CN213207373U

CN213207373U - Adjustable lamp

Info

Publication number: CN213207373U
Application number: CN202021951763.1U
Authority: CN
Inventors: 吴克云
Original assignee: Hangzhou Fanyi Optoelectronics Technology Co ltd
Current assignee: Hangzhou Fanyi Optoelectronics Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-14
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses an adjustable lamp, which comprises a lamp holder seat connected on a lamp post, and movable lamp holders symmetrically arranged on the left side and the right side of the lamp holder seat for providing illumination, wherein the movable lamp holders are rotatably connected with the lamp holder seat; the lamp holder seat is also provided with a fixed lamp holder for providing illumination, and the fixed lamp holder is positioned in the middle of the two movable lamp holders and is relatively fixed with the lamp holder seat; the movable lamp caps are in a strip shape, and light sources in different shapes are formed between the two movable lamp caps and the fixed lamp cap by rotating the movable lamp caps; the movable lamp holder is rotated to form light sources in different forms between the movable lamp holder and the fixed lamp holder; the range size and the illumination intensity of the illumination area of the lamp can be adjusted; the lamp can be suitable for different use environments, and is simple in structure and convenient to operate.

Description

Adjustable lamp

Technical Field

The utility model relates to a lamps and lanterns field, in particular to adjustable lamps and lanterns.

Background

The desk lamp in the current market basically adopts a lamp cap, and under the condition that the heights of the lamp caps are basically consistent, the lighting area of the lamp cap is relatively fixed; therefore, in the use process of the existing desk lamp, the lighting area of the lamp holder cannot be adjusted according to the use requirement of a user, when the lighting area required by the user is large, a lighting dead angle exists, even if the lighting area of the lamp holder is adjusted by increasing the height of the desk lamp, the lighting effect can cause dimming and non-uniformity of illumination, the lighting effect is poor, the eyes of the user are damaged, and when the lighting area required by the user is small but the light source is concentrated, the adjustment cannot be performed; greatly influences work, study and rest, and is very inconvenient; therefore, the design of the existing desk lamp has great defects, the lamp cap can not be adjusted according to the use requirements of users to meet the proper illumination area and brightness which are used by the users, and the application range is very narrow.

Disclosure of Invention

The utility model overcomes the defects in the prior art and provides an adjustable lamp; the lamp is characterized in that movable lamp caps are symmetrically arranged on the left side and the right side of a lamp cap seat respectively, and the movable lamp caps are rotatably connected with the lamp cap seat; a fixed lamp holder is also arranged on the lamp holder seat; the movable lamp holder and the fixed lamp holder provide lighting effect together, and the fixed lamp holder is positioned in the middle of the two movable lamp holders; then, the movable lamp holder is rotated to enable the two movable dynamic lamp holders and the fixed lamp holder to form light sources in different forms; the light source can be adjusted to a corresponding form according to the requirements of users in different environments.

The technical scheme of the utility model is realized like this:

an adjustable lamp comprises a lamp holder seat connected to a lamp post, and movable lamp holders symmetrically arranged on the left side and the right side of the lamp holder seat to provide illumination, wherein the movable lamp holders are rotatably connected with the lamp holder seat; the lamp holder seat is also provided with a fixed lamp holder for providing illumination, and the fixed lamp holder is positioned in the middle of the two movable lamp holders and is relatively fixed with the lamp holder seat; the movable lamp holder is in a strip shape, and light sources in different shapes are formed between the two movable lamp holders and the fixed lamp holder by rotating the movable lamp holder. The movable lamp holder is rotated to form light sources in different forms between the movable lamp holder and the fixed lamp holder; then adjusting the range size and the illumination intensity of the illumination area of the lamp; the lamp can be suitable for different use environments, and is simple in structure and convenient to operate.

Preferably, the light source is in the form of any one of a long strip, an L-shape, a figure-eight, a U-shape, or a triangle. The light source has various forms, thereby correspondingly having various illumination effects.

Preferably, when the light source is in a long strip shape, the two movable lamp caps rotate oppositely until the two movable lamp caps form a flat angle of 180 degrees. At the moment, the illumination range of the lamp is the largest, and the lamp is suitable for large-range illumination requirements.

Preferably, when the light source is U-shaped, the two movable lamp caps rotate towards the center of the lamp cap base to be perpendicular to the fixed lamp cap, and the two movable lamp caps are spaced and kept parallel. At the moment, the two movable lamp heads irradiate towards the lower part in parallel, so that the left part and the right part below the lamp heads are provided with light sources, and partial shadows can be eliminated; is suitable for the environment of reading and writing.

