CN201163005Y

CN201163005Y - Rotatable joint of LED illumination tube

Info

Publication number: CN201163005Y
Application number: CNU2008200440444U
Authority: CN
Inventors: 黄国豪
Original assignee: HESHAN JIANHAO LIGHTING INDUSTRIAL Co Ltd
Current assignee: HESHAN JIANHAO LIGHTING INDUSTRIAL Co Ltd
Priority date: 2008-02-05
Filing date: 2008-02-05
Publication date: 2008-12-10
Anticipated expiration: 2018-02-05

Abstract

The utility model discloses a right angle connector of an LED luminescent tube, comprising a lamp cap and metal needles, wherein, an end part of the lamp cap is movably connected with a collets through a central shaft; the metal needles are fixed at two sides of the central shaft of the collets; the end part of the lamp cap is provided with circular arc hole slots which are inserted by the metal needles and properly rotate; teeth are arranged on the collets; and a teeth groove is arranged on the end part of the lamp cap to be elastically fastened with the teeth. The right angle connector is additionally provided with a rotatable collets between the metal needles and the lamp cap, the adjustment of irradiating angles of the luminescent tube through the elastic fastening between the teeth and the teeth groove. After the LED luminescent tube adopting the structure is mounted into a lamp holder, the LED luminescent tube can conveniently and flexibly adjust the irradiating direction according to need, is quick to mount and convenient to adjust, makes up for the defect that the prior LED tube can only illuminate in a fixed angle and can not freely adjust the irradiating angle, expands application range and contributes to the promotion of LED light sources.

Description

But a kind of LED luminous tube corner coupling head

Technical field

The utility model relates to a kind of ligthing paraphernalia, but particularly a kind of corner coupling head that is used for LED luminous tube adjustment irradiating angle.

Background technology

Along with the extensive use of LED at lighting field, the various light fixture of LED as light emitting source appearred more and more utilizing on the market, wherein also comprise a kind of profile and illuminating effect and the approaching LED luminous tube of present widely used fluorescent tube.The LED luminous tube comprises light-transmission tube and is installed on the lamp holder of light-transmission tube end, the LED luminescence component is installed in the light-transmission tube, the LED luminescence component comprises circuit board and is fixed on LED on the circuit board, the lamp holder cap is provided with contact pin, the LED luminescence component is electrically connected in the lamp socket by contact pin, gets final product luminous lighting after the energising.Because the cause specific on the LED luminous tube self structure, the back side of the LED luminescence component that it is inner is blocked by circuit board, can not printing opacity and form shade, cause can only single angle illumination sorry.Therefore, the irradiating angle of LED luminous tube is limited, and this just makes the LED luminous tube in use a lot of inconvenience can occur, as when illuminated zone not on the light emission direction at fluorescent tube and corresponding lamp socket when not setting in advance, will make troubles to use.If the LED luminous tube that can adjust angle is arranged, by rotating the needs that an angle is come adaptating lighting, above problem will be readily solved.

The utility model content

In order to address the above problem, but the purpose of this utility model is to provide a kind of convenience simple in structure, quick for installation, adjusts the good LED luminous tube corner coupling head of the accurate result of use of angle.

The technical scheme that its technical problem that solves the utility model adopts is:

But a kind of LED luminous tube corner coupling head, comprise lamp holder cap and metal needle, lamp holder cap end centre is connected with collets by central shaft, described metal needle is fixedly installed on the collets and is symmetrically arranged in the both sides of central shaft, and it is the center and the circular arc hole slot that can penetrate and suitably rotate for metal needle that lamp holder cap end is provided with the central shaft corresponding to metal needle; Collets are provided with the teeth of curved layout, and lamp holder cap end correspondingly is provided with the alveolus that fastens with teeth elasticity.

The beneficial effects of the utility model are: the utility model is fixed on metal needle can be on the collets that lamp holder cap end face central shaft rotates, and the alveolus on teeth on the collets and the lamp holder cap is connected with the form that elasticity fastens, under external force, produce transposition by mutual trickle deformation and move the angle adjustment that realizes between metal needle and the lamp holder cap.Adopt the LED luminous tube of said structure lamp holder, can in lamp socket, adjust the crevice projection angle that throws light on as required easily and flexibly after being mounted to lamp socket, quick for installation, easy to adjust, having overcome former LED fluorescent tube can only be with fixed angle illumination and deficiency that can not regulated at will, expanded its application scope, improved the convenience of using, help the quick popularization of led light source.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the schematic perspective view of the utility model first embodiment;

Fig. 2 is that the structure of the utility model first embodiment splits cutaway view;

Fig. 3 is the structure broken away view of the utility model second embodiment;

Fig. 4 is that the structure of the utility model second embodiment splits cutaway view;

Fig. 5 is that the structure of the utility model the 3rd embodiment splits.

The specific embodiment

Referring to figs. 1 through Fig. 2, but a kind of LED luminous tube corner coupling head of the present utility model, comprise lamp holder cap 1 and metal needle 2, the outside, lamp holder cap 1 end centre is connected with collets 3 by central shaft 10, metal needle 2 is fixedly installed on the collets 3 and is symmetrically arranged in the both sides of central shaft 10, and it is the center and the circular arc hole slot 11 that can penetrate and suitably rotate for metal needle 2 that lamp holder cap 1 end is provided with central shaft 10 corresponding to metal needle 2; Collets 3 are provided with the teeth 12 of curved layout, and lamp holder cap 1 end correspondingly is provided with the alveolus 13 that fastens with teeth 12 elasticity.During use, metal needle 2 inserts in the lamp socket, realizes being electrically connected between LED luminous tube and the lamp socket.

