CN202228952U

CN202228952U - Ratable light-emitting diode (LED) lamp tube

Info

Publication number: CN202228952U
Application number: CN2011202994051U
Authority: CN
Inventors: 赖荣模
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-17
Filing date: 2011-08-17
Publication date: 2012-05-23
Anticipated expiration: 2021-08-17

Abstract

The utility model relates to the technical field of light-emitting diode (LED) lamps, in particular to a rotatable LED lamp tube which comprises a radiating fixed seat, a transparent shade, lamp holders located at two ends and a rotation sleeve. The transparent shade and the radiating fixed seat are fixedly connected and matched to form a light tube. The rotation sleeve comprises a fixed plate in the middle and a first sleeve ring and a second sleeve ring which are respectively located on two sides of the fixed plate, the first sleeve ring of the rotation sleeve is connected outside the light tube in sleeve mode, the second sleeve ring is movably connected in the lamp holders in sleeve mode, and an installation hole is arranged in the middle of the fixed plate of the rotation sleeve. A locating column is arranged in each lamp holder, and a limit bump is arranged on the inner side face of the second sleeve ring. The rotation sleeve is designed between the light tube and the lamp holders so that the light tube can rotate relative to the lamp holders and irradiating angles can be changed. Simultaneously, the locating columns in the lamp holders and the limit bump on the inner side face of the second sleeve ring are matched to limit relative rotation of the light tube and avoid winding and following falling off of a lead caused by unlimited rotation.

Description

Rotatable LED fluorescent tube

Technical field

The utility model relates to the LED technical field of lamps, specifically, relates to a kind of rotatable LED fluorescent tube.

Background technology

Common fluorescent lamp because its luminous brighter than incandescent lamp, utilization rate of electrical is higher, use more convenient power saving, thereby has got into each place of society, like domestic lighting, office lighting etc.But fluorescent lamp scribbles fluorescent material for increasing illuminating effect in its fluorescent tube, a spot of mercury vapour is housed in the fluorescent tube, and fluorescent material and mercury vapour all can cause environmental pollution, and be harmful; The life-span of fluorescent lamp while is generally shorter, needs frequent renewal.

Characteristics such as the LED lamp is energy-conservation with it, the life-span is long have also progressed into each place of society, and the LED fluorescent tube generally comprises the lampshade of aluminium alloy heat radiation pedestal and printing opacity; The LED lamp is installed on the aluminium alloy heat radiation pedestal, and the light transmission Transparent lamp shade that sends shines out, so the LED lamp is when irradiation; Can only shine out towards a side of lampshade, lighting angle is very limited, and general lighting angle is 120 degree; In use occasion, can not regulate its lighting angle, can not be all directions that 360 degree can shine as the fluorescent lamp lighting angle; When the place of needs illumination changes; Original LED lamp but shines less than forming the blind area, and the LED lamp can only be installed in addition, brings very big inconvenience to use.

It is 200920061039.9 utility model patent that Patent Office of the People's Republic of China has announced the patent No. on May 12nd, 2010; Name is called: LED light pipe whirligig, and this device comprises cap sleeve, rotary sleeve, light pipe, rotary sleeve is in the form of a ring; Rotary sleeve one end is fixed on the light pipe end; The other end and cap sleeve pivot bush unit, rotary sleeve can rotate in cap sleeve, and the electricity on the cap sleeve connects post and is connected with LED electric connection in the light pipe through cord.This device makes light pipe step-less adjustment at any angle to reach best lighting effect through the design rotary sleeve.If but this device is carrying out light pipe when rotation, rotation always clockwise or be rotated counterclockwise, two power lines that then LED in the light pipe and the plug on the cap sleeve coupled together will be intertwined; If two power lines are integrated in the enamel-covered wire, this enamel-covered wire possibly twine around the contact point of cap sleeve, causes power line and contact point to come off, and needs place under repair, makes troubles to use.

Summary of the invention

The purpose of the utility model is to solve the deficiency of prior art, and a kind of rotatable LED fluorescent tube is provided, and this LED fluorescent tube rotatable lighting element increases the scope of application; When rotated, can not cause power line to twine, the situation of avoiding power line and contact point to come off occurs.

The utility model for realizing the technical scheme that above-mentioned purpose adopts is:

Rotatable LED fluorescent tube comprises radiating permanent seat, translucent cover and the bulb socket that is positioned at two ends; Translucent cover is fixedly connected and fits in light pipe with radiating permanent seat; Said rotatable LED fluorescent tube also comprises rotary sleeve; Rotary sleeve comprises the fixed head and first collar and second collar that lay respectively at the fixed head both sides at middle part; First collar of rotary sleeve is socketed in outside the light pipe, and second collar pivot bush unit of rotary sleeve is in bulb socket; The middle part of the fixed head of rotary sleeve has and is used for the installing hole that lead passes; Be provided with reference column in the said bulb socket, said second collar medial surface is provided with the spacing block set that cooperates with reference column.

