阅读说明：本技术 反光罩以及灯具 (Reflecting shade and lamp ) 是由 鞠岩 周海春 吴立桥 杨亚 刘学军 邓波 黄伟 李�瑞 贠毓 吴伟涛 于 2019-10-30 设计创作，主要内容包括：本发明涉及灯具技术领域,提供了一种反光罩,包括可拼装为碗装的两片反光片,还包括位置固定且可供灯珠安装的安装环、平行间隔设置于安装环上方且能上下移动的驱动环以及安设于安装环和驱动环之间的两组连杆组件,每一连杆组件均具有可由驱动环驱动以在安装环和驱动环之间移动的移动端,两个移动端位于均固定环的一相对侧,两片反光片分别连接在两个移动端上,安装环位于两片反光片围合形成的反光区间中。还提供一种灯具,包括灯珠,还包括上述的反光罩,灯珠安装在固定环的下方。本发明通过采用连杆组件这种结构调整的方式来改变光线的出射方向,进而达到可变焦距的目的,结构简单可靠,易于实现且适用面极广。(The invention relates to the technical field of lamps, and provides reflecting covers, which comprise two reflecting sheets capable of being assembled into a bowl, a mounting ring fixed in position and capable of mounting lamp beads, a driving ring arranged above the mounting ring at intervals in parallel and capable of moving up and down, and two groups of connecting rod assemblies arranged between the mounting ring and the driving ring, wherein each connecting rod assembly is provided with a moving end capable of being driven by the driving ring to move between the mounting ring and the driving ring, the two moving ends are positioned on the opposite sides of of a fixed ring, the two reflecting sheets are respectively connected to the two moving ends, and the mounting ring is positioned in a reflecting region formed by the two reflecting sheets in a surrounding mode.)

The reflective shade comprises two reflective sheets capable of being assembled into a bowl, and is characterized by further comprising a mounting ring fixed in position and capable of being used for mounting lamp beads, a driving ring arranged above the mounting ring at intervals in parallel and capable of moving up and down, and two groups of connecting rod assemblies arranged between the mounting ring and the driving ring, wherein each connecting rod assembly is provided with a moving end which can be driven by the driving ring to move between the mounting ring and the driving ring, the two moving ends are located on opposite sides of of the fixing ring, the two reflective sheets are connected to the two moving ends respectively, and the mounting ring is located in a reflective interval formed by enclosing the two reflective sheets.

2. The reflector of claim 1, wherein each of the linkage assemblies includes a th link and a second link, the th link is hinged to the second link, the end of the th link remote from the second link is hinged to the movable ring, the end of the th link remote from the th link is hinged to the fixed ring, and the movable end is disposed at the second link near the fixed ring.

3. The reflector of claim 2, wherein the th connecting rod and the second connecting rod, the moving ring and the th connecting rod and the fixed ring and the second connecting rod are hinged by hinge shafts, the length direction of the hinge shafts is perpendicular to the vertical line direction between the moving ring and the mounting ring, and the hinge shaft between the fixed ring and the the second connecting rod is the rotating shaft around which the moving end rotates.

4. The reflector according to claim 1, wherein two of said reflectors constitute layers of reflector units, said reflector units have two layers, two layers of said reflector units are stacked, and the splice of two of said reflectors of said reflector unit of layer is staggered with the splice of two of said reflectors of said reflector unit of layer .

5. The reflector of claim 1, wherein: the driving mechanism also comprises a driving component for driving the driving ring to move up and down.

6. The reflector of claim 5, wherein: the driving assembly comprises a driving rod arranged parallel to the driving ring, a rack connected perpendicular to the driving rod, a gear meshed with the rack and an adjusting part controlling the gear to rotate, and the driving rod is mounted at the top of the driving ring through a pressing strip.

7. The reflector of claim 6, wherein: and the rack is provided with a constraint buckle for ensuring that the rack is tightly attached to the gear.

8. The reflector of claim 1, wherein: the lamp bead driving device further comprises a wiring pipe for wiring an electric wire connected with a lamp bead, and the wiring pipe penetrates through the central hole of the driving ring.

9, lamp comprising a lamp bead, characterized in that it further comprises a reflector as claimed in any of claims 1-8, , said lamp bead being mounted below said retaining ring.

