Lighting device with adjustable light-emitting angle

By designing a slidable lens and knob-driven traction groove system, the existing lighting devices are solved for cumbersome operation and safety hazards when adjusting the luminous angle, and simple and fast luminous angle adjustment and applicability in various occasions.

CN119879132APending Publication Date: 2025-04-25朗德万斯照明有限公司
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Patent Information

Application Number
CN202510111247.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-04-25

AI Technical Summary

Technical Problem

When adjusting the luminous angle, existing lighting devices are cumbersome to operate, inefficient and have safety hazards, which can easily lead to electric shock accidents and lens damage, increasing maintenance costs.

Method used

A lighting device including a housing, a lens, a knob and a guide rail is designed. The lens can slide back and forth horizontally relative to the housing. By rotating the knob, the convex column is driven to slide in the traction groove to achieve adjustment of the luminous angle without the need to use tools or disassembly of the lens.

Benefits of technology

It realizes simple and rapid adjustment of the luminous angle, avoids electric shock accidents, reduces operation difficulty, improves user experience, and is suitable for a variety of occasions, enhancing the flexibility of the lighting device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The lighting device with the adjustable light-emitting angle comprises a shell, a lens, a rotary knob and a guide rail piece, the lens is arranged on the top side of the shell, and the lens can horizontally slide front and back relative to the shell; the rotary knob is rotatably arranged on the bottom side of the lens, a through groove is formed in the shell, and a connecting part of the rotary knob is connected with the guide rail piece through the through groove; a convex column is arranged on the lens, a traction groove is formed in the bottom of the guide rail piece, and the convex column is in sliding fit with the traction groove; a lamp panel is arranged in the shell and located on the inner side of the lens. According to the lighting device disclosed by the invention, when a user needs to adjust the light-emitting angle, the knob is rotated to drive the convex column to slide in the traction groove, so that the lens can horizontally slide back and forth relative to the shell, the relative position between the lens and the lamp panel is changed, and the purpose of adjusting the light-emitting angle is achieved; the light-emitting angle can be adjusted without a tool or dismounting the lens.
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Description

Technical Field

[0001] The present invention relates to the technical field of lighting devices, and in particular to a lighting device with adjustable light-emitting angle. Background Art

[0002] With the continuous evolution of market demand and the diversification of product functions, existing lamps are generally designed to have a variety of different light-emitting angles to meet the needs of different occasions and uses; however, traditional lamps often have problems such as cumbersome operation, low efficiency and prominent safety hazards when adjusting the light-emitting angle.

[0003] At present, when it is necessary to change the light-emitting angle of the lamp, the user has to use various tools, such as a screwdriver, to manually turn the shaft to achieve the displacement of the lens; this process is not only time-consuming and labor-intensive, but also when unscrewing the screws that fix the lens and pushing open the structural parts that press the lens to replace different types of lenses, the operator's hands are likely to come into contact with the live lamp board, thereby increasing the risk of electric shock and seriously threatening the health and safety of the operator; further, during the process of lens replacement, if the operation is improper, the lens is likely to be damaged, increasing the repair and maintenance cost of the lamp; in addition, if the lens is not installed properly, it will not only affect the actual lighting effect of the lamp, but may also shorten the service life of the lamp.

[0004] It can be seen that the existing technology still needs to be improved and enhanced. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a lighting device with adjustable light-emitting angle, which can adjust the light-emitting angle without the need for tools or disassembly of lenses, and has the advantage of simple and convenient operation.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A lighting device with adjustable light-emitting angle comprises a shell, a lens, a knob and a guide rail member, wherein the lens is arranged on the top side of the shell and can slide horizontally back and forth relative to the shell; the knob is rotatably arranged on the bottom side of the lens, a through groove is provided on the shell, and the connecting part of the knob is connected to the guide rail member through the through groove; a convex column is provided on the lens, a traction groove is provided at the bottom of the guide rail member, and the convex column is slidably matched with the traction groove; a light board is provided in the shell, and the light board is located on the inner side of the lens.

