Abstract:
The present invention disclosed a decorative lamp including a top base, a cover, a connecting device and an adjusting element. The connecting device is connected to a lamp base by a fixing ring element, and the lamp base can be moved pivotally, and the adjusting element is adjusted up and down to drive the fixing ring element to control the lamp base to be spread open, so as to achieve the effects of controlling a projection angle of the lamp source and improving an overall vivid variation.

Description:
BACKGROUND OF THE INVENTION 
       [0001]    (a) Field of the Invention 
         [0002]    The present invention relates to a lamp, in particular to a decorative lamp with the function of spreading open and closing a lamp base to control the projection angle of a light source of the lamp. 
         [0003]    (b) Description of the Related Art 
         [0004]    In general, a lamp plays an important role indispensable to our life. As our society becomes more prosperously in commercial and industrial areas, our living standard becomes increasingly higher, and people play more attention to their living quality and personal taste and want to have a nice and comfortable environment for taking rest and relieving pressure after work. Therefore, consumers would like to decorate their home appropriately regardless of a new house or an old house, and a decorative lamp or a hanging lamp is one of the best choices since it comes with diversified styles, not only providing illuminations, but also decorating the interior of a house to give an overall aesthetic visual effect. 
         [0005]    However, a conventional decorative lamp is mainly used for decoration, and thus the angle and position of the illumination are fixed, and the light for the illumination cannot be adjusted, and it is difficult to achieve the diversified aesthetic visual effects as well as the power-saving and environmental protection requirements Obviously, the conventional decorative lamp requires further improvements to achieve the aforementioned effects. 
       SUMMARY OF THE INVENTION 
       [0006]    It is a primary objective of the present invention to provide a decorative lamp comprising a top base with a joint as an end of the top base and a connecting end as another end of the top base, wherein the connecting end is a connecting rod connected to a cover, and the cover includes a plurality of first slots disposed at an external periphery of the cover, and the cover is installed onto a supporting decorative base, and a connecting device is installed between the cover and the supporting decorative base and composed of a fixing ring element and a plurality of lamp bases, and an adjusting element is passed through and installed to the supporting decorative base for fixing the fixing ring element simultaneously. The present invention is characterized in that the connecting device is connected to a lamp base by a fixing ring element, and the lamp base can be moved pivotally, and the adjusting element is provided for making up-and-down adjustment to drive the fixing ring element to control the lamp base to be spread open and closed, so as to achieve the effects of controlling the projection angle of a lamp source, and improving an overall vivid variation. In addition, an anion layer is coated onto or an anion generator is installed to the elements of the present invention, such that when an electric power is connected, anions are distributed in the air to achieve the effects of purifying the environment and taking care of our health concurrently. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0007]      FIG. 1  is a perspective view of a decorative lamp of the present invention; 
           [0008]      FIG. 2  is an exploded view of a decorative lamp in accordance with a first preferred embodiment of the present invention; 
           [0009]      FIG. 3  is a cross-sectional view of a decorative lamp in accordance with a first preferred embodiment of the present invention; 
           [0010]      FIG. 4  is a cross-sectional view of a portion of a decorative lamp in accordance with a first preferred embodiment of the present invention; 
           [0011]      FIG. 5  is a cross-sectional view of another portion of a decorative lamp in accordance with a first preferred embodiment of the present invention; 
           [0012]      FIG. 6  is an exploded view of a decorative lamp in accordance with a second preferred embodiment of the present invention; 
           [0013]      FIG. 7  is a cross-sectional view of a decorative lamp in accordance with a second preferred embodiment of the present invention; 
           [0014]      FIG. 8  is a cross-sectional view of a portion of a decorative lamp in accordance with a second preferred embodiment of the present invention; 
           [0015]      FIG. 9  is a cross-sectional view of another portion of a decorative lamp in accordance with a second preferred embodiment of the present invention; 
           [0016]      FIG. 10  is a schematic view of a decorative lamp in accordance with a third preferred embodiment of the present invention; and 
           [0017]      FIG. 11  is another schematic view of a decorative lamp in accordance with a third preferred embodiment of the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
       [0018]    With reference to  FIGS. 1 and 2  for a decorative lamp of the present invention, the decorative lamp comprises a top base  10  with a joint as an end and a connecting end as another end, and the connecting end is a connecting rod  11  connected to a cover  20 , and the cover  20  includes a plurality of first slots  21  disposed at the external periphery of the cover  20 , and the cover  20  is installed onto a supporting decorative base  30 , and a connecting device  40  is installed between the cover  20  and the supporting decorative base  30 , and the connecting device  40  is composed of a fixing ring element  41  and a plurality of lamp bases  42 , and each lamp base  42  includes an extending element  421  connected to the fixing ring element  41 . In addition, the supporting decorative base  30  is passed by an adjusting element  50 , and the adjusting element  50  is fixed to the fixing ring element  41 . 