Preferably, the movable lamp cap has a root end and a free end; when the light source is triangular, the free ends of the two movable lamp caps rotate towards the center of the lamp cap base until the free ends of the two movable lamp caps abut against each other; a triangle is enclosed between the two movable lamp caps and the fixed lamp cap. At the moment, the movable lamp holder and the fixed lamp holder enclose a ring, and the illumination of the lamp is maximum; the LED lamp is suitable for environments requiring high brightness, such as maintenance or manual work.

Preferably, a rotating shaft which is in rotating fit with the movable lamp holder is arranged in the movable lamp holder along the vertical direction, and the rotating shaft protrudes upwards or downwards from the movable lamp holder; the protruding end of the rotating shaft is connected to the lamp holder seat, and the rotating shaft and the lamp holder seat are relatively fixed along the circumferential direction; and the two ends of the rotating shaft respectively limit the separation of the movable lamp holder and the lamp holder seat. The upper end of the rotating shaft is fixed with the lamp holder seat in the circumferential direction, and the movable lamp holder is in rotating fit with the rotating shaft so as to realize the rotating connection of the movable lamp holder and the lamp holder seat. Simple structure and convenient connection.

Preferably, the movable lamp cap is arranged below the lamp cap seat; the movable lamp holder comprises a lamp holder upper cover and a lamp holder lower cover, and a first through hole which is in rotating fit with the rotating shaft is formed in the lamp holder upper cover; the lower end of the rotating shaft penetrates through the first through hole, a check ring is arranged at the lower end of the rotating shaft, and the check ring is abutted against the upper cover of the lamp holder to limit the rotating shaft to be separated from the movable lamp holder. The rotating shaft is provided with a check ring to limit the rotating shaft to be separated from the movable lamp holder, and the lamp holder is ingenious in design and does not need to be mounted by screws.

Preferably, the lamp holder base comprises an upper base cover and a lower base cover, and the lower base cover is correspondingly provided with a second through hole; the upper end of the rotating shaft is clamped with the second through hole, so that the rotating shaft and the lamp holder are fixed along the circumferential direction; and the upper end of the rotating shaft is provided with an external thread, the inside of the lamp holder seat is correspondingly provided with a nut, and the nut is arranged on the external thread so as to relatively fix the rotating shaft and the lamp holder seat. The rotating shaft is provided with external threads, so that the rotating shaft and the lamp holder seat are fixed through a nut; the connection is stable; and the tightness of the nut can be controlled to adjust the rotating tightness of the movable lamp holder, so that the movable lamp holder has good damping hand feeling during rotation.

Preferably, a limiting mechanism for limiting the rotation stroke of the movable lamp holder is further arranged between the upper surface of the lamp holder and the lower surface of the lamp holder seat, and the limiting mechanism comprises an arc-shaped sliding groove taking the rotation center of the lamp holder as the center of circle and a boss capable of sliding in the arc-shaped sliding groove; the arc-shaped sliding groove is arranged on the other one of the lamp head or the lamp head seat. Through setting up stop gear to the activity lamp holder excessively rotates, interferes the other parts of desk lamp.

Preferably, the movable lamp cap is installed below the lamp cap seat, the lower surface of the lamp cap seat is correspondingly provided with an installation groove, the movable lamp cap is embedded in the installation groove, and the lower end of the movable lamp cap is flush with the lower end of the fixed lamp cap. The movable desk lamp is embedded in the lamp holder from the lower part and is visually integrated, so that the whole is simpler and more attractive.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

firstly, in the utility model, the two movable lamp caps are rotatably connected with the lamp cap base, so that light sources with different forms are formed between the rotary lamp cap and the fixed lamp cap by rotating the movable lamp caps; the light source can be in a shape of a long strip, an L shape, a splayed shape, a U shape or a triangle; the lamp has different illumination effects and can correspond to different lighting environments; if the illumination range is large, the light source is in a strip shape, and a flat angle of 180 degrees is formed between the two movable lamp caps; when needing to learn writing and eliminating illumination shadows, the light source is made to be U-shaped, and the two movable lamp heads are spaced and kept parallel; when the lamp is required to have high illumination and concentrated light, the light source is triangular, and a triangle is enclosed between the two movable lamp caps and the fixed lamp cap. Then, the lamp can adjust the illumination effect according to the user requirement, and the use is more humanized. Moreover, the movable lamp holder is rotatably connected with the lamp holder seat through a rotating shaft, the design is ingenious, the structure is stable, and a user can freely rotate and adjust the movable lamp holder.