[0008] In the lighting device with adjustable light-emitting angle, a connecting block, a first eccentric block and a second eccentric block are provided on the guide rail member, and the connecting part of the knob is connected to the connecting block through the through groove; the connecting block is arranged on the first eccentric block, and the second eccentric block is located on the outside of the first eccentric block, and the traction groove is formed between the second eccentric block and the first eccentric block, and the traction groove is an annular eccentric groove.

[0009] In the lighting device with adjustable light-emitting angle, the traction groove includes four adjustment sections, each adjustment section is correspondingly provided with an angle adjustment point, and four first indicator blocks are provided on the top side of the knob, each first indicator block corresponds to one of the angle adjustment points.

[0010] In the lighting device with adjustable light-emitting angle, four connecting grooves are respectively provided on the bottom side of the knob corresponding to the four first indicating blocks, and a marble is provided on the bottom side of the shell, and the marble is connected with any of the connecting grooves.

[0011] In the lighting device with adjustable light-emitting angle, the connecting part includes a smooth part and a threaded part arranged upper and lower, a threaded hole is provided at the bottom of the connecting part, the smooth part is used to ensure that the knob can rotate relative to the shell, a nut is provided in the shell, and the nut is threadedly connected to the threaded part; a through hole is provided in the connecting block, and the threaded hole and the through hole are connected by screws.

[0012] In the lighting device with adjustable light-emitting angle, a waterproof platform is provided on the bottom side of the shell, a waterproof groove is provided at the bottom of the knob, a sealing member is provided in the waterproof groove, and the sealing member is provided at the connection between the waterproof groove and the waterproof platform.

[0013] In the lighting device with adjustable light-emitting angle, a plurality of limit grooves are provided on the lens, a plurality of limit members are provided on the shell, the plurality of limit members are connected to the plurality of limit grooves in a one-to-one correspondence, and the limit grooves can slide horizontally forward and backward relative to the limit members.

[0014] In the lighting device with adjustable light-emitting angle, a driving device is also arranged in the shell; a power supply cover is arranged on the top side of the shell, the front side of the power supply cover is hinged to the shell, and the rear side of the power supply cover is detachably connected to the shell, and the driving device is located on the inner side of the power supply cover.

[0015] The lighting device with adjustable light-emitting angle also includes a first lamp pole joint and a second lamp pole joint, the first lamp pole joint is fixedly arranged on the rear side of the shell, and the first lamp pole joint and the second lamp pole joint are detachably connected; a plurality of second indicator blocks are arranged on the first lamp pole joint, and an indicator arrow is arranged on the second lamp pole joint, and the second indicator block cooperates with the indicator arrow to indicate the angle between the first lamp pole joint and the second lamp pole joint.

[0016] In the lighting device with adjustable light-emitting angle, a plurality of heat dissipation bars are arranged on the back of the shell, and heat dissipation grooves are formed between adjacent heat dissipation bars.

[0017] Beneficial effects:

[0018] The present invention provides a lighting device with adjustable light-emitting angle. When the user needs to adjust the light-emitting angle, the user rotates the knob to drive the convex column to slide in the traction groove, so that the lens can slide horizontally back and forth relative to the shell, and the relative position between the lens and the lamp panel changes, thereby achieving the purpose of adjusting the light-emitting angle; that is, the light-emitting angle can be adjusted without the aid of tools or removal of the lens, thereby avoiding the occurrence of electric shock accidents, greatly reducing the difficulty of adjusting the light-emitting angle, and improving the user experience; further, since a variety of light-emitting angles can be adjusted, the lighting device can be suitable for a variety of different occasions and meet a variety of different usage needs, thereby improving the flexibility of use of the lighting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A first structural schematic diagram of the lighting device provided by the present invention;

[0020] Figure 2 A second structural schematic diagram of the lighting device provided by the present invention;

[0021] Figure 3 A schematic diagram of the structure of the lighting device provided by the present invention after removing the cover plate and the guide rail member;

[0022] Figure 4 A schematic diagram of the structure of the knob, guide rail and nut provided by the present invention;

[0023] Figure 5 This is a front view of the guide rail member provided by the present invention.

