CN218819970U - Lighting lamp - Google Patents

Abstract

The application discloses illumination lamps and lanterns belongs to illumination lamps and lanterns accessory design technical field. The lighting lamp comprises a base, a light source, a first shading piece, a second shading piece and a linkage mechanism, wherein the light source is connected with the base, the first shading piece and the second shading piece are rotatably connected with the base, at least part of the first shading piece and at least part of the second shading piece are respectively positioned on two sides of the light source, at least part of the first shading piece and at least part of the second shading piece form a light emergent angle of the light source, the first shading piece is connected with the second shading piece through the linkage mechanism, so that the first shading piece and the second shading piece rotate along opposite directions, and under the condition that the first shading piece and the second shading piece rotate, the light emergent angle is changed. So, rotate through one in the first light-proof piece of external force drive and the second light-proof piece, can make first light-proof piece and second light-proof piece move simultaneously, realize the two and be close to each other or keep away from to change the light-emitting angle of light source, adjust the light-emitting scope, realize the regulation of facula size.

Description

Lighting lamp

Technical Field

The application belongs to the technical field of lighting lamp accessory design, and particularly relates to a lighting lamp.

Background

Along with the improvement of the quality of life of people, the quality of products used in daily life is correspondingly improved, and in the technical field of illumination, the illumination effect of an illumination lamp is also emphasized.

In the related art, the lighting lamp generally includes a housing and a light source disposed in the housing, the housing is provided with a light outlet for emitting light from the light source, the lighting lamp further includes a first light-shielding sheet and a second light-shielding sheet, the first light-shielding sheet and the second light-shielding sheet are respectively located at two sides of the light source, the first light-shielding sheet and the second light-shielding sheet can rotate relative to the housing, a user changes a light-emitting range of the light from the light source by adjusting an included angle between the first light-shielding sheet and the second light-shielding sheet, and further adjusts a size of a light spot. However, this method requires the user to manually and separately adjust the rotation of each light shielding sheet, and the adjustment process is complicated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide an illumination lamp, and the problem that the light spot adjusting process of the illumination lamp in the correlation technique is complex can be solved.

The embodiment of the application provides an illumination lamps and lanterns, including base, light source, first anti-dazzling screen, second anti-dazzling screen and link gear, wherein:

the light source is connected with the base, the first light shading piece and the second light shading piece are both connected with the base in a rotating mode, at least part of the first light shading piece and at least part of the second light shading piece are located on two sides of the light source respectively, at least part of the first light shading piece and at least part of the second light shading piece form a light emitting angle of the light source, the first light shading piece is connected with the second light shading piece through the linkage mechanism, so that the first light shading piece and the second light shading piece rotate in opposite directions, and the light emitting angle is changed under the condition that the first light shading piece and the second light shading piece rotate.

In this application embodiment, first light-proof piece and second light-proof piece realize synchronous motion through link gear, and the user only needs to rotate through one of first light-proof piece of external force drive and second light-proof piece, can make first light-proof piece and second light-proof piece move simultaneously, realizes that the two is close to each other or keeps away from to the light angle size that the at least part that changes the first light-proof piece that is located the light source both sides and the at least part of second light-proof piece formed, adjusts the light-emitting scope of light source promptly, realizes the regulation of facula size. So set up, the user need not to adjust each light-shielding piece alone, is favorable to simplifying facula accommodation process.

Drawings

Fig. 1 is a schematic structural diagram of a lighting fixture disclosed in an embodiment of the present application;

fig. 2 is an external view of a lighting fixture disclosed in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a lighting fixture when a light-emitting angle is a first included angle, which is disclosed in the embodiment of the present application;

fig. 4 is a schematic structural view of the lighting fixture when the light-emitting angle is the second included angle, which is disclosed in the embodiment of the present application;

fig. 5 is a schematic structural diagram of a lighting fixture when a light-emitting angle is a third included angle disclosed in the embodiment of the present application;

FIG. 6 is a partial schematic view of a lighting fixture as disclosed in embodiments herein;

fig. 7 is a partial schematic view of a lighting fixture with a first included angle of light exit disclosed in an embodiment of the present application;

fig. 8 is a partial schematic view of a lighting fixture with a light exit angle of a second included angle according to an embodiment of the disclosure;

fig. 9 is a partial schematic view of a lighting fixture when a light exit angle is a third included angle, which is disclosed in the embodiment of the present application.

