Plug and LED lamp
Technical field
The utility model relates to plug and LED lamp, especially a kind of bar-shaped LED lamp that can conveniently be combined into the lamp band of any use length.
Background technology
Because of LED has high light efficiency, low energy consumption, long advantage of life-span, it is widely used at various decoration occasions and advertising sector etc., such as being used for show window, showcase, indoor setting or the like.Because decoration industry is the specific (special) requirements of decoration occasions in other words,, be that the lamp of light emitting source can satisfy such requirement fully with LED even wish all that generally speaking the lamp appearance looks elegant that is adopted is small and exquisite and exquisite.
Based on pursuit, on the basis of traditional cord lamp, developed novel product again to above target.Traditional cord lamp is that paster LED is coated on a kind of bent LED decorative lamp that forms in the transparent or translucent soft plastic resin, and product newly developed is the wiring board that is fitted with strip in the shell of strip, light-emitting component LED then is welded on this wiring board, as Chinese patent ZL02250827.9 disclosed " folding type semiconductor light-emitting-diode decorative lamp ", this decorative lamp is provided with the lead-in wire connector, the dotted line place on this lead-in wire connector next door can arbitrarily fracture, in the place of fractureing power line is inserted into the lead-in wire plug connector on the plate that fractures, the lamp bar equally can normal luminous work.
The similar structures that above-mentioned lead-in wire connector structure and traditional cord lamp are had is in itself without any difference, its in use same deficiency that exists: the first, use is very not convenient, lamp body as required fractures during use, but be ignorant of the ordinary people of electrical equipment for those, can't finish voluntarily at all; The second, being provided with at interval generally about 1 meter of lead-in wire connector, even lamp body is broken, its length still is difficult to satisfy the requirement under the various varying environment situations; Three, at each place that fractures, all need have supply socket separately is the power line power supply, thereby has a strong impact on the whole structure of decoration occasions.Four, all need lead-in wire in addition at each plug or socket place, associated components with attachment plug terminal or socket, it is higher to make trouble and cost, also just because of whole lamp body is different in the structure at plug or socket place, thereby it is lack of consistency on the whole, and cause the spacing between near the LED in this place there are differences easily, thereby influence is decorated or illuminating effect.
The utility model content
The utility model proposes plug and LED lamp, design small and exquisitely, have advantage simple in structure, that production technology is simple and cost is low.
According to the utility model on the one hand, plug is proposed, be connected with circuit board and socket respectively, it is characterized in that, comprise insulating body and metallic object, wherein: the surface of described insulating body is provided with at least two grooves and metallic object is fixed in the groove, and described insulating body is provided with syndeton, and described insulating body and circuit board are linked into an integrated entity; One end of described metallic object bends downwards and is welded on the circuit board along an end of groove, and the other end of described metallic object forms along the other end bending downwards of groove and with socket and is electrically connected.
Further, insulating body also comprises and colludes hanging hang structure, is arranged on the surperficial corresponding back side with insulating body, colludes the free end that the other end that tangles metallic object is bent to form downwards.
Further, the syndeton of insulating body setting is a dowel hole, is arranged on the surperficial corresponding back side with insulating body, and the height of dowel hole locks the alignment pin that penetrates circuit board less than the surface of insulating body and the height between the back side.
Further, the syndeton of insulating body setting is the grafting body.
Further, at least two holes are set also in the groove of insulating body, metallic object penetrates the hole that is provided with in the groove along the surface of insulating body.
Further, the bending downwards of the other end of metallic object is the Elastic Contact terminal.
Further, the angle of the other end of metallic object bending downwards is less than 90 degree.
According to the utility model on the other hand, the LED lamp is proposed also, comprise in the enclosure circuit board of shell, plug-in mounting, on circuit board, be welded with emitting led, form socket at an end of circuit board, it is characterized in that: also comprise above-mentioned arbitrary described plug.
Further, the inboard of two sidewalls of shell is provided with first slot and second slot respectively, and the width that first slot and second slot form is more than or equal to the width of circuit board, and the width that forms is that the top narrow lower portion is wide.
Further, the inboard of two sidewalls of shell also is provided with the 3rd slot and the 4th slot that inserts lens, and described the 3rd slot and the 4th slot are positioned at the top of first slot and second slot.
Compared with prior art, the utlity model has one of following at least advantage:
On each lamp main body, all design plug, the socket of simplifying, thereby can be according to the situations such as length of use occasion, grafting LED lamp is to satisfy instructions for use flexibly, especially under the situation of the LED lamp that is equipped with the identical but discrepant two or more models of length of structure, can very accurately satisfy the length requirement of use occasion by pegging graft combination.
Easy accessibility, need not other instruments can be finished by the ordinary people.
By plug the LED lamp is connected into the lamp band, the lamp band that a whole inserting forms only needs a power input socket, helps guaranteeing the cleaning of decoration occasions and has reduced the cost of line related input accessory extraly.
The plug that the LED lamp is simplified very much, jack design make the outward appearance of whole LED lamp not be subjected to the influence of two ends plug, socket completely, can do very attractive in appearancely and small and exquisite.