[0024] Explanation of the main component symbols: 1-housing, 11-nut, 12-waterproof platform, 13-limiting piece, 14-power cover, 15-heat sink, 16-heat sink groove, 16-cover plate, 2-lens, 21-boss, 22-limiting groove, 3-knob, 31-connecting part, 32-first indicator block, 4-guide rail, 41-traction groove, 42-connecting block, 421-through hole, 43-first eccentric block, 44-second eccentric block, 51-first lamp pole joint, 511-second indicator block, 52-second lamp pole joint, 521-indicator arrow. DETAILED DESCRIPTION

[0025] The present invention provides a lighting device with adjustable light-emitting angle. To make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail below with reference to the accompanying drawings and examples.

[0026] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "front", "rear", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and should not be understood as limitations on the present invention; in addition, the terms "installation", "connection", etc. should be understood in a broad sense, and ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to specific circumstances.

[0027] See also Figures 1 to 5 The present invention provides a lighting device with adjustable light-emitting angle, comprising a shell 1, a lens 2, a knob 3 and a guide member 4, wherein the lens 2 is arranged on the top side of the shell 1, and the lens 2 can slide horizontally back and forth relative to the shell 1; the knob 3 is rotatably arranged on the bottom side of the lens 2, a through groove is provided on the shell 1, and a connecting portion 31 of the knob 3 is connected to the guide member 4 through the through groove; a boss 21 is provided on the lens 2, a traction groove 41 is provided at the bottom of the guide member 4, and the boss 21 is slidably matched with the traction groove 41; a lamp board is provided in the shell 1, and the lamp board is located on the inner side of the lens 2.

[0028] The present application discloses a lighting device with adjustable light-emitting angle. When the user needs to adjust the light-emitting angle, the user rotates the knob 3 to drive the boss 21 to slide in the traction groove 41, so that the lens 2 can slide horizontally back and forth relative to the shell 1, and the relative position between the lens 2 and the light board changes, thereby achieving the purpose of adjusting the light-emitting angle; that is, the light-emitting angle can be adjusted without the aid of tools or the removal of the lens 2, thereby avoiding the occurrence of electric shock accidents, greatly reducing the difficulty of adjusting the light-emitting angle, and improving the user experience; further, since a variety of light-emitting angles can be adjusted, the lighting device can be applied to a variety of different occasions and meet a variety of different usage requirements, thereby improving the flexibility of the lighting device.

[0029] In this example, see Figure 1 The lens 2 is provided with a U-shaped groove, and the U-shaped groove is used to avoid the guide rail member 4 to ensure the normal operation of adjusting the light-emitting angle; the boss 21 is located in the middle of the U-shaped groove, and the boss 21 is integrally formed with the lens 2.

[0030] In this example, see Figure 1 A cover plate 16 is provided on the top side of the shell 1, and the cover plate 16 covers the upper surface of the lens 2 and the guide member 4 to protect the lens 2 and the guide member 4, reduce the possibility of damage to the lens 2 and the guide member 4, and extend the service life of the lighting device; the cover plate 16 is a tempered glass plate, and the four corners of the cover plate 16 are respectively bolted to the shell 1.

[0031] For further information, see Figure 4 and Figure 5 The guide rail member 4 is provided with a connecting block 42, a first eccentric block 43 and a second eccentric block 44. The connecting portion 31 of the knob 3 is connected to the connecting block 42 through the through groove; the connecting block 42 is provided on the first eccentric block 43, and the second eccentric block 44 is located on the outer side of the first eccentric block 43. The traction groove 41 is formed between the second eccentric block 44 and the first eccentric block 43, and the traction groove 41 is an annular eccentric groove.

[0032] In this embodiment, the connecting block 42 , the first eccentric block 43 , and the second eccentric block 44 are integrally formed.

