LED projection lamp for floodlighting

Abstract

The LED project lamp comprises a base, a first support, a lamp body and a second support, the first support is arranged on the base, the second support is arranged on the lamp body, the first support and the second support are in rotating fit through a connecting shaft, a chuck is arranged on the first support, and the chuck is arranged on the second support. The chuck is provided with a positioning hole, the second support is provided with a positioning rod matched with the positioning hole, the positioning rod reciprocates in the axis direction of the connecting shaft, the first support is provided with a first fluted disc, the second support is provided with a second fluted disc matched with the first fluted disc, and the second fluted disc is provided with a second fluted disc matched with the second fluted disc. The clamp has the advantages that the first support and the second support are matched in a rotating mode, the chuck is arranged on the first support, the positioning rod on the second support is matched with the positioning hole in the chuck, the positioning hole is arranged at a specific angle, and the positioning rod can be matched with the positioning hole at the specific angle.

Description

Technical Field

[0001] This utility model relates to lighting equipment, and in particular to an LED floodlight for floodlighting. Background Technology

[0002] Floodlights are often needed in places such as building facades, plazas, recreational sports fields, stages, billboards, artificial hills, and bridges. The lighting angle of these floodlights often needs to be adjusted according to the lighting needs of the venue.

[0003] A search revealed a Chinese invention patent (authorization announcement number: CN103511919B) that provides a floodlight. The application includes an adapter plate connected to the rear cover of the lamp housing and a mounting plate installed on the upper cover of the base. The mounting plate and the adapter plate are rotatably connected. The rotation of the adapter plate relative to the mounting plate is used to adjust the projection angle of the lamp head.

[0004] The adapter plate includes a plate body and two first lugs, each extending vertically from one end of the plate body towards the same side. The mounting plate includes a Z-shaped frame, where a first connecting plate portion for connecting the adapter plate and a second connecting plate portion for connecting the base cover are not parallel. For example, the first connecting plate portion forms an angle of one degree with the plane containing the second connecting plate portion. A second lug is provided on the side of the first connecting plate portion to match and connect with the first lugs. This allows for better matching and connection of the first and second lugs to achieve angle adjustment, facilitating user adjustment of the lamp head's illumination range. The bracket also includes a fixing screw, a sleeve, and a nut. The sleeve is located between the two first lugs. The fixing screw passes through the two first lugs, the two second lugs, and the sleeve before engaging with the nut, allowing the adapter plate and mounting plate to be rotatably connected, facilitating user adjustment of the lamp head's illumination range.

[0005] The aforementioned shortcomings of the existing technology are that it can only freely adjust and fix the angle, but cannot quickly position special angles, and the fixation by screws and nuts is prone to rotation under the action of external forces, resulting in angle deviation. Therefore, it is urgent to improve this shortcoming. Utility Model Content

[0006] The purpose of this invention is to address the above-mentioned problems. This invention provides an LED floodlight for floodlighting, which has the advantages of being able to quickly adjust to special angles and having a better fixing effect.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an LED floodlight for flood illumination, comprising a base, a first bracket, a lamp body, and a second bracket. The first bracket is disposed on the base, and the second bracket is disposed on the lamp body. The first bracket and the second bracket are rotatably coupled via a connecting shaft. The first bracket is provided with a chuck, and the chuck is provided with a positioning hole. The second bracket is provided with a positioning rod, and the positioning rod is coupled with the positioning hole. The positioning rod reciprocates along the axial direction of the connecting shaft. The first bracket is provided with a first gear plate, and the second bracket is provided with a second gear plate that engages with the first gear plate. The first gear plate and the second gear plate engage to restrict rotation between the first bracket and the second bracket.

[0008] Preferably, the connecting shaft is a shaft bolt, the end of the shaft bolt is provided with a threaded portion, the second bracket is provided with a connecting cylinder, the connecting cylinder is provided with a connecting hole that movably engages with the shaft bolt, and the bottom of the connecting hole is provided with a threaded hole that engages with the threaded portion of the shaft bolt.

