CN218237249U - Lighting device - Google Patents

Abstract

The present application provides a lighting device, the lighting device comprising: lamp shade, illuminating part and extinction structure, the lamp shade has a hollow holding tank, the illuminating part activity set up in the holding tank, and can for the notch of holding tank removes, the extinction structure set up in the inner wall of holding tank, and follow the notch orientation the direction of illuminating part extends, is used for absorbing the partial light that the illuminating part produced.

Description

Lighting device

Technical Field

The application relates to the technical field of lighting, in particular to a lighting device.

Background

The lighting device is capable of emitting light to illuminate an environment surrounding the lighting device.

However, the light of the existing lighting device is easy to directly enter human eyes, which causes damage to the human eyes.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an illumination device, which has the following technical solutions:

in order to achieve the above object, an embodiment of the present application provides a lighting device, including: lamp shade, illuminating part and extinction structure, the lamp shade has a hollow holding tank, the illuminating part activity set up in the holding tank, and can for the notch of holding tank removes, extinction structure set up in the inner wall of holding tank, and follow the notch orientation the direction of illuminating part extends, is used for absorbing the partial light that the illuminating part produced.

In some embodiments of the present application, the lighting device may further include: the light-transmitting piece is plugged in the accommodating groove.

In other embodiments of the present application, at least one of: the light-transmitting piece is plugged in the notch of the accommodating groove; the light-transmitting piece is arranged between the light absorption structure and the notch; the light-transmitting piece is arranged between any two adjacent parts of the light absorption structure; the light-transmitting piece is arranged at the edge position of the light absorption structure far away from the notch.

In other embodiments of the present application, the light absorbing structures comprise annular tooth-like structures and light absorbing coatings; the annular tooth-shaped structure is attached to the inner wall of the accommodating groove; the light absorption coating is arranged on the surface of the annular tooth-shaped structure and used for absorbing light rays emitted to the annular tooth-shaped structure.

In other embodiments of the present application, the annular toothed structure includes a plurality of sets of annular racks arranged side by side, and the plurality of sets of annular racks are sequentially arranged from the notch toward the light emitting piece; the annular rack faces the side face of the first luminous piece and is perpendicular to the inner wall of the lampshade, the annular rack faces the side face of the notch and the inner wall form an included angle a, and a is larger than 0 degree and smaller than 90 degrees.

In other embodiments of the present application, the lighting device may further include: a fixing structure for fixing the luminous element; the fixed structure is movably arranged in the accommodating groove, and the edge of the fixed structure is connected with the inner wall of the lampshade; wherein, the luminous piece is arranged on one side of the fixed structure facing the notch.

In other embodiments of the present application, the lighting device may further include: the adjusting assembly comprises a connecting piece, the connecting piece is arranged in the accommodating groove and connected with the fixing structure, and the connecting piece can move in the accommodating groove to drive the light-emitting piece to move relative to the notch of the accommodating groove.

In other embodiments of the present application, the adjusting assembly further comprises a driving member for driving the connecting member to move; the drive member includes at least one of: the screwing structure is sleeved or inserted at one end of the lampshade, which is far away from the notch, and the screwing structure drives the connecting piece to rotate and/or slide in the accommodating groove by rotating relative to the lampshade; the push-pull structure is inserted into one end, back to the notch, of the lampshade, and the push-pull structure drives the connecting piece to slide in the accommodating groove through sliding relative to the lampshade.

In other embodiments of the present application, the lighting device may further include: the heat radiation structure is arranged at the other end of the notch, back to the lampshade, and at least used for radiating the light-emitting piece.

In other embodiments of the present application, the lighting device may further include: and the supporting rod is movably connected with the lampshade, and the lampshade can rotate relative to the supporting rod.

The application provides a lighting device sets up in the inner wall of holding tank through with the extinction structure to extend along the notch towards the direction of illuminating part, be used for absorbing the partial light that the illuminating part produced, cause the probability of injury to people's eye after can reducing light and directly go into people's eye.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a lighting device according to some embodiments of the present application;

FIG. 2 is a schematic view of a lighting device according to some embodiments of the present application;

fig. 3 is a partial structural schematic view of a lighting device according to some embodiments of the present application.