[0033] Furthermore, the traction groove 41 includes four adjustment sections, each adjustment section is correspondingly provided with an angle adjustment point, and four first indicator blocks 32 are provided on the top side of the knob 3, each first indicator block 32 corresponds to one of the angle adjustment points.

[0034] In this embodiment, the first indicator block 32 is integrally formed with the knob 3; the four indicator blocks correspond to four angle adjustment points, that is, corresponding to four luminous angle adjustment effects, which is convenient for the user to confirm the adjusted luminous angle during each adjustment process.

[0035] For further information, see Figure 4 The bottom side of the knob 3 is respectively provided with four connecting grooves corresponding to the four first indicating blocks 32 , and the bottom side of the housing 1 is provided with a marble, which is matched and connected with any of the connecting grooves.

[0036] In this embodiment, the marble component is a prior art; by arranging the marble component on the bottom side of the shell 1, the marble component is connected with any connecting groove on the bottom side of the knob 3, thereby realizing a connection method that is both firm and easy to operate, which not only improves the stability and reliability of the overall structure, but also ensures that the light-emitting angle is adjusted in place, thereby improving the accuracy of the light-emitting angle adjustment; further, when the marble component is connected with any connecting groove, a sound will be made to remind the user that the installation is in place, so that the user can timely understand the completion of the light-emitting angle adjustment process, thereby improving the user's experience.

[0037] Furthermore, the connecting portion 31 includes a smooth part and a threaded part arranged above and below, a threaded hole is provided at the bottom of the connecting portion 31, the smooth part is used to ensure that the knob 3 can rotate relative to the shell 1, a nut 11 is provided in the shell 1, and the nut 11 is threadedly connected to the threaded part; a through hole 421 is provided in the connecting block 42, and the threaded hole and the through hole 421 are connected by screws.

[0038] In this embodiment, the smooth part and the threaded part are integrally formed, the smooth part is a cylinder, the threaded part is a threaded column, and the threaded column is a chamfered threaded column; the nut 11 cooperates with the threaded part to fix the knob 3 on the shell 1 to prevent the knob 3 from falling off from the bottom side of the shell 1, thereby improving the stability and reliability of the lighting device during operation; the knob 3 is connected to the guide rail part 4 by screws to ensure that the guide rail part 4 rotates with the knob 3 to drive the boss 21 to slide along the traction groove 41 in the guide rail part 4.

[0039] For further information, see Figure 2 A waterproof platform 12 is provided on the bottom side of the shell 1, a waterproof groove is provided at the bottom of the knob 3, a sealing member is provided in the waterproof groove, and the sealing member is provided at the connection between the waterproof platform 12 and the waterproof groove.

[0040] In this embodiment, the waterproof platform 12 is integrally formed with the shell 1, and the sealing member is a waterproof blocking ring; by arranging the waterproof platform 12 on the bottom side of the shell 1, not only an additional protection layer is provided for the lighting device, but also a basis is provided for the waterproof design of the knob 3, and the bottom of the knob 3 is also equipped with a special waterproof groove, which cooperates with the waterproof platform 12 of the shell 1 to form a closed waterproof space; a sealing member is placed in the waterproof groove, and the sealing member is in close contact with the waterproof platform 12 to ensure the sealing between the knob 3 and the shell 1; through the cooperation of the waterproof groove, the waterproof platform 12 and the sealing member, not only the waterproof performance of the lighting device is improved, but also it is ensured that the internal electronic components of the lighting device are not damaged when used in humid or rainy and snowy weather.

[0041] For further information, see Figure 1 and Figure 3The lens 2 is provided with a plurality of limiting grooves 22 , and the housing 1 is provided with a plurality of limiting members 13 . The plurality of limiting members 13 are connected to the plurality of limiting grooves 22 in a one-to-one correspondence, and the limiting grooves 22 can slide horizontally forward and backward relative to the limiting members 13 .