Further, the fixed head of said rotary sleeve and the side of radiating permanent seat are equipped with the screwed hole of mutual correspondence, are provided with screw or bolt in the screwed hole, and the fixed head of said rotary sleeve is fixedly connected with radiating permanent seat through screw or bolt.

Further, the medial surface of bulb socket is provided with the fixture block of a plurality of convexities, and second collar lateral surface of rotary sleeve is provided with the cannelure that matches with fixture block.

Further, the both sides of the fixture block of the convexity of the medial surface of bulb socket have the through hole that fixture block is isolated.

Further, the medial surface of bulb socket is provided with the fixture block of 3 convexities.

The beneficial effect of the utility model is: rotatable LED fluorescent tube comprises radiating permanent seat, translucent cover and the bulb socket that is positioned at two ends; Translucent cover is fixedly connected and fits in light pipe with radiating permanent seat; Said rotatable LED fluorescent tube also comprises rotary sleeve; Rotary sleeve comprises the fixed head and first collar and second collar that lay respectively at the fixed head both sides at middle part; First collar of rotary sleeve is socketed in outside the light pipe, and second collar pivot bush unit of rotary sleeve is in bulb socket; The middle part of the fixed head of rotary sleeve has and is used for the installing hole that lead passes; Be provided with reference column in the said bulb socket, said second collar medial surface is provided with the spacing block set that cooperates with reference column.Through between light pipe and bulb socket, designing rotary sleeve, make light pipe bulb socket rotation relatively to change irradiating angle; Cooperating of the spacing block set of the reference column in the bulb socket and second collar medial surface simultaneously, the relative rotation of light pipe is carried out spacing, prevent that unrestricted rotation from causing lead to twine and the problem appearance that comes off.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION sketch map of the utility model.

Fig. 2 is the structural representation of the rotary sleeve of the utility model.

Fig. 3 is the structural representation of the bulb socket of the utility model.

Reference numeral is:

1---light pipe 11---translucent cover 12---radiating permanent seat

2---rotary sleeve 21---first collar 22---screwed holes

23---second collar 24---fixed head 25---installing holes

26---cannelure 27---spacing block set

3---bulb socket 31---through hole 32---reference columns

33---fixture block.

The specific embodiment

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

Embodiment:

Rotatable LED fluorescent tube comprises radiating permanent seat 12, translucent cover 11 and the bulb socket 3 that is positioned at two ends; Translucent cover 11 is fixedly connected and fits in light pipe 1 with radiating permanent seat 12; Said rotatable LED fluorescent tube also comprises rotary sleeve 2; Rotary sleeve 2 comprises the fixed head 24 and first collar 21 and second collar 23 that lay respectively at fixed head 24 both sides at middle part; First collar 21 of rotary sleeve 2 is socketed in outside the light pipe 1, and second collar, 23 pivot bush units of rotary sleeve 2 are in bulb socket 3; The middle part of the fixed head 24 of rotary sleeve 2 has and is used for the installing hole 25 that lead passes; Be provided with reference column 32 in the said bulb socket 3, said second collar, 23 medial surfaces are provided with the spacing block set 27 that cooperates with reference column 32.

Original LED fluorescent tube is the two ends that bulb socket 3 direct sockets are fixed on light pipe 1, and in a single day such LED fluorescent tube is fixed on the lamp bracket, and then direction of illumination can not change, because the LED fluorescent tube can not rotate, its direction of illumination is certain; The utility model increases rotary sleeve 2 on the basis of original LED fluorescent tube, first collar 21 of rotary sleeve 2 is fixedly sleeved outside an end of light pipe 1, can not rotate relatively; Fixedly sleeved mode can adopt the internal diameter of first collar 21 to cooperate with light pipe 1 external diameter or interference fit realizes.Second collar, 23 pivot bush units of rotary sleeve 2 can adopt second collar 23 and bulb socket 3 matched in clearance in bulb socket 3, in case fixing, second collar 23 and bulb socket 3 can not be along axially relatively moving because of the LED fluorescent tube, can only relative rotary motion; During installation, the power end of the LED lamp in an end of lead and the light pipe 1 is connected, the other end of lead pass rotary sleeve 2 fixed head 24 middle parts installing hole 25 and be electrically connected with the plug of bulb socket 3.Rotary sleeve 2 relative bulb socket 3 rotations; Fixed contact point on the also relative bulb socket 3 of lead rotates and twines; Up to the reference column 32 of bulb socket 3 touch rotary sleeve 2 spacing block set 27 and stop relative rotation; Therefore light pipe 1 bulb socket 3 rotations more than 350 degree relatively can satisfy and rotate the needs that throw light on; Can not surpass 360 degree when rotating simultaneously, can not cause that lead relative fixed contact point is unlimited to be twined and come off.

