Lamp with adjustable projection inclination angle

Abstract

The utility model provides a lamp with an adjustable projection inclination angle, which comprises a lamp body, a lamp panel, a lens assembly and transmission mechanisms, the transmission mechanisms are arranged on the lamp body, at least one of the lens assembly and the lamp panel is movably arranged on the lamp body, the lamp panel is used for projecting light rays, the lens assembly is used for deflecting the light rays projected from the lamp panel, and the lens assembly is used for deflecting the light rays projected from the lamp panel. The transmission mechanism is used for driving at least one of the lens assembly and the lamp panel to move, so that the relative position of the lens assembly and the lamp panel is changed to change the light deflection angle of the lens assembly. In the application, because the deflection of the light is related to the relative position between the lamp panel and the lens, the propagation direction of the light can be influenced by tiny displacement, and the relative position between the lens and the lamp panel needs to be changed by a transmission mechanism, so that the deflection angle of the light can be controlled very accurately. Different from a mode of applying torsion by using a rotating shaft, the lamp body is prevented from inclining or deviating in the using process or mechanical parts are prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, in particular to a lamp with adjustable projection inclination angle. Background Art

[0002] Current LED in-ground lights on the market offer adjustable projection angles by fixing the light panel and lens to the lamp body and rotating them together. This is achieved by adding a shaft to the lamp body, placed inside the lamp housing. Torque applied to the shaft rotates the lamp body, thereby adjusting the projection angle.

[0003] However, if the shaft torque is insufficient, the lamp body may not be able to maintain a fixed position when adjusting the angle, causing the lamp body to tilt or shift during use. Conversely, excessive torque may cause damage to mechanical components. Utility Model Content

[0004] In view of this, the present invention aims to provide a lamp with adjustable projection angle. This solves the technical problem in the prior art that insufficient torque on the shaft can prevent the lamp from maintaining a fixed position during angle adjustment, causing the lamp to tilt or shift during use. Conversely, excessive torque can damage mechanical components.

[0005] The utility model provides a lamp with an adjustable projection inclination angle, comprising a lamp body, a lamp board, a lens assembly and a transmission mechanism, wherein the transmission mechanism is arranged on the lamp body, and at least one of the lens assembly and the lamp board is movably arranged on the lamp body, the lamp board is used to project light, and the lens assembly is used to deflect the light projected from the lamp board, and the transmission mechanism is used to drive at least one of the lens assembly and the lamp board to move, so that the relative position of the lens assembly and the lamp board changes to change the angle at which the lens assembly deflects the light.

[0006] Furthermore, the lens assembly is movably provided on the lamp body, and the transmission mechanism is used to drive the lens assembly to move, so that the relative position of the lens assembly and the lamp board changes to change the angle at which the lens assembly deflects light.

[0007] Furthermore, the transmission mechanism includes a sliding block, a screw shaft and a drive assembly, the sliding block is connected to the lens assembly, the screw shaft is rotatably provided on the lamp body, the drive assembly is provided on the lamp body, the outer peripheral wall of the screw shaft is threadedly connected to the sliding block, the end of the screw shaft is connected to the power output end of the drive assembly, and the drive assembly is used to drive the screw shaft to rotate, so that the sliding block drives the lens assembly to move.

[0008] Furthermore, the drive assembly includes a first bevel gear, a second bevel gear and a drive shaft, the first bevel gear is connected to one end of the screw shaft close to the second bevel gear, the second bevel gear is rotatably provided on the lamp body, the first bevel gear is meshed with the second bevel gear, the drive shaft is connected to the second bevel gear, and the drive shaft is used to drive the second bevel gear to rotate to drive the first bevel gear to rotate.

[0009] Furthermore, the lens assembly includes a supporting plate, a mounting tube, a first lens and a second lens. The supporting plate is movably arranged on the lamp body, the transmission mechanism is used to drive the supporting plate to move, the mounting tube is arranged on the supporting plate, and the first lens and the second lens are arranged in the mounting tube at intervals.

