A surface-mounted ceiling down lamp

Abstract

A surface-mounted ceiling cylinder lamp comprises a hanging plate, an upper and lower opening lamp cylinder, a driving power supply, a radiator, a chip, a chip support, a lens, a lens ring, a connecting seat and an anti-dazzle cup. The chip is arranged on the chip support, and the chip support is fixed with the top plate of the light emitting cavity. The lens is arranged in the counterbore, the hook is buckled with the circular flange, the lens ring is inserted into the outer sleeve body and fixed, the upper end of the lens is matched with the chip support, the lens ring is inserted into the upper cylindrical seat and interference fit, the cup hook and the annular buckle of the anti-dazzle cup are buckled, the connecting seat is inserted into the lamp cylinder, the lower cylindrical seat and the lamp cylinder are interference fit, the circular arc fixing plate is inserted into the lamp cylinder, and the screw is screwed through the connecting hole and the screw hole. Compared with the prior art, the number of components is small, the structure is simple, the assembly is convenient, the axial heat dissipation channel, the longitudinal heat dissipation channel and the inner cavity of the anti-dazzle cup constitute the heat dissipation channel which is through from top to bottom, and the heat dissipation is good.

Description

Technical Field

[0001] This utility model relates to a surface-mounted downlight. Background Technology

[0002] The existing technology, Chinese patent 202121413180.8, describes a dimmable, anti-glare LED surface-mounted downlight, including a ceiling-mounted component, a rotating bracket, a rotating central ring, and a lamp housing. The ceiling-mounted component is suspended to a ceiling cover via a T-shaped hanging post at its bottom. A protruding ball is located in a groove on the ceiling cover. A driving power supply is installed at the bottom of the ceiling cover, and a power supply fixing plate is installed below the driving power supply. A connecting ring is located outside the driving power supply. The upper part of the connecting ring is screwed to the ceiling cover, and the top of the connecting ring is screwed to the ceiling cover via an internal thread. The lower part of the connecting ring is screwed to the lamp housing via an external thread. The problems are: complex structure and poor heat dissipation. Utility Model Content

[0003] The purpose of this utility model is to provide a surface-mounted ceiling downlight that features a simple structure, convenient assembly, and good heat dissipation.

[0004] This utility model is implemented as follows: a surface-mounted ceiling downlight, characterized in that it includes a mounting plate, a lamp barrel with openings at the top and bottom, a driver power supply, a heat sink, a chip, a chip holder, a lens, a lens ring, a connector, and an anti-glare cup.

[0005] The two ends of the mounting plate are provided with arc-shaped fixing plates, and the arc-shaped fixing plates are provided with screw holes;

[0006] The upper end of the lamp tube is provided with a connection hole;

[0007] The heat sink includes a hollow, bottom-opening light-emitting cavity and an outer casing surrounding the light-emitting cavity, with a longitudinal heat dissipation channel between the outer casing and the light-emitting cavity;

[0008] The lens ring includes an annular seat located at the lower end of the axial hole, a countersunk hole, a hook, a light guide tube opposite to the lens seat, and an axial heat dissipation channel.

[0009] The lens is equipped with an annular flange;

[0010] The connecting seat includes a lower cylindrical seat with a lower opening and an upper cylindrical seat with a higher opening, and the lower cylindrical seat is provided with an annular fastener;

[0011] The chip is mounted on a chip holder, which is fixed to the top plate of the light-emitting cavity; the lens is located in a countersunk hole, and the hook engages with the annular flange; the lens ring is inserted into the outer sleeve and fixed, and the upper end of the lens mates with the chip holder; the lens ring is inserted into the upper cylindrical seat with an interference fit, and the cup hook of the anti-glare cup engages with the annular buckle; the connecting seat is inserted into the lamp tube, and the lower cylindrical seat and the lamp tube have an interference fit; the arc-shaped fixing plate is inserted into the lamp tube, and the screw passes through the connecting hole and engages with the screw hole.