Description of reference numerals:

100-base seat,

200-light source, 210-first light source, 220-second light source,

300-first light shielding member, 310-first light shielding portion, 320-second light shielding portion,

400-second light-shielding member, 410-third light-shielding portion, 420-fourth light-shielding portion,

500-linkage mechanism,

510-a first housing, 511-a first chute, 512-a third chute, 513-a first opening,

520-a second shell, 521-a second chute, 522-a fourth chute, 523-a second opening,

530-linkage rod,

540-first connecting rod, 550-second connecting rod,

560-the first bearing, 570-the second bearing,

600-first fastening member, 610-first fastening member, 620-first spacer,

700-second locking member, 710-second fastening member, 720-second spacer,

800-power supply module,

Alpha-angle of light extraction.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

The lighting fixture provided by the embodiment of the present application is described in detail with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Referring to fig. 1 to 9, a lighting fixture disclosed in the present embodiment includes a base 100, a light source 200, a first light shielding member 300, a second light shielding member 400, and a linkage mechanism 500. The base 100 serves as a mounting base for the light source 200, the first light shielding member 300, the second light shielding member 400 and the linkage mechanism 500, and the base 100 can be mounted on a wall; the light source 200 can be installed on the base 100, and the first light shielding member 300 and the second light shielding member 400 together shield the light source 200, so as to limit the light emitting range of the light source 200; the linkage 500 is used to achieve the movement of the first light shielding member 300 and the second light shielding member 400 together.

The light source 200 is connected with the base 100, the first light-shielding member 300 and the second light-shielding member 400 are both rotationally connected with the base 100, optionally, the base 100 is provided with an installation shaft, the light source 200 is arranged on the installation shaft, and the first light-shielding member 300 and the second light-shielding member 400 are rotationally connected with the installation shaft respectively, further optionally, the first light-shielding member 300 and the second light-shielding member 400 can be sleeved outside the installation shaft, and the range corresponding to the included angle between the first light-shielding member 300 and the second light-shielding member 400 is the light-emitting range of the light source 200. Further, at least a portion of the first light-shielding member 300 and at least a portion of the second light-shielding member 400 are respectively located at both sides of the light source 200, and at least a portion of the first light-shielding member 300 and at least a portion of the second light-shielding member 400 form the light-emitting angle α of the light source 200, alternatively, the entirety of the first light-shielding member 300 and the entirety of the second light-shielding member 400 are respectively located at both sides of the light source 200, and the entirety of the first light-shielding member 300 and the entirety of the second light-shielding member 400 form the light-emitting angle α, or a portion of the first light-shielding member 300 and a portion of the second light-shielding member 400 are respectively located at both sides of the light source 200, and a portion of the first light-shielding member 300 and a portion of the second light-shielding member 400 form the light-emitting angle α, so that the first light-shielding member 300 and the second light-shielding member 400 commonly shield the light source 200 to limit the light-emitting range of the light source 200 and adjust the size of the light spot.

The first light blocking member 300 is connected to the second light blocking member 400 through the link mechanism 500 so that the first light blocking member 300 and the second light blocking member 400 rotate in opposite directions, and as shown in fig. 7 to 9, in the case where the first light blocking member 300 and the second light blocking member 400 rotate, the light-emitting angle α changes. Specifically, in the case where the first light-shielding member 300 and the second light-shielding member 400 are close to each other, the light exit angle α decreases; in a case where the first light-shielding member 300 and the second light-shielding member 400 are far away from each other, the light-emitting angle α increases, and in short, the light-emitting angle α can be changed by rotating the first light-shielding member 300 and the second light-shielding member 400 in opposite directions, thereby changing the light-emitting range of the light source 200 and adjusting the size of the light spot. Alternatively, the linkage 500 may include a communicatively connected telescopic member and a detection element, one end of the telescopic member may be hinged to the base 100, the other end of the telescopic member is hinged to the second light shielding member 400, the detection element is used to detect the movement of the first light shielding member 300, and in case that the detection element detects the movement of the first light shielding member 300, the telescopic member is telescopic to drive the second light shielding member 400 to rotate relative to the base 100, thereby enabling the first light shielding member 300 and the second light shielding member 400 to approach or move away from each other.

