CN215722831U

CN215722831U - Rotatable down lamp

Info

Publication number: CN215722831U
Application number: CN202121913935.0U
Authority: CN
Inventors: 彭述奎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-01
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a rotatable down lamp, which comprises a rear cover, a plastic part, a surface cover and a lamp main body, wherein the rear cover is arranged on the lamp main body; the rear cover is provided with an accommodating cavity, and the face cover is arranged at an opening at the front end of the accommodating cavity; the lamp comprises a lamp body, a plastic part and a lamp cover, wherein the plastic part is provided with a ring body and an elastic arm connected to the rear side of the ring body, the lamp body is rotatably arranged in an accommodating cavity, the plastic part is positioned between the rear cover and the lamp body, the elastic arm acts on the rear cover, and the ring body is abutted against the lamp body; moreover, the plastic part is ingenious with the equipment location of back lid, utilizes the cooperation of activity locating hole, activity reference column, ensures that the plastic part is back and forth the activity often, can play the guide positioning effect well, avoids the skew, is favorable to the butt reliability of lamp main part and circle body.

Description

Rotatable down lamp

Technical Field

The utility model relates to the technical field of illumination, in particular to a rotatable down lamp.

Background

The down lamp is also commonly called as a tube spotlight and is an embedded lighting lamp, and can rotate at a certain angle after being installed, so that the irradiation angle of light can be adjusted according to needs. The rotary mode of down lamp among the prior art is to install the lamp cup in the fixed bolster with the mode of pin joint, though can realize rotating at certain angle within range, but whole structure forming process is more complicated, and the volume of whole down lamp is great, leads to down lamp installation cost, maintenance cost and manufacturing cost all higher, and simultaneously, the connection of this type of down lamp is not firm.

Afterwards, a novel down lamp appeared, which adopts a pin joint-free mode, and realizes multi-angle rotation by matching the spherical convex surface of the lamp cup with the spherical concave surface of the shell. Generally, the down lamp is including lamp plate, anti-light cup, lamp body and protecgulum and hou gai, the lamp plate is fixed at anti-light cup bottom and is installed in the lamp body together, the lamp body is installed on the protecgulum, back lid is connected top-down with the protecgulum and is pressed the lamp body and support on the protecgulum, in order to realize rotating, an upper cover is connected to the top of lamp body, it is rotatory to drive the relative back lid of upper cover when the lamp body rotates, set up the elastic component between lamp body and the upper cover among the prior art, make the upper cover have the elasticity function of floating, like this, can keep the elastic contact location when the relative back lid of upper cover rotates.

Compared with a pivoting rotation mode, the pivoting-free rotation mode is simpler in structure, larger in rotation angle range and more progressive in implementation. However, it is necessary to satisfy the requirement that the upper cover and the lamp body are connected by the spring, and the shape of the upper cover and at least the upper surface of the lamp body are designed in a profile shape, that is: the design of the surface of the spherical cap is troublesome in production, manufacture and assembly, and the production cost is still high; in addition, after the spring is used for a period of time, if the spring is fatigued, the shell, the upper cover, the spring and the like need to be disassembled for replacing the spring, which wastes time and labor.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a rotatable down lamp, which effectively solves the problems of the prior art that the complex assembly process of the connection between the upper cover and the lamp body through the spring and the time and labor are wasted when the spring is replaced and the housing, the upper cover, the spring, etc. are disassembled.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a rotatable down lamp comprises a rear cover, a plastic part, a surface cover and a lamp main body; the rear cover is provided with an accommodating cavity, and the face cover is arranged at an opening at the front end of the accommodating cavity; the plastic part is provided with a ring body and an elastic arm connected to the rear side of the ring body, the lamp main body is rotatably arranged in the accommodating cavity, the plastic part is located between the rear cover and the lamp main body, the elastic arm acts on the rear cover, and the ring body is abutted against the lamp main body.

Preferably, the inner annular surface of the ring body is in a horn shape with a large front and a small back, the inner annular surface of the ring body is provided with a first inclined surface, and the first inclined surface is a conical inclined surface with a large front and a small back.

As a preferable scheme, the elastic arm comprises a fixed part and an arm body; the fixing part is integrally connected to the outer side of the ring body, a movable positioning hole is formed in the fixing part, the front end of the arm body is integrally connected to the fixing part, a movable positioning column is arranged on the inner wall surface of the rear cover in a protruding mode, and the movable positioning column extends into the movable positioning hole; the rear end of the arm body is abutted against the rear cover.

