CN201437914U

CN201437914U - LED fluorescent lamp tube

Info

Publication number: CN201437914U
Application number: CN2009201212473U
Authority: CN
Inventors: 王桂福
Original assignee: NINGBO FORTO ELECTRICAL CO Ltd
Current assignee: NINGBO FORTO ELECTRICAL CO Ltd
Priority date: 2009-06-04
Filing date: 2009-06-04
Publication date: 2010-04-14
Anticipated expiration: 2019-06-04

Abstract

The utility model discloses an LED fluorescent lamp tube which comprises a lamp tube main body and a tube head installed with a pin. A sleeve is sheathed on the outer surface of the lamp tube main body, a lug boss is arranged on the outer side wall of the sleeve, a groove which is matched with the lug boss is arranged on the inner surface of the tube head, a metal contact sheet is arranged on the other side wall of the pin corresponding to the tube head, and an opening used for a PCB to insert is arranged on the metal contact sheet. As the sleeve is arranged between the tube head and the lamp tube main body, when in production, glue with enough intensity can be coated on the inner surface of the sleeve so as to lead firm connection between the sleeve and the lamp tube main body, and therefore the sleeve and the lamp tube main body cannot be easily loosened and separated; moreover, even if the glue overflows, the overflown glue can be adhered on the outer surface of the sleeve; the installation of the tube head does not affect the appearance of the lamp tube, the production is convenient, and the product qualification rate is high.

Description

A kind of LED fluorescent tube

Technical field

The utility model relates to a kind of lighting lamp, relates in particular to a kind of LED fluorescent tube.

Background technology

The LED lamp is owing to have following advantage: 1) do not have stroboscopic, be difficult for making eyes to produce sense of fatigue; 2) illumination is even; 3) extra long life: average life span was greater than 35000 hours because caloric value is low, power consumption is little (low-voltage, low current starting) for the LED lamp, and the life-span is more than ten times of electricity-saving lamp; 4) Environmental Safety: compare than fluorescent lamp, shatter-proof, shock-resistant, be difficult for broken, discarded object is recyclable, does not have mercury pollution, is real environment-friendly products.5) adjustable brightness: if mix special-purpose brightness controller, the operator can be according to self the adaptability regulated at will brightness to brightness, makes it the comfort level that reaches ideal, makes the eyes that work long hours be difficult for producing sense of fatigue.Obtained use more and more widely.

Current LED fluorescent tube comprises lamp tube body and tube head, and its junction adopts glue to fix, if the glue quantity that is coated with between them is too much, glue then might overflow, cause the lamp body outer surface cull to be arranged and be stained with dirt, thereby influence the outward appearance of fluorescent tube, if glue quantity is very few or evenly be not coated with and put in place, can produce and come unstuck, loosening phenomenon, even tube head and lamp tube body disengaging, because most of light fixture all is contained in eminence, lamp tube body and tube head disengaging be except that can allowing the light fixture spare part breaks, and any light fixture spare part that is dropped by eminence all can have the personnel's of wounding potential danger generation.

In addition, when the LED fluorescent tube needed repairing, gluing affixed lamp tube body and tube head can't carry out demolition, assembling in the prior art, so maintenance is extremely inconvenient.

In sum, current LED fluorescent tube, glue consumption is the very few quality that all can influence the LED fluorescent tube too much, and how many full experiences by operating personnel of glue consumption are judged, controllability is relatively poor, and the chemical analysis difference of different glue, bonding effect also not the same, change the decline that glue formula tends to cause the fluorescent tube quality, so just cause the LED fluorescent tube yield rate of producing not ideal enough.

The utility model content

The utility model is at deficiency of the prior art, and a kind of production qualification rate height, LED fluorescent tube easy to maintenance are provided, and when this LED fluorescent tube was produced, controllability was better.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:

A kind of LED fluorescent tube, comprise lamp tube body, the tube head of pin is installed, the outer surface of described lamp tube body is arranged with lining, the lateral wall of lining is provided with boss, the inner surface of described tube head is provided with the groove that matches with described boss, and described tube head is provided with the Metal Contact sheet corresponding to another sidewall of pin, and the Metal Contact sheet is provided with and is used for the opening that pcb board inserts.

In the technique scheme, described boss extends along lining whole circumference direction, and this preferred scheme processing is more convenient.

In the technique scheme, the inner surface of described lining is provided with the annular knurl groove, and annular knurl groove inside can ccontaining glue, and lining is convenient to bond on the lamp tube body, is provided with the annular knurl groove in addition, and the friction of lining and lamp tube body is increased, and is convenient to both bonding.

In the technique scheme, the annular knurl groove of sleeve inner surface is the straight knurling groove, and this preferred annular knurl groove processing is more convenient, low cost of manufacture.

In the technique scheme, described boss has the plane at a sidewall place perpendicular to the lining center line, and this sidewall has curved end, because the plane that boss has a sidewall place makes boss and groove fit tight perpendicular to the lining center line, connect more firm, when needs are torn open, when unloading, because this sidewall has curved end, torn open, unload also more convenient.

