CN212746075U

CN212746075U - Waterproof strip lamp

Info

Publication number: CN212746075U
Application number: CN202021271566.5U
Authority: CN
Inventors: 刘小云; 徐凯; 董建国
Original assignee: Ningbo Self Electronics Co Ltd
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-19
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a waterproof bar lamp, include: the strip-shaped lamp bracket is provided with a strip-shaped lamp cavity extending along the length direction of the strip-shaped lamp bracket; the strip-shaped circuit board is arranged in the strip-shaped lamp cavity; the light source is arranged on the front surface of the strip-shaped circuit board; the end cover is arranged at the end part of the strip-shaped lamp bracket to encapsulate the strip-shaped lamp cavity and is provided with an inserting hole; the sealing plug is arranged on the inner side of the end cover and used for sealing the strip-shaped lamp cavity, and is provided with a sealing hole which is tightly connected with the plug hole; the socket is electrically connected with the strip-shaped circuit board, and the front end of the socket is tightly abutted against the sealing hole and aligned with the plug hole; the sealing plug and the end cover are pre-fixed; the utility model discloses the sealing plug and the end cover of waterproof usefulness are fixed in advance into whole to can assemble these two parts simultaneously to the lighting fixture, reduce follow-up whole lamp assembly step, more do benefit to and realize automatic assembly.

Description

Waterproof strip lamp

Technical Field

The utility model relates to the field of lighting technology, especially a waterproof bar lamp.

Background

Under the background of energy conservation and environmental protection, the LED lamp is increasingly applied to the fields of household and commercial illumination because of high light emitting efficiency and good light condensing performance.

In the field of commercial lighting, cold chain lighting is a very important component, and cold chain lighting often needs waterproof treatment, sometimes even needs a very high waterproof grade, and generally a sealing plug is arranged between an end cover and an end portion of a lamp body to achieve waterproof, but due to the arrangement of a waterproof structure, the installation of the end cover becomes complicated, automatic manufacturing cannot be achieved, or an operation process is complicated, so that equipment cost is high.

Therefore, in order to solve the above problems, it is important to propose a waterproof strip lamp which is high in waterproof grade and is easy to manufacture by automation.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a waterproof bar lamp to solve above-mentioned technical problem.

A waterproof strip light comprising:

the strip-shaped lamp bracket is provided with a strip-shaped lamp cavity extending along the length direction of the strip-shaped lamp bracket;

the strip-shaped circuit board is arranged in the strip-shaped lamp cavity;

the light source is arranged on the front surface of the strip-shaped circuit board;

the end cover is arranged at the end part of the strip-shaped lamp bracket to encapsulate the strip-shaped lamp cavity and is provided with an inserting hole;

the sealing plug is arranged on the inner side of the end cover and used for sealing the strip-shaped lamp cavity, and is provided with a sealing hole which is tightly connected with the plug hole;

the socket is electrically connected with the strip-shaped circuit board, and the front end of the socket is tightly abutted against the sealing hole and aligned with the plug hole;

the sealing plug is pre-fixed with the end cover.

The pre-fixing means that the end cover is fixedly connected with the sealing plug before being assembled on the strip-shaped lamp holder, the sealing plug is generally made of an elastic material, the fixing mode can be secondary injection molding, and the sealing plug can be fixed by arranging a connecting rod, a mounting hole and the like on the inner side of the end cover.

Preferably, the socket is pre-fixed to an end of the strip circuit board.

Preferably, the inner side of the end cover is provided with a first connecting piece extending towards the strip-shaped lamp holder, and the sealing plug is fixed with the first connecting piece in an interference fit manner.

Preferably, the first connecting piece is an insertion rod extending towards the strip-shaped lamp holder, and the sealing plug is provided with a jack in interference fit with the insertion rod.

Preferably, one side of the sealing plug, which faces the strip-shaped lamp holder, is provided with a second connecting piece fixedly connected with the strip-shaped circuit board.

Preferably, the second connecting piece is a protrusion perpendicular to the plane where the strip-shaped circuit board is located, and a slot hole matched with the protrusion is formed in the strip-shaped circuit board.

Preferably, the strip-shaped lamp cavity is divided into an upper cavity and a lower cavity by the strip-shaped circuit board, and the socket is fixed on the back surface of the strip-shaped circuit board and positioned in the lower cavity.

Preferably, one side of the sealing plug, which faces the strip-shaped lamp holder, is provided with a guide groove matched with the outer contour of the socket, and the tail end of the guide groove is aligned with the sealing hole.

Preferably, the seal hole protrudes outwards towards the outer contour of one side of the end cover to form an extension section, and the extension section is in interference fit with the plug hole.