Drawings

Fig. 1 is a schematic perspective view illustrating a light source of a lamp according to an embodiment of the present invention in a strip shape;

fig. 2 is a bottom view of the lamp according to the embodiment of the present invention;

fig. 3 is a schematic perspective view illustrating a light source of a lamp according to an embodiment of the present invention in a U-shape;

fig. 4 is a schematic perspective view illustrating a light source of a lamp according to an embodiment of the present invention in a triangular shape;

fig. 5 is a schematic perspective view of the connection between the lamp cap and the lamp holder according to the embodiment of the present invention;

FIG. 6 is a schematic perspective view of the bottom of the lamp holder according to the embodiment of the present invention

Fig. 7 is a schematic perspective view of the movable lamp cap connected to the rotating shaft according to the embodiment of the present invention.

The figures are numbered: a lamp post 1; a lamp holder base 2; a vertical rod 1 a; a cross bar 1 b; a fixed lamp holder 3; a movable lamp head 4; a base upper cover 4 a; a base lower cover 4 b; a root end 401; a free end 402; a first through-hole 5; a seat upper cover 2 a; a seat lower cover 2 b; a second through hole 6; a rotating shaft 7; a retainer ring 8; an external thread 9; a cut 10; a nut 11; a metal gasket 12; an arc-shaped chute 13; and a boss 14.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present embodiment relates to reference orientations of respective parts, such as front and rear, etc., and is described in a state where a user normally uses the lamp after sitting on a seat.

The specific implementation manner of the utility model is as follows:

as shown in fig. 1-7, the present invention provides an adjustable lamp, especially a desk lamp which is placed on a desk for providing illumination when a person writes and reads in daily life, comprising a lamp post 1 and a lamp holder base 2 connected to the end of the lamp post 1; the lamp post 1 comprises a vertical rod 1a arranged longitudinally and a transverse rod 1b connected to the upper end of the vertical rod 1a and arranged transversely; the lamp holder base 2 is connected to the end part of the cross rod 1b, and the lamp holder base 2 is arranged along the length direction of the cross rod 2 b; a fixed lamp holder 3 for providing illumination is arranged at the central position of the lamp holder seat 2; the left side and the right side of the lamp holder seat 2 are symmetrically provided with movable lamp holders 4, the fixed lamp holders 3 are positioned at the central positions of the two movable lamp holders 4, and the movable lamp holders 4 are rotatably connected with the lamp holder seat 2; the movable base 4 has a root end 401 and a free end 402; therefore, in the process of using the lamp, the free end 402 of the movable lamp cap 4 can be controlled according to the user requirement to enable the movable lamp cap 4 to rotate, then light sources in different forms are formed between the two movable lamp caps 4 and the fixed lamp cap 3, and then the range and the illumination of an illumination area formed by the movable lamp cap 4 and the fixed lamp cap 3 together are adjusted.

Specifically, the method comprises the following steps: if 5-7, the movable lamp holder 4 is arranged below the lamp holder seat 2, the movable lamp holder 4 comprises a lamp holder upper cover 4a and a lamp holder lower cover 4b, and the lamp holder upper cover 4b is provided with a first through hole 5; the lamp holder base 2 comprises an upper base cover 2a and a lower base cover 2b, and the lower base cover 2b is correspondingly provided with a second through hole 6; along the vertical direction, rotating shafts 7 are respectively arranged in the first through hole 5 and the second through hole 6 in a penetrating manner so as to realize the rotating fit of the movable lamp holder 4 relative to the lamp holder seat 2; the method specifically comprises the following steps: the lower end of the rotating shaft 7 penetrates through the first through hole 5; and pivot 7 and first through-hole 5 can rotate relatively, and the lower extreme of pivot 7 is equipped with round retaining ring 8, retaining ring 8 can be with lamp holder upper cover 4a butt in order to restrict pivot 7 and leave movable lamp holder 4. The upper end of the rotating shaft 7 protrudes out of the movable lamp holder 4 and is inserted and fixed in the lamp holder seat 2; the upper end of the rotating shaft 7 is in clamping fit with the second through hole 6, notches 10 are formed on two sides of the upper end part of the rotating shaft 7, and the outline of the second through hole 6 is just matched with the outline of the upper notch 10 of the rotating shaft 7; the upper end of the rotating shaft 7 can be clamped in the second through hole 6, so that the rotating shaft 7 and the lamp holder base 2 are fixed along the circumferential direction; and the upper end of the rotating shaft 7 is also provided with an external thread 9; after the upper end of the rotating shaft 7 is clamped and penetrates through the second through hole 6, a nut 11 is arranged in the lamp holder seat 2; during installation, the nut 11 is screwed and fixed on the external thread 9 at the upper end of the rotating shaft 7, so that the rotating shaft 7 is fixed in the lamp holder seat 2; a metal gasket 12 is arranged between the nut 11 and the rotating shaft 7 to prevent the nut 11 from loosening and clamp the nut 11 to a certain degree, so that the movable lamp holder 4 has good damping hand feeling in the rotating process; and then the movable lamp holder 4 can stably rotate relative to the lamp holder seat 2.