         [0019]    With reference to  FIG. 3  for a decorative lamp in accordance with a first preferred embodiment of the present invention, the connecting device  40  is connected to a lamp base  42  by a fixing ring element  41 , and the lamp base  42  can be moved pivotally, and the adjusting element  50  can be moved up and down to drive the fixing ring element  41  to control the lamp base  42  to be spread open or closed. 
         [0020]    The joint of the top base  10  can be a top portion  12 , and the top portion  12  can be fixed by a screw or attached, and the top base  10  can be a hollow body having a stabilizer installed therein, and the connecting rod  11  is connected to the cover  20 , and the bottom of the cover  20  is connected to the supporting decorative base  30  by a hook, a latch or a screw. 
         [0021]    With reference to  FIG. 4  for the connection relations between the fixing ring element and the lamp base as follows: 
         [0022]    Method 1: The fixing ring element  41  includes a plurality of support frames  412 , each having a through hole  411 , and two support frames  412  are grouped as a set and installed separately on both sides of the extending element  421  of the lamp base  42 , and the tenon hole  422  of the extending element  421  is installed axially with the through hole  411 , and the lamp base  42  is rotated by using the tenon hole  422  as an axial center. 
         [0023]    Method 2: The fixing ring element  41  includes a plurality of support frames  412 , each having a through hole  411  disposed at a position opposite to the first slot  21 , and the support frame  412  is installed on a side of the extending element  421 , and the through hole  411  and the tenon hole  422  are connected axially with a one-way spring, and the lamp base  42  is rotated by using the tenon hole  422  as the axial center. 
         [0024]    The lamp base  42  can be spread open and closed by the following mechanical methods: 
         [0025]    Method 1: The adjusting element  50  includes an external thread  51  at an end of the adjusting element, and the supporting decorative base  30  includes a control element  31  having a penetrating internal thread  311 , and the adjusting element  50  is locked with the supporting decorative base  30 , such that when the adjusting element  50  is rotated, the control element is moved up and down to drive the fixing ring element  41  to control the lamp base  42  to be closed and spread open. 
         [0026]    Method 2: The adjusting element  50  includes a protruded ring  52  as shown in  FIG. 5 , and the supporting decorative base  30  includes a control element  31  having a long penetrating long, and the control element  31  includes a plurality of circular grooves  312 , and the adjusting element  50  and the supporting decorative base  30  are latched, such that when the adjusting element  50  is pulled up and down, the protruded ring  52  is latched at the position of the circular groove  312  to drive the fixing ring element  41  to control the lamp base  42  to be closed and spread open. 
         [0027]    With reference to  FIG. 6  for a decorative lamp in accordance with a second preferred embodiment of the present invention, the decorative lamp includes a top base  10  which is a hollow body, and composed of a top portion  12  and a cylindrical connecting rod  11 , and the connecting rod  11  includes a hook  111  connected with a protruded rib  22  of a one-way open groove of the cover  20 , and the cover  20  has a penetrating hole and a plurality of first slots  21  disposed at an external periphery of the cover  20 , while the cover  20  is locked with a latch member  32  of the supporting decorative base  30 , and the supporting decorative base  30  includes a second slot  33  disposed opposite to the first slot  21 . In addition, a connecting device  40  is installed between the cover  20  and the supporting decorative base  30 , and the connecting device  40  is composed of a fixing ring element  41 , a pivoting element  43  and a plurality of lamp bases  42 , and the lamp base  42  includes an extending element and an adjusting element  50  is passed through the supporting decorative base  30  and fixed to the fixing ring element  41 . With reference to  FIG. 7  for a decorative lamp in accordance with a second preferred embodiment of the present invention, the connecting device  40  is connected to a lamp base  42  by a fixing ring element  41  and a pivoting element  43 , such that the lamp base  42  can be moved pivotally, and the adjusting element  50  is moved up and down to drive the fixing ring element  41  to control the lamp base  42  to be spread open. 