Collets 3 edges are furnished with teeth 12 equably, and edge, lamp holder cap 1 outer face is provided with the alveolus 13 corresponding with teeth 12, and teeth 12 are connected with the form that elasticity fastens with alveolus 13.After the LED luminous tube was fit into lamp socket, metal needle 2 inserted in the corresponding jack of lamp socket, and the other end of metal needle 2 and LED luminous tube internal circuit are electrically connected, and make the LED luminous tube luminous.Before the adjustment, teeth 12 fasten and are clamped in the alveolus 13, and the LED luminous tube throws light on inceptive direction; When direction of illumination undesirable and when need adjusting angle, twisting lamp holder cap 1 or be fixedly connected on fluorescent tube on the lamp holder cap 1, lamp holder cap 1 is subjected to reversing the effect of external force, also produce a mutual active force between teeth 12 and the alveolus 13 this moment, this active force makes teeth 12 and alveolus 13 that elastic deformation take place, make teeth 12 beat to another alveolus and fasten and tighten, thereby the transposition that is implemented in circumferencial direction is moved from an alveolus.When LED luminous tube and lamp holder cap 1 thereof moved with respect to metal needle 2 transpositions, circular arc hole slot 11 slided on metal needle 2 to guarantee that the LED luminous tube adjusts normally carrying out of angle.Repeat above-mentioned adjustment action serially till obtaining satisfied irradiating angle.

With reference to Fig. 3 and Fig. 4, second embodiment of the present utility model, collets 3, central shaft 10 and alveolus 13 are located at the inboard of lamp holder cap 1 end, and its implementation is identical with first embodiment.After adopting such structure, collets 3, central shaft 10 and alveolus 13 etc. all are hidden in lamp holder cap 1 inside, make the LED luminous tube seem more succinct from appearance.

With reference to Fig. 5, for ease of installing or renewal part, collets 3 outsides are equipped with can be around the insulation fixed head 20 of central shaft 10 rotations, metal needle 2 is fixed on the fixed head 20, collets 3 are provided with the fixing hole 21 that penetrates for metal needle 2, and metal needle 2 stretches in the hole slot 11 by fixing hole 21, like this after 12 wearing and tearing of the teeth on the collets 3, can directly pull down fixed head 20 and metal needle 2, the collets 3 that more renew.

For quickly and easily collets 3 being mounted on the central shaft 10, central shaft 10 is the axle that extend outward from lamp holder cap 1 end face and its front end is provided with locating flange 14 and retraction slot 15.Adopt such structure very easily collets to be pressed on the central shaft 10 by simple mode, and prevent that by locating flange 14 collets from coming off.Central shaft 10 can also adopt the threaded axle of end processing, and behind the installation collets 3, the mode of locating with packing ring and nut realizes also having identical effect.

In the adjustment process; often touch the stability that is electrically connected that influences metal needle 2 for preventing the circular arc hole slot 11 on the lamp holder cap 1 with metal needle 2; collets 3 end faces are provided with limited block 16; lamp holder cap 1 corresponding end face is provided with the locating piece 17 corresponding with limited block 16; after rotating to certain angle; 17 limited of locating pieces stop, can protect metal needle 2 not touched by the lamp holder cap.

LED luminous tube behind the employing said structure, be mounted to the crevice projection angle that to adjust illumination behind the lamp socket as required neatly, quick for installation, easy to adjust, overcome former LED fluorescent tube can only be single the deficiency of angle illumination, expanded its application scope, improved the convenience of using.

Claims

1. but LED luminous tube corner coupling head, comprise lamp holder cap (1) and metal needle (2), it is characterized in that: lamp holder cap (1) end centre is connected with collets (3) by central shaft (10), described metal needle (2) is fixedly installed in the both sides that central shaft (10) were gone up and be symmetrically arranged in to collets (3), and lamp holder cap (1) end is provided with central shaft (10) corresponding to metal needle (2) and be the center and can supply metal needle (2) to penetrate and the suitable circular arc hole slot (11) of rotation; Collets (3) are provided with the teeth (12) of curved layout, and lamp holder cap (1) end correspondingly is provided with the alveolus (13) that fastens with teeth (12) elasticity.

2. but a kind of LED luminous tube corner coupling head according to claim 1 is characterized in that: described collets (3), central shaft (10) and alveolus (13) are located at the inboard of lamp holder cap (1) end.

3. but a kind of LED luminous tube corner coupling head according to claim 1, it is characterized in that: collets (3) outside is equipped with can be around the insulation fixed head (20) of central shaft (10) rotation, described metal needle (2) is fixed on the fixed head (20), collets (3) are provided with the fixing hole (21) that penetrates for metal needle (2), and metal needle (2) stretches in the hole slot (11) by fixing hole (21).

4. but according to claim 1 or 2 or 3 described a kind of LED luminous tube corner coupling heads, it is characterized in that: described central shaft (10) is the axle that extend outward from lamp holder cap (1) end face and its front end is provided with locating flange (14) and retraction slot (15).

5. but according to claim 1 or 2 or 3 described a kind of LED luminous tube corner coupling heads, it is characterized in that: collets (3) end face is provided with limited block (16), and the corresponding end face of lamp holder cap (1) is provided with the locating piece (17) corresponding with limited block (16).