Plug need not carry out other line etc., does not need other accessory yet, has advantage simple in structure, that production technology is simple and cost is low.
The plug and socket occupation space is very little, thereby the continuity of decorative effect is good, can not influence the whole structure of lamp.
Description of drawings
Fig. 1 is the three-dimensional assembling exploded view of the utility model LED lamp;
Fig. 2 is the partial enlarged drawing of the utility model plug;
Fig. 3 is the structure chart after the assembling of the utility model LED lamp;
Fig. 4 (a) is schematic diagram after the utility model assembling;
Fig. 4 (b) for after the utility model assembling along the generalized section of A-A direction;
Embodiment
Be illustrated in figure 1 as the three-dimensional assembling exploded view of a better embodiment of the utility model LED lamp.Bar-shaped LED lamp comprise strip shell 1, be inserted to circuit board 2 in the shell, on circuit board, be welded with emitting led, form socket 3, be fastenedly connected at an end of circuit board at the other end and the plug 4 of circuit board.Figure 1 illustrates circuit board 2 and the schematic diagram that plug 4 is fastenedly connected by alignment pin 5, dowel hole 21 is set on circuit board 2.Certainly, circuit board 2 can also be fastenedly connected by other modes with plug 4, and concrete implementation will be elaborated below.
Socket 3 is that the end by circuit board 2 forms, at least two electrical connection metal formings that get through the printing of print circuit plates making technology that are parallel to each other are set on circuit board 2, this metal forming forms with plug and is electrically connected, if the LED lamp is used to send colourama, then connect red R, green G and blue B and power line respectively.
Plug 4 can stretch out in an end of shell 1, forms with circuit board and socket respectively to be electrically connected, and formedly electrically connects as direct insertion connection, does not need the connection device by other.Be that plug one end is electrically connected with circuit board formation, the other end of plug directly is inserted in the socket of another LED lamp, forms with the socket of another LED lamp to be electrically connected.In Fig. 1, the part that circuit board 2 subscripts are shown with dowel hole 21 is used for attachment plug 4.Below in conjunction with the partial enlarged drawing of plug among Fig. 24, the structure of plug 4 is described.Plug 4 comprises insulating body 41 and metallic object 42, and the surface of described insulating body 41 is provided with at least two grooves and metallic object 42 is fixed in the groove, and described insulating body 41 is provided with syndeton, and insulating body 41 and circuit board 2 are linked into an integrated entity.One end of described metallic object 42 bends downwards and is welded on the other end of circuit board 2 along an end of groove, and the other end of described metallic object 42 forms along the other end bending downwards of groove and with socket 3 and is electrically connected.Preferably, also comprise at the insulating body 41 of plug 4 and to collude hanging hang structure, be arranged on the surperficial corresponding back side with insulating body 41, collude the free end that the other end that tangles metallic object 42 is bent to form downwards.So both reduced the resistance in the plug process, prevented also that metallic object from scratching the metal forming of socket.Preferably, as shown in Figure 2, at least two holes are set also in the groove of the insulating body 41 of plug 4, metallic object 42 penetrates the hole that is provided with in the groove along the surface of insulating body 41, forms more fastening connection.In the implementation of hole was not set, metallic object 42 can be stuck in the groove to fix, and blocks metallic object such as the sidewall by groove.Preferably, the other end of the metallic object 42 of plug 4 is bent into the Elastic Contact terminal downwards along the other end of groove.When pegging graft, can form more fastening connection like this.Certainly, it also can not the Elastic Contact terminal, such as, with the other end of metallic object 42 when the other end of groove bends downwards, continuation bends along the gabarit of insulating body, be exactly along the side of insulating body until the back side, as long as the back side of insulating body can make metallic object be electrically connected with socket formation.Preferably, the angle of the other end of the metallic object 42 of plug 4 bending downwards is less than 90 degree.The benefit of doing like this is, after plug is inserted into socket, is subjected to external downward pressure and does the time spent, can form certain reaction force, prevents that two LED lamps from disconnecting in the junction, guaranteed the tightness and the fail safe that connect.
Plug 4 is fastenedly connected with the other end of circuit board 2 in the following manner, can be positioned to one by alignment pin 5, also can connect by connected structure.The syndeton that is insulating body 41 settings of plug 4 is dowel hole or grafting body.When connecting by alignment pin 5, the insulating body 41 of plug 4 also comprises dowel hole, be arranged on the surperficial corresponding back side with insulating body, the height of dowel hole is less than the surface of insulating body and the height between the back side, the dowel hole 21 that alignment pin 5 penetrates circuit board 2 continues to penetrate the dowel hole of insulating body 41 afterwards, and is stuck in the dowel hole.Because alignment pin do not penetrate insulating body, not only guaranteed attractive in appearancely, and alignment pin 5 can be locked in dowel hole.When connecting, the insulating body 41 of plug 4 can be plugged on the circuit board 2 by the grafting body.Such as, on a side of insulating body 41 face circuit board 2, bulge-structure is set, the sunk structure corresponding with bulge-structure is set on circuit board 2, this bulge-structure is plugged in the sunk structure, realize being fastenedly connected.Because bulge-structure can be integrally formed with insulating body, so not only guaranteed to be fastenedly connected, it is fairly simple to make that also technology realizes.Certainly, the setting that also can replace of above-mentioned said bulge-structure and sunk structure promptly is provided with sunk structure on insulating body 41, on circuit board 2 bulge-structure is set.Certainly, it will be understood by those skilled in the art that and on the said structure basis, make corresponding distortion and modification, all should cover within the protection range of this claim.Those skilled in the art also are to be understood that plug described in the utility model except that being applied to the LED lamp, can also be applied in other the light fixture connection, perhaps in other the electrical connection.