Preferably, the rear end of the arm body is a free end, and a contact protrusion is provided at the rear end of the arm body in a protruding manner, and the contact protrusion abuts against an inner wall surface of the rear cover.

Preferably, the arm body is arranged at the rear side of the ring body; the arm bodies are arc-shaped and are arranged at intervals along the periphery of the ring body.

Preferably, the rear end of the rear cover is provided with a wire connection port, the inside of the rear cover is provided with a flanging part arranged around the wire connection port, the rear end of the ring body is integrally extended backwards to form an extension part, and the extension part is sleeved on the periphery of the flanging part.

Preferably, the flanging part and the extending part are both annular.

Preferably, the inner annular surface of the surface cover is in a horn shape with a small front and a large rear, and the inner annular surface of the surface cover is provided with a second inclined surface which is a conical inclined surface with a small front and a large rear.

As a preferred scheme, a spring is sleeved on the movable positioning column, and two ends of the spring are respectively arranged on the rear cover and the plastic part.

Preferably, the elastic arms are uniformly distributed along the circumference of the ring body at intervals.

Compared with the prior art, the lamp has the obvious advantages and beneficial effects, and particularly, according to the technical scheme, the ring body is always kept in good and stable contact with the lamp body through the matching of the plastic part and the lamp body and the arrangement of the elastic arms of the plastic part, the lamp body can be rotated at any angle, and the angle is kept ideal; the lamp has the advantages that the complex assembly process that the upper cover and the lamp body are connected through the spring in the prior art is omitted, the angle rotation can be kept through the elastic floating butt of the lamp main body and the plastic part, the structural design is simple, ingenious and reasonable, the production, the manufacture and the assembly are easy, the production process is simple, and the production cost is lower;

secondly, the plastic part is convenient to replace, and the problems that time and labor are wasted when a shell, an upper cover, a spring and the like are required to be disassembled for replacing the spring in the traditional technology are solved;

moreover, the plastic part and the rear cover are skillfully assembled and positioned, and the cooperation of the movable positioning hole and the movable positioning column ensures that the plastic part can play a good role in guiding and positioning when moving back and forth, so that the offset is avoided, and the abutting reliability of the lamp main body and the ring body is facilitated; meanwhile, the extension part of the plastic part is matched with the flanging part of the rear cover, so that the plastic part is favorably mounted and positioned in the rear cover, and the accuracy of the front and rear floating positions of the plastic part can be improved without deviation when the plastic part works in a floating mode;

and through the arrangement of the first inclined plane and the second inclined plane, the rotation smoothness is good, and the part forming and manufacturing are simpler.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is another perspective view of the first embodiment of the present invention;

FIG. 3 is a cross-sectional view of a first embodiment of the present invention;

FIG. 4 is a partial cross-sectional view of a first embodiment of the present invention;

FIG. 5 is an exploded view of the first embodiment of the present invention;

FIG. 6 is another exploded view of the first embodiment of the present invention;

FIG. 7 is a structural view of a rear cover according to the first embodiment of the present invention;

FIG. 8 is a structural view of a plastic part according to a first embodiment of the present invention;

FIG. 9 is a front view of a plastic part according to a first embodiment of the present invention;

FIG. 10 is an enlarged partial view of the first embodiment of the present invention;

FIG. 11 is another enlarged partial view of the first embodiment of the present invention;

FIG. 12 is a cross-sectional view of a second embodiment of the present invention;

fig. 13 is an exploded view of a second embodiment of the present invention.

The attached drawings indicate the following:

10. rear cover 11 and accommodating cavity

12. Movable positioning column 13 and wiring port

14. Flanging part 15 and spring

20. Plastic part 21, ring body

22. Elastic arm 201, first inclined plane

202. Fixing part 203, arm body

2021. Movable positioning hole 2031 and contact protrusion

30. Face cover 31, second inclined plane

32. Connecting plate 34, spring clamp

40. Lamp body 41 and lamp cup

43. A light cup 44 and a heat sink.

Detailed Description

Referring to fig. 1 to 13, specific structures of various embodiments of the present invention are shown.

