Summary of the invention
The present invention proposes plug and LED lamp, designs small and exquisitely, has advantage simple in structure, that production technology is simple and cost is low.
According to an aspect of the present invention, propose plug, comprise insulating body and metallic object, wherein: insulating body is provided with first groove and second groove; Metallic object comprises first metallic object and second metallic object; First metallic object comprises first main body and first kink, and first main body is stuck in first groove, wherein; One end of first main body stretches out in the edge of first groove; Be electrically connected with the strip metal paper tinsel formation that is provided with on the circuit board other end, the other end of first main body is connected with first kink, and first kink stretches out in first groove and is electrically connected with socket formation; Second metallic object comprises second main body and second kink; Second main body is stuck in second groove; Wherein, an end of second main body stretches out in the edge of second groove, forms with another strip metal paper tinsel that is provided with on the circuit board other end to be electrically connected; The other end of second main body is connected with second kink, and second kink stretches out in second groove and is electrically connected with socket formation.
Preferably; Between first groove and second groove, be the first side wall, the another side of first groove is second sidewall, and the another side of second groove is the 3rd sidewall; Have first sunk structure on the side of the first side wall, have second sunk structure on another side of the first side wall.
Preferably; First main body comprises first part, second part and the 3rd part that connects successively; The 3rd part with the width of the first kink link position width greater than first part, second part; Second main body comprises successively the 4th part, the 5th part and the 6th part that connects, the 6th part with the width of the second kink link position width greater than the 4th part, the 5th part.
Preferably, second part and the 5th part are the inclined plane structure with angle of inclination.
Preferably, have three sunk structure corresponding on second sidewall, have four sunk structure corresponding on the 3rd sidewall with second sunk structure with first sunk structure.
Preferably, first kink and second kink are the Elastic Contact terminal.
Preferably, the bending angle of first kink and second kink is less than 90 degree.
Preferably, the structure of blocking first part in first groove is first entity structure, and first alignment pin is set on first entity structure, passes first dowel hole that is arranged on first part through first alignment pin; The structure of blocking the 4th part in second groove is second entity structure, and second alignment pin is set on second entity structure, passes second dowel hole that is arranged on the 4th part through second alignment pin.
Preferably; The position that first part forms first dowel hole is first circular configuration; First circular configuration has first interior diameter and first overall diameter; First interior diameter is the diameter of the hollow space of insertion first dowel hole, and first overall diameter is and the diameter of the first part coupling part that first overall diameter is greater than the width of first part; The position that second part forms second dowel hole is second circular configuration; Second circular configuration has second interior diameter and second overall diameter; Second interior diameter is the diameter of the hollow space of insertion second dowel hole; Second overall diameter is and the diameter of the 4th part coupling part that second overall diameter is greater than the width of the 4th part.
Compared with prior art, the present invention has one of following at least advantage:
On each lamp main body, all be designed with plug, the socket of simplifying; Thereby can be according to the situation 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 through pegging graft combination.
Easy accessibility, need not other instruments can be accomplished by the ordinary people.
Through 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 receive 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.
Embodiment
A preferred embodiments of LED lamp of the present invention, as shown in the figure, wherein, Fig. 1 (a) is insulator structure figure of the present invention; Fig. 1 (b) is a metallic object structure chart of the present invention; Fig. 1 (c) is board structure of circuit figure of the present invention.Bar-shaped LED lamp comprise strip shell 1 (being shown among Fig. 4), be inserted to circuit board 2 in the shell, be welded with on the circuit board emitting led, be electrically connected metal formings and form sockets 3 (being shown among Fig. 4), be electrically connected metal formings and be connected with plug 4 (being shown among Fig. 4) through being arranged on the circuit board at least two through being arranged on the circuit board at least two at an end of circuit board at the other end of circuit board.