[0010] Furthermore, the supporting plate is engraved with degrees, and the lamp body is provided with an indicator needle, which is used to indicate the degrees to show the angle of the light deflected by the lens assembly.

[0011] Furthermore, the mounting tube is provided with a clamping block, and the clamping block is used to be clamped on the supporting plate to fix the mounting tube on the supporting plate.

[0012] Furthermore, the lamp body is provided with a plurality of limit screws, and the supporting plate is provided with a strip hole, the strip hole allows the limit screw to pass through and slide on the outer peripheral wall of the limit screw, and the limit screw is provided with a limit step, and the limit step is used to support the supporting plate.

[0013] Furthermore, the lamp body includes a heat sink, the heat sink abuts against the lamp board, and the heat sink is used to dissipate heat generated by the lamp board.

[0014] Furthermore, it also includes light-transmitting glass, and the light-transmitting glass cover is arranged on the lens assembly.

[0015] Beneficial effect: The utility model provides a lamp with adjustable projection inclination angle, comprising a lamp body, a lamp panel, a lens assembly and a transmission mechanism, the transmission mechanism being arranged on the lamp body, at least one of the lens assembly and the lamp panel being movably arranged on the lamp body, the lamp panel being used to project light, the lens assembly being used to deflect light projected from the lamp panel, and the transmission mechanism being used to drive at least one of the lens assembly and the lamp panel to move, so that the relative position of the lens assembly and the lamp panel is changed to change the angle at which the lens assembly deflects the light. In the present application, because the deflection of light is related to the relative position between the lamp panel and the lens, a slight displacement can affect the propagation direction of light, and a transmission mechanism is required to change the relative position between the lens and the lamp panel, which can very accurately control the deflection angle of light. Different from the method of applying torque using a rotating shaft, this method avoids the lamp body from tilting or shifting during use or causing damage to mechanical components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural exploded view of the lamp with adjustable projection angle of the present invention;

[0017] Figure 2 It is a structural diagram of the lens assembly and the lamp body;

[0018] Figure 3 Schematic diagram of the structure of the lens assembly;

[0019] Figure 4 This is a schematic diagram of the overall structure of a utility model lamp with adjustable projection angle;

[0020] Figure 5 for Figure 4 Cross-section along the AA direction;

[0021] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0022] In the figure: 1. Lamp body; 11. Indicator needle; 12. Limit screw; 13. Limit step; 14. Radiator; 2. Lamp board; 3. Lens assembly; 31. Carrying plate; 311. Degree; 312. Strip hole; 32. Mounting tube; 321. Clamping block; 33. First lens; 34. Second lens; 4. Transmission mechanism; 41. Sliding block; 42. Screw shaft; 43. Drive assembly; 431. First bevel gear; 432. Second bevel gear; 433. Drive shaft; 5. Transparent glass; 6. Embedded parts. DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] See also Figures 1 to 6 The utility model provides a lamp with adjustable projection inclination angle, comprising a lamp body 1, a lamp board 2, a lens assembly 3 and a transmission mechanism 4, wherein the transmission mechanism 4 is arranged on the lamp body 1, and at least one of the lens assembly 3 and the lamp board 2 is movably arranged on the lamp body 1, the lamp board 2 is used to project light, and the lens assembly 3 is used to deflect the light projected from the lamp board 2, and the transmission mechanism 4 is used to drive at least one of the lens assembly 3 and the lamp board 2 to move, so that the relative position of the lens assembly 3 and the lamp board 2 changes to change the angle at which the lens assembly 3 deflects the light.

[0025] In this application, the light board 2 typically uses an aluminum-based PCB (Printed Circuit Board). LEDs can be mounted on the aluminum-based PCB as a light source to project light. The aluminum-based PCB has excellent thermal conductivity, which helps dissipate heat from the LEDs. Depending on the application requirements, the LEDs can be arranged in a dotted pattern.

[0026] This application is applicable to LED in-ground lamps. When applied to LED in-ground lamps, the lamp body 1 includes an embedded component 6, which protects the light source and lens assembly 3. Taking an LED in-ground lamp as an example, changes in the horizontal relative position of the lens assembly 3 and the light source can cause changes in the focal point and deflection angle of the light, thereby affecting the final lighting effect. The transmission mechanism 4 can precisely control the relative position of the light source and lens assembly 3 to ensure that the light is deflected in the desired manner.