Furthermore, in order to limit the excessive rotation and interference of the movable lamp cap 4 to other components, a limiting mechanism for limiting the rotation travel of the movable lamp cap 4 is arranged between the lower surface of the lower seat cover 2b and the upper surface of the upper lamp cap cover 4a, which are attached to each other, and the limiting mechanism specifically comprises an arc-shaped sliding groove 13 which takes the rotation center of the movable lamp cap 4 as the center of a circle and a boss 14 which can slide in the arc-shaped sliding groove 13, wherein the boss 14 is arranged on the upper surface of the outer periphery of the first through hole 5, the arc-shaped sliding groove 13 is arranged on the lower surface of the outer periphery of the second through hole 6, and each limiting mechanism comprises two bosses 14 which take the rotation center of the movable lamp cap 4 as the central symmetry and two arc-shaped sliding grooves 13 which. The boss 14 and the arc chute 13 are both arc-shaped, and the limiting mechanism enables the two movable lamp caps 4 to be parallel to each other and form a flat angle of 180 degrees when the two movable lamp caps 4 rotate to the limiting point in opposite directions in the rotating process of the movable lamp caps 4; when the two movable lamp caps 4 relatively rotate to the limit point towards the lamp cap base 2, the free ends 402 of the two movable lamp caps 4 are abutted against each other, in this embodiment, when the included angle between the movable lamp cap 4 and the lamp cap base is 80 degrees, a triangle is enclosed between the two movable lamp caps 4 and the fixed lamp cap 3.

In addition, as shown in fig. 6, a mounting groove 15 is correspondingly formed on the lower surface of the base lower cover 2b, so that the movable lamp cap 4 is embedded in the mounting groove 15 after being mounted, and the lower end of the movable lamp cap 4 is relatively flush with the lower end of the fixed lamp cap 3; and the mounting groove 15 does not interfere with the rotation of the movable lamp head 4; the whole body after installation is simpler and more beautiful.

As shown in fig. 1-4, light sources with different forms can be formed between the two movable lamp caps 4 and the fixed lamp cap 3 by rotating the movable lamp caps 4, so that the range size and the illumination intensity of the illumination area of the lamp can be changed; the light form can be any one of a long strip shape, an L shape, a splayed shape, a U shape or a triangular shape, and the following three common forms are specifically explained: as shown in fig. 1 and 2, when the two movable lamp caps 4 rotate in opposite directions until they form a flat angle of 180 degrees, a strip-shaped light source is formed between the movable lamp cap 4 and the fixed lamp cap 3, so as to form a rectangular illumination range; the lighting range of the lamp is largest at the moment, and the lamp is suitable for large-area illumination requirements, such as drawing and drawing. As shown in figure 3, when the two movable lamp heads 4 are parallel at intervals, a U-shaped light source is formed between the movable lamp head 4 and the fixed lamp head 3, and light sources are arranged on the left side and the right side of the lower part at the moment, so that the movable lamp head is suitable for students to write and read. As shown in fig. 4, when the two movable lamp caps 4 respectively rotate to the maximum limiting angle towards the center of the lamp cap base 2, the included angle between the movable lamp cap 4 and the fixed lamp cap 3 is the minimum; the free ends 402 of the two movable lamp caps 4 abut against each other; a triangular closed loop is formed between the two movable lamp holders 4 and the fixed lamp holder 3, at the moment, the illumination range of the lamp is the minimum, the light is the most concentrated, and the illumination intensity is the highest; the LED lamp is suitable for work with high concentration degree such as repair or manual work and the like and needing high-brightness lighting environment.