[0042] In this embodiment, the limit member 13 includes a stud and a nut 11, and the stud passes through the shell 1 and is fixedly connected to the nut 11 located on the bottom side of the shell 1; by setting a limit groove 22 on the lens 2 and connecting the limit member 13 at the same time, it can be effectively ensured that the lens 2 is limited to moving forward and backward in the horizontal direction during use, and it is fully ensured that the lens 2 will not be displaced during operation, thereby avoiding the polarization problem of the lens 2 in the optical system, improving the stability and reliability of the light-emitting angle adjustment process, and ensuring that the light-emitting effect after the light-emitting angle is adjusted is consistent with the ideal light-emitting effect.

[0043] For further information, see Figure 1 and Figure 3 A driving device is also provided in the shell 1; a power cover 14 is provided on the top side of the shell 1, the front side of the power cover 14 is hinged to the shell 1, the rear side of the power cover 14 is detachably connected to the shell 1, and the driving device is located on the inner side of the power cover 14.

[0044] In this example, see Figure 1 and Figure 3 The shell 1 is provided with a first accommodating groove and a second accommodating groove, and the first accommodating groove and the second accommodating groove are separated; the lamp board and the lens 2 are located in the first accommodating groove, and the driving device is located in the second accommodating groove; the power cover 14 covers the top side of the second accommodating groove; the rear end of the power cover 14 is bolted to the shell 1 to realize a detachable connection between the power cover 14 and the shell 1.

[0045] In this embodiment, the rear side of the power cover 14 is detachably connected to the housing 1, that is, the power cover 14 is openable and closable, which is convenient for users to open the power cover 14 to repair and maintain the drive device, greatly reducing the difficulty of maintenance.

[0046] For further information, see Figures 1 to 3The lighting device with adjustable light-emitting angle also includes a first lamp pole joint 51 and a second lamp pole joint 52. The first lamp pole joint 51 is fixedly arranged on the rear side of the shell 1, and the first lamp pole joint 51 and the second lamp pole joint 52 are detachably connected; a plurality of second indicator blocks 511 are arranged on the first lamp pole joint 51, and an indicator arrow 521 is arranged on the second lamp pole joint 52. The second indicator block 511 cooperates with the indicator arrow 521 to indicate the angle between the first lamp pole joint 51 and the second lamp pole joint 52.

[0047] In this example, see Figures 1 to 3 One end of the first lamp pole joint 51 is connected to the rear bolt of the housing 1, and the other end of the first lamp pole joint 51 is connected to one end of the second lamp pole joint 52 through a stud and a nut 11; when it is necessary to adjust the angle between the first lamp pole joint 51 and the second lamp pole joint 52, the connection between the nut 11 and the stud is released, and the second lamp pole joint 52 is rotated. When the required angle is reached, the nut 11 and the stud are reconnected to fix the first lamp pole joint 51 and the second lamp pole joint 52; by providing a detachably connected first lamp pole joint 51 and a second lamp pole joint 52, the flexibility of the lighting device is greatly enhanced. The user can quickly adjust the lighting angle according to actual usage requirements to meet the lighting needs of different occasions; further, a plurality of second indicator blocks 511 are designed on the first lamp pole joint 51, and an intuitive indicator arrow 521 is provided on the second lamp pole joint 52. The indicator arrow 521 cooperates with the second indicator block 511 to form a simple and easy-to-understand indication system. The user only needs to observe the relative position of the indicator arrow 521 and the indicator block to easily determine the angle between the first lamp pole joint 51 and the second lamp pole joint 52, which greatly improves the convenience of operation and makes the lighting angle adjustment process of the lighting device more intuitive and accurate.

[0048] For further information, see Figure 2 A plurality of heat dissipation bars are disposed on the back of the housing 1 , and heat dissipation grooves 16 are formed between adjacent heat dissipation bars.

[0049] In this embodiment, the heat sink is integrally formed with the shell 1, and adjacent heat sinks are staggered. By arranging a plurality of heat sinks on the back of the shell 1 and forming heat sinks 16 between adjacent heat sinks, the flow of air is greatly promoted, so that heat can be quickly taken away, the heat dissipation efficiency is greatly improved, and it is ensured that the lighting device can maintain a low temperature during long-term operation, thereby effectively avoiding performance degradation or damage caused by overheating, improving the stability and reliability of the lighting device during operation, and extending the service life of the lighting device.