Description of reference numerals:

10-lighting device, 11-lamp shade, 111-notch, 12-luminous piece, 13-light absorbing structure, 131-annular rack, 14-light transmission piece, 15-fixing structure, 16-adjusting component, 17-heat dissipation structure, 18-support rod, 181-first connecting rod and 182-second connecting rod.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

An illumination device 10 is provided in the present application, fig. 1 is a schematic structural diagram of the illumination device in some embodiments of the present application, fig. 2 is a schematic usage reference diagram of the illumination device in some embodiments of the present application, fig. 3 is a schematic partial structural diagram of the illumination device in some embodiments of the present application, and an arrow in fig. 2 is a light path of a light emitting element 12. Referring to fig. 1 to 3, the lighting device 10 includes: lamp shade 11, luminous piece 12 and extinction structure 13, lamp shade 11 has a hollow holding tank, and luminous piece 12 activity sets up in the holding tank to can remove for the notch 111 of holding tank, extinction structure 13 sets up in the inner wall of holding tank, and extends along the direction of notch 111 orientation luminous piece 12, is used for absorbing the partial light that luminous piece 12 produced.

Specifically, the lampshade 11 has a hollow accommodating groove, for example, as shown in fig. 1, the lampshade 11 has a hollow structure, where the lampshade 11 may be a hollow circular tube, a hollow square tube, a hollow diamond tube, or other hollow shapes. In specific implementation, the lamp housing 11 may further have a structure of a closed cavity, a second receiving groove, and the like.

The luminous element 12 is movably disposed in the receiving groove, and the luminous element 12 can move relative to the notch 111 of the receiving groove, for example: the light emitting member 12 moves relative to the notch 111 of the receiving groove in a direction close to the notch 111, such as: the luminous element 12 moves relative to the notch 111 of the receiving groove in a direction away from the notch 111.

The light absorbing structure 13 is disposed on the inner wall of the accommodating groove, and the light absorbing structure 13 extends along the notch 111 toward the light emitting element 12, that is, the light absorbing structure 13 extends from the notch 111 toward the light emitting element 12 and is connected to the inner wall of the accommodating groove. The light absorbing structure 13 is used for absorbing part of the light generated by the light emitting component 12, and here, the material of the light absorbing structure 13 itself has light absorbing property so that the light absorbing structure 13 can absorb part of the light generated by the light emitting component 12, and the structural layout features of the light absorbing structure 13 can absorb the light, such as: other arrangements of structures that absorb light are also possible through refraction by the light absorbing structure.

When in use, as shown in fig. 2, the light emitted from the light emitting element 12 is emitted to the light absorbing structure 13 and then absorbed by the light absorbing structure 13, so that the probability that the light of the light emitting element 12 is emitted to the human eyes through the light absorbing structure 13 and then enters the human eyes can be reduced, and the probability that the light of the lighting device 10 is directly emitted to the human eyes and then harms the human eyes can be reduced. Here, the position of the human eye is not limited to that shown in fig. 2, and may be other positions on the peripheral side of the lighting device 10.

In the first embodiment, the light-emitting member 12 is disposed in the receiving groove of the lamp housing 11 and can move relative to the notch 111 of the receiving groove, so that the light-emitting position of the light-emitting member 12 can be adjusted, and the irradiation range of the lighting device 10 can be adjusted. Secondly, through setting up the light absorption structure 13 in the inner wall of holding tank to extend along the direction of notch 111 towards illuminating part 12, be used for absorbing the partial light that illuminating part 12 produced, in order to reduce the probability that light caused the injury after directly getting into people's eye. Thirdly, the light emitting element 12 is arranged in the accommodating groove of the lampshade 11, and the light absorption structure 13 is arranged on the inner wall of the accommodating groove, so that the light emitting element 12 and the light absorption structure 13 can be protected by the lampshade 11, and the service life of the light emitting element 12 and the light absorption structure 13 is prolonged.

In some embodiments of the present application, referring to fig. 1 to 3, the lighting device 10 may further include: the light-transmitting piece 14 is plugged in the accommodating groove.

Specifically, the light-transmitting member 14 means that light can pass through the light-transmitting member 14, that is, the light transmittance of the light-transmitting member 14 is greater than zero, where the light-transmitting member 14 may be a flat glass, a convex lens, a concave lens, or the like, and the material of the light-transmitting member 14 may be a light-permeable material such as a glass material, an acrylic material, or the like. The aforesaid light-transmitting member 14 shutoff is in the holding tank setting, and a round of edge of light-transmitting member 14 meets with a round of inner wall of lamp shade promptly, can seal notch 111 when light-transmitting member 14 shutoff is in the notch 111 of holding tank.