[0009] Preferably, a limiting block is provided at one end of the positioning rod, and a spring is provided between the limiting block and the first bracket. The spring is sleeved on the outer periphery of the positioning rod, and the spring always drives the positioning rod to move closer to the chuck.

[0010] Preferably, the first bracket is provided with a fixed shaft, and a swing block that cooperates with the positioning rod is rotatably provided on the outer circumference of the fixed shaft.

[0011] Preferably, the first bracket is provided with a dial, and the second bracket is provided with a pointer that cooperates with the dial.

[0012] Preferably, the lamp body includes a housing, a rear cover, a front cover, a substrate, and a light source. The housing is provided with a mounting plate. The rear cover is detachably and fixedly installed at the rear end of the housing. The front cover is detachably and fixedly installed at the front end of the housing. The substrate is mounted on the mounting plate. The light source is electrically connected to the substrate. A light-transmitting plate is also provided between the front cover and the substrate.

[0013] Preferably, the lamp body further includes a lens that corresponds to and cooperates with the light source, and the lens is disposed between the substrate and the light-transmitting plate.

[0014] Preferably, the lamp body further includes a light-blocking plate, and the light-blocking plate is provided with mounting holes that correspond to and cooperate with the lens.

[0015] Preferably, the mounting plate is further provided with heat sinks and heat conduction pillars, and the shell, mounting plate, heat sinks and heat conduction pillars are integrally formed by die casting.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This utility model provides an LED floodlight for floodlighting. Through the rotational engagement of a first bracket and a second bracket, a chuck is provided on the first bracket, and a positioning rod on the second bracket engages with a positioning hole on the chuck. Since the positioning hole is positioned at a specific angle, the positioning rod can engage with the positioning hole at that specific angle, thereby achieving a rapid positioning function at a specific angle. The engagement of the first and second gear plates restricts rotation between the first and second brackets, thus preventing angle changes due to external forces after the angle between the first and second brackets is fixed. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention from a first-person perspective;

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention from a second perspective;

[0020] Figure 3 This is a schematic diagram of the exploded three-dimensional structure of this utility model;

[0021] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0022] Figure 5 This is a three-dimensional structural diagram of the shell of this utility model;

[0023] Figure 6 This is a three-dimensional structural diagram of the back cover of this utility model;

[0024] Figure 7 This is a three-dimensional structural diagram of the positioning rod and swing rod of this utility model;

[0025] Figure 8 for Figure 2 A magnified structural diagram of A in the diagram.

[0026] Figure Descriptions: 1. Base; 11. First bracket; 111. First gear plate; 112. Dial; 113. Limiting post; 12. Connecting shaft; 121. Threaded part; 13. Positioning rod; 131. Limiting block; 14. Swinging block; 141. Groove; 15. Connecting cylinder; 151. Connecting hole; 16. Spring; 152. Threaded hole; 2. Lamp body; 21. Second bracket; 211. Second gear plate; 212. Pointer; 22. Housing; 221. Mounting plate; 222. Heat sink; 223. Heat-conducting column; 23. Front cover; 24. Light-transmitting plate; 25. Light-blocking plate; 251. Mounting hole; 26. Lens; 27. Base plate; 28. Rear cover; 29. ​​Chuck; 291. Positioning hole; 3. Light source. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1-8 As shown, an LED floodlight for floodlighting includes a base 1, a first bracket 11, a lamp body 2, and a second bracket 21. The first bracket 11 is disposed on the base 1, and the second bracket 21 is disposed on the lamp body 2. The first bracket 11 and the second bracket 21 are rotatably engaged by a connecting shaft 12. The first bracket 11 is provided with a chuck 29, which has a plurality of positioning holes 291. The second bracket 21 is provided with a positioning rod 13, which is engaged with the positioning holes 291. The positioning rod 13 reciprocates along the axial direction of the connecting shaft 12. The first bracket 11 is provided with a first gear 111, and the second bracket 21 is provided with a second gear 211 that engages with the first gear 111. The teeth on the first gear 111 and the second gear 211 are evenly arranged around the axial direction of the connecting shaft 12. The first gear 111 and the second gear 211 engage to restrict the rotation between the first bracket 11 and the second bracket 21.

