Projection lamp with built-in barrel type anti-dazzle grating

Abstract

The projection lamp comprises a mounting base, a vertical frame is fixedly connected to the upper surface of the mounting base, a rotating shaft is arranged in the vertical frame in a penetrating mode, a shell is fixedly connected to one end of the rotating shaft, a fixed box is fixedly connected to the outer surface of the vertical frame, and a cylindrical anti-dazzle grating is fixedly connected to the outer surface of the fixed box. A clamping mechanism is arranged in the fixing box and comprises a gear, a pull rod and an arc-shaped rack, the outer surface of the rotating shaft is fixedly connected with the gear, a partition plate is fixedly connected to the side inner wall of the fixing box, the outer surface of the pull rod is slidably connected with the partition plate, and the bottom end of the pull rod is fixedly connected with the arc-shaped rack; the arc-shaped rack is meshed with the gear, a second rotary knob is rotated to drive a threaded rod to rotate, under the guiding effect of a sliding block, a threaded cylinder drives a clamping block to move to enable the clamping block to be separated from a fixing plate, then a pull rod is pulled upwards to enable the arc-shaped rack to be separated from the gear, and the shell can be rotated.

Description

Technical Field

[0001] The utility model relates to the technical field of floodlights, in particular to a floodlight with a built-in cylindrical anti-glare grille. Background Art

[0002] Floodlights are lamps with a higher illumination on the designated illuminated surface than the surrounding environment. They have a wide range of applications and extremely high requirements for heat dissipation and sealing. Floodlights with built-in cylindrical anti-glare grilles have a unique anti-glare light-cutting effect, can achieve multi-angle light distribution, and have excellent heat dissipation and corrosion resistance.

[0003] The existing floodlight angle adjustment method generally involves first rotating the lamp body to a specific angle and then fixing it with a fixing bolt, or rotating it through a traditional rotating connection method. After long-term use, the parts become loose, resulting in reduced stability of the lamp body, which is easily rotated by external factors, affecting the normal use of the floodlight. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a floodlight with a built-in cylindrical anti-glare grille, wherein the projection angle of the floodlight can be adjusted by means of a rotating shaft and a first knob, and before the outer shell needs to be rotated to adjust the projection angle, the second knob is rotated to drive the threaded rod to rotate, and under the guidance of the slider, the threaded barrel moves with the clamping block, so that the clamping block is separated from the fixed plate, and then the pull rod is pulled upward to separate the arc-shaped rack from the gear, and the outer shell can be rotated to adjust the angle, and the operation is simple and convenient; after the angle is adjusted, the grip ball is released to re-embed the arc-shaped rack in the gear, and the rotation of the rotating shaft is blocked, thereby fixing the outer shell, and then the second knob is reversed to re-embed the fixed plate in the inner part of the clamping block, thereby stabilizing the pull rod, and preventing the pull rod from being affected by the outside and causing the arc-shaped rack to move up and separate from the gear, thereby causing the outer shell to deflect, thereby improving the stability of the floodlight.

[0005] The utility model also provides a floodlight with the above-mentioned built-in cylindrical anti-glare grille, comprising: a mounting base, the upper surface of the mounting base is fixedly connected to a stand, a rotating shaft is arranged inside the stand, one end of the rotating shaft is fixedly connected to a shell, the outer surface of the stand is fixedly connected to a fixing box, a locking mechanism is arranged inside the fixing box, the locking mechanism comprises a gear, a pull rod and an arc-shaped rack, the outer surface of the rotating shaft is fixedly connected to the gear, the other end of the rotating shaft is fixedly connected to a first knob, a partition is fixedly connected to the side inner wall of the fixing box, the outer surface of the pull rod is slidably connected to the partition, the bottom end of the pull rod is fixedly connected to the arc-shaped rack, and the arc-shaped rack and the gear are meshed with each other.

[0006] According to the projector with a built-in cylindrical anti-glare grille, the side surface of the shell is fixedly connected to the lamp body, and the outer surface of the shell is fixedly connected to the heat dissipation plate.

[0007] According to the projector with a built-in cylindrical anti-glare grille, a convex ring is fixedly connected to the outer surface of the rotating shaft, and the outer ring surface of the convex ring is rotatably connected to the stand.

[0008] According to the projector with a built-in cylindrical anti-glare grille, a retaining ring is fixedly connected to the outer surface of the pull rod, the retaining ring is located above the partition, and a gripping ball is fixedly connected to the top end of the pull rod.

[0009] According to the described floodlight with a built-in cylindrical anti-glare grille, a stabilizing mechanism is arranged inside the fixed box, and the stabilizing mechanism includes a fixed plate, a threaded rod, a threaded barrel and a clamping block. The outer surface of the pull rod is fixedly connected to the fixed plate, both ends of the threaded rod are rotatably connected to the fixed box, one end of the threaded rod passes through the fixed box and is fixedly connected to a second knob, the outer surface of the threaded rod is threadedly connected to the threaded barrel, the side surface of the threaded barrel is fixedly connected to the clamping block, the outer surface of the fixed plate is movably connected to the clamping block, and the side inner wall of the fixed box is fixedly connected to a baffle.

