A detachable projection lamp

Abstract

The utility model relates to a kind of easily disassembled projection lamp, including rear shell and fixedly arranged in the face mask of rear shell front, the rear shell is provided with the cavity of front opening, PCBA is fixed in the cavity, and PCBA front array has several LED lamp beads;The part of the cavity in PCBA rear side is provided with battery cabin, the battery cabin is provided with the battery electrically connected with the PCBA, the waterproof joint is provided in the bottom of the rear shell, and the waterproof joint is electrically connected with the PCBA;The face mask is composed of front frame and transparent panel embedded in front frame, the front frame is engaged with rear shell, and several LED lamp beads correspond with the transparent panel each other.This easily disassembled projection lamp front frame and the cooperation mode of rear shell between using clamping connection, dismounting is convenient, the battery of inside setting ensures the lighting effect in the case of power failure, projection lamp is flexibly adjusted according to the requirement of illumination angle, and the flexibility of product use is high, and application range is wide.

Description

Technical Field

[0001] This utility model relates to lighting fixtures, and more particularly to a detachable floodlight. Background Technology

[0002] As a lighting tool, spotlights are mainly used for architectural decorative lighting, as well as for outlining the contours of large buildings. In addition, spotlights are also widely used in many landscape areas. As a lighting fixture that enhances the effect of a scene, its application range is very wide.

[0003] Existing floodlights are mainly divided into two types based on their shape: rectangular and circular. Rectangular floodlights are easier to install and more stable and reliable, thus they are more widely used. This type of floodlight mainly consists of a transparent panel, a back shell, and an LED light board. The LED light board is fixedly installed inside the back shell, and a power cable runs through the outside of the back shell to facilitate power connection. The transparent panel is fixedly installed on the front of the back shell, and the LED beads on the LED light board correspond to the transparent panel, allowing the light generated by the LED beads to shine outwards through the transparent panel. However, existing projector transparent panels are glued to the front of the back cover. While this method provides a seamless seal, it also makes removal difficult. Damage to internal electrical components is inconvenient, often requiring replacement, leading to higher costs. The glass panels, being easily broken, further complicate the process. Existing projector projectors generate high temperatures, and while heat dissipation is often achieved through sheet-like designs, this is less effective for high-powered projectors, posing a safety hazard in dry environments. Finally, existing projectors rely on direct power cords, meaning they are rendered useless during power outages. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a detachable floodlight that is easy to assemble and disassemble and can store electricity.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] A detachable floodlight includes a rear housing and a face shield fixedly mounted on the front of the rear housing. The rear housing has a cavity with a front opening, and a PCBA is fixed within the cavity. A plurality of LED beads are arrayed on the front of the PCBA. A battery compartment is located at the rear of the PCBA within the cavity, and a battery electrically connected to the PCBA is housed in the battery compartment. A waterproof connector is located at the bottom of the rear housing and is electrically connected to the PCBA. The waterproof connector, when connected to a power source, can charge the battery via the PCBA. The face shield consists of a front frame and a transparent panel embedded within the front frame. The front frame and the rear housing are snap-fitted together, and the plurality of LED beads correspond to the transparent panel.

[0007] Furthermore, a reflector is provided between the transparent panel and the PCBA, and the reflector is provided with light guide holes corresponding to the number and position of the LED beads, and the light guide holes are tapered holes.

[0008] Furthermore, a recessed slot is provided on the back of the front frame near the edge, and a protruding limiting protrusion is provided in the slot. The limiting protrusion has a slope on one side corresponding to the back of the front frame. A buckle is provided on the front of the rear housing near the edge. The buckle is inserted into the slot and is locked and limited by the limiting protrusion.

[0009] Furthermore, a loading and unloading groove is provided on one side of the card slot.

[0010] Furthermore, a vent valve communicating with the cavity is provided at the bottom of the rear housing.

[0011] Furthermore, a bracket is provided on the rear housing near the lower end, which is movably connected to the bracket. The bracket is in the shape of "[" and has multiple fixing holes that are connected front and back on its back.

[0012] Furthermore, the bracket is provided with symmetrical shaft joints at both ends, and the two shaft joints are respectively connected to the two sides of the rear housing by external hexagonal bolts.