[0027] In a feasible embodiment, the lamp board 2 is movably provided on the lamp body 1, and the transmission mechanism 4 is used to drive the lamp board 2 to move, so that the relative position of the lens assembly 3 and the lamp board 2 changes to change the angle at which the lens assembly 3 deflects light.

[0028] In a feasible embodiment, the lamp board 2 and the lens assembly 3 are both movably provided on the lamp body 1, and the transmission mechanism 4 is used to simultaneously drive the lamp board 2 and the lens assembly 3 to move, so that the relative position of the lens assembly 3 and the light board 2 changes to change the angle at which the lens assembly 3 deflects the light.

[0029] In a preferred embodiment, the lens assembly 3 is movably mounted on the lamp body 1, and the transmission mechanism 4 is used to drive the lens assembly 3 to move, thereby changing the relative position of the lens assembly 3 and the lamp panel 2 to alter the angle at which the lens assembly 3 deflects light. Because the lamp panel 2 requires connection to electrical components such as wiring and a heat sink 14, the movement of the lamp panel 2 is restricted by these components. Therefore, this preferred embodiment only moves the lamp panel 2, free from the constraints of other electrical components, resulting in a simpler structure and significantly reduced design complexity.

[0030] In one feasible embodiment, the transmission mechanism 4 includes a sliding block 41, a screw shaft 42, and a drive assembly 43. The sliding block 41 is connected to the lens assembly 3, the screw shaft 42 is rotatably mounted on the lamp body 1, and the drive assembly 43 is mounted on the lamp body 1. The outer peripheral wall of the screw shaft 42 is threadedly connected to the sliding block 41, and the end of the screw shaft 42 is connected to the power output end of the drive assembly 43. The drive assembly 43 is used to drive the screw shaft 42 to rotate, so that the sliding block 41 drives the lens assembly 3 to move. This embodiment uses the screw shaft 42 and the sliding block 41 to form a spiral pair to convert the rotational motion of the drive assembly 43 into linear motion. When the screw rotates, due to the spiral shape of the thread, the sliding block 41 will perform linear motion along the axis of the screw shaft 42, thereby driving the lens assembly 3 to move. This embodiment uses a screw transmission method to drive the lens assembly 3 to translate, which has high transmission efficiency and accuracy, and can accurately control the position between the lens assembly 3 and the lamp panel 2.

[0031] In a feasible embodiment, the drive assembly 43 includes a first bevel gear 431, a second bevel gear 432 and a drive shaft 433, the first bevel gear 431 is connected to one end of the screw shaft 42 close to the second bevel gear 432, the second bevel gear 432 is rotatably provided on the lamp body 1, the first bevel gear 431 is engaged with the second bevel gear 432, the drive shaft 433 is connected to the second bevel gear 432, and the drive shaft 433 is used to drive the second bevel gear 432 to rotate to drive the first bevel gear 431 to rotate. For ease of understanding, this embodiment is described by taking an LED underground lamp as an example. The axial direction of the first bevel gear 431 is vertical, the axial direction of the second bevel gear 432 is horizontal, and correspondingly, the axial direction of the drive shaft 433 is vertical. The driving shaft 433 can be driven to rotate by manual drive or mechanical drive. In manual drive mode, the end of the drive shaft 433 extends outside the embedded part 6 and is provided with a slot, into which an operator can insert a tool, thereby rotating the drive shaft 433 to rotate the first bevel gear 431. In mechanical drive mode, the end of the drive shaft 433 is connected to the power output terminal of the drive motor, which drives the drive shaft 433 to rotate, thereby driving the first bevel gear 431 to rotate.