[0029] The base 1 is provided with a fixing plate, and the fixing plate is provided with mounting holes 251. The fixing plate is used to connect to external equipment through bolts and other connecting parts.

[0030] The connecting shaft 12 is a shaft bolt, and the end of the shaft bolt is provided with a threaded part 121. The second bracket 21 is provided with a connecting cylinder 15, and the connecting cylinder 15 is provided with a connecting hole 151 that is movably engaged with the shaft bolt. The bottom of the connecting hole 151 is provided with a threaded hole 152 that is threadedly engaged with the threaded part 121.

[0031] One end of the positioning rod 13 is provided with a limiting block 131, and a spring 16 is provided between the limiting block 131 and the first bracket 11. The spring 16 is sleeved on the outer periphery of the positioning rod 13, and the spring 16 always drives the positioning rod 13 to move closer to the chuck 29.

[0032] The first bracket 11 is provided with a fixed shaft, and a swing block 14 that cooperates with the positioning rod 13 is rotatably provided on the outer circumference of the fixed shaft. When the swing block 14 cooperates with the limiting block 131, it is used to restrict the limiting block 131 from moving towards the side closer to the chuck 29. The first bracket 11 is also provided with a limiting post 113. The swing block 14 swings back and forth around the fixed shaft at a first position and a second position. When the swing block 14 is in the first position, the swing block 14 is limited and cooperates with the limiting post 113. When the swing block 14 is in the second position, the swing block 14 is limited and cooperates with the limiting block 131.

[0033] When the angle needs to be freely adjusted, the positioning rod 13 is pulled out, causing the swing block 14 to move to the second position, thereby making the swing block 14 and the limiting block 131 on the positioning rod 13 limit each other. At this time, the positioning rod 13 is disengaged from the chuck 29, thus enabling the adjustment of any angle.

[0034] When the swing block 14 is in the first position, the positioning rod 13 disengages from the swing block 14, and the spring 16 drives the positioning rod 13 to move towards the side closer to the chuck 29. By rotating the lamp body 2, the angle can be adjusted. When the angle between the lamp body 2 and the base 1 is rotated to a specific position, the positioning rod 13 will engage with the positioning hole 291 at the specific position, thereby achieving the function of quick positioning. When adjusting to other angles, simply pull out the positioning rod 13 to disengage from the positioning hole 291, thereby enabling the function of readjusting other specific angles.

[0035] The swing block 14 is provided with a groove 141. When the swing block 14 is in the second position, the spring 16 and the positioning rod 13 are located in the groove 141.

[0036] The first bracket 11 is provided with a scale 112, and the second bracket 21 is provided with a pointer 212. The pointer 212 is used in conjunction with the scale 112. When the positioning rod 13 is engaged with different positioning holes 291, the pointer 212 can correspond to the positions of 30°, 45°, 60°, 90°, 135°, 150° and 180° on the scale 112, thereby achieving the function of quick positioning at special angles.

[0037] The lamp body 2 includes a housing 22, a rear cover 28, a front cover 23, a substrate 27, and several light sources 3. The housing 22 is provided with a mounting plate 221. The rear cover 28 is detachably and fixedly installed at the rear end of the housing 22. The front cover 23 is detachably and fixedly installed at the front end of the housing 22. The substrate 27 is installed on the mounting plate 221. All light sources 3 are electrically connected to the substrate 27. A light-transmitting plate 24 is also provided between the front cover 23 and the substrate 27.

[0038] In this application, the substrate 27 is a PCB board, which is used to fix electrical components such as power supplies and surge protectors.

[0039] The light source 3 mentioned in this application is an LED lamp.

[0040] The lamp body 2 also includes a plurality of lenses 26 that correspond one-to-one with the light source 3, and the lenses 26 are disposed between the substrate 27 and the light-transmitting plate 24.

[0041] The lamp body 2 also includes a light-blocking plate 25, which has a plurality of mounting holes 251 that correspond one-to-one with the lens 26, and the lens 26 is disposed in the mounting holes 251.