In this embodiment, the light-transmitting member 14 can ensure that the light emitted by the light-emitting member 12 can be emitted through the light-transmitting member 14 to meet the illumination requirement, and the light-transmitting member 14 is blocked in the accommodating groove to reduce the dust and other objects from entering the accommodating groove.

In other embodiments of the present application, the lighting device 10 includes at least one of: the light-transmitting piece 14 is sealed in the notch 111 of the accommodating groove; the light-transmitting member 14 is disposed between the light-absorbing structure 13 and the notch 111; the light-transmitting piece 14 is arranged between any two adjacent parts of the light-absorbing structure 13; the light-transmitting member 14 is disposed at an edge of the light-absorbing structure 13 away from the notch 111.

Specifically, the light-transmitting member 14 is disposed between any two adjacent portions of the light-absorbing structure 13 along the notch 111, that is, the light-absorbing structure 13 has at least two portions in a direction toward the light-emitting member 12 along the notch 111, and the light-transmitting member 14 is disposed between the two adjacent portions. In specific implementation, the light-transmitting element 14 can be selectively sealed in the notch 111 of the accommodating groove according to actual situations, or can be disposed between the light-absorbing structure 13 and the notch 111, or between any two adjacent portions of the light-absorbing structure 13, or at an edge position of the light-absorbing structure 13 away from the notch 111.

In this embodiment, four different setting positions are provided for the light-transmitting member 14, so that the setting positions can be selected according to actual conditions during manufacturing.

In some embodiments of the present application, referring to fig. 1 to 3, the light absorbing structure 13 includes an annular tooth structure and a light absorbing coating, the annular tooth structure is attached to the inner wall of the receiving groove, and the light absorbing coating is disposed on a surface of the annular tooth structure for absorbing light emitted to the annular tooth structure.

Specifically, the annular tooth-shaped structure is attached to the inner wall of the accommodating groove, that is, the annular tooth-shaped structure is connected to the inner wall of the accommodating groove, and the annular tooth-shaped structure is attached to one circle of the inner wall of the accommodating groove. The surface of the annular tooth-shaped structure departing from the inner wall of the accommodating groove is in a tooth shape, and the number of the teeth can be 1 or more. Here, the annular tooth-shaped structure may be adhered to the inner wall of the receiving groove, may be fixed to the inner wall of the receiving groove by a fastener, or may be attached to the inner wall of the receiving groove by other means.

The light absorption coating is arranged on the surface of the annular tooth-shaped structure and absorbs light rays emitted to the annular tooth-shaped structure, wherein the light absorption coating is made of a material with light absorption performance or the surface of the light absorption coating deviating from the annular tooth-shaped structure is subjected to blackening treatment.

In this embodiment, can refract the light that illuminating part 12 sent through annular dentate structure, and the extinction coating can absorb and penetrate to the annular dentate structure and deviate from the light that holds the tank surface, can solve the dazzling problem of light diffusion from this.

In some embodiments of the present application, referring to fig. 1 to 3, the annular tooth structure includes a plurality of annular racks 131 arranged side by side, and the plurality of annular racks 131 are arranged in sequence from the notch 111 toward the light emitting member 12; the surface of the annular rack 131 facing the side of the luminous element 12 is perpendicular to the inner wall of the lampshade 11, and the side of the annular rack 131 facing the notch 111 forms an included angle a with the inner wall, wherein a is more than 0 degree and less than 90 degrees.

Specifically, the surface of the annular rack 131 facing the light emitting member 12 is perpendicular to the inner wall of the globe 11, and the angle b is a right angle as shown in fig. 1. The surface of the annular rack 131 facing the light emitting member 12 is perpendicular to the inner wall of the lampshade 11, the side of the annular rack 131 facing the notch 111 is arranged at an included angle a with the inner wall, wherein a is more than 0 degrees and less than 90 degrees, that is, the surface of each annular rack 131 close to the light emitting member 12 is perpendicular to the inner wall of the lampshade 11, the annular rack 131 is in a trend of narrowing from the end connected with the inner wall of the lampshade 11 to the end far away from the inner wall of the lampshade 11, or the cross section of the annular rack 131 is in a right triangle shape. The size of the annular rack 131 from the end connected with the lamp housing 11 to the end far away from the lamp housing 11 is larger than the size of the annular rack 131 along the direction of the notch 111 towards the light emitting member 12. For example, referring to fig. 3, the lamp housing 11 extends along the first direction, and the size of each annular rack 131 from the end connected with the lamp housing 11 to the end far away from the lamp housing 11 is larger than the size of each annular rack 131 along the first direction.