Referring to fig. 1 to 11, which show the detailed structure of the first embodiment, a rotatable down lamp includes a rear cover 10, a plastic member 20, a surface cover 30, and a lamp body 40 installed between the surface cover and the rear cover; the rear cover 10 is provided with an accommodating cavity 11, and the face cover 10 is arranged at the front end opening of the accommodating cavity 11; the plastic part 20 has a ring body 21 and an elastic arm 22 connected to the rear side of the ring body 21, the ring body 21 abuts against the lamp body 40, and the elastic arm 22 acts on the rear cover 10, so that the ring body 21 always keeps good stable contact with the lamp body 40 by the arrangement of the elastic arm 22 of the plastic part 20, the lamp body can be rotated at any angle, and the angle is kept ideal.

The inner annular surface of the ring body 21 is in a trumpet shape with a large front and a small back, preferably, the inner annular surface of the ring body 21 is provided with a first inclined surface 201 for abutting against the lamp main body 40, and the first inclined surface 201 is a conical inclined surface with a large front and a small back. The elastic arms 22 are provided with a plurality of elastic arms 22 arranged along the periphery of the ring body 21 at intervals, as shown in fig. 8 and 9, four elastic arms 22 are arranged (other number of elastic arms can be arranged), here, the elastic arms 22 include a fixing portion 202 and an arm body 203, the fixing portion 202 is integrally connected to the outer side of the ring body 21, a movable positioning hole 2021 is provided on the fixing portion 202, the front end of the arm body 203 is integrally connected to the fixing portion 202, the rear end of the arm body 203 is a free end, preferably, the arm body 203 extends from front to back, and the arm body 203 is in an arc shape, the arm body 203 is located outside the rear orthographic projection area of the ring body 21, so that the elastic arms 22 and the ring body 21 do not interfere. A contact protrusion 2031 is provided at the rear end of the arm 203, and the contact protrusion 2031 abuts on the inner wall surface of the rear cover 10. A movable positioning column 12 is convexly arranged on the inner wall surface (specifically, the inner rear side surface) of the rear cover 10, and the movable positioning column 12 extends into the corresponding movable positioning hole 2021, so that when the plastic part 20 moves back and forth, a good guiding and positioning effect can be achieved, the deviation is avoided, and the abutting reliability of the lamp main body 40 and the ring body 21 is facilitated.

The rear end of the rear cover 10 is provided with a wire connection port 13, the inside of the rear cover 10 is provided with a flanging part 14 surrounding the wire connection port 13, and correspondingly, the rear end of the ring body 21 is integrally extended backwards to form an extension part which is sleeved on the periphery of the flanging part 14. Typically, the cuff 14, the extension, are both annular. The cooperation of extension and turn-ups portion 14 on the one hand is favorable to the installation location of plastic part 20 in back lid 10, and on the other hand, plastic part 20 is at the unsteady during operation, can improve the plastic part around the position accuracy that floats, can not squint.

The inner annular surface of the surface cover 30 is in a trumpet shape with a small front and a large rear, and preferably, the inner annular surface of the surface cover 30 is provided with a second inclined surface 31 for matching with the lamp body, and the second inclined surface 31 is a conical inclined surface with a small front and a large rear. Through the cooperation of second inclined plane 31 and lamp body 40, reduce the friction more than the concave sphere of traditional face lid 30, it is good to rotate smooth and easy nature, and the face lid preparation is simpler.

Generally, the lamp body 40 includes a lamp cup 41 and a lamp body installed in the lamp cup 41, wherein:

the utility model discloses a lamp, including lamp plate and anti-light cup 43 in the lamp body, the lamp plate is fixed in the bottom of anti-light cup 43, the position that anti-light cup 43 corresponds lamp plate middle part light emitting source is equipped with the through-hole, the front end of lamp body is equipped with the opening that supplies lamp plate and anti-light cup light to see through, lamp cup 41 formula structure as an organic whole or components of a whole that can function independently are several parts assembly and form, in the first embodiment, the lamp cup is the components of a whole that can function independently structure, and it is including cup rim, radiating seat 44 and solidus seat, radiating seat 44 assembles on the cup rim, solidus seat assembles in radiating seat 44.

Lamp body 40 is whole to be greater than the spheroid of hemisphere, after face lid 30 and back lid 10 weiqi, lamp body 40 can rotate wantonly but can not fall out, and its size design and assembly relation all belong to down lamp maturation technology, no longer give consideration to here.

