A waterproof and dustproof high-grade projection lamp

The lamp body shell, made of ADC12 aluminum alloy through one-piece casting and with multiple sealing structures, solves the problem of insufficient waterproof and dustproof design of floodlights, achieving efficient waterproof and dustproof performance and good heat dissipation, thus extending service life.

CN224680744UActive Publication Date: 2026-08-25SHANDONG LANYUE PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202522215876.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-21
Publication Date
2026-08-25
Estimated Expiration
2035-10-21

AI Technical Summary

Technical Problem

Existing floodlights have insufficient sealing performance in terms of waterproof and dustproof design. The sealing strips are prone to aging, and leaks are likely to appear at the joints. The cable outlets are also difficult to effectively prevent rainwater and dust from entering.

Method used

The lamp body housing, heat dissipation fins, and mounting external threaded cylinder are integrally cast from ADC12 aluminum alloy. Combined with a multi-seal structure of light-transmitting glass panel and sealing gasket, the cable passes through a reliable sealing design of sealing threaded hole, cable thread sealing head and cable sealing ring.

Benefits of technology

It effectively improves the waterproof and dustproof rating of the floodlight, preventing rain and dust from entering, improving heat dissipation efficiency, and extending service life.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a waterproof dustproof grade high's projection lamp, including lamp body shell, heat dissipation fin and glass fixed shell, the heat dissipation fin sets up at the outside of lamp body shell, the top fixed mounting of lamp body shell has the installation outer thread cylinder, the inner wall of glass fixed shell is equipped with internal thread groove, the glass fixed shell is screwed in the outside of installation outer thread cylinder, be provided with the light transmission glass panel between installation outer thread cylinder and glass fixed shell, the utility model relates to projection lamp technical field, waterproof dustproof grade high's projection lamp, through multiple sealing structure design, has effectively promoted waterproof dustproof grade. In the connecting portion of lamp body shell and glass fixed shell, set up annular sealing groove and first sealing washer, set up glass panel sealing washer simultaneously in the upper and lower two sides outer edge of light transmission glass panel, formed multiple sealing defense line, can effectively block rainwater and dust and invade the lamp body inside from this part.
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Description

Technical Field

[0001] This utility model relates to the field of floodlight technology, specifically a floodlight with a high level of waterproof and dustproof performance. Background Technology

[0002] With the acceleration of urbanization and the continuous growth of outdoor lighting demand, floodlights are being used more and more widely. However, the complexity of the outdoor environment places extremely high demands on the protective performance of floodlights. Currently, most floodlights on the market have many shortcomings in terms of waterproof and dustproof design.

[0003] Some floodlights use simple sealing strips for sealing, but the fit between the sealing strip and the housing is poor. Over time, the sealing strip is prone to aging and deformation, leading to decreased sealing performance and allowing rainwater and dust to easily enter the lamp body through gaps. Other floodlights use a spliced ​​structure for their housings, making sealing at the joints difficult and prone to leaks. Furthermore, the cable exit points of floodlights are also weak points in terms of waterproofing and dustproofing. Traditional cable sealing methods are insufficient to effectively prevent rainwater and dust intrusion, often becoming the main channels for water and dust accumulation inside the lamp body.

[0004] Therefore, this utility model provides a floodlight with a high level of waterproof and dustproof protection to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a floodlight with a high level of waterproof and dustproof capabilities, thus solving the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a floodlight with high waterproof and dustproof rating, comprising a lamp body shell, heat dissipation fins, and a glass fixing shell. The heat dissipation fins are disposed on the outer side of the lamp body shell. An external threaded cylinder is fixedly installed on the top of the lamp body shell. An LED light panel is fixedly installed inside the lamp body shell, and the LED light panel is located inside the external threaded cylinder. The lamp body shell, heat dissipation fins, and external threaded cylinder are integrally cast. An internal threaded groove is formed on the inner wall of the glass fixing shell. The glass fixing shell is screwed to the outer side of the external threaded cylinder. A light-transmitting glass panel is disposed between the external threaded cylinder and the glass fixing shell, and the light-transmitting glass panel is located above the LED light panel.

[0007] Preferably, an annular sealing groove is provided on the top of the lamp housing and on the outside of the mounting external threaded cylinder, and a first sealing gasket is inserted into the annular sealing groove, with the top of the first sealing gasket adhering to the bottom of the glass fixing shell.