Beneficial effect: the utility model compared with prior art has following beneficial effect:

1) the utility model is owing to be provided with lining between tube head and the lamp tube body, sleeve inner surface can be coated the glue of sufficient intensity during production, lining and lamp tube body are connected firmly, are difficult for becoming flexible, break away from, even produce the glue that overflows, overflow the outer surface that is adhesive in lining,, also can not influence outward appearance when installing tube head, thereby convenient production makes the product percent of pass height of producing.

2) the utility model lamp tube body and tube head dismounting, easy to assembly when defective work appears in production, is convenient to do over again, and just in case the LED fluorescent tube when needing repairing, keeps in repair also more convenient.

Description of drawings

Fig. 1 is the decomposing schematic representation of LED fluorescent tube

Fig. 2 is a LED fluorescent tube structural representation

Fig. 3 is the structural representation of tube head

Fig. 4 is the structural representation of lining

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

See Fig. 1～4, formations such as the main lamp tube body 1 of described LED fluorescent tube, tube head 5.

Described lamp tube body 1 outer surface is arranged with lining 3, inner surface at described lining 3 processes straight knurling groove 32, annular knurl groove 32 inside can ccontaining glue, lining 3 is convenient to bond on the lamp tube body 1, be provided with annular knurl groove 32 in addition, the lining 3 and the friction of lamp tube body 1 are increased, be convenient to both bonding, the outer circumference surface of described lining 3 is provided with the boss 30 along whole circumferential extension, certainly this boss 30 also can be divided into along several sections of circumferential extension, but both compare still preferably along whole circumferential extension, because its processing is convenient, the outer surface of described lining 3 is arranged with tube head 5, the inner surface of tube head 5 is provided with the groove 50 that matches with described boss 30, during installation, boss 30 just snaps in this groove 50, described boss 30 has the plane at a sidewall 300 places perpendicular to lining 3 center lines, and this sidewall 300 has curved end 302, because boss 30 has the plane at a sidewall place to make boss 30 cooperate with groove 50 closely perpendicular to lining 3 center lines, and when tearing open, when unloading, because this sidewall 300 has curved end 302, tear open, unload conveniently.

Described lamp tube body 1 inner surface is provided with the pcb board (not shown), the lateral wall of described tube head 5 is provided with pin 7, madial wall is provided with two Metal Contact sheets 9, wherein be provided with an opening 90 between the Metal Contact sheet 9, be used for described pcb board and insert, and be parallel to the plane at pin 7 places after the pcb board insertion.

Preferably, be provided with reinforcement 52 corresponding to two Metal Contact sheet 9 sides on the madial wall of described tube head 5, be used for fixing Metal Contact sheet 9, Metal Contact sheet 9 is installed on the described pin 7 reliably.

During installation, coat the glue of sufficient intensity earlier at the inner surface of lining 3, afterwards lining 3 is set in the two ends on the lamp tube body 1, Deng lining 3 and lamp tube body 1 bonding reliable after, again tube head 5 is set in the outer surface of lining 3, and allow pcb board snap between two Metal Contact sheets 9, even like this pin 7 at two ends at grade and and be parallel to pcb board, when the boss on the lining 3 30 with after groove 50 cooperates, promptly finish installation, because pcb board snaps between two Metal Contact sheets 9, tube head 5 just can not rotate with respect to lamp tube body 1 like this, and boss 30 snaps in groove 50, and tube head 5 just can not separate with lamp tube body 1.

The utility model is owing to coat lining 3 inner surfaces in the glue of sufficient intensity, lining 3 is connected firmly with lamp tube body 1, be difficult for loosening, break away from, even produce the glue that overflows, overflow the outer surface that is adhesive in lining, when installing tube head, can not influence outward appearance yet, thus convenient production, make the product percent of pass height of producing, and, when defective work appears in production, be convenient to do over again owing to lamp tube body and tube head dismounting, easy to assembly, and just in case the LED fluorescent tube when needing repairing, keeps in repair also more convenient.

Claims

1. LED fluorescent tube, comprise lamp tube body (1), the tube head (5) of pin (7) is installed, it is characterized in that, the outer surface of described lamp tube body (1) is arranged with lining (3), the lateral wall of lining (3) is provided with boss (30), the inner surface of described tube head (5) is provided with the groove (50) that matches with described boss (30), described tube head (5) is provided with Metal Contact sheet (9) corresponding to another sidewall of pin (7), and Metal Contact sheet (9) is provided with and is used for the opening (90) that pcb board inserts.

2. LED fluorescent tube as claimed in claim 1 is characterized in that, described boss (30) extends along lining (3) whole circumference direction.

3. LED fluorescent tube as claimed in claim 1 is characterized in that, the inner surface of described lining (3) is provided with annular knurl groove (32).

4. LED fluorescent tube as claimed in claim 3 is characterized in that, the annular knurl groove (32) of lining (3) inner surface is the straight knurling groove.

5. LED fluorescent tube as claimed in claim 1 is characterized in that, described boss (30) has the plane at a sidewall (300) place perpendicular to lining (3) center line, and this sidewall (300) has curved end (302).