Patent Publication Number: US-11644233-B2

Title: Refrigerator supporting rod for installing lighting device

Description:
RELATED APPLICATION 
     This application claims priority to Chinese Patent Application No. CN 202110568014.3, filed on May 24, 2021, the entire specification of which is incorporated herein by reference. 
     FIELD OF THE TECHNOLOGY 
     The present invention relates to a freezer and refrigerator illumination, particularly a refrigerator supporting rod for installing lighting device. 
     BACKGROUND 
     For a freezer with a transparent exhibition door made from a transparent plate, a lighting device is generally installed inside and on a supporting rod attached to the frame of the freezer for illumination. 
     At present, the lamp for freezer lighting is usually mounted on the inner surface of the supporting rod, which is prone to collision during use, thus damaging the lamp. 
     BRIEF SUMMARY OF THE INVENTION 
     In view of this, the present invention provides a refrigerator supporting rod for installing lighting device to solve the above technical problems. 
     A refrigerator supporting rod for installing lighting device includes a rod body, and the rod body includes a inner side surface facing toward the refrigerator and a outer side surface back toward the refrigerator, a heat insulating layer is provided between the inner side surface and the outer side surface, the inner side surface is provided with a lamp mounting groove extending in the longitudinal direction. 
     Both sides of the top surface of the lamp mounting groove are reflective surfaces. 
     The reflective surface is white. 
     The rod body is manufactured by extrusion, and the reflective surface is manufactured by two-color extrusion. 
     The lamp mounting groove is provided with at least two intervals distributed lamp buckles. 
     The outer side surface is provided with a heating module extending in the longitudinal direction. 
     The heating module comprises a thermal wire installed in the longitudinal direction and a heat conductive plate connected to the outer side surface. 
     The heat conductive plate is a U profile, and ends of the two sides of the U profile is bent inward, and the outer side surface is provided with two strip groove supporting both sides of the U profile. 
     The rod body is a hollow structure, the heat insulating layer is made of heat insulating material filled in the hollow structure. 
     The insulating material is polyurethane. 
     The technical effects of the present invention: 
     The present invention is used to mount the refrigerator supporting rod for mounting the lighting device, which can be embedded in the lamp, so that the two are integrated, reducing the charging time of the lamp, reducing damage, and a reflective surface is provided in the cold cabinet support rod, which can better utilize the stray light of the lamp, improve efficiency and the lighting effect, and improve anti-glare effects. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       Embodiments of the present invention will be described below with reference to the drawings, in which: 
         FIG.  1    is a structural diagram of the refrigerator support rod (without the lamp) for mounting the lighting device of the present embodiment. 
         FIG.  2    is a structural diagram of the refrigerator support rod (with lamp) for mounting the lighting device of the present embodiment. 
         FIG.  3    is an explosion diagram of the refrigerator support rod (with lamp) for mounting the lighting device of the present embodiment. 
         FIG.  4    is a cross-sectional view of the refrigerator support rod (with lamp) for mounting the lighting device of the present embodiment. 
     
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the protection scope of the present invention. 
     As shown in  FIGS.  1 - 4   , the refrigerator supporting rod for installing lighting device includes a rod body  100 , and the rod body  100  includes an inner side surface  101  facing toward the refrigerator and an outer side surface  102  back toward the refrigerator, a heat insulating layer  200  is provided between the inner side surface  101  and the outer side surface  102 , and the inner side surface  101  is provided with a lamp mounting groove  104  extending in the longitudinal direction. 
     When the refrigerator is mounted, the inner side surface  101  of the refrigerator support rod in the present embodiment faces the inside of the refrigerator, and the outer side surface  102  faces the outside of the refrigerator, and the refrigerator supporting rod can be vertically disposed, or be arranged laterally. The inner side surface  101  of the refrigerator supporting rod in the present embodiment is equipped with a lamp. 
     The lamp mounting groove  104  can be used for recessed installation of a lamp for refrigerator illumination, reducing the contact with the lamp, reducing damage. 
     In order to facilitate the connection to the external power source, one end of the rod body  100  is provided with a wiring module  700 , including an end cap  701 , an external plug  702  disposed in the end cap  701  and a plug  703  connected with to the external plug  702  and being electrically connected to the lamp. 
     In order to improve the efficiency, the effect of preventing glare, in this embodiment, both sides of the top surface of the lamp mounting groove  104  are reflective surfaces  105  that expand outwardly. Outer expansion means that the diameter is gradually increased, and can be a flat surface or a curved surface. In this embodiment, the reflective surface  105  is a straight inclined surface. Further, the reflective surface  105  is white. In this embodiment, the rod body  100  generally uses a plastic having certain strength, manufactured by extrusion, so the reflective surface  105  is a better choice for white plastic, facilitating material and manufacturing. Further, the rod body  100  is manufactured by extrusion, and the reflective surface  105  is manufactured by two-color extrusion. The arrangement of the reflective surface  105  can not only utilize the pneumatic light of the lamp, but also improve the light efficiency and the lighting effect, and the applicable lamps of the present invention are large angular light, which has the effect of sweeping. It will produce glare in a wide range, and the setting of the reflective surface  105  can reduce glare. Further, the reflector surface  105  is set symmetrically. The included angle between the reflector surface  105  and the depth direction of the lamp mounting groove  104  is 75°, but can be selected in the range of 60° to 85°. The reflective surfaces have an eave extending over the mounting groove. 
     In order to facilitate mounting and disassembly, in this embodiment, the lamp mounting groove  104  is provided with at least two intervals distributed lamp buckle  300 . The lamp buckle  300  is a curved U-shaped spring and has a main surface and two side surfaces. The lower edge of the reflective surface  105  extends to form a card edge, and both side surfaces of the lamp buckle  300  abuts the card edge to achieve a fixation, and each side surface of the U-shaped spring is provided with two clamping parts  301  that protrude toward the opposing side surface. The side surfaces abut against the eaves on the reflective surfaces and the clamping parts cooperate with the card slot  601  of the lamp  600  to achieve fixing. 
     This embodiment is used to fit with the opening and closing refrigerator door, the outer side surface  102  is provided with a heating module  400  extending in the longitudinal direction. The outer side surface  102  is fitted with the gate, and the heating module  400  operates to prevent water mist on the door. Further, the heating module  400  includes a thermal wire  401  that is laid in the longitudinal direction and a heat conductive plate  402  connected to the outer side surface  102 . The heat conductive plate  402  uses a ferroelectric material and can play the role of support. In order to increase the intensity of the heat conductive plate  402 , the heat conductive plate  402  is a U-profile, and the end of the two sides of the U-profile is bent inward, and the outer side surface  102  is provided with two strip grooves  1021  supporting two sides of the U-profile. 
     In order to increase the heat insulating effect, the rod body  100  is a hollow structure, and the heat insulating layer  200  is made of heat insulating material filled in the hollow structure. Further preferred, the heat insulating material is polyurethane, the price is inexpensive, and the material is easy to obtain. With the arrangement of the strip groove  1021  and the lamp mounting groove  104 , the rod body  100  has a lot of concave structures, so that the internal volume is small, thereby reducing the use of the heat insulating material, reducing manufacturing cost. 
     The above are only preferred embodiments of the present invention, and are not used to limit the protection scope of the present invention. Any modification, equivalent replacement or improvement within the spirit of the present invention is covered by the scope of the claims of the present invention.