[0008] Preferably, glass panel sealing gaskets are fixedly installed on the outer edges of both the upper and lower sides of the light-transmitting glass panel, with the top wall of the upper glass panel sealing gasket adhering to the inner bottom of the glass fixing shell, and the bottom of the lower glass panel sealing gasket adhering to the top of the external threaded cylinder.

[0009] Preferably, the bottom of the lamp housing is provided with a sealing threaded hole, a cable is inserted into the inside of the sealing threaded hole, the top of the cable passes through the bottom of the lamp housing and is inserted into the inside of the lamp housing, and the cable is electrically connected to the LED light board.

[0010] Preferably, a cable threaded sealing head is screwed into the inside of the sealing threaded hole, the cable passes through the inside of the cable threaded sealing head, a cable sealing ring is fixedly installed on the top of the cable threaded sealing head, the cable passes through the inside of the cable sealing ring, and the top wall of the cable sealing ring is attached to the outside of the insertion point between the cable and the lamp housing.

[0011] Preferably, the lamp housing, heat dissipation fins, and mounting external threaded cylinder are all made of ADC12 aluminum alloy, and the glass fixing shell is made of 304 stainless steel.

[0012] Preferably, the first sealing gasket and the glass panel sealing gasket are both made of EPDM rubber, and the cable sealing ring is made of fluororubber.

[0013] Preferably, the material of the light-transmitting glass panel is ultra-clear tempered glass, and the material of the outer sheath of the cable is polyvinyl chloride.

[0014] Beneficial effects

[0015] This invention provides a floodlight with a high level of waterproof and dustproof performance. Compared with the prior art, it has the following advantages:

[0016] 1. This high-level waterproof and dustproof floodlight features a multi-layered sealing structure design, effectively enhancing its waterproof and dustproof capabilities. An annular sealing groove and a first sealing gasket are installed at the connection between the lamp body shell and the glass mounting shell. Additionally, glass panel sealing gaskets are placed on the upper and lower outer edges of the translucent glass panel, forming multiple lines of defense to effectively prevent rainwater and dust from entering the lamp body. At the cable exit point, a reliable seal between the cable and the lamp body shell is achieved through the cooperation of a sealed threaded hole, a cable threaded sealing head, and a cable sealing ring, preventing rainwater and dust from entering the lamp body from the cable exit point.

[0017] 2. This floodlight boasts a high level of waterproof and dustproof performance. The lamp body, heat dissipation fins, and mounting threaded cylinder are all integrally cast from ADC aluminum alloy. ADC aluminum alloy possesses excellent thermal conductivity, enabling rapid heat dissipation from the LED panel during operation. Simultaneously, the heat dissipation fins increase the heat dissipation area, further improving heat dissipation efficiency and effectively reducing the operating temperature of the LED panel. This prevents problems such as accelerated aging of LED chips and brightness decay caused by excessive temperature, thus extending the floodlight's lifespan. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a perspective view of the external structure of this utility model;

[0020] Figure 2 This is a three-dimensional view of the bottom structure of this utility model;

[0021] Figure 3 This is a three-dimensional sectional view of the internal structure of this utility model;

[0022] Figure 4 This is the utility model Figure 3 Enlarged view of the structure at point A in the middle.

[0023] In the diagram: 1. Lamp housing; 2. Installer external threaded cylinder; 3. First sealing gasket; 4. Annular sealing groove; 5. Transparent glass panel; 6. Glass panel sealing gasket; 7. Glass fixing shell; 8. Internal threaded groove; 9. Heat dissipation fins; 10. Cable; 11. Cable threaded sealing head; 12. LED light board; 13. Sealing threaded hole; 14. Cable sealing ring. Detailed Implementation

[0024] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "installation," "connection," and "linking" 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; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0025] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0026] Reference Figures 1 to 4 This application provides a floodlight with a high level of waterproof and dustproof protection, including a lamp body shell 1, heat dissipation fins 9, glass fixing shell 7, LED light board 12, light-transmitting glass panel 5, first sealing gasket 3, glass panel sealing gasket 6, cable 10, cable thread sealing head 11, and cable sealing ring 14, etc.

[0027] The lamp housing 1, heat dissipation fins 9, and mounting threaded cylinder 2 are manufactured from ADC12 aluminum alloy using an integrated casting process. This process ensures a tight connection between the three components without any seams, improving the overall structural strength and facilitating rapid heat conduction. The heat dissipation fins 9 are evenly distributed on the outer side of the lamp housing 1, and their number is rationally set according to the power of the floodlight. In this embodiment, there are 12 heat dissipation fins 9, with a spacing of 15mm between adjacent fins. This design ensures sufficient heat dissipation area without causing dust accumulation due to overly dense fins.

