Projection lamp mounting bracket convenient for angle adjustment

Abstract

The utility model discloses a projection lamp mounting bracket convenient for angle adjustment, which comprises a mounting bracket and a projection lamp mounting component, the mounting bracket is provided with a shaft hole I and a shaft hole II, the mounting bracket is provided with limiting through holes which are distributed in a circle by taking the shaft hole I as the center, and the projection lamp mounting component comprises a fixed plate I and a fixed plate II; the first fixing plate is provided with a first positioning through hole and a second positioning through hole which are distributed in a fan shape with the fan-shaped included angle set to be 180 degrees (1-1 / n) by taking the second shaft hole as the center, and the second fixing plate is provided with a third positioning through hole and a fourth positioning through hole which are distributed in a fan shape with the fan-shaped included angle set to be 180 degrees (1-1 / n) by taking the third shaft hole as the center. The beneficial effects are that the structure is simple and installation is convenient; during installation, the first positioning through hole or the second positioning through hole in the first fixing plate at one end can be opposite to one limiting through hole and the third positioning through hole or the fourth positioning through hole in the other end can be opposite to the limiting through hole in the second fixing plate at the other end only by rotating the square projection lamp installation assembly every time by 180 degrees (1-1 / n), and the square projection lamp installation assembly is fixed through nuts.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting, in particular to a mounting bracket for a floodlight which is convenient for adjusting the angle. Background Art

[0002] LED floodlights are mainly used for tunnel lighting, stage lighting, outdoor construction lighting, advertising lighting, exterior wall lighting, road lighting, landscape lighting and storage lighting, etc., and are widely used. In the prior art, when installing floodlights, they are basically a U-shaped frame, and the lamp is arranged at the opening of the U-shaped frame. The two ends of the lamp are screwed to the two arms of the U-shaped frame by a screw, that is, the lamp is connected to the U-shaped frame by two screws. The disadvantage is that the weight of the lamp is completely supported by the two screws. In order to improve the stability of the connection and prevent the lamp from loosening after long-term use and causing it to rotate by itself, the screws must be tightened forcefully and excessively. Excessive tightening can easily squeeze the connection part, and make installation and disassembly, especially disassembly and angle adjustment, more inconvenient, especially after long-term use, if rust occurs, it will be completely stuck. The authorization publication number is CN214008974U, and the authorization announcement date is August 20, 2021. The utility model patent named "A LED floodlight group that is easy to adjust the angle" discloses a LED floodlight group that is easy to adjust the angle, including a bracket and a mounting bracket and an LED floodlight respectively installed on the upper and lower parts of the bracket through an adjustment dial. The adjustment dial includes a base and an adjustment seat connected to the base through connecting screws. The LED floodlight is provided with an LED floodlight mounting bracket, and a plurality of racks are evenly distributed in a ring on the outer side of the base, and a plurality of The outer side of the adjustment seat is provided with a bracket mounting groove for installing the LED floodlight mounting bracket and the mounting bracket, and the outer side of the adjustment seat is provided with an angle mark. The outer side of the component base used in the support structure is evenly distributed with a number of racks, and the inner side of the adjustment seat of the component base is provided with a number of tooth grooves corresponding to the rack. The outer side of the adjustment seat is provided with a bracket mounting groove for installing the LED floodlight mounting bracket and the mounting bracket. The processing of the rack and the tooth groove in the structure requires higher precision, the processing difficulty is large, the structure of the adjustment seat and the base is complex, not easy to assemble, and the production cost is high. Summary of the invention