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 comprises insulating body 41 and metallic object 42, and the partial enlarged drawing of plug is shown in Fig. 2 (a) and Fig. 2 (b).Insulating body 41 is provided with first groove 414 and second groove 415 at least; Metallic object 42 has first metallic object and second metallic object at least; First metallic object comprises that first continuous main body and first kink, 424, the first main bodys are stuck in first groove 414, wherein; One end of first main body stretches out in the edge of first groove; Be electrically connected with the strip metal paper tinsel formation that is provided with on the circuit board other end, the other end of first main body is connected with first kink, and first kink stretches out in first groove 414 and is electrically connected with socket formation; Second metallic object comprises the second continuous main body and second kink 428; Second main body is stuck in second groove 415; Wherein, an end of second main body stretches out in the edge of second groove, forms with another strip metal paper tinsel that is provided with on the circuit board other end to be electrically connected; The other end of second main body is connected with second kink, and second kink stretches out in second groove 415 and is electrically connected with socket formation.Wherein, in metallic object and the circuit board ways of connecting, be example with first metallic object, when the first metallic object direction down, insulating body above first metallic object, being directed upwardly of the electrical connection metal forming of this moment on the circuit board.Otherwise when first metallic object is directed upwardly, insulating body is below first metallic object, and the direction of the electrical connection metal forming on this moment circuit board down.Wherein, metallic object is stuck in the groove and can realizes in the following manner, such as, be provided with in the sidewall of first groove or bottom and collude hanging hang structure, the free end of first kink is caught on, first metallic object is blocked.
Preferably, first kink and second kink are the Elastic Contact terminal.When pegging graft, can form more fastening connection like this.Certainly, also can not the Elastic Contact terminal.Preferably, the bending angle of first kink and second kink is less than 90 degree.The benefit of doing like this is, after plug is inserted into socket, receives external downward pressure and does the time spent, can form certain reaction force, prevents that two LED lamps from breaking off in the junction, guaranteed the tightness and the fail safe that connect.
Partial enlarged drawing below in conjunction with metallic object preferred embodiment among Fig. 3 describes its structure.Metallic object is the shape that similar fish hook shape or J remove top transverse part.
First metallic object comprises that first continuous main body and first kink, 424, the second metallic objects comprise the second continuous main body and second kink 428.First main body can comprise successively first part 421, second part 422 and the 3rd part 423 that connects; The 3rd part 423 is connected with first kink 424; Second main body can comprise that successively the 4th part 425, the 5th part 426 and the 6th part 427, the six parts 427 that connect are connected with second kink 428.
Preferably; First metallic object has the broad place, promptly the 3rd part with the width of the first kink link position width greater than first part, second part, second metallic object has the broad place; Promptly the 6th part with the width of the second kink link position width greater than the 4th part, the 5th part; The benefit of doing like this is not only to can be implemented in the junction and connect more reliably, in addition; After being inserted into first groove, second groove respectively, better snap action is played in the setting of the broad can be through here.
Preferably; First part 421, the 3rd part 423, the 4th part 425 and the 6th part 427 are for planar structure or be substantially planar structure, and second part 422 is to have the inclined plane structure at angle of inclination with the 5th part 426.Said angle of inclination is that example describes greater than 90 degree with first metallic object, and the second metallic object structure can be identical with first metallic object.The angle of first part 421 and second part 422 is greater than 90 degree, and the angle of second part 422 and the 3rd part 423 is greater than 90 degree.First part 421 and second part 422 are linked into an integrated entity; Thereby formed similar stair-stepping structure; Described stepped can be to have a plurality of ladders, a plurality of in addition ladders also can not be continuous rising shapes, as long as the whole angle of inclination that forms.Preferably, first groove is provided with first angle of inclination consistent with second part, and second groove is provided with second angle of inclination consistent with the 4th part.Preferably, first angle of inclination is consistent with second angle of inclination.
To specify the implementation that insulating body is provided with first groove and second groove below.The structure of first groove and second groove can be identical, is that example describes with first groove below.
Preferably, between first groove and second groove, be the first side wall, the another side of first groove is second sidewall, the another side of second groove is the 3rd sidewall.The first side wall, second sidewall, the 3rd sidewall are the insulation entity.Wherein, have first sunk structure on the side of the first side wall, have second sunk structure on another side of the first side wall.First groove has the width of broad in the position corresponding with first sunk structure, second groove has the width of broad in the position corresponding with second sunk structure.The benefit of doing like this is that first metallic object can penetrate its broad place and be stuck in first groove through the width of the broad of first sunk structure and the formation of second sunk structure.Not only can be easy to penetrate first metallic object, and since the width of other parts less than the width between first sunk structure and second sunk structure, so, get into position penetrating the back with narrower width, can play snap action.
Preferably, have three sunk structure corresponding on second sidewall, have four sunk structure corresponding on the 3rd sidewall with second sunk structure with first sunk structure.Also be to penetrate the broad place of first metallic object and second metallic object and play snap action in order to be easy to.
