Focusable projection lamp

The invention relates to the technical field of illumination lamps, in particular to a focusable projection lamp, which comprises a casing, wherein the upper end of the casing is provided with an opening, a light source plate, a luminous light source and a reflecting cup are arranged in the casing,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	XIE JINGSEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to the technical field of illumination lamps, in particular to a focusable projection lamp, which comprises a casing, wherein the upper end of the casing is provided with an opening, a light source plate, a luminous light source and a reflecting cup are arranged in the casing, the bottom of the casing is provided with a tubular connecting part, the light source plate and the connecting part are connected through a focus regulating device capable of driving the light source plate to do ascending and descending movement, the focus regulating device comprises a heat radiator and a rotating sleeve, the inner side of the rotating sleeve is provided with a position limiting part for limiting the relative axial movement of the rotating sleeve and the heat radiator, the position limiting part is connected with the heat radiator, the upper end of the rotating sleeve is provided with a jacking inclined surface, the lower end of the connecting part is provided with a corresponding inclined surface