Optically focused adjustment type LED torch
Technical field
The utility model relates to a kind of LED lamp, relates in particular to a kind of optically focused adjustment type LED torch.
Background technology
In recent years, the cost of illuminating LED lamp consumptive material reduces gradually, its performance is further developed, compare in various aspects such as service life, start-up time, stability, safety, environmental protection and all there is advantage with conventional light source, be therefore widely used and replaced conventional light source completely in indivedual lighting fields.In prior art, flashlight is by regulating the position relationship of bulb and approximate circle taper reflective surface to adjust light source focal length, and after adopting LED lamp as flashlight light source, because the light source characteristic of LED lamp becomes multiple spot array light source or planar light source, after regulating the technology of light source focal length to be applied to again LED lamp in prior art, just lost efficacy, therefore, multiple spot array LED light source or planar LED light source need a kind of brand-new focus adjustment technical scheme.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, and a kind of optically focused adjustment type LED torch simple in structure is provided.
For achieving the above object, the technical solution adopted in the utility model is: a kind of optically focused adjustment type LED torch, comprise: lamp holder and handle that one connects, in described lamp holder, be provided with power supply and radiator, it is characterized in that, described lamp base front end is provided with flexible chip, described flexible chip outer surface is placed with several LED lamps, described flexible chip inner surface center is provided with connection button, described connection button is flexibly connected with the L font pull bar that is arranged on described handle inside, and described flexible chip is circumferentially fixedly connected on described lamp holder inwall.
In preferred embodiment of the utility model, described flexible chip is circular planar structure, and described flexible chip can be become to inwardly concave or outwardly globoidal structure by described connection button push-and-pull.
In preferred embodiment of the utility model, described handle outside is provided with shift knob and push-pull button, and described push-pull button is arranged in the chute of described handle outer surface.
In preferred embodiment of the utility model, the free end spiral of the longer portion of described pull bar connects described connection button, and the free end of the shorter portion of described pull bar is fixedly connected with described push-pull button.
In preferred embodiment of the utility model, the longer portion of described pull bar is perpendicular to described flexible chip surface.
In preferred embodiment of the utility model, described lamp base front end is also provided with the Transparent lamp shade that covers described flexible chip.
In preferred embodiment of the utility model, described power supply, described shift knob and described flexible chip are electrically connected to successively.
The utility model has solved the defect existing in background technology, the utility model utilizes the flexural property of flexible chip, the pull bar of L font is arranged on to flexible chip middle part, after push-and-pull pull bar, several LED lamps on flexible chip are followed flexible chip deformation occurrence positions and are changed, when flexible chip forms different arcuate structures, the focusing situation of torch also can change at any time, uses flexibly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the perspective view of preferred embodiment of the present utility model;
Fig. 2 is the flexible chip of preferred embodiment of the present utility model and the structural representation of pull bar;
Fig. 3 is that the flexible chip of preferred embodiment of the present utility model keeps straight structural representation;
Fig. 4 is the outwardly structural representation of the flexible chip of preferred embodiment of the present utility model;
Fig. 5 is the structural representation that the flexible chip of preferred embodiment of the present utility model inwardly concaves;
In figure: 1, lamp holder, 2, handle, 3, flexible chip, 4, LED lamp, 5, connection button, 6, pull bar, 7, shift knob, 8, push-pull button, 9, chute.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As Figure 1-5, a kind of optically focused adjustment type LED torch, comprise: lamp holder 1 and handle 2 that one connects, in lamp holder 1, be provided with power supply and radiator, lamp holder 1 front end is provided with flexible chip 3, flexible chip 3 outer surfaces are placed with several LED lamps 4, flexible chip 3 inner surface centers are provided with connection button 5, connection button 5 is flexibly connected with the L font pull bar 6 that is arranged on handle 2 inside, flexible chip 3 is circumferentially fixedly connected on lamp holder 1 front end on lamp holder 1 inwall and is also provided with the Transparent lamp shade that covers flexible chip 3, and power supply, shift knob 7 and flexible chip 3 are electrically connected to successively.
The utility model preferred flexible chip 3 is circular planar structure, and flexible chip 3 can be connected button 5 push-and-pulls and become to inwardly concave or outwardly globoidal structure.
Handle 2 outsides are provided with shift knob 5 and push-pull button 8, and push-pull button 8 is arranged in the chute of handle 2 outer surfaces 9.Chute 9 can with how can buckle structure, push-pull button 8 can move when being enforced by user between several buckles, can conveniently lock like this or the position of mobile pull bar 6.
The free end spiral of pull bar 6 longer portions connects connection button 5, and the free end of pull bar 6 shorter portions is fixedly connected with push-pull button 8, and the longer portion of pull bar 6 is perpendicular to flexible chip 3 surfaces.
The utility model in use, as in Figure 3-5, Push switch button 7, power supply is to flexible chip 3 power supplies, LED lamp 4 lights, during beginning, flexible chip 3 is straightened condition, pulls push-pull button 8, make flexible chip 3 inwardly concave certain distance, the light that the LED lamp 4 distributing on flexible chip 3 sends focuses in lamp holder 1 the place ahead, changes recessed degree, and the position of focusing also can change thereupon; In like manner promote push-pull button, make flexible chip 3 to projecting inward certain distance, the light that the LED lamp 4 distributing on flexible chip 3 sends scatters in lamp holder 1 the place ahead, changes the degree of protruding, and the degree of scattering also can change thereupon.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, related personnel can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on description, must determine technical scope according to claim scope.