Preferably, as shown in Figure 5, the structure of blocking first part in first groove is first entity structure, and first alignment pin is set on first entity structure, passes first dowel hole that is arranged on first part through first alignment pin; The structure of blocking the 4th part in second groove is second entity structure, and second alignment pin is set on second entity structure, passes second dowel hole that is arranged on the 4th part through second alignment pin, realizes that the location locks.Preferably; The position that first part forms first dowel hole is first circular configuration; First circular configuration has first interior diameter and first overall diameter, and first interior diameter is the diameter of the hollow space that inserts first dowel hole, and first overall diameter is the diameter with the first part coupling part; Preferably, first overall diameter is greater than the width of first part; The position that second part forms second dowel hole is second circular configuration; Second circular configuration has second interior diameter and second overall diameter; Second interior diameter is the diameter of the hollow space of insertion second dowel hole; Second overall diameter is the diameter with the 4th part coupling part, and second overall diameter is greater than the width of the 4th part, guarantees in the junction of junction, second circular configuration and the 4th part of first circular configuration and first part not easy fracture like this.Preferably, the structure of blocking first part in first groove is set to the structure consistent with first circular configuration, and the structure of blocking the 4th part in first groove is set to the structure consistent with second circular configuration, realizes more firm chucking purpose.
Certainly, plug can also be connected through other modes with the other end of circuit board, such as, be fastenedly connected through connected structure.When connecting, can the insulating body of plug be plugged on the circuit board through connected structure.On a side of insulating body face circuit board, male structure is set, the recessed structure corresponding with male structure is set on circuit board, this male structure is plugged in the recessed structure, realize being fastenedly connected.Because male 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 male structure and recessed structure promptly is provided with recessed structure on insulating body, male structure is set on circuit board.Certainly, it will be understood by those skilled in the art that the other end of plug and circuit board can also be fastenedly connected through other modes, 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 according to the invention except that being applied to the LED lamp, can also be applied in other the light fixture connection, perhaps in other the electrical connection.
Describe in the face of the set groove of insulating body down.Be exemplary illustration below, should not be construed as limitation of the present invention.Such as; The upper surface of insulating body is provided with first groove and second groove; Be set to hollow at the lower surface of insulating body in the part between first groove and second groove, between first groove and second sidewall, between second groove and the 3rd sidewall; Can save cost, also can be so that technology realizes fairly simple.
For another example, can on the basis of said structure, make change, promptly only be set to hollow in lower surface and the 3rd part, part that the 6th part is corresponding, other parts of lower surface are entity, have guaranteed the solidness of insulating body like this.In addition, dig out first shrinkage pool corresponding with first groove in the entity part of lower surface, second shrinkage pool corresponding with second groove to save cost, can also guarantee certain solidness.In addition, can also form thickening layer in the entity part of lower surface, such as, in the position thickening corresponding with second part and the 5th part.
All be designed with 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 situation 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 through 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.
Shown in Figure 4 is LED lamp assembling of the present invention structure chart afterwards.As can be seen from Figure 4, plug 4 parts are in shell 1, 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, and promptly plug 4 part of stretching 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 receive 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.
In addition; In the time of within plug is arranged on shell, can also in the space between plug and the shell, insert plugging structure, can play a protective role to plug like this; The sketch map of the embodiment of concrete plugging structure is as shown in Figure 7, and the structural representation that plugging structure is inserted on the plug is as shown in Figure 8.This plugging structure has risers on the direction vertical with circuit board; Has the gap that coincide with shell shape on this risers; Owing on shell, have the slot that inserts circuit board and lens; Between the slot of slot that inserts circuit board and insertion lens, form gap, this risers just in time can be replenished this gap.This plugging structure also has the horizontal plane vertical with risers, and this horizontal plane has the structure of coincideing with plug, can be inserted in the space of plug.
Regular plug may cause plug to break down, and when breaking down, can only change plug, need not change the whole LED lamp, and it is convenient not only to change, and practices thrift cost.In the plug of the present invention 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 be connecting line fracture or weld not firm 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 accomplished by the ordinary people.
Disclosed shell in another preferred embodiment of the present invention, as shown in Figure 6, can be plastic frame, also can be metal framework, or a part of for plastic frame another part is a metal framework, 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, and circuit board 2 is inserted in first slot and second slot, and 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, with being welded with being directed upwardly of LED 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; With the nearer position of the distance of the LED that welds on the circuit board be top, circuit board is after wide place inserts like this, 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; Said 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 invention 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 accomplish 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.