[0012] The special feature of the surface-mounted ceiling downlight is that the lamp tube and the connecting base are made of aluminum.

[0013] The special feature of the surface-mounted ceiling downlight is that the lower cylindrical seat is formed by the outer surface being concave inward to create the annular fastener.

[0014] The surface-mounted ceiling downlight is characterized in that: the lower end of the anti-glare cup is provided with an annular seat plate, which cooperates with the end of the lower cylindrical seat.

[0015] The surface-mounted ceiling downlight described above is characterized in that: the lens ring is provided with a hook;

[0016] The outer casing of the radiator is provided with a locking cavity with a lower opening, and the inner wall plate of the locking cavity is provided with a fastener;

[0017] The hook's rod extends into the locking cavity, and the hook engages with the buckle.

[0018] This utility model discloses a surface-mounted ceiling downlight, which, compared with the prior art, has fewer parts, a simpler structure, and is easier to assemble; the axial heat dissipation channel, the longitudinal heat dissipation channel, and the anti-glare cup cavity form a vertically connected heat dissipation channel, resulting in good heat dissipation. Attached Figure Description

[0019] Figure 1 This is a cross-sectional view of the present invention.

[0020] Figure 2 yes Figure 1 A-A view.

[0021] Figure 3 This is a partial sectional view of the present invention.

[0022] Figure 4 This is a perspective view of the present invention.

[0023] Figure 5 This is a perspective view of the radiator of this utility model.

[0024] Figure 6 This is a partial exploded perspective view of this utility model.

[0025] Figure 7This is one of the partial exploded perspective views of this utility model.

[0026] Figure 8 This is the second partial exploded perspective view of this utility model. Detailed Implementation

[0027] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] like Figure 1 , Figure 2 As shown, a surface-mounted ceiling downlight includes a mounting plate 1, a lamp holder 2 with openings at the top and bottom, a driver power supply 3, a heat sink 4, a chip 51, a chip bracket 52, a lens 6, a lens ring 7, a connector 8, and an anti-glare cup 9.

[0030] The mounting plate 1 includes an arc-shaped fixing plate 1A at both ends and a long strip-shaped fixing hole 1B. The arc-shaped fixing plate 1A is provided with screw holes.

[0031] The upper end of the lamp tube 2 is provided with a connection hole 21;

[0032] The heat sink 4 includes a hollow, lowerly open light-emitting cavity 41 and an outer sleeve 42 surrounding the light-emitting cavity 41. A longitudinal heat dissipation channel 43 is provided between the outer sleeve 42 and the light-emitting cavity 41.

[0033] The lens ring 7 includes an annular seat 71 located at the lower end of the axial hole, a countersunk hole 72 located at the upper end of the annular seat 71, a hook 73 located on the annular seat 71, a light guide tube 74 opposite to the lens seat, and an axial heat dissipation channel 75. The inner cavity of the light guide tube 74 is shaped like a frustum conical.

[0034] Lens 6 is provided with an annular flange 61;

[0035] The connecting seat 8 includes a lower cylindrical seat 81 with a lower opening and an upper cylindrical seat 82 with an upper opening. The lower cylindrical seat 81 is provided with an annular fastener 811. The diameter of the lower cylindrical seat 81 is smaller than the diameter of the upper cylindrical seat 82.

[0036] The anti-glare cup 9 is equipped with a cup hook 91;

[0037] Chip 51 is mounted on chip support 52, which is fixed to the top plate of light-emitting cavity 41. The chip and the top plate of light-emitting cavity are in contact for heat dissipation. Lens 6 is mounted in countersunk hole 72, and hook 73 is fastened to annular flange 61. Lens ring 7 is inserted into outer sleeve 42 and fixed, with the upper end of lens 6 engaging with chip support 52. Lens ring 7 is inserted into upper cylindrical seat 82 with interference fit, and anti-glare cup 9's cup buckle 91 and annular buckle 811 are fastened together. Connecting seat 8 is inserted into lamp tube 2, and lower cylindrical seat 81 and lamp tube 2 are interference fit. Arc-shaped fixing plate 1A is inserted into lamp tube 2, and screws pass through connecting hole 21 and are screwed into screw hole. Driving power supply 3 is located in lamp tube above heat sink.