In the embodiment of the present application, the first light-shielding member 300 and the second light-shielding member 400 realize synchronous movement through the linkage mechanism 500, and a user only needs to drive one of the first light-shielding member 300 and the second light-shielding member 400 to rotate through an external force, so that the first light-shielding member 300 and the second light-shielding member 400 can move simultaneously, and the first light-shielding member 300 and the second light-shielding member 400 can move close to or away from each other, so as to change a light-emitting angle α formed by at least a part of the first light-shielding member 300 and at least a part of the second light-shielding member 400 located at two sides of the light source 200, that is, adjust a light-emitting range of the light source 200, and thus adjust a size of a light spot. So set up, the user need not to adjust each light-shielding piece alone, is favorable to simplifying facula accommodation process.

In an alternative embodiment, the driving mechanism may only include the linkage rod 530, a first end of the linkage rod 530 is connected to the first shade 300, a second end of the linkage rod 530 is connected to the second shade 400, the linkage rod 530 may be a telescopic rod, and both ends of the linkage rod 530 are simultaneously extended or shortened to achieve the mutual approaching or mutual departing of the first shade 300 and the second shade 400.

In another embodiment, the linkage mechanism 500 includes a first housing 510, a second housing 520 and a linkage rod 530, the first housing 510 and the second housing 520 are movably connected to the base 100, the first housing 510 and the second housing 520 together form a containing space for containing the light source 200, the first light shielding member 300 and the second light shielding member 400, the first housing 510 is connected to the first light shielding member 300, the second housing 520 is connected to the second light shielding member 400, the first housing 510 is connected to the second housing 520 through the linkage rod 530, the first housing 510 drives the first light shielding member 300 to rotate along a first direction when moving, and drives the second light shielding member 400 to rotate along a second direction through the linkage rod 530 and the second housing 520, the first direction is opposite to the second direction, that is, the first light shielding member 300 and the second light shielding member 400 are close to each other or far away from each other. The first housing 510 or the second housing 520 has an opening facing the light source 200 to emit the light of the light source 200. By adopting the embodiment, the first housing 510 and the second housing 520 protect the internal components thereof together, and the fingers of the user do not need to extend into the first housing 510 or the second housing 520 to directly drive the first light-shielding member 300 or the second light-shielding member 400 to move, but control the first housing 510 or the second housing 520, so that the first light-shielding member 300 and the second light-shielding member 400 can still be close to or far away from each other, and the operation is more convenient.

In an alternative embodiment, the first housing 510 and the second housing 520 are respectively connected to the base 100 in a rotating manner, a user drives the first housing 510 or the second housing 520 to rotate by an external force, the first housing 510 drives the first light shielding member 300 to rotate, the first housing 510 drives the second housing 520 to rotate by the linkage rod 530, and the second housing 520 drives the second light shielding member 400 to rotate. Wherein, both ends of the linkage rod 530 are simultaneously extended or shortened, and both ends of the linkage rod 530 can be simultaneously extended or simultaneously shortened by an electrical control mode.

In another embodiment, the linkage mechanism 500 further includes a first connecting rod 540 and a second connecting rod 550, the first housing 510 and the second housing 520 are both slidably connected to the base 100, a first end of the first connecting rod 540 is rotatably connected to the first light shielding member 300, a second end of the first connecting rod 540 is rotatably connected to the first housing 510, when the first housing 510 moves in a third direction relative to the base 100, the first light shielding member 300 is driven by the first connecting rod 540 to rotate in the first direction, and at this time, the first housing 510, the first connecting rod 540 and the first light shielding member 300 form a slider-crank mechanism; the first end of the second link 550 is rotatably connected to the second light shielding member 400, the second end of the second link 550 is rotatably connected to the second housing 520, and when the second housing 520 moves in the fourth direction relative to the base 100, the second link 550 drives the second light shielding member 400 to rotate in the second direction, and at this time, the second housing 520, the second link 550, and the second light shielding member 400 also form a crank sliding mechanism, wherein the third direction is opposite to the fourth direction.

