Waterproof down lamp

Abstract

The utility model relates to the technical field of lighting down lamps, and discloses a waterproof down lamp which is characterized in that a radiator is provided with an installation space, a threaded hole communicated with the installation space is formed in the radiator, a first thread used for connection is arranged at the lower end of the radiator, an annular groove position is arranged on one side of the first thread position, and a sealing ring is installed in the annular groove position; the plug cord is provided with a threaded member, and the peripheral surface of the threaded member is coated with glue and fixedly connected with the threaded hole. The light source assembly is arranged in the mounting space and is electrically connected with the plug cord; a second thread matched with the first thread is arranged at the upper end of the front ring, an annular groove is formed in the position of the second thread, and a flat gasket sealing ring is arranged in the annular groove. By designing the waterproof structure, the waterproof grade of the lamp is improved, and water vapor is prevented from entering the lamp to cause damage.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting downlights, in particular to a waterproof downlight. Background Art

[0002] A downlight is a lighting fixture that is embedded in the ceiling and radiates light downward.

[0003] In terms of the structural design of downlights, due to their poor waterproof performance, they are mainly used in indoor environments. For example, patent document CN106523985A describes a downlight, including a lamp cup, two mounting mechanisms for mounting and fixing the downlight are provided on the outer wall of the lamp cup, a through hole is provided on the bottom of the lamp cup, an inner seat with a spherical outer surface is provided in the movable card in the through hole, a mounting hole is provided on the inner seat, a fixing frame is provided in the mounting hole, a COB light board is provided on the fixing frame, a lens is provided in the inner seat on the irradiation side of the COB light board, a heat sink is provided on the fixing frame on the non-irradiation side corresponding to the COB light board, a wire hole is provided in the heat sink for accommodating the wires on the COB light board to pass through, a rear cover is provided on the heat sink, a power line terminal is provided on the rear cover, and an angle of 45°-80° is formed between the outer edge of the lamp cup and the central axis of the lamp cup.

[0004] In this regard, in order to increase the use scenarios of downlights and make them suitable for outdoor environments, it is necessary to optimize the waterproof structure of downlights to prevent water vapor from penetrating into the interior of the downlights and causing damage.

[0005] Therefore, improvements need to be made. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a waterproof downlight in view of the defects existing in the above-mentioned prior art. Its main purpose is to apply glue at the connection between the plug wire and the radiator, and to set a sealing ring and a flat gasket sealing ring at the position of the radiator and the front ring respectively, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a waterproof downlight, comprising: a radiator, the radiator having an installation space, the radiator being provided with a threaded hole communicating with the installation space, the lower end of the radiator being provided with a first thread for connection, an annular groove being provided on one side of the first thread position, and a sealing ring being installed in the annular groove; a plug wire, a threaded part being provided on the plug wire, the outer circumference of the threaded part being coated with glue and connected and fixed to the threaded hole; a light source assembly, the light source assembly being arranged in the installation space, and the light source assembly being electrically connected to the plug wire; a front ring, the upper end of the front ring being provided with a second thread cooperating with the first thread, an annular groove being provided at the second thread position, and a flat gasket sealing ring being provided in the annular groove.

[0008] Furthermore, the light source assembly includes a light source bracket, a COB light source arranged on the light source bracket, a reflective cup arranged on the light source bracket and a glass lens placed on the front ring; wherein the plug wire is electrically connected to the COB light source, the glass lens is placed flat on the flat gasket sealing ring, and the heat sink is connected to the front ring through the first thread and the second thread.

[0009] Furthermore, at least one spring clip is provided on the outer circumferential surface of the front ring, and the spring clip is used to fix the downlight.

[0010] Furthermore, the sealing ring is made of nitrile rubber material.

[0011] Furthermore, the flat gasket sealing ring is made of nitrile rubber material.

[0012] Furthermore, the plug wire is an LED female plug wire.

[0013] Furthermore, the first thread is an external thread, and the second thread is an internal thread.

[0014] Compared with the prior art, the beneficial effects of the utility model are: a glue-coated threaded connection is performed on the radiator and the plug wire to prevent water vapor from penetrating into the interior of the lamp from this position; a sealing ring and a flat gasket sealing ring are respectively arranged on the radiator and the front ring to prevent water vapor from penetrating into the interior of the lamp from this position; the lamp product assembled using this waterproof structure can achieve an IP65 waterproof rating, enriching the use scenarios of the downlight and being more suitable for wide use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the explosion structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the radiator structure.