[0003] In view of the above-mentioned defects, the designer has actively carried out research and innovation in order to create a new structure of a floodlight mounting bracket that is easy to adjust the angle, so that it has more industrial utilization value to meet the needs of the existing market.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A projection lamp mounting bracket that is easy to adjust the angle, comprising a mounting bracket bent into a U-shape with two ends standing upright and symmetrical, a square projection lamp mounting assembly, two shaft pins with external threads at one end, and two positioning pins with external threads at one end. The center of the plate surface near the end of the two ends of the mounting bracket is symmetrically provided with shaft holes one, and the middle part of the mounting bracket is provided with a mounting fixing hole for fixed installation. The plate surface near the end of the two ends of the mounting bracket is provided with a number of n limiting through holes distributed in a circular shape with the shaft hole one as the center, and n is an integer from 10 to 36. The projection lamp mounting assembly is arranged as a rectangular frame, and its length is equivalent to the distance between the two ends of the U-shaped plates standing upright and symmetrical. The projection lamp mounting assembly comprises a fixing plate one with a U-shaped cross section, a fixing plate two with a U-shaped cross section, and a fixing plate with mounting holes. A power supply mounting plate and a light source mounting plate with mounting holes, screw holes are provided on the U-shaped symmetrical folded edges of the fixing plate 1 and the fixing plate 2, an axial hole 2 is provided at the center of the plate surface of the U-shaped fixing plate 1, and an axial hole 3 is provided at the center of the plate surface of the U-shaped fixing plate 2, the U-shaped fixing plate 1 is provided with two positioning through holes 1 and 2 distributed in a fan shape with the axial hole 2 as the center, and the fan-shaped angle between the positioning through holes 1 and 2 is set to 180° (1-1 / n), the U-shaped fixing plate 2 is provided with two positioning through holes 3 and 4 distributed in a fan shape with the axial hole 3 as the center, and the fan-shaped angle between the positioning through holes 3 and 4 is set to 180° (1-1 / n), the distances from the positioning through holes 1 and 2 to the axial hole 2, the distances from the positioning through holes 3 and 4 to the axial hole 3, and the distance from the limiting through hole to the axial hole 1 are all the same.

[0006] As a further measure, when the U-shaped fixing plate 1 and the U-shaped fixing plate 2 are symmetrically opposed to each other with the U-shaped opening, the fan-shaped angles of the positioning through hole 1 and the positioning through hole 2 and the fan-shaped angles of the positioning through hole 3 and the positioning through hole 4 are set so that the angles do not completely overlap and are staggered to 180° (1-1 / n) in a state of relative projection superposition.

[0007] As a further measure, the number n of the limiting through holes is 18.

[0008] As a further measure, the number n of the limiting through holes is 36.

[0009] As a further measure, the power supply mounting plate is provided with a power supply mounting hole for mounting the power supply, and the light source mounting plate is provided with a light source mounting hole for mounting the lens light source and a radiator mounting hole for mounting the radiator.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The floodlight mounting bracket uses few components, each component is bent into shape, has a simple structure, is easy to process and assemble, and has a low production cost. When installing, the user only needs to use the mounting bracket 1 to install and fix the fixing hole 102, and then rotate the square floodlight mounting component 2 by 180° (1-1 / n) to make the positioning through hole 1 502 or the positioning through hole 2 503 on the fixing plate 1 5 at one end be opposite to a limiting through hole 103, and at the same time, the positioning through hole 3 602 or the positioning through hole 4 603 at the other end will inevitably be opposite to the limiting through hole 103 on the fixing plate 2 6 at the other end. After determining the required irradiation angle, use the positioning pins 4 with external threads at one end at each end to insert them into the positioning position and then fix them with nuts. The installation operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 This is the overall structural diagram of a floodlight mounting bracket that is easy to adjust the angle of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of a mounting bracket for a floodlight mounting bracket that is easy to adjust the angle of the utility model;

[0015] Figure 3 It is a structural schematic diagram of a fixing plate of a floodlight mounting bracket that is convenient for adjusting the angle described in the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the second structure of a fixing plate of a projection lamp mounting bracket which is convenient for adjusting the angle.

[0017] Explanation of the accompanying drawings: 1. Mounting bracket; 2. Floodlight mounting assembly; 3. Shaft tip; 4. Positioning tip; 5. Fixing plate one; 6. Fixing plate two; 7. Power supply mounting plate; 8. Light source mounting plate; 101. Shaft hole one; 102. Mounting fixing hole; 103. Limiting through hole; 501. Shaft hole two; 502. Positioning through hole one; 503. Positioning through hole two; 601. Shaft hole three; 602. Positioning through hole three; 603. Positioning through hole four. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the embodiments and drawings:

[0019] like Figure 1As shown, a projection lamp mounting bracket for easy angle adjustment comprises a mounting bracket 1 made of a metal sheet bent into a U-shaped shape with two ends standing symmetrically, a square projection lamp mounting assembly 2, two shaft pins 3 with external threads at one end, and two positioning pins 4 with external threads at one end. The center of the plate surface near the ends of the mounting bracket 1 at both ends is symmetrically provided with shaft holes 101, and the middle part of the mounting bracket 1 is provided with a mounting fixing hole 102 for fixed installation. The plate surface near the ends of the mounting bracket 1 at both ends is provided with n number of limiting through holes 103 distributed in a circular manner with the shaft hole 101 as the center, and n is an integer from 10 to 36. The square projection lamp mounting assembly 2 is arranged as a rectangular frame, and its length is equal to the distance between the two ends of the U-shaped plates of the mounting bracket 1. The square floodlight installation assembly 2 includes a fixing plate 15 with a U-shaped cross section, a fixing plate 26 with a U-shaped cross section, a power supply installation plate 7 with a mounting hole, and a light source installation plate 8 with a mounting hole. The fixing plates 15 and 26 are provided with screw holes on the U-shaped symmetrical folding edges. The center of the U-shaped fixing plate 15 is provided with an axial hole 2 501, and the center of the U-shaped fixing plate 26 is provided with an axial hole 3 601. The U-shaped fixing plate 15 is provided with two fan-shaped positioning through holes 1 502 and a positioning through hole 2 503 with the axial hole 2 501 as the center, and the fan-shaped angle between the positioning through hole 1 502 and the positioning through hole 2 503 is set to 180° (1-1 / n). The U-shaped fixing plate 26 is provided with two fan-shaped positioning through holes 1 502 and a positioning through hole 2 503 with the axial hole 3 601 as the center. The positioning through hole three 602 and the positioning through hole four 603 and the fan-shaped angle of the positioning through hole three 602 and the positioning through hole four 603 are set to 180° (1-1 / n), and when the U-shaped fixing plate one 5 and the U-shaped fixing plate two 6 are symmetrically opposed to each other with the U-shaped mouth, the fan-shaped angle of the positioning through hole one 502 and the positioning through hole two 503 and the fan-shaped angle of the positioning through hole three 602 and the positioning through hole four 603 are set to be incompletely overlapped and staggered to 180° (1-1 / n) in the state of relative projection superposition, the distance from the positioning through hole one 502 and the positioning through hole two 503 to the shaft hole two 501, the distance from the positioning through hole three 602 and the positioning through hole four 603 to the shaft hole three 601 and the distance from the limit through hole 103 to the shaft hole one 101 are all the same, wherein the power supply The mounting plate 7 is provided with a power supply mounting hole for mounting a power supply, and the light source mounting plate 8 is provided with a light source mounting hole for mounting a lens light source and a radiator mounting hole for mounting a radiator. During installation, the floodlight mounting assembly 2 is assembled first. The assembly method is that one end of the power supply mounting plate 7 is fixedly connected to the U-shaped fixing plate 1 5 through the screw hole screws on one side of the folded edge, and the other end of the power supply mounting plate 7 is fixedly connected to the fixing plate 2 6 through the screw hole screws on the same side of the folded edge in a symmetrical manner with a U-shaped opening, and one end of the light source mounting plate 8 is fixedly connected to the U-shaped fixing plate 1 5 through the screw hole screws on the other side of the folded edge, and the other end of the light source mounting plate 8 is fixedly connected to the fixing plate 2 6 through the screw hole screws on the same side of the folded edge in a symmetrical manner with a U-shaped opening.One end of the assembled floodlight installation component 2 is connected to one end of the mounting bracket 1 by an axis pin 3, which passes through the axis hole 101 and the axis hole 2 501 from the outside to the inside in sequence and is fixed and rotated with a nut. The other end of the floodlight installation component 2 is connected to the other end of the mounting bracket 1 by another axis pin 3, which passes through the axis hole 101 and the axis hole 3 601 from the outside to the inside in sequence and is fixed and rotated with a nut. Then the radiator screws are fixed to the surface of the light source mounting plate 8 facing the power source mounting plate 7. The lens light source is installed on the outward surface of the light source mounting plate 8, and the power supply is installed on the outward surface of the power supply mounting plate 7. The square floodlight installation component 2 is rotated so that the positioning through hole 1 502 or the positioning through hole 2 503 on the fixing plate 1 5 is opposite to the limiting through hole 103 and is inserted with a positioning pin 4 for positioning and then fixed with a nut. At this time, the positioning through hole 1 on the fixing plate 2 6 at the other end of the floodlight installation component 2 Hole 3 602 or positioning through hole 4 603 will be opposite to the limiting through hole 103 at the other end and can be fixed with a nut after being inserted with another positioning pin 4 for positioning. Effectively, the floodlight mounting bracket uses fewer components, each component has a simple structure, is easy to process and assemble, and has a low production cost. When installing, the user only needs to use the mounting bracket 1 to install and fix the fixing hole 102, and then rotate the square floodlight mounting component 2 every 180° (1-1 / n) to make the positioning through hole 1 502 or positioning through hole 2 503 on the fixing plate 1 5 at one end relative to a limiting through hole 103, and at the same time, the positioning through hole 3 602 or positioning through hole 4 603 at the other end will be opposite to the limiting through hole 103 on the fixing plate 2 6 at the other end. After determining the required irradiation angle, the positioning pins 4 with external threads at one end are respectively inserted for positioning and fixed with nuts. The installation operation is simple.

