Lamp with rotatable illumination angle

Abstract

The utility model discloses a lamp with a rotatable lighting angle, which relates to the field of lighting and comprises a lamp shell, an LED (light-emitting diode) component, a rotating shaft and a mounting fixing plate, the rotating shaft comprises a male rotating shaft, a female rotating shaft, a fixing elastic sheet, a fastener and an outer gear structure, one end of the fastener is detachably arranged on the outer wall of the male rotating shaft, and the other end of the fastener is detachably arranged on the outer gear structure. The other end of the fastener and the fixing elastic piece are both arranged in the first channel, an inner gear structure is arranged on the end face, close to the fastener, of the public rotating shaft in an annular array mode, an outer gear structure is arranged at one end of the public rotating shaft and provided with a plurality of outer gear grooves, and the middle of the fixing elastic piece is arranged in the outer gear grooves. The cable penetrates through the wiring channel in the rotating shaft and then is connected with the LED assembly, and the cable is hidden so that the attractiveness of the lamp can be prevented from being affected. When the rotation angles of the male rotation shaft and the female rotation shaft are adjusted, the axis of the deformation part of the lower cable and the rotation shaft of the female rotation shaft are collinear, the local position of the cable is twisted around the center line of the cable, frequent cable bending is avoided, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of lighting, in particular to a lamp with a rotatable lighting angle. Background Art

[0002] The current lamps can be manually rotated to adjust the illumination angle as needed. In the prior art, the illumination angle of the lamp is mostly locked by screw locking or other complex structures, and the illumination angle adjustment operation is inconvenient. The electrical connection between the lamp and the socket is usually connected by cable penetration, and the exposed cable also affects the aesthetics of the lamp.

[0003] Therefore, a rotating lamp is proposed which is convenient for adjusting and locking the illumination angle, and the rotating structure can contain cables to avoid affecting the aesthetics. Utility Model Content

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lamp with a rotatable lighting angle, comprising: a lamp housing, an LED component, a rotating shaft and a mounting and fixing plate, the LED component is arranged inside the lamp housing, the lamp housing, the rotating shaft and the mounting and fixing plate are detachably connected in sequence, the rotating shaft comprises a male rotating shaft, a female rotating shaft, a fixing spring, a fastener and an outer stop structure, a first channel is arranged inside the male rotating shaft, a second channel is arranged inside the female rotating shaft, the mounting and fixing plate is provided with a mounting hole, the mounting hole, the second channel, the first channel and the interior of the lamp housing are connected in sequence to form a wiring channel, one end of the male rotating shaft is rotatably arranged inside the second channel, one end of the fastener is detachably arranged on the outer wall of the male rotating shaft, the other end of the fastener and the fixing spring are both arranged in the first channel, an inner stop structure is provided in an annular array on the end face of the male rotating shaft close to the fastener, the outer stop structure is arranged around the inner stop structure at one end of the male rotating shaft, the outer stop structure is provided with a plurality of outer stop grooves, and the middle part of the fixing spring is arranged inside the outer stop groove.

[0005] Preferably, the outer gear structure is a circular ring, the outer gear structure is detachably connected to the male rotating shaft, the outer gear grooves are evenly spaced on the outer circumferential surface of the outer gear structure, and the total number of the outer gear grooves is equal to the total number of the inner gear structures.

[0006] Preferably, the inner gear structure is a circular groove, the inner gear structures are connected end to end to form an annular structure, the distance between the centers of adjacent inner gear structures is smaller than the diameter of the inner gear structure, and the distance between adjacent inner gear structures is larger than the radius of the inner gear structure.

[0007] Preferably, the axis of the inner gear structure and the outer gear groove both extend along the rotation axis of the male rotation shaft, and the depth of the inner gear structure is smaller than the length of the outer gear groove.

[0008] Preferably, the fixed spring piece includes a spring piece body and a protrusion, the protrusion is fixedly arranged in the middle position of the spring piece body, both ends of the spring piece body are arranged on the inner wall of the first channel, and the protrusion is arranged inside the outer gear groove.