[0032] In a feasible embodiment, the lens assembly 3 includes a supporting plate 31, a mounting tube 32, a first lens 33 and a second lens 34. The supporting plate 31 is movably arranged on the lamp body 1, and the transmission mechanism 4 is used to drive the supporting plate 31 to move. The mounting tube 32 is arranged on the supporting plate 31, and the first lens 33 and the second lens 34 are arranged in the mounting tube 32 at intervals. In this embodiment, the supporting plate 31 drives the mounting tube 32 to move, thereby changing the relative positions of the first lens 33, the second lens 34 and the lamp board 2. When the light emitted by the lamp board 2 passes through the first lens 33 and the second lens 34, the first lens 33 and the second lens 34 will refract the light once, changing the direction and convergence point of the light. In this embodiment, the first lens 33 will focus the light, and then the light focused by the first lens 33 passes through the second lens 34 again, further changing the propagation path of the light, thereby obtaining the expected deflection route of the light.

[0033] In one feasible embodiment, the carrier plate 31 is marked with a degree 311, and the lamp body 1 is provided with an indicator needle 11, which is used to indicate the degree 311 to show the angle of light deflected by the lens assembly 3. This embodiment has a simple indication method, and combined with the translation of the lens assembly 3, the angle of the deflected light can be obtained very intuitively.

[0034] In a feasible embodiment, the mounting tube 32 is provided with a clamping block 321, and the clamping block 321 is used to clamp onto the carrier plate 31 to fix the mounting tube 32 on the carrier plate 31. The assembly method of this embodiment is simple and can quickly fix the mounting tube 32 on the carrier plate 31.

[0035] In one feasible embodiment, the lamp body 1 is provided with a plurality of limit screws 12, and the support plate 31 is provided with a strip hole 312, the strip hole 312 allowing the limit screw 12 to pass through and slide on the outer peripheral wall of the limit screw 12, and the limit screw 12 is provided with a limit step 13, and the limit step 13 is used to support the support plate 31. The plurality of limit screws 12 are not collinear on the lamp body 1, and together form a plane supporting the support plate 31. Taking the LED buried lamp as an example, the plurality of limit screws 12 together form a horizontal plane supporting the support plate 31, allowing the support plate 31 to move in the horizontal plane. The strip hole 312 allows the support plate 31 to move on a preset path.

[0036] In one feasible embodiment, the lamp body 1 includes a heat sink 14, which abuts against the lamp panel 2 and is used to dissipate the heat generated by the lamp panel 2. In the prior art, the lamp panel 2 and the lens are fixed to the heat sink 14 and rotate together as a whole. Specifically, a rotating shaft is added to the heat sink 14 and placed in the embedded part 6, and the projection angle is changed by applying torque to the rotating shaft. The heat sink 14 and the embedded part 6 are only in contact with the rotating shaft part, resulting in a small contact surface, which cannot quickly transfer heat to the lamp housing and has low heat dissipation efficiency. As a result, the size of the lamp with adjustable projection angle is much larger than that of the buried lamp of the same power without adjustable angle. In addition, when changing the projection angle, the lamp panel 2 needs to tilt with the heat sink 14, and the embedded part 6 will cut off a part of the light. The larger the swing angle, the more light is cut off by the embedded part 6, resulting in low light output efficiency of the lamp. In this embodiment, only the lens assembly 3 moves, while the heat sink 14 and the light panel 2 are in contact and do not need to move. This allows the heat sink 14 to maintain a larger contact surface with the embedded component 6, quickly transferring heat to the embedded component 6. This improves heat dissipation efficiency and makes the fixture more compact than similar in-ground lamps. Furthermore, since the light panel 2 does not need to be tilted, the embedded component 6 cannot intercept light, resulting in a higher light output efficiency.

[0037] In one feasible embodiment, a transparent glass 5 is further included, which covers the lens assembly 3. In this embodiment, using an LED inground lamp as an example, the transparent glass 5 prevents rain and dust from entering the lamp, protecting the internal circuitry and light source. Furthermore, the transparent glass 5 prevents the entry of dust, insects, and other small objects, thereby extending the lifespan of the light source. Furthermore, the transparent glass 5 diffuses light, making it softer, reducing glare, and providing a more comfortable lighting effect.

