CN219995222U - Combined lamp tube end - Google Patents

Abstract

The utility model discloses a combined lamp tube end, which comprises a cylinder shell and an end shell inserted and clamped in the cylinder shell; the end face of the end head shell is provided with a contact pin hole site for fixing a conductive contact pin; the side wall of the end head shell far away from the end face is provided with a clearance groove, the symmetrical side wall of the clearance groove is provided with a C-shaped card inserting convex strip for inserting and positioning the driving circuit board, and the symmetrical edge of the driving circuit board is inserted and clamped in a concave area of the C-shaped card inserting convex strip for positioning; the inner wall of the cylinder shell is integrally formed with a limiting bulge, the end part of the end shell is inserted into the cylinder shell and is abutted to the limiting bulge for limiting, and the end shell is fixed with the cylinder shell through a screw. The utility model has reasonable structural arrangement, comprises the cylinder shell matched with the end shell, and has the C-shaped card inserting convex strip on the end shell, so that card inserting positioning of the driving circuit board can be realized quickly, the disassembly and assembly of the driving circuit board are convenient, the maintenance and replacement efficiency of the driving circuit board is improved, and the applicability is strong and the practicability is good.

Description

Combined lamp tube end

Technical Field

The utility model belongs to the technical field of lamp tube ends, and particularly relates to a combined lamp tube end.

Background

The lamp tube ends are arranged at the two ends of the lamp tube, for example, the Chinese patent publication number is: CN204345366U, patent name: the utility model provides an adjustable light-emitting direction's LED fluorescent tube, includes mutually supporting fluorescent tube body and fluorescent tube end, and wherein, fluorescent tube end and fluorescent tube body pass through rotary positioning subassembly and can rotate relatively in order to adjust the light-emitting direction, when needing to adjust the light-emitting direction, can reach the purpose that changes the light-emitting component light-emitting direction through rotating the fluorescent tube body. The lamp tube end in the prior art is an integral body and is mainly of a cylindrical structure, a driving circuit board needs to be installed on the lamp tube end, the driving circuit board is not convenient to disassemble and assemble from the cylindrical structure, and is not beneficial to positioning, and when the lamp tube end is locally damaged, the whole lamp tube end needs to be replaced, so that the maintenance and use cost is greatly increased, and the applicability and the practicability are limited.

Disclosure of Invention

The utility model aims to provide a combined lamp tube end which is reasonable in structural arrangement and is favorable for disassembly and assembly.

The technical scheme for realizing the aim of the utility model is that the combined lamp tube end comprises a cylinder shell and an end shell inserted and clamped in the cylinder shell;

the end face of the end socket shell is provided with a contact pin hole site for fixing a conductive contact pin;

a clearance groove is formed in the side wall, far away from the end face, of the end head shell, a C-shaped inserting card convex strip for inserting and positioning a driving circuit board is arranged on the symmetrical side wall of the clearance groove, and the symmetrical edge of the driving circuit board is inserted and clamped in a concave area of the C-shaped inserting card convex strip for positioning;

the inner wall of the cylinder shell is integrally formed with a limiting protrusion, the end part of the end shell is inserted into the cylinder shell and abuts against the limiting protrusion to limit, and the end shell and the cylinder shell are fixed through screws.

Further preferred are: the limiting bulge comprises a semicircular bulge, a vertical bulge at the end part of the semicircular bulge and a convex plate at the bottom end of the vertical bulge;

the end shell is inserted into the cylinder shell, the top surface of the end shell is abutted to the bottom surface of the semicircular bulge, the side edge of the position avoidance groove is abutted to the side surface of the vertical bulge, and the bottom edge of the position avoidance groove is abutted to the bottom surface of the convex plate.

Further preferred are: the convex plate is provided with a mounting screw hole, and the inner wall of the bottom edge of the avoidance groove is integrally formed with a mounting support lug with a screw hole;

the screw penetrates through the installation screw hole and the threaded hole to be fixed.

Further preferred are: the cylinder shell and the end shell are both insulating plastic structures.

Further preferred are: the outer diameter of the end head shell is the same as the inner diameter of the cylinder shell.

The utility model has the positive effects that: the utility model has reasonable structural arrangement, comprises a cylinder shell matched with the end shell, and C-shaped card inserting convex strips for inserting the card driving circuit board are arranged on the symmetrical side walls of the clearance grooves on the end shell, thereby being capable of rapidly realizing card inserting positioning of the driving circuit board, being convenient for dismounting and combination of the driving circuit board, being beneficial to reducing maintenance cost, improving maintenance and replacement efficiency of the driving circuit board, having strong applicability and good practicability.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a cylinder housing according to the present utility model;

FIG. 3 is a schematic view of a specific structure of the tip housing according to the present utility model;

fig. 4 is another view angle structure diagram of fig. 3.