By adopting the embodiment, the linkage mechanism 500 adopts a mechanical linkage mode to realize that the first shading piece 300 and the second shading piece 400 are close to or far away from each other, an electrical control mode is avoided, and the condition that the linkage mechanism 500 cannot play a linkage role due to electrical abnormity problems such as power failure is avoided.

Optionally, a first adapter is rotatably disposed at a first end of the linkage rod 530, the first adapter is slidable with respect to the first housing 510, a second adapter is rotatably disposed at a second end of the linkage rod 530, the second adapter is slidable with respect to the second housing 520, the linkage rod 530 is rotatably connected to the base 100, further optionally, the linkage rod 530 is disposed with a shaft hole, the linkage rod 530 is sleeved on the mounting shaft through the shaft hole, so that the linkage rod 530 can rotate with respect to the base 100, and at this time, the first housing 510 and the second housing 520 slide in opposite directions by virtue of the linkage rod 530. Therefore, the user drives the first housing 510 to slide relative to the base 100, and then drives the first light shielding member 300 to rotate through the first connecting rod 540, and meanwhile, the first housing 510 drives the second housing 520 to slide relative to the base 100 through the linkage rod 530, and then drives the second light shielding member 400 to rotate through the second connecting rod 550, so that the first light shielding member 300 and the second light shielding member 400 are close to or far away from each other.

In an alternative embodiment, the first housing 510 and the second housing 520 are both slidably connected to the base 100, the linkage rod 530 is rotatably connected to the base 100, and a first end of the linkage rod 530 is slidable relative to the first housing 510 along a fifth direction, a second end of the linkage rod 530 is slidable relative to the second housing 520 along a sixth direction, the fifth direction is parallel to the sixth direction, and the fifth direction is opposite to the sixth direction, the fifth direction can be parallel to the sliding direction of the first housing 510, and the sixth direction can be parallel to the sliding direction of the second housing 520. Thus, the first end of the linkage rod 530 can slide relative to the first housing 510, and the second end of the linkage rod 530 can slide relative to the second housing 520, so as to avoid the blocking of the linkage rod 530 during the rotation process.

In another embodiment, the fifth direction and the sliding direction of the first housing 510 and the sixth direction and the sliding direction of the second housing 520 have preset included angles, that is, the first end of the linkage rod 530 moves relative to the first housing 510 in a direction different from the moving direction of the first housing 510 relative to the base 100, and the second end of the linkage rod 530 moves relative to the second housing 520 in a direction different from the moving direction of the second housing 520 relative to the base 100. Therefore, in the process that a user drives the first shell 510 to move relative to the base 100, the first shell 510 can drive the linkage rod 530 to move, so that the linkage rod 530 can drive the second shell 520, or in the process that the user drives the second shell 520 to move relative to the base 100, the second shell 520 can drive the linkage rod 530 to move, so that the linkage rod 530 can drive the first shell 510, the situation that the linkage rod 530 cannot be driven to move in the moving process of the first shell 510 is avoided, the situation that the linkage rod 530 cannot be driven to move in the moving process of the second shell 520 is also avoided, and the smooth moving of the linkage process is ensured.

In an alternative embodiment, the first housing 510 is provided with a first sliding slot 511, the first sliding slot 511 extends along a fifth direction, the second housing 520 is provided with a second sliding slot 521, the second sliding slot 521 extends along a sixth direction, the linkage mechanism 500 further includes a first slider and a second slider, a first end of the linkage rod 530 is rotatably connected to the first slider, the first slider is in sliding fit with the first sliding slot 511, a second end of the linkage rod 530 is rotatably connected to the second slider, and the second slider is in sliding fit with the second sliding slot 521. In another embodiment, as shown in fig. 6, the first slider may be replaced by a first bearing 560 and the second slider may be replaced by a second bearing 570, that is, the linkage mechanism 500 further includes at least one of the first bearing 560 and the second bearing 570, the first end of the linkage rod 530 is connected to the first bearing 560, the first bearing 560 is in sliding fit with the first sliding slot 511, the second end of the linkage rod 530 is connected to the second bearing 570, and the second bearing 570 is in sliding fit with the second sliding slot 521.