And, the vertical extension in both sides of face lid 30 is provided with two connecting plates 32, the connecting plate 32 top is provided with fretwork portion, spring clamp 34 that is used for the hook down lamp is installed to fretwork portion, the outside cover of spring clamp 34 is equipped with the sheath, spring clamp 34 is used for the down lamp to inlay the wall installation fixed usefulness.

The rear cover 10 is provided with an elastic buckle connected with the face cover 30, the face cover 30 is provided with a buckle seat matched with the elastic buckle, and the elastic buckle is buckled with the buckle seat to connect the rear cover 10 and the face cover 30 together.

Referring to fig. 12 to 13, a specific structure of a second embodiment of the present invention is shown, which is basically the same as the specific structure of the first embodiment, and mainly different therefrom:

the cover is equipped with spring 15 on the activity reference column, lid 10, plastic part 20 after the both ends of spring 15 act on respectively, with the help of spring 15, can improve plastic part 20's whole elastic effect for butt power between plastic part 20 and the lamp main part 40 is bigger more steady, is favorable to prolonging down lamp life.

The design of the utility model is characterized in that the ring body always keeps good and stable contact with the lamp body by matching the plastic part with the lamp body and utilizing the arrangement of the elastic arms of the plastic part, the lamp body can be rotated at any angle, and the angle is kept ideal; the lamp has the advantages that the complex assembly process that the upper cover and the lamp body are connected through the spring in the prior art is omitted, the angle rotation can be kept through the elastic floating butt of the lamp main body and the plastic part, the structural design is simple, ingenious and reasonable, the production, the manufacture and the assembly are easy, the production process is simple, and the production cost is lower;

Claims

1. A rotatable formula down lamp, its characterized in that: comprises a rear cover, a plastic part, a surface cover and a lamp body; the rear cover is provided with an accommodating cavity, and the face cover is arranged at an opening at the front end of the accommodating cavity; the plastic part is provided with a ring body and an elastic arm connected to the rear side of the ring body, the lamp main body is rotatably arranged in the accommodating cavity, the plastic part is located between the rear cover and the lamp main body, the elastic arm acts on the rear cover, and the ring body is abutted against the lamp main body.

2. A rotatable downlight according to claim 1, wherein: the ring is characterized in that the inner ring surface of the ring body is in a horn shape with a large front part and a small back part, a first inclined surface is arranged on the inner ring surface of the ring body, and the first inclined surface is a conical inclined surface with a large front part and a small back part.

3. A rotatable downlight according to claim 1, wherein: the elastic arm comprises a fixed part and an arm body; the fixing part is integrally connected to the outer side of the ring body, a movable positioning hole is formed in the fixing part, the front end of the arm body is integrally connected to the fixing part, a movable positioning column is arranged on the inner wall surface of the rear cover in a protruding mode, and the movable positioning column extends into the movable positioning hole; the rear end of the arm body is abutted against the rear cover.

4. A rotatable downlight according to claim 3, wherein: the rear end of the arm body is a free end, the rear end of the arm body is convexly provided with a contact convex part, and the contact convex part is abutted against the inner wall surface of the rear cover.

5. A rotatable downlight according to claim 4, wherein: the arm body is arranged on the rear side of the ring body; the arm bodies are arc-shaped and are arranged at intervals along the periphery of the ring body.

6. A rotatable downlight according to claim 1, wherein: the rear end of the rear cover is provided with a wiring port, the inside of the rear cover is provided with a flanging part arranged around the wiring port, the rear end of the ring body integrally extends backwards to form an extending part, and the extending part is sleeved on the periphery of the flanging part.

7. A rotatable downlight according to claim 6, wherein: the flanging part and the extending part are both annular.

8. A rotatable downlight according to claim 1, wherein: the inner ring surface of the face cover is in a horn shape with a small front part and a large rear part, and the inner ring surface of the face cover is provided with a second inclined surface which is a conical inclined surface with a small front part and a large rear part.

9. A rotatable downlight according to claim 3, wherein: the movable positioning column is sleeved with a spring, and two ends of the spring are respectively arranged on the rear cover and the plastic part.

10. A rotatable downlight according to claim 1, wherein: a plurality of elastic arms are uniformly distributed along the periphery of the ring body at intervals.