[0009] Preferably, the mounting and fixing plate comprises a side plate and an inserting plate, the side plates are symmetrically arranged on both sides of the inserting plate, and the two side plates are detachably connected to both ends of the inserting plate respectively.

[0010] Preferably, the LED assembly includes a lamp board, a heat sink, and a driving board. A first through groove is opened at one end of the heat sink, the lamp board is arranged inside the through groove, the driving board is arranged at the end of the heat sink away from the through groove, and a plurality of heat dissipation grooves are provided at the end of the heat sink away from the through groove, and the lamp board is electrically connected to the driving board.

[0011] Preferably, the lamp housing comprises a lamp housing body, a lens and a side cover, one end of the lens is recessed with a mounting groove, the heat sink is arranged inside the mounting groove, the lamp housing body is provided with a second through groove, the lens is inserted inside the second through groove, the side covers are detachably arranged at both ends of the lamp housing body, and the two ends of the lens respectively contact the two side covers.

[0012] Preferably, the male rotation axis further includes a convex column, which is integrally formed and arranged on the inner wall of the first channel, and through holes are provided at both ends of the spring body, and the convex columns pass through the through holes in a one-to-one correspondence.

[0013] Preferably, a T-shaped convex rib is convexly provided on the end surface of the side plate close to the plug plate, a T-shaped through slot is opened on the end surface of the plug plate close to the side plate, and the T-shaped convex rib is arranged inside the T-shaped through slot.

[0014] The beneficial effects of the utility model are as follows: the cable is connected to the LED assembly after passing through the wiring channel inside the rotating shaft, and the cable is hidden inside to avoid affecting the aesthetics of the lamp. When the male rotating shaft and the female rotating shaft adjust the rotation angle, the axis of the deformed part of the lower cable is in line with the rotation axis of the female rotating shaft, and the local position of the cable will twist around the center line of the cable, avoiding frequent bending of the cable, which is conducive to extending the service life of the cable.

[0015] By arranging a plurality of anti-rotation holes arranged in a circumferential direction on the rotating disk, and by providing an elastic latch component with a latch that can be extended into or moved out of the anti-rotation hole, and by inserting the latch into different anti-rotation holes, the rotation angle of the lamp pole can be positioned at a certain set angle, so that the lamp on the upper end of the lamp pole can illuminate in the set direction, the structure is simple, the cost is low and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings further illustrate the present invention, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0017] Figure 1A schematic diagram of the structure of a lamp with a rotatable lighting angle provided by an embodiment of the utility model;

[0018] Figure 2 A cross-sectional view of a lamp with a rotatable lighting angle provided by an embodiment of the utility model;

[0019] Figure 3 for Figure 1 A magnified view of the middle A area;

[0020] Figure 4 for Figure 2 Enlarged view of the B area;

[0021] Figure 5 A schematic diagram of the structure of a fixing spring sheet provided in one embodiment of the utility model;

[0022] Figure 6 A schematic diagram of the structure of the outer gear structure provided by an embodiment of the utility model.

[0023] Figure numerals: 2: lamp housing; 3: mounting plate; 12: male rotating shaft; 11: female rotating shaft; 13: fixing spring; 15: fastener; 14: outer stop structure; 15: sealing ring; 41: lamp board; 42: heat sink; 43: driving board. DETAILED DESCRIPTION

[0024] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0025] It should be noted that in the present invention, unless otherwise stated, when an element is referred to as being "fixed to" or "set on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time. The directional words used, such as "upper, lower, left, right" generally refer to the upper, lower, left, right, and right sides of the element. Figure 1 "Inside and outside" refer to the inside and outside of a specific outline. "Far and near" refer to the far and near relative to a certain component.

