CN111174136B

CN111174136B - Angle-adjustable strip light

Info

Publication number: CN111174136B
Application number: CN201910935796.2A
Authority: CN
Inventors: 季丰
Original assignee: Ningbo Self Electronics Co Ltd
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2025-06-13
Anticipated expiration: 2039-09-29
Also published as: CN111174136A

Abstract

The invention discloses an angle-adjustable strip lamp which comprises a lamp body, end covers arranged at two ends of the lamp body and a fixed seat connected with the end covers, wherein the lamp body is provided with a central shaft, the end covers rotate around the central shaft relative to the fixed seat, an elastic clamping seat and a gear are arranged between the end covers and the fixed seat and used for limiting rotation, one end of the elastic clamping seat is fixed on the end covers or the fixed seat, the other end of the elastic clamping seat extends to the free end of the gear along the axial direction, and a protrusion meshed with the gear is arranged on the elastic clamping seat.

Description

Angle-adjustable strip lamp

Technical Field

The invention relates to the technical field of lamplight illumination, in particular to a bar lamp with an adjustable angle.

Background

Under the background of energy conservation and environmental protection, the LED lamp is increasingly applied to the fields of household and commercial illumination due to high light emitting efficiency and good light condensing performance. In places such as exhibitions, jewelry stores, museums, supermarkets, etc., there are also some house lighting, such as in large villas. With the large number of uses of LED luminaires, particularly bar luminaires, these home or business areas of lighting are made closer to the real needs of the user. In some application fields such as wall wash lamps, lawn lamps and the like, the projection direction of the lamps is often required to be changed to meet the illumination requirements of users.

The patent document with the publication number of CN205807043U discloses an angle adjusting mechanism of an LED strip lamp, the angle adjusting mechanism comprises end covers positioned at two ends of a lamp body, a threading tube extending along the axial direction of the lamp body is arranged on the end covers, a lamp holder and a gear are sleeved on the threading tube, wherein the edge of the gear is contained in an opening of the lamp holder, gear teeth of the gear are matched with limiting teeth on a limiting plate, the limiting plate is positioned in an outer end cover, when the lamp holder is rotated, the gear can rotate under the drive of the lamp holder, the limiting plate is deformed under the action force of the gear, so that the position meshed with the gear is changed, the lamp body is limited at the current angle, and the light emitting angle is adjustable.

The structure can adjust different light-emitting angles, but because the limiting plate and the gear are separate parts, the steps are increased during assembly, the assembly is long in time consumption, and meanwhile, because the limiting plate is positioned in the sliding groove of the outer end cover, the limiting plate easily falls off from the sliding groove due to vibration and the like, the matching with the gear cannot be effectively realized, and thus the dimming effect is affected.

Disclosure of Invention

In view of the above, the present invention provides an angle-adjustable bar lamp to solve the above-mentioned technical problems.

The utility model provides a but angle regulation's bar lamp, includes the lamp body, sets up at the end cover at lamp body both ends and the fixing base of being connected with the end cover, the lamp body has the center pin, the relative fixing base of end cover is around the center pin rotates and is equipped with between the two and is used for prescribing a limit to pivoted elasticity cassette and gear, elasticity cassette one end is fixed on end cover or the fixing base, the other end is along axial extension extremely the free end of gear, be equipped with on the elasticity cassette with gear engagement's arch.

Preferably, a plurality of elastic buckles which are distributed at intervals around the central shaft to form a rotating shaft are arranged on the end cover, a shaft sleeve matched with the rotating shaft is arranged on the fixing seat, and the hook part of each buckle is in clamping fit with one side, away from the end cover, of the shaft sleeve.

Preferably, the elastic buckle is a first arc-shaped elastic piece which is bent around the central shaft.

Preferably, the elastic buckle and the end cover are integrally formed.

Preferably, the elastic clamping seat is a second arc-shaped elastic sheet arranged between adjacent elastic buckles, and the protrusions are arranged on the outer surface of the second arc-shaped elastic sheet.

Preferably, an expanding section is arranged on one side of the shaft sleeve, which is close to the end cover, and the gear is an internal gear arranged on the expanding section.

Preferably, the elastic clamping seat and the end cover are integrally formed.

Preferably, the elastic clamping seat is provided with a plurality of elastic clamping seats and is distributed around the center of the central shaft in a central symmetry manner.

