CN113543474B

CN113543474B - Lamp end component and corresponding lamp

Info

Publication number: CN113543474B
Application number: CN202110564473.4A
Authority: CN
Inventors: 季丰; 郑兆勇
Original assignee: Ningbo Self Electronics Co Ltd
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2023-04-14
Anticipated expiration: 2041-05-24
Also published as: CN113543474A

Abstract

The invention relates to a lamp end component, namely a corresponding lamp, wherein the lamp end component comprises a base body (3) which is abutted and positioned with a PCB (1) in the lamp and is electrically contacted with the PCB (1) through a conductive part (2); the base body (3) is provided with a jack (31) which can be communicated with an external power supply. The conductive structure is simple, the conductive reliability is high, and the product qualification rate is high.

Description

Lamp end component and corresponding lamp

Technical Field

The invention relates to the technical field of lamps, in particular to a lamp end component and a corresponding lamp.

Background

Lamps play an important role in daily production and life. The conventional automatic strip lamp end assembly generally adopts a pin type structure, as shown in fig. 1, the pin type structure is formed by firstly welding a patch socket a on a PCB of a lamp and then inserting a pin B into the socket a, so as to realize self assembly of the lamp.

The structure has high requirement on installation precision, the fixed welding structure of the socket A on the PCB ensures that the contact pin B is aligned with the socket A when being inserted, otherwise poor connection is easily caused, and the lamp with the pin type structure at two ends is particularly suitable for a lamp, because the contact pin at one end can lead the PCB to deviate to a certain extent in the fixing process, the position of the socket at the other end is changed relative to the contact pin at the preset position, and the change causes more attention to prevent poor connection when the contact pin at the other end is inserted, so that the reject ratio is further increased.

In addition, the existing lamps with other structures adopt many and complicated combinations of parts at the end parts, so that the production efficiency is low and the cost is high.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a lamp end assembly with simple structure, low cost, high assembly efficiency and high product yield.

The invention also aims to provide a corresponding lamp.

In order to achieve the purpose, the technical scheme of the invention is as follows: a lamp tip assembly, comprising: the lamp end component comprises a base body which is assembled and positioned with a PCB in the lamp and electrically contacted with the PCB through a conductive part;

the base body is provided with a jack which can be communicated with an external power supply.

Furthermore, the lamp end part assembly also comprises an end cover fixedly connected with the end part of a lampshade of the lamp;

at least the end part of the seat body is partially sleeved in the end cover and is fixed with the end cover so as to realize the assembly positioning of the seat body and the PCB.

Furthermore, a projection is arranged in the end cover, and a groove for the projection to be embedded into the buckle to fix the seat body is correspondingly arranged on at least the end part of the seat body.

Furthermore, the lamp end component further comprises a sealing ring which is arranged between the end cover and the end face of the end part of the base body and is extruded to deform so as to prevent the base body from being water.

Further, the sealing ring is an O-shaped ring, and the aperture of the O-shaped ring is smaller than that of the jack.

Further, the lamp end assembly further comprises a sheath disposed between the outer surface of the base and the inner wall of the end cap to isolate the light source.

Furthermore, a blocking wall is arranged on the outer surface of the base body, and a blocking strip which is abutted against the blocking wall to limit the sheath to move towards the middle position of the lamp is arranged on the inner wall of the sheath. Furthermore, the sheath is a curved surface positioned on the light-emitting side of the lamp, and the barrier strip is in a circular ring shape so as to be abutted against the barrier wall and simultaneously allow the end part of the seat body to penetrate through to extend into the end cover.

Furthermore, the side face of the barrier strip facing to the middle position of the lamp is also abutted against the end part of the PCB to limit the displacement of the base body.

Furthermore, the end cover comprises an inner sleeve and a curved surface which is formed outside the inner sleeve and is arranged at intervals with the inner sleeve, at least the end part of the seat body is positioned in the inner sleeve, and the convex block is formed on the inner wall of the inner sleeve;

the lampshade is embedded between the curved surface and the inner sleeve, the sheath is positioned between the lampshade and the outer surface of the base body and is embedded between the inner sleeve and the outer surface of the base body in an assembling state.

Further, the base is a DC socket, and the conductive member is a spring.

A light fixture, comprising: the lamp adopts the lamp end component.