By adopting the embodiment, through the first bearing 560, not only can the first end of the linkage rod 530 rotate relative to the first shell 510 be realized, but also the first end of the linkage rod 530 can slide along the first sliding slot 511, and the friction force between the first bearing 560 and the first shell 510 is small, which is beneficial to the smooth sliding of the first end of the linkage rod 530 along the first sliding slot 511; similarly, through the second bearing 570, the second end of the linkage rod 530 can rotate relative to the second housing 520, and the second end of the linkage rod 530 can slide along the second sliding slot 521, and the friction between the second bearing 570 and the second housing 520 is small, so that the second end of the linkage rod 530 can smoothly slide along the second sliding slot 521, and the normal linkage process of the linkage mechanism 500 is ensured.

In an alternative embodiment, the first housing 510 and the second housing 520 are slidably connected to the base 100, and the first housing 510 and the base 100, and the second housing 520 and the base 100 can be slidably connected through a structure in which a sliding block and a sliding rail are matched. In another embodiment, the lighting fixture further comprises a first locking member 600, one of the first housing 510 and the base 100 is provided with a third sliding slot 512, the first locking member 600 penetrates through the third sliding slot 512 and is locked to the other, and the sliding direction of the first locking member 600 is parallel to the sliding direction of the first housing 510; and/or, the lighting lamp further comprises a second locking member 700, one of the second housing 520 and the base 100 is provided with a fourth sliding slot 522, the second locking member 700 penetrates through the fourth sliding slot 522 and is locked to the other, and the sliding direction of the second locking member 700 is parallel to the sliding direction of the second housing 520. With the adoption of the embodiment, the friction force in the sliding process of the first shell 510 can be increased by using the first locking member 600, the friction force in the sliding process of the second shell 520 can be increased by using the second locking member 700, the damping force in the adjusting process is increased, and the hand feeling is improved.

In an alternative embodiment, the first fastening member 600 includes a first fastening member 610, the first fastening member 610 extends through the third sliding slot 512; and/or, the second locking member 700 includes a second fastener 710, and the second fastener 710 extends through the fourth runner 522. Optionally, the first housing 510 is provided with a third sliding slot 512, an extending direction of the third sliding slot 512 is different from an extending direction of the first sliding slot 511, the second housing 520 is provided with a fourth sliding slot 522, an extending direction of the fourth sliding slot 522 is different from an extending direction of the second sliding slot 521, the base 100 may be provided with a first through hole and a second through hole, the first fastening member 610 sequentially penetrates through the first through hole and the third sliding slot 512 and is fastened by a first nut, and the second fastening member 710 sequentially penetrates through the second through hole and the fourth sliding slot 522 and is fastened by a second nut. Wherein, the first fastener 610 and the threaded fastener can be both screws or bolts.

In another embodiment, the first fastening member 600 further includes a first gasket 620, the first fastening member 610 penetrates through the first gasket 620 and the third sliding slot 512, and the first gasket 620 contacts with the first housing 510 or the base 100 with the third sliding slot 512; and/or the second locking member 700 further includes a second spacer 720, the second fastening member 710 penetrates through the second spacer 720 and the fourth sliding slot 522, and the second spacer 720 contacts with the second housing 520 or the base 100 with the fourth sliding slot 522. With the present embodiment, by adding the first gasket 620, the contact area between the first locking member 600 and the first housing 510 is increased, and the friction force during the sliding process of the first locking member 600 along the third sliding groove 512 is increased, that is, the friction force during the sliding process of the first housing 510 relative to the base 100 is further increased, the damping force during the adjustment process is increased, and the hand feeling is further improved; similarly, by adding the second spacer 720, the contact area between the second locking member 700 and the second housing 520 is increased, and the friction force of the second locking member 700 during sliding along the fourth sliding slot 522 is increased, that is, the friction force of the second housing 520 during sliding relative to the base 100 is further increased, the damping force during adjustment is increased, and the hand feeling is further improved.