Preferably, the end cap further comprises:

the inner baffle ring is formed by the protrusion of the outer edge of the plug hole to the sealing plug;

the outer ring that keeps off, by the inboard lateral direction of end cover bar lighting fixture direction extends and with its terminal surface butt and center on the bar lamp chamber, the inboard and the outside of sealing plug of interior ring, outer ring, end cover that keep off form the gluey chamber that is used for filling sealed glue.

Preferably, the outer baffle ring is provided with a rubber hole.

Preferably, the socket is pre-fixed with the end cap.

Preferably, the socket includes:

the fixing seat is fixedly connected with the sealing plug, the front end of the fixing seat is tightly abutted against the sealing hole, and the sealing plug is fixed on the inner side of the end cover;

the jack is arranged in the fixed seat and is aligned with the plug hole;

and the elastic conducting strip extends out of the rear end of the fixed seat and is abutted against the conducting surface on the strip-shaped circuit board.

The technical effects of the utility model:

the utility model discloses a waterproof bar lamp, the sealing plug of waterproof usefulness is fixed into wholly in advance with the end cover to can assemble these two parts simultaneously to the lighting fixture, reduce follow-up whole lamp assembly step, more do benefit to and realize automatic assembly.

Drawings

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

fig. 1 is a schematic structural diagram of a waterproof strip lamp according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of a waterproof strip lamp according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded view of the waterproof strip light of fig. 3 at another angle.

Fig. 5 is a schematic partial cross-sectional view of a waterproof strip light of an embodiment of the invention.

Fig. 6 is an enlarged view of a portion B in fig. 2.

Fig. 7 is an exploded view of a waterproof strip lamp according to another embodiment of the present invention.

Fig. 8 is an enlarged view of a portion C in fig. 7.

Fig. 9 is a schematic diagram of a partial explosion structure of a waterproof strip lamp according to another embodiment of the present invention.

Fig. 10 is a schematic view of the exploded structure of the waterproof strip light of fig. 9 after further deployment.

Fig. 11 is a schematic partial cross-sectional view of the waterproof strip light of fig. 9.

Detailed Description

The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to 6, the waterproof strip lamp of the present embodiment includes a strip lamp holder 100, a strip circuit board 200, a light source 300, an end cap 400, a sealing plug 500, and a socket 600. The strip lamp holder 100 is used for bearing a light source and other parts, is provided with a strip lamp cavity 101 extending along the length direction thereof, and is generally made of aluminum material, the strip lamp cavity 101 arranged on the strip lamp cavity is used for accommodating a circuit board with the light source, the cross section of the strip lamp cavity 101 comprises a light shading area and a light emitting area, the light shading area is packaged by an optical element, the optical element can be a lampshade, a lens and the like, in the embodiment, the optical element is a strip lens 104, the strip lamp cavity 101 is formed on the strip lamp holder 100, here, the strip lamp cavity 101 can be manufactured by integrally forming the optical element except that the strip lamp cavity 101 is formed by splicing the strip lamp holder 100 and the optical element, and then the optical element is installed on the strip lamp holder 100, the structures of the strip lamp holder 100 and the strip lamp cavity 101 are not the key point of the present application, and mainly comprise an annular sealed strip lamp cavity 101, this is the prior art and is not described herein. The strip-shaped circuit board 200 is arranged in the strip-shaped lamp cavity 101, the light source 300 is arranged on the front surface of the strip-shaped circuit board 200, in the embodiment, the strip-shaped circuit board 200 comprises a left circuit board 201 and a right circuit board 202, the middle parts of the left circuit board 201 and the right circuit board 202 are connected through an electric plug connector 203, a certain connecting gap is arranged, and a deformation space can be provided for the strip-shaped circuit board 200.

The end cover 400 is arranged at the end part of the strip-shaped lamp holder 100 for packaging the strip-shaped lamp cavity 101 and is provided with a plug hole 401, the end cover 400 is used for packaging the end part of the strip-shaped lamp cavity 101, the plug hole 401 is arranged for supplying power by an external power supply, the strip-shaped lamp holder 100 is provided with two end parts, therefore, the end cover is also provided with two end covers, when the two end covers 400 can be externally connected with plugs, the plug hole 401 needs to be arranged, one end can be completely sealed, and only one end is externally connected with the power.