In this embodiment, the annular rack 131 has a simple structure and a low manufacturing cost.

In some embodiments of the present application, referring to fig. 3, the lighting device 10 may further include a fixing structure 15 for fixing the light emitting element 12, the fixing structure 15 is movably disposed in the receiving groove, and an edge of the fixing structure 15 is connected to an inner wall of the lamp housing 11; wherein, the light emitting element 12 is disposed on a side of the fixing structure 15 facing the notch 111.

Specifically, the fixing structure 15 is movably disposed in the receiving groove, that is, the fixing structure 15 can move in the receiving groove, and can carry the light emitting element 12 on the fixing structure 15 to move relative to the notch 111 of the receiving groove when the fixing structure 15 moves. The edge of the fixing structure 15 is connected to the inner wall of the lampshade 11, that is, the radial dimension of the fixing structure 15 is equal to the radial dimension of the corresponding position of the fixing structure 15 in the receiving groove, and the fixing structure 15 can reduce the probability that objects such as dust contact the light emitting element 12, so as to better protect the light emitting element 12 on the side of the fixing structure 15 facing the notch 111. The light emitting member 12 may be a spherical protrusion protruding toward the notch 111 to scatter light toward the notch 111, so as to increase the irradiation range of light.

In some embodiments of the present application, referring to fig. 1 to 3, the lighting device 10 may further include: the adjusting assembly 16 includes a connecting member, the connecting member is disposed in the accommodating groove and connected to the fixing structure 15, and the connecting member can move in the accommodating groove to drive the light-emitting member 12 to move relative to the notch 111 of the accommodating groove. That is, when the connecting member moves relative to the receiving groove, the fixing structure 15 moves relative to the receiving groove, so that the light emitting element 12 connected to the fixing structure 15 moves relative to the notch 111 of the receiving groove.

In this embodiment, the light source position can be adjusted through the adjusting assembly 16 to change the irradiation range, so that different irradiation requirements can be met.

In some embodiments of the present application, referring to fig. 1-3, the adjustment assembly 16 may further include a drive member for driving the movement of the linkage member; the drive member includes at least one of: the screwing structure is sleeved or inserted at one end of the lampshade 11, which is far away from the notch 111, and the screwing structure drives the connecting piece to rotate and/or slide in the accommodating groove by rotating relative to the lampshade 11; the push-pull structure is inserted into one end of the lampshade 11, which is opposite to the notch 111, and the push-pull structure drives the connecting piece to slide in the accommodating groove through sliding relative to the lampshade 11.

Specifically, the screw structure is sleeved or inserted at an end of the lampshade, which is away from the notch 111, and the screw structure rotates relative to the lampshade 11 to drive the connecting piece to rotate and/or slide in the accommodating groove, for example: the screw structure is sleeved outside the lamp shade 11 and is in threaded connection with the outer surface of the lamp shade 11, and when the screw structure rotates relative to the lamp shade 11, the connecting member connected with the screw structure rotates to enable the fixing structure 15 and the luminous member 12 to move together relative to the notch 111. The push-pull structure inserted into one end of the lampshade 11 opposite to the notch 111 drives the connecting piece to slide in the accommodating groove by sliding relative to the lampshade 11, for example: push-and-pull structure and revolve the holding tank that the twist structure all stretched into lamp shade 11, push-and-pull structure revolves the twist structure and distributes along first direction, revolves the twist structure and 11 inner walls threaded connection of lamp shade, when revolving the relative lamp shade 11 rotation of twist structure, push-and-pull structure is pulled, and the connecting piece area fixed knot who is connected with push-and-pull structure moves 15 and illuminating part 12. The driving member may be a motor which drives the connecting member to move the fixing structure 15 and the illuminating member 12 relative to the slot 111.

In some embodiments of the present application, referring to fig. 1 and 2, the lighting device 10 may further include: the heat dissipation structure 17 is disposed at the other end of the lampshade 11 opposite to the notch 111, and at least used for dissipating heat of the light emitting element 12.