[0038] It will be apparent to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present application is defined by the appended claims, not the foregoing description, and all variations within the meaning and scope of the appended claims are intended to be included herein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0039] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A lamp with adjustable projection angle, characterized by: The invention comprises a lamp body (1), a lamp board (2), a lens assembly (3) and a transmission mechanism (4), wherein the transmission mechanism (4) is arranged on the lamp body (1), at least one of the lens assembly (3) and the lamp board (2) is movably arranged on the lamp body (1), the lamp board (2) is used for projecting light, and the lens assembly (3) is used for deflecting light projected from the lamp board (2), and the transmission mechanism (4) is used for driving at least one of the lens assembly (3) and the lamp board (2) to move, so that the relative position of the lens assembly (3) and the lamp board (2) changes to change the angle at which the lens assembly (3) deflects light.

2. The lamp with adjustable projection angle according to claim 1, characterized in that: The lens assembly (3) is movably arranged on the lamp body (1), and the transmission mechanism (4) is used to drive the lens assembly (3) to move, so that the relative position of the lens assembly (3) and the lamp panel (2) changes to change the angle at which the lens assembly (3) deflects light.

3. The lamp with adjustable projection angle according to claim 2, characterized in that: The transmission mechanism (4) comprises a sliding block (41), a screw shaft (42) and a driving assembly (43); the sliding block (41) is connected to the lens assembly (3); the screw shaft (42) is rotatably arranged on the lamp body (1); the driving assembly (43) is arranged on the lamp body (1); the outer peripheral wall of the screw shaft (42) is threadedly connected to the sliding block (41); the end of the screw shaft (42) is connected to the power output end of the driving assembly (43); the driving assembly (43) is used to drive the screw shaft (42) to rotate, so that the sliding block (41) drives the lens assembly (3) to move.

4. The lamp with adjustable projection angle according to claim 3, characterized in that: The driving assembly (43) comprises a first bevel gear (431), a second bevel gear (432) and a driving shaft (433); the first bevel gear (431) is connected to an end of the screw shaft (42) close to the second bevel gear (432); the second bevel gear (432) is rotatably arranged on the lamp body (1); the first bevel gear (431) is meshed with the second bevel gear (432); the driving shaft (433) is connected to the second bevel gear (432); the driving shaft (433) is used to drive the second bevel gear (432) to rotate so as to drive the first bevel gear (431) to rotate.

5. The lamp with adjustable projection angle according to claim 2, characterized in that: The lens assembly (3) comprises a carrier plate (31), a mounting tube (32), a first lens (33) and a second lens (34); the carrier plate (31) is movably arranged on the lamp body (1); the transmission mechanism (4) is used to drive the carrier plate (31) to move; the mounting tube (32) is arranged on the carrier plate (31); and the first lens (33) and the second lens (34) are arranged in the mounting tube (32) at intervals.

6. The lamp with adjustable projection angle according to claim 5, characterized in that: The carrier plate (31) is engraved with a degree (311), and the lamp body (1) is provided with an indicator needle (11), and the indicator needle (11) is used to indicate the degree (311) to show the angle of light deflected by the lens assembly (3).

7. The lamp with adjustable projection angle according to claim 5, characterized in that: The mounting tube (32) is provided with a clamping block (321), and the clamping block (321) is used to be clamped on the bearing plate (31) to fix the mounting tube (32) on the bearing plate (31).

8. The lamp with adjustable projection angle according to claim 5, characterized in that: The lamp body (1) is provided with a plurality of limit screws (12), and the supporting plate (31) is provided with a strip hole (312), the strip hole (312) can allow the limit screw (12) to pass through and slide on the outer peripheral wall of the limit screw (12), and the limit screw (12) is provided with a limit step (13), and the limit step (13) is used to support the supporting plate (31).

9. The lamp with adjustable projection angle according to claim 1, characterized in that: The lamp body (1) comprises a radiator (14), the radiator (14) abuts against the lamp board (2), and the radiator (14) is used to dissipate heat generated by the lamp board (2).

10. The lamp with adjustable projection angle according to claim 1, characterized in that: It also includes light-transmitting glass (5), which is covered on the lens assembly (3).

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