inner surface of the accommodating cavity in the horizontal direction are gradually reduced respectively along the direction from top to bottom, and the height of the rotary swinging cylinder is larger than that of the accommodating cavity;

the rotary swinging cylinder is assembled in the accommodating cavity in a clearance way, and the lower end of the rotary swinging cylinder extends out of the light outlet.

In one optional technical scheme, the convex lens comprises a lens main body with a truncated cone shape;

the radius of the lens body becomes gradually smaller in the direction from bottom to top;

the top end of the lens main body is provided with a containing groove, and the light source is positioned in the containing groove.

In one optional aspect, the convex lens further includes a lens supporting cylinder, the lens main body is connected in the lens supporting cylinder, and the circuit board is located on the lens supporting cylinder.

In one optional technical scheme, a supporting ring is integrally arranged in the lower end barrel opening of the rotary swing barrel, and the convex lens is supported by the supporting ring.

In one optional solution, the upper end of the rotary swing cylinder supports the radiator.

In one optional technical scheme, the radiator comprises a radiator main body and a radiator assembly sleeve connected to the bottom of the radiator main body;

the circuit board is arranged in the radiator assembly;

the rotary swinging cylinder is provided with an assembling groove with an upward opening, the radiator assembling sleeve is arranged in the assembling groove, and the edge of the radiator main body is lapped at the upper end of the rotary swinging cylinder.

In one alternative, the groove wall of the assembly groove is provided with a supporting step, and the lower end of the radiator assembly is positioned on the supporting step.

In one optional technical scheme, the light outlet is higher than the bottom surface of the lamp barrel, and a horn mouth is arranged between the light outlet and the lower end of the lamp barrel.

In one alternative, an elastic hanging piece is detachably connected to the wall of the lamp tube.

In one of the alternative technical schemes, the cylinder wall comprises an outer cylinder wall and an inner cylinder wall, and a cavity is formed between the outer cylinder wall and the inner cylinder wall;

the outer layer cylinder wall is provided with a slot;

the elastic clamping end of the elastic hanging piece penetrates through the slot and is abutted with the inner layer cylinder wall.

By adopting the technical scheme, the method has the following beneficial effects:

the rotary swinging cylinder and the containing cavity of the lamp cylinder are spherical, the outer peripheral surface of the rotary swinging cylinder and the inner surface of the containing cavity are spherical, namely, the outer peripheral surface of the rotary swinging cylinder and the inner surface of the containing cavity are part of spherical surfaces, the main body part of the rotary swinging cylinder is assembled in the containing cavity, the lower end of the rotary swinging cylinder extends out of the light outlet of the lamp cylinder, the rotary swinging cylinder can horizontally rotate relative to the lamp cylinder and can vertically swing relative to the lamp cylinder, the rotary swinging cylinder has simple rotating and swinging structures, fewer required accessories and reduced structural size.

Drawings

The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present utility model. In the figure:

fig. 1 is a perspective view of a down lamp according to an embodiment of the utility model at a first viewing angle;

fig. 2 is a perspective view of a down lamp according to an embodiment of the utility model at a second viewing angle;

FIG. 3 is a cross-sectional view of a down lamp according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a down lamp according to an embodiment of the present utility model;

FIG. 5 is a perspective view of a light fixture;

FIG. 6 is a cross-sectional view of a light fixture;

FIG. 7 is a perspective view of a rotary swing cylinder;

FIG. 8 is a cross-sectional view of a rotary swing cylinder;

fig. 9 is a perspective view of a convex lens;

fig. 10 is a cross-sectional view of a convex lens;

FIG. 11 is a perspective view of the elastic hitching tab;

fig. 12 is a cross-sectional view of a circuit board, a power supply, and a heat sink.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 8, an embodiment of the present utility model provides a down lamp comprising a lamp housing 1 having a light outlet 13 at a lower end, a rotary swing housing 2 fitted in the lamp housing 1 and capable of rotating and swinging with respect to the lamp housing 1, a convex lens 3 mounted in the rotary swing housing 2, a heat sink 4 provided in the lamp housing 1 and above the convex lens 3, a circuit board 5 connected to a bottom of the heat sink 4, and a light source 6 connected to a bottom of the circuit board 5 and directed toward the convex lens 3.