[0038] With this structure, the lamp tube space at the top of the radiator, the longitudinal heat dissipation channel 43, the axial heat dissipation channel 75, the lower cylindrical seat 81, and the anti-glare cup 9 are connected in sequence to form an air channel, thus improving heat dissipation performance.

[0039] The lamp holder 2 and the connecting base 8 are made of aluminum. The lamp holder 2 has good heat dissipation performance.

[0040] As a further improvement of this utility model: the lower cylindrical seat 81 is formed by the outer surface being concave inward to create the annular buckle 811.

[0041] The lower end of the anti-glare cup 9 is provided with an annular seat plate 92, which is engaged with the end of the lower cylindrical seat 81 for positioning.

[0042] As a further improvement of this utility model: the lens ring 7 is provided with a fixing hook 76;

[0043] The outer casing 42 of the radiator 4 is provided with a locking cavity 421 with a lower opening, and the inner wall plate of the locking cavity is provided with a fastener 422.

[0044] The rod of the fixed hook 76 extends into the locking cavity 421, and the hook engages with the buckle 422.

[0045] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A surface-mounted ceiling downlight, characterized in that: Includes mounting plate, top and bottom opening lamp holder, driver power supply, heat sink, chip, chip bracket, lens, lens ring, connector, and anti-glare cup. The two ends of the mounting plate are provided with arc-shaped fixing plates, and the arc-shaped fixing plates are provided with screw holes; The upper end of the lamp tube is provided with a connection hole; The heat sink includes a hollow, bottom-opening light-emitting cavity and an outer casing surrounding the light-emitting cavity, with a longitudinal heat dissipation channel between the outer casing and the light-emitting cavity; The lens ring includes an annular seat located at the lower end of the axial hole, a countersunk hole, a hook, a light guide tube opposite to the lens seat, and an axial heat dissipation channel. The lens is equipped with an annular flange; The connecting seat includes a lower cylindrical seat with a lower opening and an upper cylindrical seat with a higher opening, and the lower cylindrical seat is provided with an annular fastener; The chip is mounted on a chip holder, which is fixed to the top plate of the light-emitting cavity; the lens is mounted in a countersunk hole, and the hook engages with the annular flange; the lens ring is inserted into the outer sleeve and fixed, and the upper end of the lens mates with the chip holder; the lens ring is inserted into the upper cylindrical seat with an interference fit, and the cup hook of the anti-glare cup engages with the annular buckle; the connecting seat is inserted into the lamp tube, and the lower cylindrical seat and the lamp tube have an interference fit; the arc-shaped fixing plate is inserted into the lamp tube, and the screw passes through the connecting hole and engages with the screw hole.

2. A surface-mounted ceiling downlight according to claim 1, characterized in that: The lamp holder and connector are made of aluminum.

3. A surface-mounted ceiling downlight according to claim 1, characterized in that: The lower cylindrical seat is formed by the outer surface being concave inward to create the annular fastener.

4. A surface-mounted ceiling downlight according to claim 1, characterized in that: The lower end of the anti-glare cup is provided with an annular seat plate, which cooperates with the end of the lower cylindrical seat.

5. A surface-mounted ceiling downlight according to claim 1, 2, 3 or 4, characterized in that: The lens ring is provided with a fixing hook; The outer casing of the radiator is provided with a locking cavity with a lower opening, and the inner wall plate of the locking cavity is provided with a fastener; The rod of the fixed hook extends into the locking cavity, and the hook engages with the buckle.

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