Preferably, a limiting protrusion for preventing over-rotation is arranged on one side of the shaft sleeve away from the end cover, and the limiting protrusion is in limiting fit with the hook part of the elastic buckle.

Preferably, the end cover is provided with a wire through hole, and the wire through hole is arranged in an area surrounded by the elastic buckle.

The invention has the technical effects that:

the angle-adjustable strip lamp is simple and compact in structure, convenient to assemble, small in space required by rotation and good in practicability.

Drawings

Embodiments of the invention are described below with reference to the accompanying drawings, in which:

Fig. 1 is a schematic perspective view of an angle-adjustable bar lamp according to this embodiment.

Fig. 2 is a schematic perspective view of an end cap and a fixing base of the angle-adjustable bar lamp according to the present embodiment.

Fig. 3 is a schematic perspective view of another angle between the end cover and the fixing base of the angle-adjustable bar lamp in this embodiment.

Fig. 4 is a schematic view showing the structure of the angle-adjustable bar lamp according to the present embodiment.

Fig. 5 is a schematic cross-sectional view of the angle-adjustable bar-shaped lamp of the present embodiment at the mating position of the elastic clamping seat and the gear.

Detailed Description

Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of the embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1-5, the angle-adjustable bar lamp of the present embodiment includes a lamp body 100, end caps 200 disposed at two ends of the lamp body 100, and a fixing base 300 connected to the end caps 200, wherein the lamp body 100 has a central axis 101, the end caps 200 rotate around the central axis 101 relative to the fixing base 300, and an elastic clamping seat 400 and a gear 500 for limiting rotation are disposed between the end caps 200. In this embodiment, the lamp body 100 and the connection mode of the lamp body 100 and the end cover 200 are not the key point of the present invention, and the existing lamp body structure may be adopted, and generally includes a lamp holder, a circuit board with a light source, and a lens (lampshade), wherein the end covers 200 are fixed at two ends of the lamp holder. In this embodiment, the lamp body 100 rotates around the central axis 101.

In the prior art, in order to realize a more flexible illumination mode, a strip lamp with a large illumination area is arranged in an angle-adjustable mode, namely, the lamp body can rotate relative to a fixed seat, and meanwhile, a locking position is needed, so that a plurality of methods for realizing the functions are needed. The elastic clamping seat is arranged on one part of the end cover and the fixing seat, and the gear is arranged on the other part. The present embodiment is modified as follows in order to simplify the structure.

Wherein, the elastic clamping seat and the gear can be arranged at one end or at two ends.

In this embodiment, one end of the elastic clamping seat 400 is fixed on the end cover 200 or the fixing seat 300, the other end is a free end extending to the gear 500 along the axial direction, and the elastic clamping seat 400 is provided with a protrusion 401 engaged with the gear 500. The elastic clamping seat 400 can be made of a plastic material such as metal or plastic, so that under the condition that one end is fixed, the other end has elasticity, and the elastic clamping seat 400 is matched with the gear 500 in a simple mode, so that the structure is simple, and the manufacturing is convenient.

In order to simplify the connection mode between the end cover 200 and the fixing base 300, in this embodiment, a plurality of elastic buckles 201 are disposed on the end cover 200 and distributed at intervals around the central shaft 101 to form the rotating shaft 202, a shaft sleeve 301 matched with the rotating shaft 202 is disposed on the fixing base 300, and a hook portion of each buckle 201 is in clamping fit with one side of the shaft sleeve 301 away from the end cover 200. One end of the elastic buckle 201 is used for fixing, the middle area is used for forming the rotating shaft 202, and the tail end barb is used as a connecting structure. The elastic buckle 201 has the function of a rotating shaft, realizes axial fixation, and simplifies the structure.

To make the relative rotation smoother and smoother, the elastic buckle 201 is a first arc-shaped elastic piece which is bent around the central axis. The first arc-shaped elastic sheets which are bent around the central shaft can form a cylinder-like form, and the matching degree with the shaft sleeve is better. In this embodiment, the elastic buckle 201 is provided with four elastic buckles, two elastic buckles are arranged in a group and symmetrically.

The fixing manner of the elastic buckle 201 and the end cap 200 may be a fixing structure such as a screw, so that the elastic buckle 201 and the end cap 200 are integrally formed for further simplifying the structure.