[0013] Furthermore, the end face of the shaft connector is provided with a shaft connection hole that connects the front and rear, one side of the end of the bracket is provided with a connecting hole that connects the left and right, the side of the rear housing is provided with a connecting hole near the bottom, and the back of the rear housing is provided with a countersunk hole at the same level as the connecting hole. The connecting hole and the countersunk hole are interconnected. A nut is provided in the countersunk hole, and the external hexagonal bolt passes through the shaft connection hole, the connecting hole and the connecting hole in sequence and is connected to the nut.

[0014] Furthermore, the end of the shaft connector is circular, and its back surface has a circular array of locking teeth and a connecting groove for easy insertion into the side of the bracket end; the side of the rear housing is provided with an annular limiting tooth located outside the connecting hole, and the locking teeth and the annular limiting tooth are engaged.

[0015] Compared with the prior art, the advantages of this utility model are: the front frame and rear housing of this detachable floodlight are connected by a snap-fit ​​joint, which makes disassembly and assembly convenient, thus facilitating later product maintenance, ensuring product lifespan, and saving operating costs; the internal battery can easily store electricity, and can continue to provide power in the event of a power outage, ensuring lighting effect and better application performance; the bracket on the back of the rear housing facilitates the installation and fixation of the lamp body, and the angle of the bracket can be flexibly adjusted, thus allowing the floodlight to be flexibly adjusted according to lighting angle requirements, resulting in high product flexibility and a wide range of applications. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the front axonometric structure of a detachable floodlight according to this utility model;

[0018] Figure 2 This is a schematic diagram of the axial structure of the back of a detachable floodlight according to this utility model;

[0019] Figure 3 This is a schematic diagram of the front structure of a detachable floodlight according to this utility model;

[0020] Figure 4 yes Figure 3 Structural cross-sectional view of AA;

[0021] Figure 5 This is a side view of a detachable floodlight according to the present invention.

[0022] Figure 6 yes Figure 5 Structural sectional view of BB;

[0023] Figure 7 yes Figure 6 Enlarged view of the structure of C in the middle;

[0024] Figure 8 This is a schematic diagram of the rear structure of the rear housing of a detachable floodlight according to this utility model;

[0025] Figure 9 This is a schematic diagram of the bracket structure in a detachable floodlight according to this utility model;

[0026] Figure 10 This is a schematic diagram of a detachable floodlight central shaft connector structure according to this utility model;

[0027] Figure 11 This is a schematic diagram of the front structure of the reflector in a detachable floodlight according to this utility model;

[0028] Figure 12 This is a schematic diagram of the front structure of the PCBA in a detachable floodlight according to this utility model.

[0029] In the diagram: 1. Rear housing; 11. Countersunk hole; 12. Cavity; 121. Battery compartment; 13. Buckle; 14. Positioning post; 15. Connecting hole; 151. Annular limiting tooth; 2. Front frame; 21. Transparent panel; 22. Loading / unloading groove; 23. Limiting protrusion; 24. Slot; 3. Waterproof connector; 4. Vent valve; 5. Bracket; 6. Shaft connector; 61. External hex bolt; 611. Shaft connection hole; 612. Clamping tooth; 613. Connecting groove; 62. Nut; 7. PCBA; 71. LED lamp bead; 8. Reflector; 81. Light guide hole; 9. Battery. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In the description of the embodiments of the present invention, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," or "outer" indicate orientation or positional relationships based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships commonly used when the product of the present invention is in use, they are only for the convenience of describing the present invention 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 the present invention. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0032] Furthermore, the use of terms such as "horizontal" or "vertical" does not imply that the component must be absolutely horizontal or vertical, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure or component must be completely horizontal, but can be slightly tilted.

[0033] In the description of the embodiments of this utility model, "a plurality of" means at least two.

[0034] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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 mechanical connection or an electrical 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 according to the specific circumstances.