[0042] The lens 26 concentrates the light, thus acting as a light-focusing device. The light-blocking plate 25 blocks excess light from the lens 26, making the light more concentrated and preventing it from scattering.

[0043] The mounting plate 221 is also provided with heat sinks 222 and heat conduction columns 223. The housing 22, mounting plate 221, heat sinks 222 and heat conduction columns 223 are formed into one piece by die casting. By setting multiple heat sinks 222, the effective area of ​​each heat sink 222 can be fully utilized, which improves the heat conduction speed and convective heat transfer coefficient, and makes the heat dissipation of each part more uniform and the heat dissipation performance better.

[0044] 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.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art 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 appended claims and their equivalents.

Claims

1. An LED floodlight for flood illumination, comprising a base (1), a first bracket (11), a lamp body (2), and a second bracket (21), wherein the first bracket (11) is disposed on the base (1), and the second bracket (21) is disposed on the lamp body (2), and the first bracket (11) and the second bracket (21) are rotatably coupled through a connecting shaft (12), characterized in that: The first support (11) is provided with a chuck (29), the chuck (29) is provided with a positioning hole (291), the second support (21) is provided with a positioning rod (13), the positioning rod (13) is matched with the positioning hole (291), the positioning rod (13) reciprocates along the axis direction of the connecting shaft (12), the first support (11) is provided with a first gear disc (111), the second support (21) is provided with a second gear disc (211) matched with the first gear disc (111), and the first gear disc (111) and the second gear disc (211) are matched to limit the rotation between the first support (11) and the second support (21).

2. The LED flood lamp according to claim 1, wherein: The connecting shaft (12) is a shaft bolt, the end of the shaft bolt is provided with a threaded part (121), the second support (21) is provided with a connecting barrel (15), the connecting barrel (15) is provided with a connecting hole (151) movably matched with the shaft bolt, and the bottom of the connecting hole (151) is provided with a threaded hole (152) matched with the threaded part (121) of the shaft bolt.

3. The LED flood lamp for flood lighting according to claim 1, wherein: One end of the positioning rod (13) is provided with a limiting block (131), the limiting block (131) is abutted with the first support (11) through a spring (16), the spring (16) is sleeved on the outer periphery of the positioning rod (13), and the spring (16) always drives the positioning rod (13) to move towards the side close to the chuck (29).

4. The LED flood lamp according to claim 3, wherein: The first support (11) is provided with a fixed shaft, and the outer periphery of the fixed shaft is rotatably provided with a swing block (14) matched with the positioning rod (13).

5. The LED flood lamp for flood lighting according to claim 1, wherein: The first support (11) is provided with a scale disc (112), and the second support (21) is provided with a pointer (212) matched with the scale disc (112).

6. The LED flood lamp for flood lighting according to claim 1, wherein: The lamp body (2) comprises a shell (22), a rear cover (28), a front cover (23), a substrate (27) and a light source (3), the shell (22) is provided with a mounting plate (221), the rear cover (28) is detachably fixed to the rear end of the shell (22), the front cover (23) is detachably fixed to the front end of the shell (22), the substrate (27) is mounted on the mounting plate (221), the light source (3) is electrically connected to the substrate (27), and the front cover (23) and the substrate (27) are further provided with a light transmission plate (24).

7. The LED flood lamp according to claim 6, wherein: The lamp body (2) further comprises a lens (26) matched with the light source (3), and the lens (26) is arranged between the substrate (27) and the light transmission plate (24).

8. The LED flood lamp for flood lighting according to claim 7, wherein: The lamp body (2) further comprises a light shielding plate (25), and the light shielding plate (25) is provided with a mounting hole (251) matched with the lens (26).

9. The LED flood lamp for flood lighting according to claim 6, wherein: The mounting plate (221) is further provided with a heat dissipation fin (222) and a heat conduction column (223), and the shell (22), the mounting plate (221), the heat dissipation fin (222) and the heat conduction column (223) are integrally formed by die casting.

Images