The lower middle part of the lamp cartridge 1 has a receiving chamber 14 for receiving the rotary swing cartridge 2.

The outer peripheral surface 22 of the rotary swing cylinder 2 and the inner surface 141 of the accommodation chamber 14 are spherical surfaces, respectively, and the radii of the outer peripheral surface 22 of the rotary swing cylinder 2 and the inner surface 141 of the accommodation chamber 14 in the horizontal direction are gradually reduced in the direction from top to bottom, respectively, and the height of the rotary swing cylinder 2 is larger than the height of the accommodation chamber 14.

The rotary swing cylinder 2 is fitted in the accommodating chamber 14 with a clearance, and the lower end of the rotary swing cylinder 2 protrudes from the light outlet 13.

The cartridge according to the present utility model is a device having a blind hole or a through hole in the center, and the outer peripheral surface may be a circumferential surface or may be a circumferential surface of another shape. The spherical surface referred to in the present utility model means a part of the surface of a spherical surface sandwiched between two parallel cross sections.

The down lamp mainly comprises a lamp barrel 1, a rotary swinging barrel 2, a convex lens 3, a radiator 4, a circuit board 5 and a light source 6.

The upper end of the lamp tube 1 is closed, and the lower end of the lamp tube 1 is provided with a light outlet 13. The main body of the rotary swing cylinder 2 is assembled in the central hole of the lamp cylinder 1, and the lower end of the rotary swing cylinder 2 extends out of the lower part of the light outlet 13. The convex lens 3 is installed in the center hole 21 of the rotary swing cylinder 2. A heat sink 4 is mounted in the lamp vessel 1 above the convex lens 3. The circuit board 5 is mounted on the bottom surface of the heat sink 4, and the heat sink 4 is used for radiating heat from the circuit board 5. The circuit board 5 may be connected to an external power source through wires. Through holes for wires to pass through can be formed in the heat sink 4 and the closed end of the lamp cartridge 1. The light source 6 is mounted on the bottom surface of the circuit board 5, which faces the center of the convex lens 3.

The outer circumferential surface 22 of the rotary swing cylinder 2 is a part of a spherical surface, that is, a spherical belt surface. The outer peripheral surface 22 of the rotary swing cylinder 2 is formed in a contracted shape from top to bottom, and the radius of the outer peripheral surface 22 of the rotary swing cylinder 2 in the horizontal direction gradually decreases in the direction from top to bottom. That is, the horizontal distance between the outer peripheral surface 22 of the rotary swing cylinder 2 and the central axis of the rotary swing cylinder 2 gradually decreases in the direction from the top down.

The lower middle part of the lamp vessel 1 has a tapered receiving chamber 14 for receiving the rotary oscillating vessel 2. The lower end of the accommodating cavity 14 is a light outlet 13. Likewise, the inner surface 141 of the receiving chamber 14 is a portion of a sphere, i.e., a spherical surface. The inner surface 141 of the accommodation chamber 14 is formed in a tapered shape from top to bottom, and the radius of the inner surface 141 of the accommodation chamber 14 in the horizontal direction is gradually reduced in the direction from top to bottom. That is, the horizontal distance between the inner surface 141 of the accommodation chamber 14 and the central axis of the lamp cartridge 1 gradually decreases in the direction from the top down.

The centers of the inner surface 141 and the outer peripheral surface 22 coincide, and the radius of the inner surface 141 and the center of the sphere is slightly larger than the radius of the outer peripheral surface 22 and the center of the sphere.

In the vertical direction, the height of the rotary swing cylinder 2 is greater than the height of the accommodating chamber 14, that is, the distance between the upper and lower ends of the rotary swing cylinder 2 is greater than the distance between the upper and lower openings of the accommodating chamber 14.

The radius of the lower end of the rotary swing cylinder 2 is smaller than the radius of the light outlet 13.

When assembled, the main body part of the rotary swing cylinder 2 is assembled in the accommodating cavity 14 in a clearance way, and the lower end of the rotary swing cylinder 2 extends out of the light outlet 13.

The rotary swinging cylinder 2 can be horizontally and rotatably adjusted relative to the lamp cylinder 1, and can swing up and down relative to the lamp cylinder 1, so that the rotary swinging cylinder 2 has simple rotary and swinging structures, fewer accessories are required, and the structural size is reduced.