[0028] The mounting external threaded cylinder 2 is fixedly installed on the top of the lamp housing 1. Its external thread specification is M60×2, which can match the specification of the internal threaded groove 8 opened on the inner wall of the glass fixing shell 7 to achieve a reliable screw connection. The LED lamp board 12 is fixedly installed inside the lamp housing 1 by bolts and is located inside the mounting external threaded cylinder 2. Several LED lamp beads are welded on the LED lamp board 12. In this embodiment, the number of LED lamp beads is 36, the power of each LED lamp bead is 1W, the color temperature is 5000K, and it can provide bright and uniform lighting light.

[0029] The translucent glass panel 5 is positioned between the mounting external threaded cylinder 2 and the glass fixing shell 7, and above the LED light panel 12. It is made of ultra-clear tempered glass, 5mm thick, with a light transmittance of over 92%, ensuring maximum light transmission from the LED light panel 12. Glass panel sealing gaskets 6 are glued to the upper and lower outer edges of the translucent glass panel 5. These gaskets are made of EPDM rubber, have a rectangular cross-section, are 8mm wide, and 3mm thick, providing good elasticity and sealing. The top wall of the upper glass panel sealing gasket 6 fits tightly against the inner bottom of the glass fixing shell 7, and the bottom of the lower glass panel sealing gasket 6 fits tightly against the top of the mounting external threaded cylinder 2, thus achieving a seal between the translucent glass panel 5 and the mounting external threaded cylinder 2 and the glass fixing shell 7.

[0030] An annular sealing groove 4 is provided on the top of the lamp housing 1 and on the outside of the mounting external threaded cylinder 2. The cross-sectional shape of the annular sealing groove 4 is rectangular, with a width of 10mm and a depth of 4mm. A first sealing gasket 3 is inserted inside. The material of the first sealing gasket 3 is also EPDM rubber, and its size matches the annular sealing groove 4. The top of the first sealing gasket 3 can fit tightly against the bottom of the glass fixing shell 7, further enhancing the sealing performance between the lamp housing 1 and the glass fixing shell 7.

[0031] The bottom of the lamp housing 1 has a sealing threaded hole 13 with an M20×1.5 specification. A cable 10 is inserted inside the hole. The outer sheath of the cable 10 is made of polyvinyl chloride, which has good insulation and aging resistance. The top of the cable 10 passes through the bottom of the lamp housing 1 and is electrically connected to the LED light board 12 by welding, providing power to the LED light board 12. A cable threaded sealing head 11 is screwed into the sealing threaded hole 13. The cable threaded sealing head 11 is made of nylon and has a through hole for the cable 10 to pass through. A cable sealing ring 14 is glued to the top of the cable threaded sealing head 11. The cable sealing ring 14 is made of fluororubber, which has excellent high and low temperature resistance and chemical corrosion resistance. The cable 10 passes through the inside of the cable sealing ring 14, and the top wall of the cable sealing ring 14 can fit tightly against the outside of the insertion point between the cable 10 and the lamp housing 1, achieving a reliable seal between the cable 10 and the lamp housing 1.

[0032] Working principle: LED light board installation: First, fix the LED light board 12 to the designated position inside the lamp body housing 1 with bolts, ensuring that the LED light board 12 is installed firmly and there is no looseness between it and the lamp body housing 1.

[0033] Cable connection and sealing: Insert the top of cable 10 into the interior of the lamp housing 1 through the sealing threaded hole 13 at the bottom of the lamp housing 1, and weld it to the LED light board 12. After welding, check whether the welding point is firm and reliable to ensure that the circuit connection is normal. Then, put the cable sealing ring 14 on the cable 10 and fix it to the top of the cable threaded sealing head 11 with glue. Then screw the cable threaded sealing head 11 into the sealing threaded hole 13. During the screwing process, pay attention to applying even force to ensure that the cable threaded sealing head 11 is installed in place. At the same time, make the top wall of the cable sealing ring 14 tightly fit against the outside of the insertion point between the cable 10 and the lamp housing 1 to achieve a seal between the cable 10 and the lamp housing 1.

[0034] First sealing gasket installation: Insert the first sealing gasket 3 into the annular sealing groove 4 opened on the top of the lamp housing 1, ensuring that the first sealing gasket 3 is installed flat and without twisting or deformation.