Compared with the prior art, the invention has the advantages that: the socket that will be in the past through the welding on the PCB board realizes the electric conduction with the cooperation of contact pin, replaces to fix a position and only realize the pedestal of electricity connection with the PCB board through butt mode and PCB board promptly through conductive part, fine having overcome in the past the contact pin grafting in-process can make the PCB board take place to squint, lead to the problem of grafting badly, simultaneously, the structure has been retrencied to this design, the assembly is firm, fine improvement assembly efficiency and product percent of pass.

Drawings

Fig. 1 is a schematic structural diagram of a pin-type lamp end assembly in the prior art.

Fig. 2 is a schematic view of a lamp structure using the lamp end assembly of the present application.

Fig. 3 is an exploded end view of fig. 2.

Fig. 4 is an end sectional view of fig. 2.

Fig. 5 is an exploded view of fig. 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 2-5, which are schematic views of a lamp structure according to a preferred embodiment of the present invention, it should be noted that the lamp includes not only the lamp end component pre-protected in the present application, but also components such as a PCB board, a lampshade, and a lamp bead, but these components are known to those skilled in the art, and therefore, they are not expanded here, and the detailed description of the lamp end component is mainly expanded below.

As shown in the figure, the lamp end assembly comprises a base body 3 which is assembled and positioned with a PCB board 1 in the lamp and electrically contacted with the PCB board 1 through a conductive part 2, and the base body 3 is provided with a jack 31 which can be communicated with an external power supply. In the present application, the housing 3 is a DC socket, and obviously, the DC socket realizes the connection between the lamp and the external power source through the insertion of the DC plug 900, in other words, the jack 31 is mainly used for the insertion of the DC plug 900.

With continued reference to fig. 2-5, the lamp end assembly includes an end cap 5 fixedly connected to an end of the lamp housing 4 of the lamp, and at least an end portion 34 of the base body 3 is partially sleeved in the end cap 5 and fixed to the end cap 5 to realize the assembling and positioning of the base body 1 and the PCB board 1. The end cover 5 is abutted against the end face of the lampshade 4 through the end face of the end cover 5, and the purpose of preventing the end cover 5 from moving towards the middle position of the lamp is achieved. Meanwhile, in the production design process, the size of the end cover 5 is equivalent to that of the lampshade 4, so that once the end cover 5 is assembled, the end cover 5 cannot fall off easily, and the common technical knowledge known by the technical personnel in the field is adopted, so that the end cover is not unfolded.

In order to fix the socket body 3, a protrusion 51 is provided in the end cap 5, and a groove 32 for the protrusion 51 to be inserted into the buckle to fix the socket body 3 is correspondingly provided on at least a portion of the end portion 34 of the socket body 3, so as to prevent the DC socket from being removed therefrom.

In the use process of the lamp, the inside of the lamp possibly enters steam water due to reasons such as air humidity, or the service environment is special, water is easy to enter, the service life of the lamp is influenced after water enters, and in order to prevent the occurrence of the situation, the lamp end component further comprises a sealing ring 6 which is arranged between the end face of the end cover 5 and the end face of the base body 3 and is extruded and deformed to prevent the base body 3 from being water.

The sealing ring 6 preferably adopts an O-shaped ring, the hole diameter of the O-shaped ring is smaller than that of the jack 31 for better waterproof effect, namely smaller than that of the DC plug, so that the DC plug is firmly wrapped by the O-shaped ring after being inserted into the jack and can play a waterproof effect, and meanwhile, the DC plug also enables the O-shaped ring to deform in the thickness direction, so that the waterproof effect is more reliable.

The lamp end assembly further comprises a sheath 7 disposed between the outer surface of the base 3 and the inner wall of the end cap 5 to insulate the light source. Specifically, the outer surface of the base 3 is provided with a blocking wall 33, and the inner wall of the sheath 7 is provided with a blocking strip 71 which is abutted against the blocking wall 33 to limit the movement of the sheath 7 towards the middle position of the lamp.

In the present embodiment, the sheath 7 is a curved surface located on the light emitting side of the lamp, and the barrier 71 is in a circular ring shape so as to abut against the barrier wall 33 and allow the end 34 of the base 3 to pass through to extend into the end cap 5. In order to further enhance the positioning relationship between the base body 3 and the PCB board 1, the side of the stop bar 71 facing the middle position of the lamp is also abutted against the end of the PCB board 1 to limit the displacement of the base body 1.