[0010] According to the projector with a built-in cylindrical anti-glare grille, an end cover is provided on the upper surface of the fixing box, and a pull ring is fixedly connected to the outer surface of the end cover.

[0011] According to the projector with a built-in cylindrical anti-glare grille, a guide rod is fixedly connected to the inner side wall of the fixed box, a slider is slidably connected to the outer surface of the guide rod, and a threaded barrel is fixedly connected to the outer surface of the slider.

[0012] According to the projector with a built-in cylindrical anti-glare grille, a mounting plate is fixedly connected to the side surface of the stand, and fixing bolts are provided through the outer surface of the mounting plate.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a floodlight with a built-in cylindrical anti-glare grille according to the utility model;

[0016] Figure 2 This is a schematic diagram of the connection between the stand and the rotating shaft of a floodlight with a built-in cylindrical anti-glare grille according to the utility model;

[0017] Figure 3This is a schematic diagram of the internal structure of a fixed box of a floodlight with a built-in cylindrical anti-glare grille according to the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the stabilizing mechanism structure of a floodlight with a built-in cylindrical anti-glare grille.

[0019] Legend:

[0020] 1. Mounting base; 2. Stand; 3. Housing; 4. Rotating shaft; 5. Lamp body; 6. Heat sink; 7. Fixing box; 8. Convex ring; 9. Gear; 10. First knob; 11. End cover; 12. Pull ring; 13. Partition; 14. Pull rod; 15. Arc rack; 16. Grip ball; 17. Fixing plate; 18. Threaded rod; 19. Threaded barrel; 20. Block; 21. Second knob; 22. Guide rod; 23. Slider; 24. Baffle; 25. Mounting plate; 26. Fixing bolt; 27. Baffle. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a floodlight with a built-in cylindrical anti-glare grille, which includes: a mounting base 1, a stand 2 is fixedly connected to the upper surface of the mounting base 1, a rotating shaft 4 is provided inside the stand 2, a convex ring 8 is fixedly connected to the outer surface of the rotating shaft 4, the outer ring surface of the convex ring 8 is rotatably connected to the stand 2, one end of the rotating shaft 4 is fixedly connected to a shell 3, a lamp body 5 is fixedly connected to the side surface of the shell 3, a heat sink 6 is fixedly connected to the outer surface of the shell 3, and the shell 3 is installed by the rotating shaft 4 to facilitate the adjustment of the projection angle of the lamp body 5.

[0023] The outer surface of the stand 2 is fixedly connected to a fixed box 7, and a locking mechanism is arranged inside the fixed box 7. The locking mechanism includes a gear 9, a pull rod 14 and an arc-shaped rack 15. The outer surface of the rotating shaft 4 is fixedly connected to the gear 9, and the other end of the rotating shaft 4 is fixedly connected to a first knob 10. The side inner wall of the fixed box 7 is fixedly connected to a partition 13, the outer surface of the pull rod 14 is slidably connected to the partition 13, the bottom end of the pull rod 14 is fixedly connected to the arc-shaped rack 15, and the arc-shaped rack 15 and the gear 9 are meshed with each other. The outer surface of the pull rod 14 is fixedly connected to a retaining ring 27, and the retaining ring 27 is located above the partition 13. The top of the pull rod 14 is fixedly connected to a gripping ball 16. When it is necessary to rotate the outer shell 3, the pull rod 14 is pulled upward to disengage the arc-shaped rack 15 from the gear 9, and the outer shell 3 can be rotated to adjust the angle. When the adjustment is completed, the gripping ball 16 is released to allow the arc-shaped rack 15 to be re-embedded in the gear 9, thereby locking the rotation of the rotating shaft 4 and fixing the outer shell 3.

[0024] The interior of the fixed box 7 is provided with a stabilizing mechanism, which includes a fixed plate 17, a threaded rod 18, a threaded barrel 19 and a clamping block 20. The outer surface of the pull rod 14 is fixedly connected to the fixed plate 17, and both ends of the threaded rod 18 are rotatably connected to the fixed box 7. One end of the threaded rod 18 passes through the fixed box 7 and is fixedly connected to a second knob 21. The outer surface of the threaded rod 18 is threadedly connected to the threaded barrel 19, and the side surface of the threaded barrel 19 is fixedly connected to the clamping block 20. The inner side wall of the fixed box 7 is fixedly connected to a guide rod 22, and the outer surface of the guide rod 22 is slidably connected to a slider 23, and the outer surface of the slider 23 has a threaded The tube 19 is fixedly connected, the outer surface of the fixed plate 17 is movably connected to the block 20, and the side inner wall of the fixed box 7 is fixedly connected with a baffle 24. When the floodlight is used, the fixed plate 17 is embedded in the inside of the block 20 to stabilize the pull rod 14, preventing the pull rod 14 from being affected by the outside and causing the arc-shaped rack 15 to move up and disengage from the gear 9, thereby causing the housing 3 to deflect. When it is necessary to pull the pull rod 14, turn the second knob 21 to drive the threaded rod 18 to rotate. Under the guidance of the slider 23, the threaded tube 19 moves with the block 20, so that the block 20 is separated from the fixed plate 17, and the pull rod 14 can be pulled.