[0035] Installation of translucent glass panel: Attach and fix the glass panel sealing gasket 6 to the outer edges of the upper and lower sides of the translucent glass panel 5, and then place the translucent glass panel 5 on top of the mounting external thread cylinder 2, so that the bottom of the lower glass panel sealing gasket 6 is tightly fitted with the top of the mounting external thread cylinder 2.

[0036] Glass mounting housing installation: The glass mounting housing 7 is screwed onto the outside of the external threaded cylinder 2 through the internal threaded groove 8 on the inner wall. During the screwing process, care should be taken to control the screwing force to ensure that the glass mounting housing 7 is installed firmly. At the same time, the top wall of the upper glass panel sealing gasket 6 is tightly fitted with the inner bottom of the glass mounting housing 7, and the top of the first sealing gasket 3 is tightly fitted with the bottom of the glass mounting housing 7. The overall installation of the floodlight is now complete.

[0037] Furthermore, all contents not described in detail in this specification are existing technologies known to those skilled in the art, and all electrical components mentioned in this document are powered by external power supply lines.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A floodlight with a high waterproof and dustproof rating, comprising a lamp body shell (1), heat dissipation fins (9), and a glass fixing shell (7), characterized in that: The heat dissipation fins (9) are disposed on the outside of the lamp body shell (1). An external threaded cylinder (2) is fixedly installed on the top of the lamp body shell (1). An LED lamp board (12) is fixedly installed inside the lamp body shell (1). The LED lamp board (12) is located inside the external threaded cylinder (2). The lamp body shell (1), the heat dissipation fins (9) and the external threaded cylinder (2) are integrally cast. An internal threaded groove (8) is opened on the inner wall of the glass fixing shell (7). The glass fixing shell (7) is screwed to the outside of the external threaded cylinder (2). A light-transmitting glass panel (5) is disposed between the external threaded cylinder (2) and the glass fixing shell (7). The light-transmitting glass panel (5) is located above the LED lamp board (12).

2. The floodlight with a high waterproof and dustproof rating according to claim 1, characterized in that: An annular sealing groove (4) is provided on the top of the lamp housing (1) and on the outside of the mounting external threaded cylinder (2). A first sealing gasket (3) is inserted into the annular sealing groove (4), and the top of the first sealing gasket (3) is attached to the bottom of the glass fixing shell (7).

3. A floodlight with a high waterproof and dustproof rating according to claim 1, characterized in that: The upper and lower outer edges of the light-transmitting glass panel (5) are fixedly installed with glass panel sealing gaskets (6). The top wall of the upper glass panel sealing gasket (6) is attached to the inner bottom of the glass fixing shell (7), and the bottom of the lower glass panel sealing gasket (6) is attached to the top of the external threaded cylinder (2).

4. A floodlight with a high waterproof and dustproof rating according to claim 2, characterized in that: The bottom of the lamp housing (1) is provided with a sealing threaded hole (13), and a cable (10) is inserted into the inside of the sealing threaded hole (13). The top of the cable (10) passes through the bottom of the lamp housing (1) and is inserted into the inside of the lamp housing (1). The cable (10) is electrically connected to the LED light board (12).

5. A floodlight with a high waterproof and dustproof rating according to claim 4, characterized in that: The inside of the sealing threaded hole (13) is screwed with a cable threaded sealing head (11). The cable (10) passes through the inside of the cable threaded sealing head (11). A cable sealing ring (14) is fixedly installed on the top of the cable threaded sealing head (11). The cable (10) passes through the inside of the cable sealing ring (14). The top wall of the cable sealing ring (14) is attached to the outside of the insertion point between the cable (10) and the lamp housing (1).

6. A floodlight with a high waterproof and dustproof rating according to claim 1, characterized in that: The lamp housing (1), heat dissipation fins (9) and mounting external threaded cylinder (2) are all made of ADC12 aluminum alloy, and the glass fixing shell (7) is made of 304 stainless steel.

7. A floodlight with a high waterproof and dustproof rating according to claim 5, characterized in that: The first sealing gasket (3) and the glass panel sealing gasket (6) are both made of EPDM rubber, and the cable sealing ring (14) is made of fluororubber.

8. A floodlight with a high waterproof and dustproof rating according to claim 4, characterized in that: The material of the light-transmitting glass panel (5) is ultra-white tempered glass, and the material of the outer sheath of the cable (10) is polyvinyl chloride.