[0026] like Figure 1-Figure 5As shown in, a lamp with a rotatable lighting angle provided by an embodiment of the utility model includes: a lamp housing 2, an LED component, a rotating shaft and a mounting plate 3, wherein the LED component is arranged inside the lamp housing 2, and the lamp housing 2, the rotating shaft and the mounting plate 3 are detachably connected in sequence, and the rotating shaft includes a male rotating shaft 12, a female rotating shaft 11, a fixing spring 13, a fastener 15 and an outer stop structure 14, a first channel is arranged inside the male rotating shaft 12, a second channel is arranged inside the female rotating shaft 11, and the mounting plate 3 is provided with a mounting hole, the mounting hole, the second channel, the first The channel is connected with the interior of the lamp housing 2 in sequence to form a wiring channel. One end of the male rotating shaft 12 can be rotatably arranged in the second channel. One end of the fastener 15 can be detachably arranged on the outer wall of the male rotating shaft 12. The other end of the fastener 15 and the fixing spring piece 13 are both arranged in the first channel. The end face annular array of the male rotating shaft 12 close to the fastener 15 is provided with an inner stop structure. The outer stop structure 14 is arranged around the inner stop structure at one end of the male rotating shaft 12. The outer stop structure 14 is provided with a plurality of outer stop grooves. The middle part of the fixing spring piece 13 is arranged inside the outer stop groove.

[0027] Preferably, the outer gear structure 14 is a ring body, the outer gear structure 14 is detachably connected to the male rotating shaft 12, the outer gear grooves are evenly spaced on the outer circumferential surface of the outer gear structure 14, and the total number of the outer gear grooves is equal to the total number of the inner gear structures.

[0028] Preferably, the inner gear structure is a circular groove, the inner gear structures are connected end to end to form an annular structure, the distance between the centers of adjacent inner gear structures is smaller than the diameter of the inner gear structure, and the distance between adjacent inner gear structures is larger than the radius of the inner gear structure.

[0029] Preferably, the axis of the inner gear structure and the outer gear groove both extend along the rotation axis of the male rotation shaft 12 , and the depth of the inner gear structure is less than the length of the outer gear groove.

[0030] Preferably, the fixed spring piece 13 comprises a spring piece body and a protrusion, the protrusion is fixedly arranged in the middle position of the spring piece body, both ends of the spring piece body are arranged on the inner wall of the first channel, and the protrusion is arranged inside the outer gear groove.

[0031] Preferably, the mounting and fixing plate 3 comprises a side plate and an inserting plate, wherein the side plates are symmetrically arranged on both sides of the inserting plate, and the two side plates are detachably connected to both ends of the inserting plate respectively.

[0032] Preferably, the LED assembly includes a lamp board 41, a heat sink 42, and a driving board 43. A first through groove is opened at one end of the heat sink 42, the lamp board 41 is arranged inside the through groove, and the driving board 43 is arranged at the end of the heat sink 42 away from the through groove. A plurality of heat dissipation grooves are provided at the end of the heat sink 42 away from the through groove, and the lamp board 41 is electrically connected to the driving board 43.

[0033] Preferably, the lamp housing 2 includes a lamp housing 2 body, a lens and a side cover, one end of the lens is recessed with a mounting groove, the heat sink 42 is arranged inside the mounting groove, the lamp housing 2 body is provided with a second through groove, the lens is inserted inside the second through groove, and the side cover is detachably arranged at both ends of the lamp housing 2 body, and the two ends of the lens respectively abut against the two side covers.

[0034] Preferably, the male rotating shaft 12 further includes a boss, which is integrally formed on the inner wall of the first channel, and through holes are provided at both ends of the spring body, and the bosses pass through the through holes in a one-to-one correspondence.

[0035] Preferably, a T-shaped convex rib is convexly provided on the end surface of the side plate close to the plug plate, a T-shaped through slot is opened on the end surface of the plug plate close to the side plate, and the T-shaped convex rib is arranged inside the T-shaped through slot.

[0036] The beneficial effects of the utility model are as follows: the cable is connected to the LED assembly after passing through the wiring channel inside the rotating shaft, and the cable is hidden inside to avoid affecting the aesthetics of the lamp. When the male rotating shaft 12 and the female rotating shaft 11 adjust the rotation angle, the axis of the deformed part of the lower cable is in line with the rotation axis of the female rotating shaft 11, and the local position of the cable will twist around the center line of the cable, avoiding frequent bending of the cable, which is conducive to extending the service life of the cable.

[0037] The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which should be considered as the scope of this specification.