[0035] Example

[0036] Please refer to the instruction manual attached. Figures 1-3 As shown in Figure 5, the instruction manual is attached. Figures 1-3 Figure 5 shows a specific embodiment of a detachable floodlight according to this utility model. The detachable floodlight includes a rear housing 1 and a face shield fixedly disposed on the front of the rear housing 1; see appendix to the specification. Figure 4 and 6As shown, the rear housing 1 has a cavity 12 with an opening on the front, and strip-shaped heat dissipation grooves are arranged along its left and right length on the back to ensure heat dissipation. To further improve the heat dissipation effect inside the rear housing 1, please refer to the appendix of the instruction manual. Figure 1 As shown, a vent valve 4 communicating with the cavity 12 is provided at the bottom of the rear housing 1; see the appendix of the instruction manual. Figure 4 As shown, a PCBA7 is fixed inside the cavity 12. To facilitate the installation of the PCBA7, a positioning post is provided inside the cavity 12. The positioning post has a threaded hole with an opening at the top at its center. The PCBA7 has fixing holes corresponding to the number and position of the positioning posts inside the cavity 12. The PCBA7 is fixedly connected to the corresponding positioning post by screws passing through the preset fixing holes and threaded holes. Figure 12 As shown, the front array of the PCBA7 has several LED beads 71; refer to the attached manual. Figure 1 , 3 As shown in Figure 4, the face mask consists of a front frame 2 and a transparent panel 21 embedded in the front frame 2. It should be noted that the transparent panel 21 is glued together with the pre-set recess in the center of the front frame 2 around its perimeter, with no gaps at the joint to ensure a tight seal. The transparent panel 21 is a transparent glass panel or a transparent PC panel. Several LED beads 71 ​​correspond to the transparent panel 21. To ensure better outward illumination of the light generated by the LED beads 71, please refer to the appendix of the instruction manual. Figure 4 , 6 As shown in Figure 11, a reflector 8 is provided between the transparent panel 21 and the PCBA7. It should be noted that the front edge of the reflector 8 is in contact with the back of the front frame 2, and the back is in contact with the front of the PCBA7. The reflector 8 has light guide holes 81 corresponding to the number and position of the LED beads 71. The light guide holes 81 are tapered, with the rear diameter smaller than the front diameter. The LED beads 71 ​​are located within the rear diameter of the light guide holes 81. To facilitate the assembly and disassembly of the face mask and the rear housing 1, the front frame 2 and the rear housing 1 are snap-fitted together. For further details on facilitating the assembly and disassembly of the face mask and the rear housing 1, please refer to the appendix to the instruction manual. Figure 7As shown, a recessed groove 24 is provided on the back of the front frame 2 near the edge. The front edge of the rear housing 1 can be fitted into the groove 24. In order to provide a locking and restraining effect on the rear housing, a protruding limiting protrusion 23 is provided in the groove 24. Correspondingly, a buckle 13 is provided on the outer side of the front of the rear housing 1 near the edge. The buckle 13 can be inserted into the groove 24. After the buckle 13 is inserted into the groove 24, its back side abuts against the front side of the limiting protrusion 23. The buckle 13 is secured by the limiting protrusion. The buckle 23 engages with the limiting protrusion 23 to secure the face mask to the front of the rear housing 1. To facilitate smooth engagement between the buckle 13 and the limiting protrusion 23, the side of the limiting protrusion 23 corresponding to the back of the front frame 2 is sloped, meaning the back of the limiting protrusion 23 is sloped. Correspondingly, the front of the buckle 13 is also sloped. When the buckle 13 is inserted into the slot 24, the sloped front of the buckle 13 corresponds to and fits against the sloped back of the limiting protrusion 23, facilitating a smooth transition. For easy removal of the face mask from the rear housing 1, please refer to the appendix of the instruction manual. Figure 8 As shown, a loading / unloading groove 22 is provided on one side of the slot 24. Multiple loading / unloading grooves 22 are evenly distributed along the contour of the slot 24. By inserting a flathead screwdriver into the loading / unloading groove 22 and pressing it outwards, the screwdriver tip can press against the outer edge of the rear housing 1, causing the edge of the rear housing 1 to press inwards. This allows the buckle 13 to separate from the limiting protrusion 23, facilitating the removal of the face mask from the rear housing 1. To ensure a tight seal between the rear housing 1 and the face mask, a raised baffle is provided along the contour of the loading / unloading groove 24. The front of the rear housing 1 has an insertion groove that can fit into the baffle. A sealing ring is embedded in the insertion groove, the diameter of which is smaller than the depth of the insertion groove. After the face mask and the rear housing 1 are assembled, the baffle is fitted into the insertion groove, and the bottom of the baffle is tightly fitted with the sealing ring, ensuring a tight seal between the face mask and the rear housing 1 and effectively preventing dust and liquid from seeping into the rear housing 1.