[0050] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of the present invention, and all these changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A lighting device with adjustable light-emitting angle, characterized in that: It includes a shell, a lens, a knob and a guide rail member, wherein the lens is arranged on the top side of the shell, and the lens can slide horizontally back and forth relative to the shell; the knob is rotatably arranged on the bottom side of the lens, a through groove is provided on the shell, and the connecting part of the knob is connected to the guide rail member through the through groove; a convex column is provided on the lens, and a traction groove is provided at the bottom of the guide rail member, and the convex column is slidably matched with the traction groove; a light board is provided in the shell, and the light board is located on the inner side of the lens.

2. The lighting device with adjustable light-emitting angle according to claim 1, characterized in that: A connecting block, a first eccentric block and a second eccentric block are provided on the guide rail member, and the connecting portion of the knob is connected to the connecting block via the through groove; the connecting block is provided on the first eccentric block, and the second eccentric block is located on the outer side of the first eccentric block, and the traction groove is formed between the second eccentric block and the first eccentric block, and the traction groove is an annular eccentric groove.

3. The lighting device with adjustable light-emitting angle according to claim 2, characterized in that: The traction groove comprises four adjustment sections, each adjustment section is correspondingly provided with an angle adjustment point, and the top side of the knob is provided with four first indicator blocks, each first indicator block corresponds to one of the angle adjustment points.

4. The lighting device with adjustable light-emitting angle according to claim 3, characterized in that: The bottom side of the knob is provided with four connection grooves corresponding to the four first indicating blocks, and the bottom side of the shell is provided with a marble, which is matched and connected with any of the connection grooves.

5. The lighting device with adjustable light-emitting angle according to claim 2, characterized in that: The connecting part includes a smooth part and a threaded part arranged above and below. A threaded hole is provided at the bottom of the connecting part. The smooth part is used to ensure that the knob can rotate relative to the shell. A nut is provided in the shell, and the nut is threadedly connected to the threaded part. A through hole is provided in the connecting block, and the threaded hole and the through hole are connected by screws.

6. The lighting device with adjustable light-emitting angle according to claim 1, characterized in that: A waterproof platform is arranged on the bottom side of the shell, a waterproof groove is arranged on the bottom of the knob, a sealing member is arranged in the waterproof groove, and the sealing member is arranged at the connection between the waterproof groove and the waterproof platform.

7. The lighting device with adjustable light-emitting angle according to claim 1, characterized in that: The lens is provided with a plurality of limiting grooves, the housing is provided with a plurality of limiting members, the plurality of limiting members are connected to the plurality of limiting grooves in a one-to-one correspondence, and the limiting grooves can slide horizontally forward and backward relative to the limiting members.

8. The lighting device with adjustable light-emitting angle according to claim 1, characterized in that: A driving device is also arranged in the shell; a power supply cover is arranged on the top side of the shell, the front side of the power supply cover is hinged to the shell, the rear side of the power supply cover is detachably connected to the shell, and the driving device is located on the inner side of the power supply cover.

9. The lighting device with adjustable light-emitting angle according to claim 1, characterized in that: It also includes a first lamp pole joint and a second lamp pole joint, the first lamp pole joint is fixed on the rear side of the shell, and the first lamp pole joint and the second lamp pole joint are detachably connected; a plurality of second indicator blocks are arranged on the first lamp pole joint, and an indicator arrow is arranged on the second lamp pole joint, and the second indicator block cooperates with the indicator arrow to indicate the angle between the first lamp pole joint and the second lamp pole joint.

10. The lighting device with adjustable light-emitting angle according to claim 1, characterized in that: A plurality of heat dissipation bars are arranged on the back of the shell, and heat dissipation grooves are formed between adjacent heat dissipation bars.