All design plug, the socket of simplifying at each LED lamp, wherein, socket is formed by an end of circuit board, need not additional designs, plug can be according to the situations such as length of use occasion as the parts that are provided with separately, and the LED lamp of pegging graft flexibly is to satisfy instructions for use, especially under the situation of the LED lamp that is equipped with the identical but discrepant two or more models of length of structure, can very accurately satisfy the length requirement of use occasion by pegging graft combination.The lamp band that a whole inserting forms only needs a power input socket, helps guaranteeing the cleaning of decoration occasions and has reduced the cost of line related input accessory extraly.
Figure 3 shows that the structure chart after the utility model LED lamp assembling, Fig. 4 (a) and Fig. 4 (b) assemble afterwards generalized section along the A-A direction for the utility model.As can be seen, plug 4 parts are in shell 1 from Fig. 4 (a) and Fig. 4 (b), and a part is stretched out the end of shell 1, and this extension is used for inserting socket 3, sets up the electrical connection of two LED lamps.Wherein, the length that plug 4 stretches out in an end of shell 1 can form the length of socket 3 smaller or equal to the LED lamp, be that the part that plug 4 stretches out LED lamp housing 1 is inserted in the socket 3 of another LED lamp fully, like this, two LED lamps are formed direct insertion connection, not only can change the plug of different length specification, reach the purpose that fine setting connects length, and the continuity of decorative effect is good, can not influence the whole structure of lamp.The plug that the LED lamp is simplified very much, jack design make the outward appearance of whole LED lamp not be subjected to the influence of two ends plug, socket completely, and not only pin is shorter more attractive in appearance, and make the LED lamp arrange that evenly, circuit connects safer.Certainly, the length that plug 4 stretches out in an end of shell 1 also can form the length of socket 3 greater than the LED lamp, and the part that plug 4 is exposed to outside the shell 1 is an insulating body 41.Such as exposing the direct socket insulator of part, perhaps directly on plug 4, form insulated part.The benefit of doing like this is when the needs trim lengths, just can adjust the length that two continuous LED lamps form as long as change the plug of different length.
Regular plug may cause plug to break down, and when breaking down, can only change plug, does not need to change the whole LED lamp, and it is convenient not only to change, and saves cost.In the plug of the present utility model connecting line is not set, does not need other accessory yet, can not cause plug unavailable because of the damage of connecting line, make that plug is in use safer, increase useful life.Above said connecting line situation about damaging such as being that connecting line fractures or not prison welding is leaned on etc.Plug design is small and exquisite, has advantage simple in structure, that production technology is simple and cost is low.Easy accessibility, need not other instruments can be finished by the ordinary people.
Disclosed shell in another preferred embodiment of the present utility model can be a plastic frame, also can be metal framework, or a part of for plastic frame another part is a metal framework, and radiating effect is better when adopting metal framework.Preferably, the inboard of two sidewalls of shell 1 is provided with first slot and second slot respectively, circuit board 2 is inserted in first slot and second slot, first slot and second slot can not be communicated with each other, promptly between first slot and second slot, form the space, certainly, first slot and second slot also can be communicated with, and form an integral body.The width that is formed by first slot and second slot is more than or equal to the width of circuit board 2, and the width that forms is that the top narrow lower portion is wide.Wherein, being directed upwardly of LED will be welded with on the circuit board 2, insert this circuit board, it is wide that first slot and second slot are set to the top narrow lower portion, the position nearer with the distance of the LED that welds on the circuit board is top, and circuit board is after wide place inserts like this, and the effect of chucking can be played by the narrow place on top, thereby under violent vibration, also can guarantee the stability of circuit board.Preferably, the inboard of two sidewalls of shell also is provided with the 3rd slot and the 4th slot that inserts lens, described the 3rd slot and the 4th slot are positioned at the top of first slot and second slot, be about to lens and be inserted in the circuit board top, be used to amplify light source, the length of lens can be identical with circuit board length.For lensed situation is installed, shell is not an one, can be that a part is a plastic casing for metal shell another part.
LED lamp of the present utility model can be according to the length to be decorated of use occasion, select the LED lamp inserting combination of suitable quantity and appropriate length specification for use, thereby reach no matter wait to decorate length and whether need turn round etc., all can only adopt simple inserting mode to finish easily.LED lamp through connecting is not only attractive in appearance, and no matter which splicing position comes off and all do not have the problem that exposes of live part in the use, thereby as safe as a house.