Patent Publication Number: US-11029005-B1

Title: Lighting fixture assembled and disassembled quickly

Description:
BACKGROUND OF THE INVENTION 
     1. Field of the Invention 
     The present invention relates to an illuminating apparatus and, more particularly, to a lighting fixture for a ceiling lamp. 
     2. Description of the Related Art 
     A conventional ceiling lamp comprises a first connecting module and a second connecting module. The first connecting module is secured to the ceiling. The second connecting module is secured to a lighting module. The second connecting module is combined with the first connecting module, to attach the lighting module to the ceiling. However, the second connecting module is combined with the first connecting module by soldering or screwing, such that the second connecting module cannot be detached from the first connecting module easily and conveniently, thereby causing inconvenience to the user when having to replace the lighting module. 
     BRIEF SUMMARY OF THE INVENTION 
     The primary objective of the present invention is to provide a lighting fixture that is assembled and disassembled quickly. 
     In accordance with the present invention, there is provided a lighting fixture comprising a top plate, a crossbeam, a lamp body, and a connecting member. The crossbeam is mounted on the top plate and includes a support portion and two fixed portions. The support portion is arranged between the two fixed portions and has two abutting sections. Each of the two abutting sections extends upward from the support portion. The connecting member is mounted on the lamp body and is detachably connected with the crossbeam, such that the lamp body is attached to the crossbeam by the connecting member. The connecting member includes two locking portions. Each of the two locking portions has a middle formed with a clamping section. The clamping section is bent inward. Each of the two locking portions is formed with a retaining section located under the clamping section. The retaining section is bent outward. When the connecting member is pushed toward the crossbeam, the support portion of the crossbeam passes the clamping section of the connecting member, and each of the two abutting sections is locked into and retained by the respective retaining section of the connecting member. 
     According to the primary advantage of the present invention, the connecting member is locked onto or unlocked from the crossbeam easily and quickly, such that the lamp body is mounted on or detached from the top plate conveniently, thereby facilitating the user mounting or replacing the lamp body. 
     Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings. 
    
    
     
       BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING(S) 
         FIG. 1  is a partial perspective view of a lighting fixture in accordance with the preferred embodiment of the present invention. 
         FIG. 2  is a partial exploded perspective view of the lighting fixture in accordance with the preferred embodiment of the present invention. 
         FIG. 3  is a locally enlarged view of the lighting fixture as shown in  FIG. 2 . 
         FIG. 4  is another locally enlarged view of the lighting fixture as shown in  FIG. 2 . 
     