After swinging the rotary swing cylinder 2, the friction force between the outer peripheral surface 22 and the inner surface 141 keeps the rotary swing cylinder 2 at the prescribed position.

The swinging cylinder 2 can be rotated for 360 degrees of horizontal rotation. The vertical swing angle of the rotary swing cylinder 2 is within 30 degrees, so that fine adjustment is realized.

In one embodiment, as shown in fig. 1-4, a connecting ring 8 is connected to an upper end opening of the lamp tube 1, an upper cover 9 is connected to an upper end of the connecting ring 8, and sealing is achieved through the upper cover 9. The lamp tube 1, the connecting ring 8 and the upper cover 9 can be connected through threads.

In one embodiment, as shown in fig. 1-4, the lower end of the light fixture 1 is provided with a face ring 12 for decorative purposes.

In one embodiment, as shown in fig. 3 and 9-10, the convex lens 3 includes a lens body 31 having a truncated cone shape. The radius of the lens body 31 becomes gradually smaller in the direction from bottom to top. The top end of the lens body 31 has a receiving groove 311, and the light source 6 is in the receiving groove 311.

In this embodiment, the lens body 31 of the convex lens 3 has a truncated cone shape, and the radius of the upper end surface is small and the radius of the lower end surface is large. The top end of the lens main body 31 is provided with a containing groove 311, and the light source 6 is positioned in the containing groove 311, so that the light emitted by the light source 311 is emitted through the convex lens 3.

In one embodiment, as shown in fig. 3 and 9-10, the convex lens 3 further includes a lens support cylinder 32, the lens body 31 is connected in the lens support cylinder 32, and the circuit board 5 is disposed on the lens support cylinder 32.

In the present embodiment, the lens support cylinder 32 is wrapped around the outside of the lens body 31 and is higher than the lens body 31. The lens support barrel 32 supports the circuit board 5, and can limit the depth of the light source 6 in the accommodation groove 311.

In one of the embodiments, as shown in fig. 3 and 7 to 8, a support ring 23 is integrally provided in the lower end nozzle of the rotary swing cylinder 2, and the convex lens 3 is supported by the support ring 23 to limit the lower limit position of the convex lens 3.

In one of the embodiments, as shown in fig. 3, the upper end of the rotary swing cylinder 2 supports the radiator 4. The radiator 4 is arranged at the upper end of the rotary swinging cylinder 2, and when the rotary swinging cylinder 2 swings, the convex lens 3, the radiator 4, the circuit board 5 and the light source 6 integrally swing along with the rotary swinging cylinder, so that the light source 6 and the convex lens 3 are kept relatively fixed.

In one embodiment, as shown in fig. 3, 7-8 and 12, the heat sink 4 includes a heat sink body 41 and a heat sink fitting 42 attached to the bottom of the heat sink body 41. The circuit board 5 is mounted in the heat sink mounting assembly 42.

The rotary swing cylinder 2 has an upwardly open fitting groove 24, and a radiator fitting member 42 is provided in the fitting groove 24, and an edge of a radiator main body 41 is fitted over an upper end of the rotary swing cylinder 2.

In the present embodiment, the radiator 4 includes a radiator body 41 and a radiator assembly 42, and the radiator assembly 42 is integrally provided at the bottom of the radiator body 41. The circuit board 5 is mounted on the top surface of the heat sink mounting member 42, and the light source 6 is located in the heat sink mounting member 42. The upper portion of the rotary swing cylinder 2 has an assembly groove 24 communicating with the center hole 21. The radiator assembly 42 is inserted into the assembly groove 24, and the edge of the radiator body 41 is overlapped on the upper end of the swing cylinder 2, so that the thickness of the structure in the vertical direction can be reduced.

In one embodiment, as shown in fig. 3, 7-8 and 12, the mounting groove 24 has a support step 241 on the wall of the groove, and the lower end of the radiator mounting member 42 is seated on the support step 241. The supporting step 241 supports the radiator 4 together with the upper end of the rotary swing cylinder 2, improving the supporting effect.