Meanwhile, in this embodiment, the end cap 5 includes an inner sleeve 52 and a curved surface 53 formed outside the inner sleeve 52 and spaced from the inner sleeve 52, the end 34 of the base body 3 is located inside the inner sleeve 52, the protrusion 51 is formed on the inner wall of the inner sleeve 52, the globe 4 is embedded between the curved surface 53 and the inner sleeve 52, the sheath 7 is located between the globe 4 and the outer surface of the base body 3, and in an assembled state, the inner sleeve 52 is embedded between the sheath 7 and the outer surface of the base body 3, so that the fixing of the end cap 5 to the DC socket can be reinforced, and the structure is more reliable.

In the structure of the present application, the conductive member 2 is a spring, as shown in fig. 4, it may be made of iron, copper, or other materials, and it is determined according to actual needs.

Meanwhile, in order to ensure the conductivity, the copper sheet can be bent or directly be a sheet, which is selected according to actual needs and will not be described in detail here.

This application will weld the socket on the PCB board in the past and the cooperation structure of contact pin, replace to put through conductive parts and PCB board, and the pedestal through butt mode and PCB board location, the tip structure to lamps and lanterns improves, this structure is to plug-in type structure in the past relatively, the skew influence to the PCB board is very little, it is high to the assembly required precision to have overcome to peg graft in the past, and make the problem that the defective rate increases greatly because of assembling not in place, the structure has been retrencied to this design simultaneously, utilize reed structure contact PCB, the reliability is higher, the assembly is firm, assembly efficiency and product percent of pass have been improved.

While embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lamp tip assembly, comprising: the lamp end part assembly comprises a base body (3) which is assembled and positioned with a PCB (1) in the lamp and electrically contacted with the PCB (1) through a conductive part (2), and an end cover (5) which is fixedly connected with the end part of a lampshade (4) of the lamp;

the end cover (5) comprises an inner sleeve (52) and a curved surface (53) which is formed outside the inner sleeve (52) and is arranged at an interval with the inner sleeve (52), and the lampshade (4) is embedded between the curved surface (53) and the inner sleeve (52);

the base body (3) is provided with a jack (31) which can be communicated with an external power supply, at least one end part (34) of the base body (3) is partially sleeved in the end cover (5) and fixed with the end cover (5) to realize the assembly positioning of the base body (3) and the PCB (1);

the lamp end component also comprises a sheath (7) which is arranged between the outer surface of the base body (3) and the inner wall of the end cover (5) to isolate a light source; a blocking wall (33) is arranged on the outer surface of the base body (3), and a blocking strip (71) which is abutted against the blocking wall (33) to limit the movement of the jacket (7) towards the middle position of the lamp is arranged on the inner wall of the jacket (7); the sheath (7) is a curved surface positioned on the light emitting side of the lamp, and the barrier strip (71) is annular so as to be abutted against the barrier wall (33) and simultaneously allow the end part (34) of the base body (3) to penetrate through to extend into the end cover (5).

2. The lamp tip assembly of claim 1, wherein:

the end cover (5) is internally provided with a convex block (51), and at least the end part (34) of the seat body (3) is correspondingly provided with a groove (32) which can be used for the convex block (51) to be embedded into the buckle to fix the seat body.

3. The lamp tip assembly of claim 1, wherein:

the lamp end component further comprises a sealing ring (6) which is arranged between the end cover (5) and the end face of the end part (34) of the base body (3) and is extruded to deform so as to prevent water for the base body (3).

4. The lamp tip assembly of claim 1, wherein:

the side face of the stop bar (71) facing the middle position of the lamp is also abutted against the end part of the PCB (1) to limit the displacement of the base body (3).

5. The lamp tip assembly of claim 2, wherein:

at least one end part (34) of the seat body (3) is partially positioned in the inner sleeve (52), and the lug (51) is formed on the inner wall of the inner sleeve (52);

the protective sleeve (7) is positioned between the lampshade (4) and the outer surface of the seat body (3), and the inner sleeve (52) is embedded between the protective sleeve (7) and the outer surface of the seat body (3) in an assembling state.

6. The lamp tip assembly of claim 1, wherein:

the base body (3) is a DC socket, and the conductive part (2) is a reed.

7. A light fixture, comprising: the luminaire employs a luminaire end assembly as claimed in any one of claims 1-6.