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     Referring to  FIGS. 1-4 , a lighting fixture in accordance with the preferred embodiment of the present invention comprises a top plate  40 , a crossbeam (or support plate or transverse piece)  30 , a lamp body  10 , and a connecting member  20 . 
     The crossbeam  30  is transversely mounted on the top plate  40  and includes a support portion  31  and two fixed portions  32 . The support portion  31  is arranged between the two fixed portions  32  and has two abutting sections  34 . Each of the two abutting sections  34  extends upward from the support portion  31 . 
     The connecting member  20  is mounted on the lamp body  10  and is detachably connected with the crossbeam  30 , such that the lamp body  10  is attached to the crossbeam  30  by the connecting member  20 . The connecting member  20  includes two locking portions  23 . Each of the two locking portions  23  has a middle formed with a clamping section  24 . The clamping section  24  is bent inward. Each of the two locking portions  23  is formed with a retaining section  231  located under the clamping section  24 . The retaining section  231  is bent outward and forms an opening. 
     In practice, when the connecting member  20  is pushed toward the crossbeam  30 , the support portion  31  of the crossbeam  30  passes the clamping section  24  of the connecting member  20 , and each of the two abutting sections  34  is locked into and retained by the respective retaining section  231  of the connecting member  20 , such that the connecting member  20  is locked onto the crossbeam  30 . 
     In the preferred embodiment of the present invention, the top plate  40  includes a main portion  41  and two ears  42 . Each of the two ears  42  is bent and extends inward from a periphery of the top plate  40 . Each of the two ears  42  is provided with a mounting hole  43 . Each of the two fixed portions  32  is provided with a locking slot  321 . The lighting fixture further comprises two fastening members  44  each extending through the locking slot  321  of each of the two fixed portions  32  and each secured in the mounting hole  43  of each of the two ears  42 , to attach the crossbeam  30  to the top plate  40 . Preferably, the mounting hole  43  of each of the two ears  42  is a screw hole, and each of the two fastening members  44  is a screw. 
     In the preferred embodiment of the present invention, the support portion  31  is located between the two ears  42 . 
     In the preferred embodiment of the present invention, the support portion  31  has two sides each having a middle formed with a groove  33 , and each of the two abutting sections  34  extends upward from a bottom of the respective groove  33 . Thus, the width of the crossbeam  30  is reduced by provision of the groove  33 . 
     In the preferred embodiment of the present invention, the connecting member  20  includes a first securing portion  21  and two second securing portion  22 . The first securing portion  21  is located between the two second securing portion  22 . 
     In the preferred embodiment of the present invention, each of the two second securing portion  22  has a first end connected with the first securing portion  21  and a second end connected with one of the two locking portions  23 . The second end of each of the two second securing portion  22  has an arcuate shape and extends upward. Each of the two locking portions  23  has a first end connected with one of the two second securing portion  22  and an arcuate second end that is bent and extends outward. 
     In the preferred embodiment of the present invention, the lighting fixture further comprises a plurality of fasteners  50  extending through the connecting member  20  and secured in the lamp body  10  to attach the connecting member  20  to the lamp body  10 . The first securing portion  21  is provided with a first through hole  211  allowing passage of one of the fasteners  50 . Each of the two second securing portion  22  is provided with a second through hole  221  allowing passage of one of the fasteners  50 . 
     In the preferred embodiment of the present invention, the first securing portion  21  has two arcuate ends each extending downward and each connected with one of the two second securing portion  22 . The first securing portion  21  has a bottom provided with an evading space or a receiving space. 
     In the preferred embodiment of the present invention, the support portion  31  has an inverted U-shaped configuration, and a height differential is defined between the support portion  31  and each of the two fixed portions  32 . 
     In the preferred embodiment of the present invention, the connecting member  20  is made of a metallic piece with greater elasticity. 
     In assembly, the crossbeam  30  is mounted on the top plate  40 , with the support portion  31  being located between the two ears  42 , and with the two fixed portions  32  aligning with the two ears  42 . At this time, the locking slot  321  of each of the two fixed portions  32  and each secured in the mounting hole  43  of each of the two ears  42 . Then, each of the two fastening members  44  extends through the locking slot  321  of each of the two fixed portions  32  and screwed into the mounting hole  43  of each of the two ears  42 , to affix the crossbeam  30  to the top plate  40 . On the other hand, the connecting member  20  is mounted on the lamp body  10 . Then, the fasteners  50  extend through the first through hole  211  and the second through hole  221  and are screwed into the lamp body  10 , to affix the connecting member  20  to the lamp body  10 . When the lamp body  10  is pushed upward toward the top plate  40 , the connecting member  20  is pushed to press the crossbeam  30 . In such a manner, the two locking portions  23  are pressed by the two abutting sections  34  and are expanded outward to produce a restoring force. After the support portion  31  passes the clamping section  24  of each of the two locking portions  23 , the two locking portions  23  are contracted inward by the restoring force, such that each of the two abutting sections  34  is locked into and retained by the respective retaining section  231  of the connecting member  20 . Thus, the connecting member  20  is locked onto the crossbeam  30  to attach the lamp body  10  to the crossbeam  30 . 
     On the contrary, when the lamp body  10  is pulled away from the top plate  40 , the connecting member  20  is pulled away from the crossbeam  30 . In such a manner, the two locking portions  23  are pressed by the two abutting sections  34  and are expanded outward such that each of the two abutting sections  34  is released from the respective retaining section  231  of the connecting member  20 , and the support portion  31  passes the clamping section  24  of each of the two locking portions  23 , to detach the connecting member  20  from the crossbeam  30 . Thus, the connecting member  20  is unlocked from the crossbeam  30  to detach the lamp body  10  from the crossbeam  30 . 
     Accordingly, the connecting member  20  is locked onto or unlocked from the crossbeam  30  easily and quickly, such that the lamp body  10  is mounted on or detached from the top plate  40  conveniently, thereby facilitating the user mounting or replacing the lamp body  10 . 
     Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the scope of the invention.