Claims

1. A lamp with a rotatable lighting angle, characterized in that: include: A lamp housing, an LED component, a rotating shaft and an installation and fixing plate, wherein the LED component is arranged inside the lamp housing, and the lamp housing, the rotating shaft and the installation and fixing plate are detachably connected in sequence, the rotating shaft includes a male rotating shaft, a female rotating shaft, a fixing spring, a fastener and an outer gear structure, a first channel is provided inside the male rotating shaft, a second channel is provided inside the female rotating shaft, and the installation and fixing plate is provided with a mounting hole, and the mounting hole, the second channel, the first channel and the interior of the lamp housing are connected in sequence to form a wiring channel, one end of the male rotating shaft is rotatably arranged inside the second channel, one end of the fastener is detachably arranged on the outer wall of the male rotating shaft, the other end of the fastener and the fixing spring are both arranged in the first channel, an inner gear structure is provided in an annular array on the end face of the male rotating shaft close to the fastener, the outer gear structure is arranged around the inner gear structure at one end of the male rotating shaft, the outer gear structure is provided with a plurality of outer gear grooves, and the middle part of the fixing spring is arranged inside the outer gear groove.

2. The lamp with a rotatable lighting angle according to claim 1, characterized in that: The outer gear structure is a circular ring body, and the outer gear structure is detachably connected to the male rotating shaft. The outer gear grooves are evenly spaced and arranged on the outer circumferential surface of the outer gear structure, and the total number of the outer gear grooves is equal to the total number of the inner gear structures.

3. The lighting fixture with a rotatable lighting angle according to claim 1, characterized in that: The inner gear structure is a circular groove, and the inner gear structures are connected end to end to form a ring structure. The distance between the centers of adjacent inner gear structures is less than the diameter of the inner gear structure, and the distance between adjacent inner gear structures is greater than the radius of the inner gear structure.

4. The lamp with a rotatable lighting angle according to claim 3, characterized in that: The axis of the inner gear structure and the outer gear groove both extend along the rotation axis of the male rotation shaft, and the depth of the inner gear structure is less than the length of the outer gear groove.

5. The lamp with rotatable lighting angle according to claim 1, characterized in that: The fixed spring piece includes a spring piece body and a protrusion, wherein the protrusion is fixedly arranged in the middle position of the spring piece body, both ends of the spring piece body are arranged on the inner wall of the first channel, and the protrusion is arranged inside the outer gear groove.

6. The lamp with a rotatable lighting angle according to claim 1, characterized in that: The mounting and fixing plate comprises a side plate and an inserting plate, wherein the side plates are symmetrically arranged on both sides of the inserting plate, and the two side plates are detachably connected to both ends of the inserting plate respectively.

7. The lamp with a rotatable lighting angle according to claim 1, characterized in that: The LED assembly includes a lamp board, a heat sink, and a driving board. A first through groove is opened at one end of the heat sink, the lamp board is arranged inside the through groove, and the driving board is arranged at the end of the heat sink away from the through groove. A plurality of heat dissipation grooves are arranged at the end of the heat sink away from the through groove, and the lamp board is electrically connected to the driving board.

8. The lamp with rotatable lighting angle according to claim 7, characterized in that: The lamp housing includes a lamp housing body, a lens and a side cover. A mounting groove is recessed at one end of the lens, the heat sink is arranged inside the mounting groove, the lamp housing body is provided with a second through groove, the lens is inserted inside the second through groove, and the side covers are detachably arranged at both ends of the lamp housing body, and the two ends of the lens respectively abut against the two side covers.

9. The lamp with a rotatable lighting angle according to claim 5, characterized in that: The male rotation axis further includes a convex column, which is integrally formed and arranged on the inner wall of the first channel. Through holes are provided at both ends of the spring sheet body, and the convex columns pass through the through holes in a one-to-one correspondence.

10. The lamp with rotatable lighting angle according to claim 6, characterized in that: The end surface of the side plate close to the plug plate is convexly provided with a T-shaped convex rib, the end surface of the plug plate close to the side plate is provided with a T-shaped through slot, and the T-shaped convex rib is arranged inside the T-shaped through slot.

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