         [0028]    With reference to  FIG. 8  for the connection relations among the fixing ring element, the pivoting element and the lamp base, they are connected by the following methods: 
         [0029]    Method 1: The fixing ring element  41  includes a plurality of support frames  412 , each having a through hole  411 , and two support frames  412  are grouped as a set and installed at a protrusion  423  which is situated separately on both sides of the extending element  421  of the lamp base  42 , and the through hole  411  is latched with the protrusion  423  to fix a lamp set  42 , and the tenon hole  422  of the open accommodating groove of the extending element  412  is connected axially with a slide slot  432  of the pivotal support frame  431  of the pivoting element  43 , and the lamp base  42  is rotated by using the tenon hole  422  as the axial center. 
         [0030]    Method 2: The fixing ring element  41  includes a plurality of support frames  412  each having a through hole  411 , and two support frame  412  are grouped as a set, and installed at a protrusion  423  which is separately situated on both sides of the extending element  421  of the lamp base  42 , and the through hole  411  is latched with the protrusion  423  to fix the lamp base  42 . In addition, the penetrating tenon hole  422  of the extending element  421  and the slide slot  432  of the pivotal support frame  431  of the pivoting element  43  are installed axially with a one-way spring, and the lamp base  42  slides back and forth in the slide slot  432 , and the lamp base  42  is rotated by using the tenon hole  422  as the axial center. 
         [0031]    The lamp base  42  can be spread open and closed by the following mechanical methods: 
         [0032]    Method 1: The adjusting element  50  has an external thread  51  at an end of the adjusting element  50 , and the supporting decorative base  30  includes a control element  31  having a penetrating internal thread  311 , and the adjusting element  50  is locked with the supporting decorative base  30 , such that when the adjusting element  50  is rotated, the control element  31  is moved up and down to drive the fixing ring element  41  and the pivoting element  43  to control the lamp base  42  to be closed and spread open. 
         [0033]    Method 2: The adjusting element  50  as shown in  FIG. 9  includes a protruded ring  52 , and the supporting decorative base  30  includes a control element  31  having a long penetrating hole, and the control element  31  includes a plurality of circular grooves  312 , and the adjusting element  50  is latched with the supporting decorative base  30 , such that when the adjusting element  50  is pulled up and down, the protruded ring  52  is latched at the position of the circular groove  312  to drive the fixing ring element  41  and the pivoting element  43  to control the lamp base  42  to be closed and spread open. 
         [0034]    With reference to  FIG. 10  for a decorative lamp in accordance with a third preferred embodiment of the present invention, the lamp base is a lamp source, which can be a general lamp or an LED lamp, and the periphery of the lamp base has a plurality of light emitting diodes  60  used for an illumination at nighttime, and the light emitting diode can be a white light, blue light, yellow light or red light for improving the aesthetic atmosphere of the present invention. 
         [0035]    With reference to  FIG. 11  for a decorative lamp in accordance with a fourth preferred embodiment of the present invention, the lamp base is a lamp source, and the lamp source can be a general lamp or an LED lamp, and the periphery of the lamp base has a plurality of light emitting diodes  60  used for an illumination at nighttime, and the light emitting diode can be a white light, blue light, yellow light or red light for improving the aesthetic atmosphere of the present invention. 
         [0036]    The top base can be a hollow body, and the hollow body includes a stabilizer installed therein. 
         [0037]    In the present invention, the top base, the cover, the supporting decorative base, the connecting device and the adjusting element are coated with an anion layer or installed with an anion generator, such that when an electric power is connected, anions are distributed in the air to achieve the effects of purifying the environment and taking care of our health concurrently. 
         [0038]    The present invention improves over the prior art and complies with the patent application requirements, and thus is duly filed for patent applications. While the invention has been described by means of specific embodiments, numerous modifications and variations could be made thereto by those skilled in the art without departing from the scope and spirit of the invention set forth in the claims.