In an alternative embodiment, each first securing member 600 includes a first spacer 620 and each second securing member 700 includes a second spacer 720. In another embodiment, the number of the first pads 620 is at least two, that is, each first locking member 600 includes at least two first pads 620, the first housing 510 or the base 100 provided with the third sliding slot 512 has a first surface and a second surface opposite to each other, wherein two first pads 620 are respectively in contact with the first surface and the second surface; and/or the number of the second spacers 720 is at least two, that is, each second locking member 700 includes at least two second spacers 720, the second housing 520 or the base 100 provided with the fourth sliding slot 522 is provided with a third surface and a fourth surface which are opposite to each other, wherein the two second spacers 720 are respectively in contact with the third surface and the fourth surface. With the present embodiment, as the number of the first pads 620 increases, the contact area between the first locking member 600 and the first housing 510 increases, the friction force between the first locking member 600 and the first housing 510 further increases, and the friction force during the sliding of the first housing 510 relative to the base 100 further increases; the number of the second spacers 720 is increased, so that the contact area between the second locking member 700 and the second housing 520 is increased, the friction force between the second locking member 700 and the second housing 520 is further increased, and the friction force during the sliding process of the second housing 520 relative to the base 100 is further increased, thereby facilitating further improving the damping force during the adjustment process and improving the hand feeling.

In an alternative embodiment, there is one first locking member 600 and one second locking member 700. In another embodiment, at least two first locking members 600 are provided at intervals in the extending direction of the third sliding groove 512; and/or, at least two second locking members 700 are arranged at intervals in the extending direction of the fourth sliding chute 522. With the present embodiment, the number of the first locking members 600 is increased, and the friction force during the sliding of the first housing 510 with respect to the base 100 is further increased; the number of the second locking members 700 is increased, and the friction force of the second housing 520 in the sliding process relative to the base 100 is further increased, which is beneficial to further improving the damping force in the adjusting process and improving the hand feeling. Moreover, the movement direction of the first housing 510 can be defined by at least two first locking members 600, which facilitates the first housing 510 to move accurately in the direction of the first sliding slot 511, and likewise, the movement direction of the second housing 520 can be defined by at least two second locking members 700, which facilitates the second housing 520 to move accurately in the direction of the second sliding slot 521.

In an alternative embodiment, the number of the light sources 200 is one, the first housing 510 or the second housing 520 is provided with an opening for emitting light of the light sources 200, the whole of the first light shielding member 300 and the whole of the second light shielding member 400 are respectively located at two sides of the light sources 200, and the whole of the first light shielding member 300 and the whole of the second light shielding member 400 are close to or far away from each other.

In another embodiment, as shown in fig. 1 to 5, each of the first light shielding member 300 and the second light shielding member 400 is rotatable about a rotation axis with respect to the base 100, the number of the light sources 200 is at least two, the at least two light sources 200 include a first light source 210 and a second light source 220, the first light source 210 and the second light source 220 are respectively located at two sides of the rotation axis, the first light shielding member 300 includes a first light shielding portion 310 and a second light shielding portion 320 connected to each other, the second light shielding member 400 includes a third light shielding portion 410 and a fourth light shielding portion 420 connected to each other, the first light shielding portion 310 and the third light shielding portion 410 are respectively located at two sides of the first light source 210, the first light shielding portion 310 and the third light shielding portion 410 form a light emitting angle α of the first light source 210, the second light shielding portion 320 and the fourth light shielding portion 420 are respectively located at two sides of the second light source 220, and the second light shielding portion 320 and the fourth light shielding portion 420 form a light emitting angle α of the second light source 220. Optionally, the first light source 210 faces the first housing 510, the second light source 220 faces the second housing 520, the first housing 510 is provided with a first opening 513, light corresponding to the light-emitting angle α of the first light source 210 is emitted from the first opening 513, the second housing 520 is provided with a second opening 523, and light corresponding to the light-emitting angle α of the second light source 220 is emitted from the second opening 523. Optionally, the base 100 is provided with an installation shaft, the first light source 210 and the second light source 220 are respectively located at two sides of the installation shaft, the first shading portion 310 and the second shading portion 320 are respectively located at two sides of the installation shaft, the third shading portion 410 and the fourth shading portion 420 are respectively located at two sides of the installation shaft, the first shading portion 310 and the third shading portion 410 are close to or away from each other to change the light emitting angle α of the first light source 210 and adjust the light emitting range of the first light source 210, and the second shading portion 320 and the fourth shading portion 420 are close to or away from each other to change the light emitting angle α of the second light source 220 and adjust the light emitting range of the second light source 220. The first shading portion 310 and the second shading portion 320 may be an integral structure, and the third shading portion 410 and the fourth shading portion 420 may be an integral structure.