In one embodiment, as shown in fig. 3 and 6, the light outlet 13 is higher than the bottom surface of the light canister 1, and a flare 15 is disposed between the light outlet 13 and the lower end of the light canister 1. Specifically, a flare 15 is formed between the light outlet 13 and the face ring 12, so that a user's hand can be easily inserted into the lower end of the rotary swing cylinder 2.

In one embodiment, as shown in fig. 1-2, an elastic hanging piece 7 is detachably connected to the cylinder wall 11 of the lamp cylinder 1 and is used for being clamped in a mounting hole of a ceiling or a ceiling, so that the lamp cylinder has a mounting and fixing effect and is convenient to detach.

In one embodiment, as shown in fig. 4-6 and 11, the cartridge wall 11 includes an outer cartridge wall 111 and an inner cartridge wall 112, with a cavity 113 formed between the outer cartridge wall 111 and the inner cartridge wall 112.

The outer cylinder wall 111 is provided with a slot 114.

The elastic clamping end 71 of the elastic hanging piece 7 passes through the slot 114 and is abutted with the inner cylinder wall 112.

In this embodiment, the cylinder wall 11 has a double-layer structure, which includes an outer cylinder wall 111 and an inner cylinder wall 112, and an annular cavity 113 is formed therebetween. Opposite sides of the outer cylinder wall 111 are respectively provided with a slot 114. The elastic clamping ends 71 of the two elastic hanging pieces 7 correspondingly pass through the two slots 114 and are abutted with the inner-layer cylinder wall 112 so as to assemble the elastic hanging pieces 7 on the lamp cylinder 1.

In one embodiment, as shown in fig. 11, the elastic clamping end 71 includes a first connecting piece 711, a second connecting piece 712, and a third connecting piece 713, which are sequentially connected. The first connection piece 711 is connected to the main piece of the elastic hanging piece 7. The first connection piece 711 and the third connection piece 713 are on opposite sides of the second connection piece 712, the second connection piece 712 is connected with the first connection piece 711 in an L shape, and the third connection piece 713 is connected with the second connection piece 712 in an L shape. When assembled, the first connecting piece 711 passes through the slot 114, the second connecting piece 712 stretches into the cavity 113, and the third connecting piece 713 is abutted with the inner cylinder wall 112.

The above technical schemes can be combined according to the need to achieve the best technical effect.

What has been described above is merely illustrative of the principles and preferred embodiments of the present utility model. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the utility model and should also be considered as the scope of protection of the present utility model.

Claims

1. A down lamp, characterized by comprising a lamp barrel with a light outlet at the lower end, a rotary swing barrel assembled in the lamp barrel and capable of rotating and swinging relative to the lamp barrel, a convex lens installed in the rotary swing barrel, a radiator positioned in the lamp barrel and above the convex lens, a circuit board connected to the bottom of the radiator and a light source connected to the bottom of the circuit board and facing the convex lens;

2. The down lamp of claim 1, wherein the convex lens comprises a lens body having a truncated cone shape;

3. The down lamp of claim 2, wherein the convex lens further comprises a lens support barrel, the lens body is connected in the lens support barrel, and the circuit board is positioned on the lens support barrel.

4. The down lamp of claim 1, wherein a support ring is integrally provided in a lower end nozzle of the rotary swing cylinder, and the convex lens is supported by the support ring.

5. The down lamp of claim 1, wherein an upper end of the rotary swing cylinder supports the heat sink.

6. The down lamp of claim 5, wherein the heat sink comprises a heat sink body and a heat sink fitting attached to a bottom of the heat sink body;

the circuit board is arranged in the radiator assembly;

7. The down lamp of claim 6, wherein the wall of the assembly groove has a supporting step, and the lower end of the heat sink assembly is positioned on the supporting step.

8. The down lamp of claim 1, wherein the light outlet is higher than the bottom surface of the lamp barrel, and a flare is arranged between the light outlet and the lower end of the lamp barrel.

9. The down lamp of claim 1, wherein the wall of the lamp barrel is detachably connected with an elastic hanging piece.

10. The down lamp of claim 9, wherein the barrel wall comprises an outer barrel wall and an inner barrel wall, a cavity being formed between the outer barrel wall and the inner barrel wall;

the outer layer cylinder wall is provided with a slot;