Specifically, the heat dissipation structure 17 may be a heat conduction structure or an air outlet structure. Heat radiation structure 17 among the above-mentioned can also dispel the heat to the driving piece, for example, when the driving piece is the motor drive mode, heat radiation structure 17's heat dissipation can prolong the life of motor.

For example, referring to fig. 1 and 2, the heat dissipation structure 17 is disposed at the other end of the lamp housing 11 opposite to the slot 111 and connected to a screw structure inserted into the lamp housing 11, so that the heat dissipation structure 17 can be screwed outside the lamp housing 11 to rotate the screw structure, and thus the fixing structure 15 and the light emitting element 12 can be moved.

In this embodiment, the heat dissipation structure 17 can accelerate the flow of air around the light emitting element 12, so as to cool the lighting device 10, thereby prolonging the service life of the lighting device 10.

In some embodiments of the present application, referring to fig. 1 and 2, the lighting device 10 may further include: the supporting rod 18 is movably connected with the lampshade 11, and the lampshade 11 can rotate relative to the supporting rod 18.

In this embodiment, the lamp housing 11 can rotate relative to the support rod 18 to adjust the angle of the lamp housing 11, so as to adjust the illumination angle of the illumination device 10.

In some embodiments of the present application, referring to fig. 1 and 2, the support bar 18 includes: the first connecting rod 181 and the second connecting rod 182 are movably connected, and the second connecting rod 182 can rotate relative to the first connecting rod 181; the lampshade 11 is movably connected with the second connecting rod 182, and the lampshade 11 can rotate relative to the second connecting rod 182. Here, the first link 181 is movably connected to the second link 182, the second link 182 is rotatable with respect to the first link 181, the second link 182 may be vertically rotatable with respect to the first link 181, may be horizontally rotatable with respect to the first link 181, or may be rotated in other manners; similarly, the lampshade 11 is movably connected to the second link 182, the lampshade 11 can rotate relative to the second link 182, the lampshade 11 can rotate up and down relative to the second link 182, can rotate left and right relative to the second link 182, and can rotate in other rotating manners.

In some embodiments, the second link 182 rotates up and down relative to the first link 181 to adjust an angle between the second link 182 and the first link 181, and the lampshade 11 rotates up and down relative to the second link 182 to adjust an angle between the lampshade 11 and the second link 182, thereby adjusting an illumination angle of the lighting device 10.

In some embodiments, referring to fig. 1 and 2, the lighting device 10 includes:

the lamp shade 11, the lamp shade 11 has a hollow holding tank, and the holding tank extends along the first direction, and the opening at holding tank both ends is notch 111 and rear end opening respectively.

The light-emitting piece 12 is arranged in the accommodating groove and protrudes in a spherical shape towards the direction of the notch 111.

The light absorbing structure 13, the light absorbing structure 13 is disposed on the inner wall of the accommodating groove and extends along the notch 111 towards the light emitting element 12. The light absorbing structure 13 comprises: annular dentate structure and extinction coating, annular dentate structure attaches in the inner wall of holding tank, and the extinction coating sets up in the surface that annular dentate structure deviates from the holding tank inner wall, absorbs the light of penetrating to annular dentate structure. The annular dentate structure includes: the annular racks 131 are arranged side by side, the annular racks 131 are sequentially arranged from the notch 111 to the light-emitting piece 12, the surface of one side, facing the light-emitting piece 12, of the annular rack 131 is perpendicular to the inner wall of the lampshade 11, and the side, facing the notch 111, of the annular rack 131 and the inner wall form an included angle a, wherein the angle a is more than 0 degrees and less than 90 degrees.

The light-transmitting member 14, the light-transmitting member 14 is sealed in the notch 111 of the receiving groove.

Fixed knot constructs 15, fixed knot constructs 15 activity and sets up in the holding tank, fixed knot constructs 15 edge and lamp shade 11's interior wall connection, and fixed knot constructs 15 and sets up in the one side that luminous piece 12 deviates from notch 111, and luminous piece 12 sets up in one side of fixed knot constructs 15 towards notch 111.

Adjusting part 16, including a connecting piece and driving piece, the connecting piece is shaft-like spare, and the connecting piece sets up in the holding tank to be connected with fixed knot constructs 15, the connecting piece can be in the holding tank internalization, in order to drive the notch 111 removal of illuminating part 12 for the holding tank. The driving piece is a screwing structure inserted into one end, away from the notch 111, of the lampshade 11, the screwing structure is connected with the connecting piece, and the screwing structure rotates relative to the lampshade 11 to drive the connecting piece to rotate and/or slide in the accommodating groove.