[0037] To ensure the floodlights continue to provide illumination during power outages, please refer to the instruction manual appendix. Figure 4 and 6As shown, a battery compartment 121 is provided in the cavity 12 at the rear side of the PCBA7. The battery compartment 121 contains a battery 9 electrically connected to the PCBA7. The battery is a 23700 lithium iron phosphate battery. A waterproof connector 3 is provided at the bottom of the rear housing 1. The waterproof connector 3 is electrically connected to the PCBA7. After the waterproof connector 3 is connected to the power supply, the battery 9 can be charged through the PCBA7. It should be noted that the PCBA7 is provided with a charge and discharge controller, which facilitates the power supply to charge the battery 9 through the controller and at the same time facilitates the control of the battery 9 to discharge to the PCBA7, which is convenient for lighting up the LED beads 71. In order to facilitate manual control of the LED beads, a touch switch is electrically connected to the PCBA7. The touch button of the touch switch is attached to the front of the front frame 2, which facilitates manual control of the floodlight.

[0038] For easy installation of the floodlights, please refer to the attached instruction manual. Figure 2 and 9 As shown, a bracket 5 is movably connected to the lower end of the rear housing 1. The bracket 5 is "[" shaped, with its left and right folded edges connected to the two sides of the rear housing 1. To facilitate the installation and fixing of the bracket 5, multiple front-to-back connecting fixing holes are provided on the back of the bracket 5. These fixing holes are arranged along the length of the bracket 5 and consist of round holes and oblong holes, allowing for easy installation and fixing on the pre-assembly surface using screws. For easy adjustment of the bracket 5's angle to adapt to different installation requirements or to facilitate adjustment of the lighting angle, please refer to the appendix of the instruction manual. Figure 6 and 9 As shown, the bracket 5 has symmetrical shaft joints 6 at both ends. The ends of the shaft joints 6 are circular. The two shaft joints 6 are respectively connected to the two sides of the rear housing 1 by external hexagonal bolts 61. The bracket 5 can be adjusted in an upward angle relative to the rear housing 1 through the shaft joints 6. For easier adjustment of the angle position of the bracket 5, please refer to the appendix of the instruction manual. Figure 10As shown, the end face of the shaft connector 6 has a shaft connection hole 611 that connects the front and rear. The bracket 5 has a connecting hole that connects the left and right sides on one side of its end, near the end of its folded edge. The diameter of this connecting hole matches the diameter of the shaft connection hole 611. The rear housing 1 has a connecting hole 15 near the bottom on its side. The diameter of this connecting hole 15 matches the diameter of the shaft connection hole 611. The back of the rear housing 1 has a countersunk hole 11 at the same horizontal position as the connecting hole 15. The connecting hole 15 and the countersunk hole 11 are interconnected. A nut 62 is installed inside the countersunk hole 11. The external hex bolt 61 passes sequentially through the shaft connection hole 611, the connecting hole, and the connecting hole 15 to connect with the nut 62. The external hex bolt 61 and the nut 62 are threaded together. Rotating the external hex bolt 61 clockwise or counterclockwise allows it to move left or right relative to the nut 62, thereby enabling the tightening and loosening of the shaft joint 6 and the bracket 5 relative to the rear housing 1, facilitating the adjustment of the angular position of the bracket 5. To ensure that the position of the bracket 5 is effectively guaranteed after the shaft joint 6 is tightened with the external hex bolt 61, and to prevent the shaft joint 6 from rotating or sliding, please refer to the appendix of the instruction manual. Figure 10 As shown, the back of the bracket 5 has a circular array of locking teeth 612 and a connecting groove 613 for easy insertion into the side of the bracket end. The connecting groove 613 separates the annular locking teeth 612, facilitating the assembly of the bracket 5's folded edge. The connecting groove 613 also restricts the position of the bracket 5, allowing the bracket 5 to move synchronously with the shaft connector 6 when adjusting its angle. In order for the locking groove 612 on the shaft connector 6 to engage with the side of the rear housing 1, an annular limiting tooth 151 is provided on the side of the rear housing 1 outside the connecting hole 15. The locking teeth 612 and the annular limiting tooth 151 engage with each other. Through the mutual engagement of the locking teeth 612 and the annular limiting tooth 151, the axial position of the shaft connector 6 can be effectively limited. This ensures that the axial position of the shaft connector 6 will not move arbitrarily after the bracket 5's angle is adjusted and the shaft connector 6 is tightened, thus ensuring the stability of the bracket 5's position.