In order to make the structure more compact, in this embodiment, the elastic clip seat 400 is a second arc-shaped elastic sheet disposed between the adjacent elastic clips 201, and the protrusion 401 is disposed on the outer surface of the second arc-shaped elastic sheet. Thereby saving radial space and enabling more compact space between the components.

In order to facilitate the setting of the cam, the side of the sleeve 301 near the end cap 200 is provided with an expanding section, the gear 500 is an internal gear arranged on the expanding section, and the internal gear, the sleeve 301 and the fixing base 300 are integrally formed. With the above structure, when the end cap 200 is inserted into the shaft sleeve 301 of the fixing base 300, the fitting is completed, and the assembly is simple and rapid. The gear 500 may be continuous or disconnected, and may be set according to the rotation angle.

The fixing manner of the elastic clamping seat 400 and the end cover 200 can adopt a fixing structure such as a screw, so that the elastic clamping seat 400 and the end cover 200 are integrally formed for further simplifying the structure.

In order to ensure stable rotation, the elastic clamping seat 400 is provided with a plurality of elastic clamping seats and is distributed around the center of the central shaft 101 in a central symmetry manner, and in the embodiment, the elastic clamping seat is provided with an upper part and a lower part. The gear 500 is divided into two sections, which are arranged up and down corresponding to the elastic clamping seat 400.

In order to prevent over-rotation, in this embodiment, a limiting protrusion 302 for preventing over-rotation is disposed on a side of the sleeve 301 away from the end cap 200, and the limiting protrusion 302 is in limiting fit with the hook portion of the elastic buckle 201. The limit projection 302 may be manufactured by integral molding.

In order to make the structure more compact, the end cover 200 is provided with a wire through hole 203, and the wire through hole 203 is arranged in the area surrounded by the elastic buckle 201.

The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions or improvements within the spirit of the present invention are intended to be covered by the claims of the present invention.

Claims

1. The utility model provides an angle-adjustable's bar lamp, includes lamp body (100), sets up end cover (200) and fixing base (300) that are connected with end cover (200) at lamp body (100) both ends, lamp body (100) have center pin (101), end cover (200) rotate around center pin (101) relative fixing base (300) and be equipped with between the two and be used for prescribing a limit to rotatory elasticity cassette (400) and gear (500), characterized in that, elasticity cassette (400) one end is fixed on end cover (200) or fixing base (300), and the other end is along the axial extension to the free end of gear (500), be equipped with on elasticity cassette (400) with protruding (401) of gear (500) meshing;

The end cover (200) is provided with a plurality of elastic buckles (201) which are distributed at intervals around the central shaft (101) to form a rotating shaft (202), the elastic clamping seat (400) is a second arc-shaped elastic sheet arranged between the adjacent elastic buckles (201), and the protrusions (401) are arranged on the outer surface of the second arc-shaped elastic sheet.

2. The angle-adjustable bar lamp as claimed in claim 1, wherein the fixing base (300) is provided with a shaft sleeve (301) matched with the rotating shaft (202), and the hook portion of the buckle (201) is in clamping fit with one side of the shaft sleeve (301) away from the end cover (200).

3. The angle-adjustable bar lamp of claim 2, wherein the elastic buckle (201) is a first arc-shaped elastic piece bent around a central axis.

4. An angle adjustable bar lamp according to claim 3, characterized in that the elastic catch (201) is manufactured integrally with the end cap (200).

5. The angle-adjustable bar lamp according to claim 1, wherein the sleeve (301) is provided with an enlarged diameter section on a side thereof adjacent to the end cap (200), and the gear (500) is an internal gear provided on the enlarged diameter section.

6. The angle-adjustable bar lamp as claimed in any one of claims 1 to 5, wherein the elastic clip (400) is integrally formed with the end cap (200).

7. The angle-adjustable bar lamp as claimed in any one of claims 1 to 5, wherein the elastic holder (400) is provided with a plurality of elastic holders and is symmetrically distributed around the center axis (101).

8. The angle-adjustable bar lamp according to any one of claims 2-5, wherein a limiting protrusion (302) for preventing over-rotation is arranged on a side of the shaft sleeve (301) away from the end cover (200), and the limiting protrusion (302) is in limiting fit with the hook portion of the elastic buckle (201).

9. The angle-adjustable bar lamp according to any one of claims 1 to 5, wherein the end cap (200) is provided with a wire through hole (203), and the wire through hole (203) is arranged in an area surrounded by the elastic buckle (201).