The heat dissipation structure 17 is arranged at the other end of the lampshade 11, which is back to the notch 111, and is connected with the screwing structure, the heat dissipation structure 17 is positioned outside the lampshade 11, and the heat dissipation structure 17 is at least used for dissipating heat of the light-emitting part 12.

A support bar 18, the support bar 18 comprising: the first connecting rod 181 and the second connecting rod 182 are movably connected, and the second connecting rod 182 can rotate up and down relative to the first connecting rod 181; the lampshade 11 is movably connected with the second connecting rod 182, and the lampshade 11 can rotate up and down relative to the second connecting rod 182.

In the embodiment, firstly, the light absorption structure 13 can effectively solve the problems of light diffusion and dazzling; secondly, the structure of the lighting device 10 is simple, and the manufacturing cost is low; thirdly, the support rod 18 can be inserted and arranged on the desktop, so that light can directly irradiate the desktop to be used as a desk lamp.

In the description of the present application, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying that the number of indicated technical features is indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In addition, in the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "", "and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered limiting of the present application.

In addition, in the present application, unless otherwise explicitly specified or limited, the terms "connected," "connected," and the like are to be construed broadly, e.g., as meaning both mechanically and electrically; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating between two elements or for interacting between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present application may be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. An illumination device, comprising:

the lampshade is provided with a hollow accommodating groove;

the luminous piece is movably arranged in the accommodating groove and can move relative to the notch of the accommodating groove;

the light absorption structure is arranged on the inner wall of the accommodating groove and extends along the direction of the notch towards the light-emitting piece, and is used for absorbing partial light rays generated by the light-emitting piece.

2. A lighting device as recited in claim 1, further comprising:

the light-transmitting piece is plugged in the accommodating groove.

3. A lighting device as recited in claim 2, comprising at least one of:

the light-transmitting piece is plugged in the notch of the accommodating groove;

the light-transmitting piece is arranged between the light absorption structure and the notch;

the light-transmitting piece is arranged between any two adjacent parts of the light absorption structure;

the light-transmitting piece is arranged at the edge position of the light absorption structure far away from the notch.

4. A lighting device as recited in any one of claims 1-3,

the light absorbing structures comprise annular tooth-shaped structures and light absorbing coatings;

the annular tooth-shaped structure is attached to the inner wall of the accommodating groove;

the light absorption coating is arranged on the surface of the annular dentate structure and used for absorbing light rays emitted to the annular dentate structure.

5. The lighting device of claim 4,

the annular toothed structure comprises a plurality of groups of annular racks arranged side by side, and the plurality of groups of annular racks are sequentially arranged from the notch to the light-emitting piece;

the face of the annular rack facing one side of the light-emitting piece is perpendicular to the inner wall of the lampshade, the side face of the annular rack facing the notch is arranged at an included angle a with the inner wall, and a is larger than 0 degree and smaller than 90 degrees.

6. A lighting device as recited in claim 1, further comprising:

the fixing structure is movably arranged in the accommodating groove, and the edge of the fixing structure is connected with the inner wall of the lampshade;

wherein, the luminous piece is arranged on one side of the fixed structure facing the notch.

7. A lighting device as recited in claim 6, further comprising:

the adjusting assembly comprises a connecting piece, the connecting piece is arranged in the accommodating groove and connected with the fixed structure, and the connecting piece can move in the accommodating groove to drive the luminous piece to move relative to the groove opening of the accommodating groove.

8. The lighting device of claim 7,

the adjusting assembly further comprises a driving member for driving the connecting member to move, and the driving member comprises at least one of the following components:

the screwing structure is sleeved or inserted at one end of the lampshade, which is far away from the notch, and the screwing structure rotates relative to the lampshade to drive the connecting piece to rotate and/or slide in the accommodating groove;

the push-pull structure is inserted into one end, back to the notch, of the lampshade, and the push-pull structure drives the connecting piece to slide in the accommodating groove through sliding relative to the lampshade.

9. A lighting device as recited in claim 1, further comprising:

the heat radiation structure is arranged at the other end of the notch, back to the lampshade, and at least used for radiating the light-emitting piece.

10. A lighting device as recited in claim 1, further comprising:

and the supporting rod is movably connected with the lampshade, and the lampshade can rotate relative to the supporting rod.

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