[0039] This detachable floodlight features a snap-fit ​​connection between the front frame and rear housing, facilitating easy assembly and disassembly, thus simplifying maintenance, extending product lifespan, and reducing operating costs. The internal battery 9 provides convenient power storage, ensuring continued illumination during power outages and enhancing overall lighting performance. The bracket 5 on the back of the rear housing 1 facilitates easy installation and fixation of the light fixture, and its angle is flexibly adjustable, allowing for flexible adjustments to the floodlight to meet specific lighting angle requirements. This high level of product flexibility and wide applicability makes the product highly versatile.

[0040] It should be emphasized that the above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A detachable floodlight, comprising a rear housing (1) and a face shield fixedly disposed on the front side of the rear housing (1), characterized in that: The rear housing (1) has a cavity (12) with a front opening. A PCBA (7) is fixed in the cavity (12). A number of LED beads (71) are arranged on the front of the PCBA (7). A battery compartment (121) is provided in the cavity (12) at the rear side of the PCBA (7). A battery (9) electrically connected to the PCBA (7) is provided in the battery compartment (121). A waterproof connector (3) is provided at the bottom of the rear housing (1). The waterproof connector (3) is electrically connected to the PCBA (7). After the waterproof connector (3) is connected to the power supply, the battery (9) can be charged through the PCBA (7). The face mask is composed of a front frame (2) and a transparent panel (21) embedded in the front frame (2). The front frame (2) and the rear housing (1) are snapped together. A number of LED beads (71) correspond to the transparent panel (21).

2. The detachable floodlight according to claim 1, characterized in that: A reflector (8) is provided between the transparent panel (21) and the PCBA (7). The reflector (8) is provided with light guide holes (81) corresponding to the number and position of the LED beads (71). The light guide holes (81) are tapered holes.

3. A detachable floodlight according to claim 1, characterized in that: The front frame (2) has a recessed slot (24) near the edge on the back side, and a protruding limiting protrusion (23) is provided in the slot (24). The limiting protrusion (23) has a slope on one side corresponding to the back side of the front frame (2). The rear shell (1) has a buckle (13) near the edge on the front side. The buckle (13) is inserted into the slot (24) and is locked and limited by the limiting protrusion (23).

4. A detachable floodlight according to claim 3, characterized in that: A loading and unloading groove (22) is provided on one side of the card slot (24).

5. A detachable floodlight according to claim 1, characterized in that: The bottom of the rear housing (1) is provided with a vent valve (4) that communicates with the cavity (12).

6. A detachable floodlight according to claim 1, characterized in that: The rear housing (1) is provided with a bracket (5) near the lower end, which is movably connected to the bracket (5). The bracket (5) is in the shape of "[" and has a number of fixing holes that are connected front and back on its back.

7. A detachable floodlight according to claim 6, characterized in that: The bracket (5) has symmetrical shaft joints (6) at both ends, and the two shaft joints (6) are respectively connected to the two sides of the rear housing (1) by external hexagonal bolts (61).

8. A detachable floodlight according to claim 7, characterized in that: The end face of the shaft connector (6) is provided with a shaft connection hole (611) that connects the front and rear. The end of the bracket (5) is provided with a connecting hole that connects the left and right. The side of the rear housing (1) is provided with a connecting hole (15) near the bottom. The back of the rear housing (1) is provided with a countersunk hole (11) at the same level as the connecting hole (15). The connecting hole (15) and the countersunk hole (11) are connected to each other. A nut (62) is provided in the countersunk hole (11). The external hexagonal bolt (61) passes through the shaft connection hole (611), the connecting hole and the connecting hole (15) in sequence and is connected to the nut (62).

9. A detachable floodlight according to claim 8, characterized in that: The end of the shaft connector (6) is circular, and its back has a circular array of locking teeth (612) along its outer circumference and a connecting groove (613) for easy insertion into the side of the end of the bracket (5); the side of the rear housing (1) is provided with an annular limiting tooth (151) located outside the connecting hole (15), and the locking teeth (612) are engaged with the annular limiting tooth (151).

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