Then, the adjustable lamp of the utility model makes the movable lamp holder 4 and the fixed lamp holder 3 form light sources with different shapes by rotating the movable lamp holder 4, and is correspondingly suitable for lighting effects under different environments; different requirements of users can be met; the lamp can be suitable for different use environments; the application range is wider, and the use is more humanized.

Claims

1. An adjustable light fixture, comprising: the lamp holder comprises a lamp holder seat connected to a lamp post, and movable lamp holders symmetrically arranged on the left side and the right side of the lamp holder seat to provide illumination, wherein the movable lamp holders are rotatably connected with the lamp holder seat; the lamp holder seat is also provided with a fixed lamp holder for providing illumination, and the fixed lamp holder is positioned in the middle of the two movable lamp holders and is relatively fixed with the lamp holder seat; the movable lamp holder is in a strip shape, and light sources in different shapes are formed between the two movable lamp holders and the fixed lamp holder by rotating the movable lamp holder.

2. The adjustable light fixture of claim 1, wherein: the light source is in any one of a long strip shape, an L shape, a splayed shape, a U shape or a triangular shape.

3. The adjustable light fixture of claim 2, wherein: when the light source is in a strip shape, the two movable lamp caps rotate oppositely until the two movable lamp caps form a flat angle of 180 degrees.

4. The adjustable light fixture of claim 2, wherein: when the light source is U-shaped, the two movable lamp caps rotate towards the center of the lamp cap seat to be perpendicular to the fixed lamp cap, and the two movable lamp caps are spaced and kept parallel.

5. The adjustable light fixture of claim 2, wherein: the movable lamp cap is provided with a root end and a free end; when the light source is triangular, the free ends of the two movable lamp caps rotate towards the center of the lamp cap base until the free ends of the two movable lamp caps abut against each other; a triangle is enclosed between the two movable lamp caps and the fixed lamp cap.

6. The adjustable light fixture of claim 1, wherein: along the vertical direction, a rotating shaft which is in rotating fit with the movable lamp holder is arranged in the movable lamp holder, and the rotating shaft protrudes upwards or downwards from the movable lamp holder; the protruding end of the rotating shaft is connected to the lamp holder seat, and the rotating shaft and the lamp holder seat are relatively fixed along the circumferential direction; and the two ends of the rotating shaft respectively limit the separation of the movable lamp holder and the lamp holder seat.

7. The adjustable light fixture of claim 6, wherein: the movable lamp holder is arranged below the lamp holder seat; the movable lamp holder comprises a lamp holder upper cover and a lamp holder lower cover, and a first through hole which is in rotating fit with the rotating shaft is formed in the lamp holder upper cover; the lower end of the rotating shaft penetrates through the first through hole, a check ring is arranged at the lower end of the rotating shaft, and the check ring is abutted against the upper cover of the lamp holder to limit the rotating shaft to be separated from the movable lamp holder.

8. The adjustable light fixture of claim 7, wherein: the lamp holder base comprises an upper base cover and a lower base cover, and the lower base cover is correspondingly provided with a second through hole; the upper end of the rotating shaft is clamped with the second through hole, so that the rotating shaft and the lamp holder are fixed along the circumferential direction; and the upper end of the rotating shaft is provided with an external thread, the inside of the lamp holder seat is correspondingly provided with a nut, and the nut is arranged on the external thread so as to relatively fix the rotating shaft and the lamp holder seat.

9. The adjustable light fixture of claim 7, wherein: a limiting mechanism for limiting the rotation stroke of the movable lamp holder is also arranged between the upper surface of the lamp holder and the lower surface of the lamp holder seat, and the limiting mechanism comprises an arc-shaped sliding groove taking the rotation center of the lamp holder as the center of a circle and a boss capable of sliding in the arc-shaped sliding groove; the arc-shaped sliding groove is arranged on the other one of the lamp head or the lamp head seat.

10. The adjustable light fixture of claim 1, wherein: the movable lamp holder is arranged below the lamp holder seat, the lower surface of the lamp holder seat is correspondingly provided with a mounting groove, the movable lamp holder is embedded and arranged in the mounting groove, and the lower end of the movable lamp holder is flush with the lower end of the fixed lamp holder.