[0025] An end cover 11 is disposed on the upper surface of the fixed box 7 , and a pull ring 12 is fixedly connected to the outer surface of the end cover 11 . The end cover 11 is used to protect the internal structure of the fixed box 7 .

[0026] A mounting plate 25 is fixedly connected to the side surface of the stand 2 , and fixing bolts 26 are provided through the outer surface of the mounting plate 25 to fix the entire floodlight on the mounting base 1 .

[0027] Working principle: when it is necessary to rotate the housing 3 to adjust the projection angle, the second knob 21 is turned to drive the threaded rod 18 to rotate. Under the guidance of the slider 23, the threaded tube 19 moves with the block 20 to disengage the block 20 from the fixed plate 17, and then the pull rod 14 is pulled, and then the pull rod 14 is pulled upward to disengage the arc-shaped rack 15 from the gear 9, and the housing 3 can be rotated to adjust the angle. When the adjustment is completed, the grip ball 16 is released to re-embed the arc-shaped rack 15 into the gear 9, and the rotation of the shaft 4 is blocked, thereby fixing the housing 3, and then the second knob 21 is reversed to make the fixed plate 17 re-embedded into the inside of the block 20, which stabilizes the pull rod 14 and prevents the pull rod 14 from being affected by external factors, causing the arc-shaped rack 15 to move up and disengage from the gear 9, thereby causing the housing 3 to deflect.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A floodlight with a built-in cylindrical anti-glare grille, characterized in that: include: A mounting seat (1), wherein the upper surface of the mounting seat (1) is fixedly connected to a stand (2), a rotating shaft (4) is provided inside the stand (2), one end of the rotating shaft (4) is fixedly connected to a housing (3), the outer surface of the stand (2) is fixedly connected to a fixed box (7), a locking mechanism is provided inside the fixed box (7), the locking mechanism comprises a gear (9), a pull rod (14) and an arc-shaped rack (15), the outer surface of the rotating shaft (4) is fixedly connected to the gear (9), the other end of the rotating shaft (4) is fixedly connected to a first knob (10), the inner side wall of the fixed box (7) is fixedly connected to a partition (13), the outer surface of the pull rod (14) is slidably connected to the partition (13), the bottom end of the pull rod (14) is fixedly connected to the arc-shaped rack (15), and the arc-shaped rack (15) and the gear (9) are meshed with each other.

2. A floodlight with a built-in cylindrical anti-glare grille according to claim 1, characterized in that: A lamp body (5) is fixedly connected to the side surface of the housing (3), and a heat dissipation plate (6) is fixedly connected to the outer surface of the housing (3).

3. A floodlight with a built-in cylindrical anti-glare grille according to claim 1, characterized in that: A convex ring (8) is fixedly connected to the outer surface of the rotating shaft (4), and the outer ring surface of the convex ring (8) is rotatably connected to the stand (2).

4. A floodlight with a built-in cylindrical anti-glare grille according to claim 1, characterized in that: A retaining ring (27) is fixedly connected to the outer surface of the pull rod (14), and the retaining ring (27) is located above the partition (13). A gripping ball (16) is fixedly connected to the top end of the pull rod (14).

5. The projector with built-in cylindrical anti-glare grille according to claim 1, characterized in that: A stabilizing mechanism is arranged inside the fixed box (7), and the stabilizing mechanism comprises a fixed plate (17), a threaded rod (18), a threaded barrel (19) and a clamping block (20); the outer surface of the pull rod (14) is fixedly connected to the fixed plate (17); both ends of the threaded rod (18) are rotatably connected to the fixed box (7); one end of the threaded rod (18) passes through the fixed box (7) and is fixedly connected to a second knob (21); the outer surface of the threaded rod (18) is threadedly connected to the threaded barrel (19); the side surface of the threaded barrel (19) is fixedly connected to the clamping block (20); the outer surface of the fixed plate (17) is movably connected to the clamping block (20); and a baffle (24) is fixedly connected to the side inner wall of the fixed box (7).

6. A projector with a built-in cylindrical anti-glare grille according to claim 1, characterized in that: An end cover (11) is provided on the upper surface of the fixed box (7), and a pull ring (12) is fixedly connected to the outer surface of the end cover (11).

7. A floodlight with a built-in cylindrical anti-glare grille according to claim 5, characterized in that: A guide rod (22) is fixedly connected to the inner side wall of the fixed box (7), a slider (23) is slidably connected to the outer surface of the guide rod (22), and a threaded cylinder (19) is fixedly connected to the outer surface of the slider (23).

8. The floodlight with built-in cylindrical anti-glare grille according to claim 1, characterized in that: A mounting plate (25) is fixedly connected to the side surface of the stand (2), and a fixing bolt (26) is provided through the outer surface of the mounting plate (25).

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