[0018] Figure 4 It is a schematic diagram of the front ring structure.

[0019] Figure 5 It is an installation schematic diagram of the utility model.

[0020] Figure 6 It is an installation schematic diagram of the utility model.

[0021] Figure 7 It is an installation schematic diagram of the utility model.

[0022] Figure 8 It is an installation schematic diagram of the utility model.

[0023] Fig. 9 It is an installation schematic diagram of the utility model.

[0024] Fig.10 It is an installation schematic diagram of the utility model.

[0025] Fig.11 It is an installation schematic diagram of the utility model.

[0026] Fig.12 It is an installation schematic diagram of the utility model.

[0027] Fig.13 It is an installation schematic diagram of the utility model.

[0028] Fig.14 It is an installation schematic diagram of the utility model.

[0029] Fig.15 It is an installation schematic diagram of the utility model.

[0030] Figure numerals: 1. radiator; 2. threaded hole; 3. first thread; 4. sealing ring; 5. plug wire; 6. threaded part; 7. light source assembly; 8. front ring; 9. second thread; 10. flat gasket sealing ring; 11. light source bracket; 12. COB light source; 13. reflective cup; 14. glass lens; 15. spring clip. DETAILED DESCRIPTION

[0031] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0032] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] like Figure 1-4As shown, a waterproof downlight is provided, comprising: a radiator 1, the radiator 1 having an installation space, the radiator 1 being provided with a threaded hole 2 communicating with the installation space, the lower end of the radiator 1 being provided with a first thread 3 for connection, one side of the position of the first thread 3 being provided with an annular groove, a sealing ring 4 being installed in the annular groove; a plug wire 5, the plug wire 5 being provided with a threaded member 6, the outer circumference of the threaded member 6 being coated with glue and connected and fixed to the threaded hole 2; a light source assembly 7, the light source assembly 7 being arranged in the installation space, the light source assembly 7 being electrically connected to the plug wire 5; a front ring 8, the upper end of the front ring 8 being provided with a second thread 9 cooperating with the first thread 3, an annular groove being provided at the position of the second thread 9, and a flat gasket sealing ring 10 being provided in the annular groove.

[0034] In view of the technical problems recorded in the background technology, a waterproof downlight is provided. The radiator 1 is made of aluminum. The threaded hole 2 on the radiator 1 is an M10 threaded hole 2 or a threaded hole 2 of any other size. A threaded part 6 is arranged on the plug wire 5. The threaded part 6 is adapted to the threaded hole 2. Before installation, thread glue is evenly applied on the threads on the plug wire 5 and connected to the threaded hole 2 of the radiator 1 for sealing and reinforcement, which can prevent water vapor from penetrating into the interior of the lamp from this position.

[0035] The light source assembly 7 is installed inside the heat sink 1. In order to provide a light source, the light source assembly 7 is electrically connected to the plug wire 5 to obtain electricity for lighting.

[0036] An opening is set at the upper end of the front ring 8, and the front ring 8 is threadedly connected and fixed to the radiator 1 through the first thread 3 and the second thread 9. In order to prevent water vapor from penetrating from this position, an annular groove is set on the radiator 1, and an annular groove is set on the front ring 8, wherein the annular groove is at the upper edge position of the first thread 3, and the annular groove is at the lower edge position of the second thread 9. The sealing ring 4 and the flat gasket sealing ring 10 are installed respectively. The sealing ring 4 is O-type. When the front ring 8 is threadedly connected to the radiator 1, it can effectively isolate water vapor.

[0037] Downlights using this waterproof structure can achieve an IP65 waterproof rating, making them suitable for outdoor locations and having a wider range of uses.

[0038] refer to Figure 2 As shown, the light source assembly 7 includes a light source bracket 11, a COB light source 12 arranged on the light source bracket 11, a reflective cup 13 arranged on the light source bracket 11 and a glass lens 14 placed on the front ring 8; wherein the plug wire 5 is electrically connected to the COB light source 12, the glass lens 14 is placed flat on the flat gasket sealing ring 10, and the heat sink 1 is connected and matched with the front ring 8 through the first thread 3 and the second thread 9.