Further; The fixed head 24 of said rotary sleeve 2 and the side of radiating permanent seat 12 are equipped with the screwed hole 22 of mutual correspondence; Be provided with screw or bolt in the screwed hole 22, the fixed head 24 of said rotary sleeve 2 is fixedly connected (not drawing among the figure) through screw or bolt with radiating permanent seat 12.

In actual production, the internal diameter of first collar 21 of rotary sleeve 2 and the outside dimension of light pipe 1 have certain deviation when making, the difficult just mated condition that reaches, and the oversize of interference fit then brings very big inconvenience to installation; Therefore, after design screw or bolt connect, can be matched in clearance with first collar 21 of rotary sleeve 2 and the matching design of light pipe 1; Bring convenience to actual production processing like this, machining accuracy reduces, and cuts down finished cost.

Further, the medial surface of bulb socket 3 is provided with the fixture block 33 of a plurality of convexities, and second collar, 23 lateral surfaces of rotary sleeve 2 are provided with the cannelure 26 that matches with fixture block 33.

When second collar 23 of rotary sleeve 2 is socketed in the bulb socket 3; The fixture block 33 of the convexity of the medial surface of bulb socket 3 snaps in the annular groove on second collar, 23 lateral surfaces of rotary sleeve 2; Rotary sleeve 2 bulb socket 3 rotations relatively like this; But can not produce axial relatively moving between rotary sleeve 2 and the bulb socket 3, make device more stable.

As a kind of distortion of present embodiment, can fixture block 33 be designed to annular fixture block, promptly be provided with the fixture block 33 of the convexity of annular at the medial surface of bulb socket 3.

Further, the both sides of the fixture block 33 of the convexity of the medial surface of bulb socket 3 have the through hole 31 that fixture block 33 is isolated.

Have through hole 31 in the both sides of fixture block 33, through hole 31 is divided into the little side plate of polylith with the side plate of bulb socket 3, then has between little side plate and the adjacent little side plate of fixture block 33 and has through hole 31, promptly has the gap; The little side plate that has a fixture block 33 can outwardly-bent certain angle when second collar 23 of socket rotary sleeve 2; Has certain elasticity; Can increase the internal diameter of fixture block 33; Be convenient to second ring set of rotary sleeve 2 is placed in the bulb socket 3, and be convenient to the fixture block 33 of bulb socket 3 is snapped in the cannelure 26 of second collar 23.

Further, the medial surface of bulb socket 3 is provided with the fixture block 33 of 3 convexities.Can certainly be designed to 2,4,5 and more fixture block 33, the increase of these simple quantity or minimizing are not left the essence of the utility model, all at protection domain and so on.3 fixing planes, the fixture block 33 that is designed at least 3 convexities can prevent fixture block 33 hour, rotation light pipe 1, and rotary sleeve 2 rocks with bulb socket 3 relatively; 3 convexities of design promptly can play stabilization in the present embodiment, save material simultaneously.

Claims

1. rotatable LED fluorescent tube is characterized in that: it comprises radiating permanent seat, translucent cover and the bulb socket that is positioned at two ends; Translucent cover is fixedly connected and fits in light pipe with radiating permanent seat; Said rotatable LED fluorescent tube also comprises rotary sleeve; Rotary sleeve comprises the fixed head and first collar and second collar that lay respectively at the fixed head both sides at middle part; First collar of rotary sleeve is socketed in outside the light pipe, and second collar pivot bush unit of rotary sleeve is in bulb socket; The middle part of the fixed head of rotary sleeve has and is used for the installing hole that lead passes; Be provided with reference column in the said bulb socket, said second collar medial surface is provided with the spacing block set that cooperates with reference column.

2. rotatable LED fluorescent tube according to claim 1; It is characterized in that: the fixed head of said rotary sleeve and the side of radiating permanent seat are equipped with the screwed hole of mutual correspondence; Be provided with screw or bolt in the screwed hole, the fixed head of said rotary sleeve is fixedly connected with radiating permanent seat through screw or bolt.

3. rotatable LED fluorescent tube according to claim 1 and 2 is characterized in that: the medial surface of bulb socket is provided with the fixture block of a plurality of convexities, and second collar lateral surface of rotary sleeve is provided with the cannelure that matches with fixture block.

4. rotatable LED fluorescent tube according to claim 3 is characterized in that: the both sides of the fixture block of the convexity of the medial surface of bulb socket have the through hole that fixture block is isolated.

5. rotatable LED fluorescent tube according to claim 4, it is characterized in that: the medial surface of bulb socket is provided with the fixture block of 3 convexities.