10. The luminaire of claim 9, wherein: still include the shroud the lamp shade of reflector, the reflector is adjusted to unable sheltering from behind the light that the lamp pearl sent, light follows the edge of lamp shade jets to outside the lamp shade.

Technical Field

The invention relates to the technical field of lamps, in particular to reflecting covers and a lamp.

Background

The most important characteristic of the ceiling down lamp commonly used in the current building engineering is that the integral system and the perfection of the architectural decoration can be kept, and the perfection system of the ceiling art can not be damaged due to the arrangement of the lamp.

Disclosure of Invention

The invention aims to provide reflecting covers and lamps, which change the emergent direction of light rays by adopting a structural adjustment mode of a connecting rod assembly so as to achieve the purpose of variable focal length, have simple and reliable structure, are easy to realize and are suitable for a plane .

In order to achieve the purpose, the embodiment of the invention provides the following technical scheme that the reflectors comprise two reflectors which can be assembled into a bowl, a mounting ring which is fixed in position and can be used for mounting lamp beads, a driving ring which is arranged above the mounting ring at intervals in parallel and can move up and down, and two groups of connecting rod assemblies which are arranged between the mounting ring and the driving ring, wherein each connecting rod assembly is provided with a moving end which can be driven by the driving ring to move between the mounting ring and the driving ring, the two moving ends are positioned on opposite sides of of each fixing ring, the two reflectors are respectively connected to the two moving ends, and the mounting ring is positioned in a light reflecting region which is formed by enclosing the two reflectors.

, each link assembly includes th link and a second link, th link is hinged to the second link, th link is far away from the end of the second link and the movable ring is hinged to the movable ring, the end of th link is far away from the end of the second link and the fixed ring is hinged to the movable ring, and the movable end is arranged at the position where the second link is close to the fixed ring.

, the connecting rod is hinged with the second connecting rod, the moving ring is hinged with the connecting rod and the fixing ring is hinged with the second connecting rod, the length direction of the hinge shaft is perpendicular to the vertical line direction between the moving ring and the mounting ring, and the hinge shaft between the fixing ring and the second connecting rod is the rotating shaft around which the moving end rotates.

, two layers of light reflecting units are formed by the light reflecting sheets, the light reflecting units are two layers and two layers, the light reflecting units are overlapped, the th layers are formed by the two pieces of the light reflecting units, the splicing parts of the light reflecting sheets and the second layers are formed by the two pieces of the light reflecting units, and the splicing parts of the light reflecting sheets are arranged in a staggered mode.

, it also includes a driving component for driving the driving ring to move up and down.

, the driving assembly comprises a driving rod arranged parallel to the driving ring, a rack connected perpendicular to the driving rod, a gear engaged with the rack, and an adjusting part controlling the rotation of the gear, and the driving rod is mounted on the top of the driving ring through a pressing bar.

And , a restraining buckle for ensuring the rack to be tightly attached to the gear is arranged on the rack.

, the lamp also comprises a wire tube for the wire connected with the lamp bead, the wire tube passes through the central hole of the driving ring.

The embodiment of the invention provides another technical schemes, wherein lamps comprise lamp beads and the reflecting shade, and the lamp beads are arranged below the fixing ring.

step, still include the shroud the lamp shade of reflector, the reflector is adjusted to unable sheltering from behind the light that the lamp pearl sent, light follows the edge of lamp shade jets to outside the lamp shade.

Compared with the prior art, the variable focal length lens has the advantages that the emergent direction of light rays is changed by adopting the structural adjustment mode of the connecting rod assembly, the purpose of variable focal length is further achieved, the structure is simple and reliable, the implementation is easy, and the application range is .

Drawings

Fig. 1 is a schematic view of a state of a reflector of lamps according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second state of a reflector of kinds of lamps according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of lamps from another viewing angle according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 1;

the reference numerals include 1-reflector, 2-mounting ring, 3-driving ring, 4-connecting rod assembly, 40- th connecting rod, 41-second connecting rod, 42-moving end, 43-rotating shaft, 5-driving assembly, 50-driving rod, 51-rack, 52-gear, 53-adjusting part, 54-pressing bar, 55-restriction buckle, 6-wiring pipe, 7-lamp bead and 8-lamp shade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.