Reference numerals: the device comprises a cylinder shell 1, a terminal shell 2, pin hole positions 3, a clearance groove 4, C-shaped inserting and clamping convex strips 5, limiting protrusions 6, semicircular protrusions 61, vertical protrusions 62, protruding plates 63, mounting screw holes 7 and mounting lugs 8.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, a combined lamp tube end comprises a cylinder housing 1 and an end housing 2 inserted and clamped in the cylinder housing; in this embodiment, the cylinder housing and the end housing are both insulating plastic structures. And the outer diameter of the tip housing is the same as the inner diameter of the cylinder housing. When installed, the tip housing may be assembled with the card within the barrel housing as a unit.

A pin hole position 3 for fixing the conductive pin is arranged on the end face of the end head shell; the socket is used for inserting the conductive pins and conducting connection with the lamp holder. In the practical application process, a clearance groove 4 is formed in the side wall, far away from the end face, of the end head shell, a C-shaped inserting card convex strip 5 for inserting and positioning a driving circuit board is arranged on the symmetrical side wall of the clearance groove, and the symmetrical edge of the driving circuit board is inserted and clamped in a concave area of the C-shaped inserting card convex strip for positioning; by adopting the structure, the driving circuit board can be detached from the end head shell, the driving circuit board is connected by adopting the plug terminal for improving the convenience of disassembly and assembly, and meanwhile, the driving circuit board is also connected by adopting the plug type conductive pin, so that the structure of the prior art is shown in the figure.

In the practical application process, in order to improve the grafting degree of depth stability of end casing, its integrated into one piece has spacing protruding 6 on the inner wall of drum casing, the tip of end casing inserts in the drum casing and the butt is in spacing on the spacing protruding, and end casing passes through the screw with the drum casing and fix. In the practical application process, the limiting protrusion 6 comprises a semicircular protrusion 61, a vertical protrusion 62 at the end of the semicircular protrusion and a protruding plate 63 at the bottom end of the vertical protrusion; the end shell is inserted into the cylinder shell, the top surface of the end shell is abutted to the bottom surface of the semicircular bulge, the side edge of the position avoidance groove is abutted to the side surface of the vertical bulge, and the bottom edge of the position avoidance groove is abutted to the bottom surface of the convex plate. Not only the connection stability and reliability of the cylinder housing 1 and the tip housing 2 can be ensured, but also loosening or displacement can be prevented.

The convex plate is provided with a mounting screw hole 7, and a mounting support lug 8 with a screw hole is integrally formed on the inner wall of the bottom edge of the avoidance groove; the screw penetrates through the installation screw hole and the threaded hole to be fixed. By adopting the structure, the cylinder shell 1 and the end shell 2 can be ensured to be installed stably and reliably, looseness or displacement is prevented, and the disassembly, assembly and maintenance are also convenient.

The utility model has reasonable structural arrangement, comprises a cylinder shell matched with the end shell, and C-shaped card inserting convex strips for inserting the card driving circuit board are arranged on the symmetrical side walls of the clearance grooves on the end shell, thereby being capable of rapidly realizing card inserting positioning of the driving circuit board, being convenient for dismounting and combination of the driving circuit board, being beneficial to reducing maintenance cost, improving maintenance and replacement efficiency of the driving circuit board, having strong applicability and good practicability.

The standard components used in this embodiment may be purchased directly from the market, but the nonstandard structural components described in the specification may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that no specific description will be made here.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.

Claims (5)

1. A modular lamp tube end, characterized in that: comprises a cylinder shell and an end shell inserted and clamped in the cylinder shell;

the end face of the end socket shell is provided with a contact pin hole site for fixing a conductive contact pin;

a clearance groove is formed in the side wall, far away from the end face, of the end head shell, a C-shaped inserting card convex strip for inserting and positioning a driving circuit board is arranged on the symmetrical side wall of the clearance groove, and the symmetrical edge of the driving circuit board is inserted and clamped in a concave area of the C-shaped inserting card convex strip for positioning;

the inner wall of the cylinder shell is integrally formed with a limiting protrusion, the end part of the end shell is inserted into the cylinder shell and abuts against the limiting protrusion to limit, and the end shell and the cylinder shell are fixed through screws.

2. A modular tube end as set forth in claim 1 wherein: the limiting bulge comprises a semicircular bulge, a vertical bulge at the end part of the semicircular bulge and a convex plate at the bottom end of the vertical bulge;

the end shell is inserted into the cylinder shell, the top surface of the end shell is abutted to the bottom surface of the semicircular bulge, the side edge of the position avoidance groove is abutted to the side surface of the vertical bulge, and the bottom edge of the position avoidance groove is abutted to the bottom surface of the convex plate.

3. A modular tube end as set forth in claim 2 wherein: the convex plate is provided with a mounting screw hole, and the inner wall of the bottom edge of the avoidance groove is integrally formed with a mounting support lug with a screw hole;

the screw penetrates through the installation screw hole and the threaded hole to be fixed.

4. A modular tube end as set forth in claim 3 wherein: the cylinder shell and the end shell are both insulating plastic structures.

5. A modular tube end as set forth in claim 1 wherein: the outer diameter of the end head shell is the same as the inner diameter of the cylinder shell.