[0039] The above is the structure of the light source assembly 7 used in the downlight, wherein the glass lens 14 is placed flat on the upper surface of the flat gasket sealing ring 10, and a circular boss is provided at the center position of the light source bracket 11 to facilitate the installation of the reflective cup 13. Furthermore, when the radiator 1 is connected to the front ring 8, the edge of the first thread 3 of the radiator 1 firmly positions the glass lens 14 on the flat gasket sealing ring 10, effectively isolating it from water vapor intrusion.

[0040] The outer circumference of the front ring 8 is provided with at least one spring clip 15 , and the spring clip 15 is used to fix the downlight. Preferably, two spring clips 15 can be provided on the outer circumference of the front ring 8 .

[0041] The sealing ring 4 is made of nitrile rubber material. The flat gasket sealing ring 10 is made of nitrile rubber material. The nitrile rubber sealing ring 4 has the characteristics of wear resistance, flexibility, strong sealing performance, etc.

[0042] The plug wire 5 is an LED female plug wire 5 .

[0043] The first thread 3 is an external thread, and the second thread 9 is an internal thread.

[0044] refer to Figure 5-15 , below, the assembly process of the waterproof downlight is specifically provided.

[0045] 1. Pass the tinned end of the plug wire 5 through the threaded hole 2 on the heat sink 1.

[0046] 2. Solder the tinned ends of the COB light source 12 and the LED female plug wire 5.

[0047] 3. Use the light source bracket 11 to cover the welded COB light source 12.

[0048] 4. Fix the light source bracket 11 inside the radiator 1 with screws.

[0049] 5. Apply thread glue evenly on the surface of the threaded part 6 of the plug wire 5, and then tighten it to the threaded hole 2 of the radiator 1.

[0050] 6. Put the sealing ring 4 on the annular groove at the bottom of the thread of the radiator 1.

[0051] 7. Put the reflective cup 13 on the circular boss of the light source bracket 11.

[0052] 8. Install the flat gasket seal 10 in the flat annular groove at the bottom of the thread of the front ring 8.

[0053] 9. Place the glass lens 14 flatly on the surface of the flat gasket sealing ring 10.

[0054] 10. Fix the spring clip 15 to the hole on the side of the front ring 8 with screws.

[0055] 11. Finally, align the threads of radiator 1 and front ring 8, then rotate and tighten.

[0056] The above does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A waterproof downlight, characterized in that: include: A radiator, wherein the radiator has an installation space, a threaded hole communicating with the installation space is provided on the radiator, a first thread for connection is provided at the lower end of the radiator, an annular groove is provided on one side of the first thread position, and a sealing ring is installed in the annular groove; A plug wire, wherein a threaded part is provided on the plug wire, and the outer peripheral surface of the threaded part is coated with glue and connected and fixed to the threaded hole; A light source assembly, the light source assembly is disposed in the installation space, and the light source assembly is electrically connected to the plug wire; A front ring, wherein the upper end of the front ring is provided with a second thread matching the first thread, an annular groove is provided at the position of the second thread, and a flat gasket sealing ring is provided in the annular groove.

2. The waterproof downlight according to claim 1, characterized in that: The light source assembly includes a light source bracket, a COB light source arranged on the light source bracket, a reflective cup arranged on the light source bracket and a glass lens placed on the front ring; wherein the plug wire is electrically connected to the COB light source, the glass lens is placed flat on the flat gasket sealing ring, and the heat sink is connected and matched with the front ring through the first thread and the second thread.

3. The waterproof downlight according to claim 1, characterized in that: The outer circumferential surface of the front ring is provided with at least one spring clip, and the spring clip is used to fix the downlight.

4. The waterproof downlight according to claim 1, characterized in that: The sealing ring is made of nitrile rubber material.

5. The waterproof downlight according to claim 1, characterized in that: The flat gasket sealing ring is made of nitrile rubber material.

6. The waterproof downlight according to claim 1, characterized in that: The plug wire is an LED female plug wire.

7. The waterproof downlight according to claim 1, characterized in that: The first thread is an external thread, and the second thread is an internal thread.

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