[0020] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A mounting bracket for a floodlight that is easy to adjust the angle, characterized in that: The invention comprises a mounting bracket (1) made of a metal sheet bent into a U-shaped shape with two ends standing upright and symmetrical, a square floodlight mounting assembly (2), two shaft pins (3) with external threads at one end, and two positioning pins (4) with external threads at one end. The center of the plate surface near the end of the mounting bracket (1) is symmetrically provided with shaft holes (101), the middle of the mounting bracket (1) is provided with a mounting fixing hole (102), and the plate surface near the end of the mounting bracket (1) is provided with circularly distributed shaft holes (101) with the shaft hole (101) as the center. The number of limit through holes (103) is n, where n is an integer from 10 to 36. The floodlight installation assembly (2) is arranged in a rectangular frame, the length of which is equivalent to the distance between the upright symmetrical plates at both ends of the U-shaped mounting bracket (1). The floodlight installation assembly (2) comprises a fixing plate 1 (5) with a U-shaped cross section, a fixing plate 2 (6) with a U-shaped cross section, a power supply mounting plate (7) provided with mounting holes, and a light source mounting plate (8) provided with mounting holes. The U-shaped fixing plates 1 (5) and 2 (6) are symmetrical. The folded edges are provided with screw holes, the U-shaped fixing plate 1 (5) is provided with an axial hole 2 (501) at the center of the plate surface, and the U-shaped fixing plate 2 (6) is provided with an axial hole 3 (601) at the center of the plate surface. The U-shaped fixing plate 1 (5) is provided with two positioning through holes 1 (502) and 2 (503) distributed in a fan shape with the axial hole 2 (501) as the center, and the fan angle between the positioning through holes 1 (502) and 2 (503) is set to 180° (1-1 / n), and the U-shaped fixing plate 2 (6) is provided with the axial hole 3 (601) as the center. ) is provided with two positioning through holes three (602) and positioning through holes four (603) distributed in a fan shape at the center, and the fan angle of the positioning through holes three (602) and the positioning through holes four (603) is set to 180° (1-1 / n), and the distances from the positioning through holes one (502) and the positioning through holes two (503) to the shaft hole two (501), the distances from the positioning through holes three (602) and the positioning through holes four (603) to the shaft hole three (601) and the distance from the limiting through hole (103) to the shaft hole one (101) are all the same.

2. The angle-adjustable floodlight mounting bracket according to claim 1, characterized in that: When the U-shaped fixing plate 1 (5) and the U-shaped fixing plate 2 (6) are symmetrically opposed to each other with the U-shaped opening, the fan-shaped angles of the positioning through hole 1 (502) and the positioning through hole 2 (503) and the fan-shaped angles of the positioning through hole 3 (602) and the positioning through hole 4 (603) are arranged so that the angles do not completely overlap and are staggered to form 180° (1-1 / n) in a state of relative projection superposition.

3. The angle-adjustable floodlight mounting bracket according to claim 1, characterized in that: The number n of the limiting through holes (103) is 18.

4. The angle-adjustable floodlight mounting bracket according to claim 1, characterized in that: The number n of the limiting through holes (103) is 36.

5. A projection lamp mounting bracket that is easy to adjust the angle according to any one of claims 1 to 4, characterized in that: The power supply mounting plate (7) is provided with a power supply mounting hole for mounting a power supply, and the light source mounting plate (8) is provided with a light source mounting hole for mounting a lens light source and a radiator mounting hole for mounting a radiator.

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