The sealing plug 500 is arranged on the inner side of the end cover 400 and used for sealing the strip-shaped lamp cavity 101, and a sealing hole 501 which is tightly connected with the plug hole 401 is arranged; the socket 600 is electrically connected to the strip circuit board 200, the front end of the socket abuts against the sealing hole 501 and aligns with the plug hole 401, and the sealing plug 500 is pre-fixed to the end cap 400. The pre-fixing means that the end cap 400 is fixedly connected to the sealing plug 500 before being assembled to the strip-shaped lamp holder 100, the sealing plug 500 is generally made of an elastic material, such as rubber, silica gel, and the like, and the fixing mode may be a secondary injection molding mode, or a connecting rod, a mounting hole, and the like may be arranged on the inner side of the end cap to fix the sealing plug.

The socket 600 is used for an external power plug, and the specific form and shape can be selected according to the requirement, in this embodiment, the socket 600 is a DC socket. The socket 600 needs to be electrically connected to the end of the bar circuit board 200, and in order to avoid the need for re-soldering during assembly, in this embodiment, the socket 600 is pre-fixed to the end of the bar circuit board 200. That is, the socket 600 and the bar circuit board 200 are manufactured as one part to facilitate the subsequent assembly.

The method for pre-fixing the sealing plug 500 is various, in this embodiment, the inner side of the end cover 400 is provided with a first connector 402 extending towards the strip-shaped lamp holder 100, and the sealing plug 500 is fixed by interference fit with the first connector 402.

The specific structure of the first connecting member 402 can be selected from a plurality of protrusions, grooves, etc., in this embodiment, in order to fit in place, the first connecting member 402 is a rod extending toward the strip lamp holder 100, and the sealing plug 500 is provided with a plug hole 502 that is in interference fit with the rod. Further, there are two first connectors 402, and correspondingly, there are two insertion holes 502.

For convenience of manufacture, in this embodiment, a second connecting member 503 fixedly connected to the strip circuit board 200 is disposed on a side of the sealing plug 500 facing the strip lamp holder 100.

In this embodiment, the second connecting member 503 is a protrusion perpendicular to the plane of the strip-shaped circuit board 200, and the strip-shaped circuit board 200 is provided with a slot 201 matching with the protrusion. When assembling, when the end cover 400 is assembled to the end of the strip lamp holder 100 along the length direction, the protrusion deforms and then is clamped into the slot hole 201 to realize the assembly and fixation of the end cover 400. It can be seen that the present embodiment avoids the use of fasteners such as screws, further reducing the complexity of assembly.

The socket 600 may be disposed on the front side or the back side of the strip-shaped circuit board 200, in this embodiment, the strip-shaped circuit board 200 divides the strip-shaped lamp cavity 101 into an upper cavity 102 and a lower cavity 103, and the socket 600 is fixed on the back side of the strip-shaped circuit board 200 and is located in the lower cavity 103.

The side of the sealing plug 500 facing the strip lamp holder 100 is provided with a guide groove 504 matching with the outer contour of the socket 600, and the end of the guide groove 504 is aligned with the sealing hole 501. The provision of the guide groove 504 can improve the reliability of the assembly.

The outer contour of the sealing hole 501 facing one side of the end cap 400 protrudes outwards to form an extension section 505, and the extension section 505 is in interference fit with the plug hole 401. The plug aperture 401 may be better sealed.

To further enhance the sealing effect, the end cap 400 further includes: an inner retainer ring 403 and an outer retainer ring 404. The inner retaining ring 403 is formed by the protrusion of the outer edge of the insertion hole 401 towards the sealing plug 500; the outer retaining ring 404 extends from the inner side of the end cover 400 to the direction of the strip-shaped lamp holder 100, abuts against the end face of the strip-shaped lamp holder and surrounds the strip-shaped lamp cavity 101, the inner retaining ring 403, the outer retaining ring 404, the inner side of the end cover 400 and the outer side of the sealing plug 500 form a glue cavity 700 for filling a sealant, and the outer retaining ring 404 is provided with a glue hole 405. After glue injection, on one hand, the sealing effect can be improved, and on the other hand, the connection strength of the end cover 400 can be improved.

In another embodiment, the sealing plug 500 "is pre-secured to the end cap 400" by two shot molding, as shown in fig. 7 and 8. The second connecting member 503 may also be additionally provided with a component, wherein a rubber blocking plate 503 is arranged between the sealing plug 500 "and the strip-shaped circuit board 200", the rubber blocking plate 503 "is pre-fixed with the end cap 400", a hook portion 504 is arranged on the other side of the rubber blocking plate 503 ", and the hook portion 503" is matched with the hanging hole 204 "at the end of the strip-shaped circuit board 200" to realize connection. This solution requires the use of screws 802 to securely mount the end cap 400 "to the strip light fixture 100".