When the first light shielding member 300 or the second light shielding member 400 rotates, the first light shielding portion 310 and the third light shielding portion 410 approach each other, and the second light shielding portion 320 and the fourth light shielding portion 420 approach each other, or the first light shielding portion 310 and the third light shielding portion 410 are away from each other, and the second light shielding portion 320 and the fourth light shielding portion 420 are away from each other. In short, the light-emitting angle α of the first light source 210 and the light-emitting angle α of the second light source 220 are changed simultaneously, and the light-emitting range of the first light source 210 and the light-emitting range of the second light source 220 are increased or decreased synchronously, so that the light spot size is adjusted. In the present embodiment, the light exit angle α of the first light source 210 and the light exit angle α of the second light source 220 are equal.

By adopting the embodiment, the user can adjust the light emitting ranges of the at least two light sources 200 only by controlling the first light shielding member 300 or the second light shielding member 400, and the light emitting ranges of each light source 200 do not need to be adjusted independently, which is beneficial to simplifying the light spot adjusting process.

In an alternative embodiment, as shown in fig. 3 to 5, the lighting fixture further includes a power supply module 800, the power supply module 800 is disposed in the first casing 510 or the second casing 520, and the power supply module 800 is electrically connected to the light source 200 to supply power to the light source 200.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A lighting fixture, comprising a base (100), a light source (200), a first shade (300), a second shade (400), and a linkage mechanism (500), wherein:

the light source (200) is connected with the base (100), the first light shielding member (300) and the second light shielding member (400) are rotatably connected with the base (100), at least part of the first light shielding member (300) and at least part of the second light shielding member (400) are respectively located at two sides of the light source (200), and at least part of the first light shielding member (300) and at least part of the second light shielding member (400) form a light exit angle (alpha) of the light source (200), the first light shielding member (300) is connected with the second light shielding member (400) through the linkage mechanism (500) so that the first light shielding member (300) and the second light shielding member (400) rotate in opposite directions, and the light exit angle (alpha) is changed under the condition that the first light shielding member (300) and the second light shielding member (400) rotate.

2. The lighting fixture of claim 1, wherein the linkage mechanism (500) comprises a first housing (510), a second housing (520), and a linkage rod (530), the first housing (510) and the second housing (520) are movably connected to the base (100), the first housing (510) and the second housing (520) together form a containing space for containing the light source (200), the first shade (300), and the second shade (400), the first housing (510) is connected to the first shade (300), the second housing (520) is connected to the second shade (400), and the first housing (510) is connected to the second housing (520) through the linkage rod (530),

when the first shell (510) moves, the first shading piece (300) is driven to rotate along a first direction, and the second shading piece (400) is driven to rotate along a second direction through the linkage rod (530) and the second shell (520), wherein the first direction is opposite to the second direction.

3. The light fixture of claim 2, wherein the linkage mechanism (500) further comprises a first connecting rod (540) and a second connecting rod (550), the first housing (510) and the second housing (520) are both slidably connected to the base (100), a first end of the first connecting rod (540) is rotatably connected to the first shade member (300), a second end of the first connecting rod (540) is rotatably connected to the first housing (510), and the first housing (510) is driven by the first connecting rod (540) to rotate in the first direction when the first housing (510) moves in a third direction relative to the base (100);

a first end of the second link (550) is rotatably connected to the second shade member (400), a second end of the second link (550) is rotatably connected to the second housing (520), and when the second housing (520) moves in a fourth direction with respect to the base (100), the second shade member (400) is driven to rotate in the second direction by the second link (550);

wherein the third direction is opposite the fourth direction.

4. A lighting fixture as recited in claim 2, wherein said first housing (510) and said second housing (520) are both slidably connected to said base (100), said linkage rod (530) is rotatably connected to said base (100), and a first end of said linkage rod (530) is slidable relative to said first housing (510) along a fifth direction, a second end of said linkage rod (530) is slidable relative to said second housing (520) along a sixth direction, said fifth direction being parallel to said sixth direction, and said fifth direction and said sliding direction of said first housing (510) and said sliding direction of said second housing (520) each have a predetermined included angle therebetween.