In another embodiment, shown in FIGS. 9-11, the receptacle 600 'is pre-secured to the end cap 400'. The fixing seat 601 ' is fixedly connected with the sealing plug 500 ', the front end of the fixing seat is tightly propped against the sealing hole 501 ', and the sealing plug 500 ' is fixed on the inner side of the end cover 400 '; the plug hole 602 ' is arranged in the fixed seat 601 ' and is aligned with the plug hole 401 '; an elastic conductive sheet 603 'extends from the rear end of the fixing base 601' and abuts against the conductive surface 202 'on the strip circuit board 200'. The sealing plug 500 ' may be in a separate form, and includes an outer sealing plug 502 ' aligned with the insertion hole 401 ' and an inner sealing plug 502 ' fixed to the fixing seat 601 '.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. A waterproof strip light comprising:

the strip-shaped lamp bracket (100) is provided with a strip-shaped lamp cavity (101) extending along the length direction of the strip-shaped lamp bracket;

the bar-shaped circuit board (200) is arranged in the bar-shaped lamp cavity (101);

a light source (300) disposed on a front surface of the bar-shaped circuit board (200);

the end cover (400) is arranged at the end part of the strip-shaped lamp holder (100) to encapsulate the strip-shaped lamp cavity (101) and is provided with an inserting hole (401);

the sealing plug (500) is arranged on the inner side of the end cover (400) and used for sealing the strip-shaped lamp cavity (101), and is provided with a sealing hole (501) which is tightly communicated with the plug hole (401);

the socket (600) is electrically connected with the strip-shaped circuit board (200), and the front end of the socket is tightly abutted against the sealing hole (501) and aligned with the plug hole (401);

characterized in that the sealing plug (500) is pre-fixed with the end cap (400).

2. A waterproof strip lamp as claimed in claim 1, wherein said socket (600) is pre-fixed at an end of said strip circuit board (200).

3. A waterproof strip lamp as claimed in claim 2, wherein the end cap (400) is provided with a first connector (402) extending toward the strip lamp holder (100) inside, and the sealing plug (500) is fixed by interference fit with the first connector (402).

4. A waterproof strip lamp as claimed in claim 3, wherein said first connector (402) is a plunger extending in the direction of said strip lamp holder (100), and said sealing plug (500) is provided with a socket (502) which is interference-fitted with the plunger.

5. Waterproof strip light as claimed in any of claims 1 to 4, wherein the side of the sealing plug (500) facing the strip light holder (100) is provided with a second connector (503) fixedly connected to the strip circuit board (200).

6. A waterproof strip lamp according to claim 5, wherein said second connecting member (503) is a projection perpendicular to the plane of said strip circuit board (200), and said strip circuit board (200) is provided with a slot hole (201) to be fitted with the projection.

7. A waterproof strip lamp as claimed in any one of claims 1 to 4, wherein said strip circuit board (200) divides said strip lamp cavity (101) into an upper cavity (102) and a lower cavity (103), said socket (600) being fixed to the back of said strip circuit board (200) in said lower cavity (103).

8. Waterproof strip light according to claim 7, characterized in that the side of the sealing plug (500) facing the strip light holder (100) is provided with a guide groove (504) matching the outer contour of the socket (600), the end of the guide groove (504) being aligned with the sealing hole (501).

9. A waterproof strip lamp as claimed in claim 1, wherein the sealing hole (501) protrudes outward toward the outer contour of one side of the end cap (400) to form an extension section (505), and the extension section (505) is in interference fit with the plug hole (401).

10. A waterproof strip light as claimed in any one of claims 1 to 4, wherein said end cap (400) further comprises:

the inner retaining ring (403) is formed by protruding the outer edge of the plug hole (401) to the sealing plug (500);

outer fender ring (404), by inboard in end cover (400) bar lighting fixture (100) direction extend and with its terminal surface butt and center on bar lamp chamber (101), the inboard and the outside of sealing plug (500) of interior fender ring (403), outer fender ring (404), end cover (400) form and are used for filling gluey chamber (700) of sealed glue.

11. A waterproof strip light as claimed in claim 10, wherein said outer retainer (404) is provided with glue holes (405).

12. A waterproof strip light as claimed in claim 1, wherein said socket (600 ') is pre-fixed with said end cap (400').

13. A waterproof strip light as claimed in claim 12, wherein said socket (600') comprises: the fixing seat (601 ') is fixedly connected with the sealing plug (500 '), the front end of the fixing seat is tightly abutted against the sealing hole (501 '), and the sealing plug (500 ') is fixed on the inner side of the end cover (400 ');

a plug hole (602 ') arranged in the fixed seat (601 ') and aligned with the plug hole (401 ');

and the elastic conducting strip (603 ') extends out of the rear end of the fixed seat (601') and is abutted with the conducting surface (202 ') on the strip-shaped circuit board (200').