5. A light fixture as claimed in claim 4, characterized in that the first housing (510) is provided with a first runner (511), the first runner (511) extending in the fifth direction, the second housing (520) is provided with a second runner (521), the second runner (521) extending in the sixth direction,

the linkage mechanism (500) further comprises at least one of a first bearing (560) and a second bearing (570), a first end of the linkage rod (530) is connected with the first bearing (560), the first bearing (560) is in sliding fit with the first sliding groove (511), a second end of the linkage rod (530) is connected with the second bearing (570), and the second bearing (570) is in sliding fit with the second sliding groove (521).

6. A light fixture as recited in claim 2, wherein said first housing (510) and said second housing (520) are both slidably connected to said base (100), said light fixture further comprising a first locking member (600), one of said first housing (510) and said base (100) being provided with a third sliding slot (512), said first locking member (600) extending through said third sliding slot (512) and being locked to the other, a sliding direction of said first locking member (600) being parallel to a sliding direction of said first housing (510);

and/or, the lighting lamp further comprises a second locking member (700), one of the second shell (520) and the base (100) is provided with a fourth sliding groove (522), the second locking member (700) penetrates through the fourth sliding groove (522) and is locked to the other, and the sliding direction of the second locking member (700) is parallel to the sliding of the second shell (520).

7. A light fixture as claimed in claim 6, characterized in that said first fastening member (600) comprises a first fastening member (610) and a first washer (620), said first fastening member (610) extending through said first washer (620) and said third runner (512), said first washer (620) being in contact with said first housing (510) or said base (100) opening said third runner (512);

and/or the second locking member (700) comprises a second fastening member (710) and a second spacer (720), the second fastening member (710) penetrates through the second spacer (720) and the fourth sliding chute (522), and the second spacer (720) is in contact with the second shell (520) or the base (100) provided with the fourth sliding chute (522).

8. A lighting fixture as recited in claim 7, wherein the number of the first gaskets (620) is at least two, and the first casing (510) or the base (100) provided with the third sliding groove (512) is provided with a first surface and a second surface which are opposite to each other, wherein the two first gaskets (620) are respectively in contact with the first surface and the second surface;

and/or the number of the second gaskets (720) is at least two, the second shell (520) or the base (100) provided with the fourth sliding chute (522) is provided with a third surface and a fourth surface which are opposite, and the two second gaskets (720) are respectively contacted with the third surface and the fourth surface.

9. A light fixture as claimed in claim 6, characterized in that in the extension direction of the third runner (512), at least two of the first locking members (600) are arranged at intervals;

and/or at least two second locking members (700) are arranged at intervals in the extending direction of the fourth sliding chute (522).

10. A lighting fixture as recited in claim 1, wherein each of the first and second light baffles (300, 400) is rotatable relative to the base (100) about an axis of rotation, the number of light sources (200) is at least two, the at least two light sources (200) comprise a first light source (210) and a second light source (220), the first light source (210) and the second light source (220) are located on either side of the axis of rotation,

the first light shielding member (300) comprises a first light shielding part (310) and a second light shielding part (320) which are connected, the second light shielding member (400) comprises a third light shielding part (410) and a fourth light shielding part (420) which are connected, the first light shielding part (310) and the third light shielding part (410) are respectively positioned at two sides of the first light source (210), the first light shielding part (310) and the third light shielding part (410) form a light-emitting angle (alpha) of the first light source (210), the second light shielding part (320) and the fourth light shielding part (420) are respectively positioned at two sides of the second light source (220), and the second light shielding part (320) and the fourth light shielding part (420) form a light-emitting angle (alpha) of the second light source (220);

when the first light shielding member (300) or the second light shielding member (400) rotates, the first light shielding portion (310) and the third light shielding portion (410) approach each other, the second light shielding portion (320) and the fourth light shielding portion (420) approach each other, or the first light shielding portion (310) and the third light shielding portion (410) are distant from each other, and the second light shielding portion (320) and the fourth light shielding portion (420) are distant from each other.

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