Patent Publication Number: US-11041613-B1

Title: Ceiling lamp

Description:
CROSS-REFERENCE TO RELATED APPLICATION 
     This application is the International Application No. PCT/CN2018/095168 for entry into US national phase, with an international filing date of Jul. 10, 2018 designating the U.S., now pending, and claims priority benefits to Chinese Patent Application No. 201820856804.5, filed on Jun. 1, 2018, the contents of which being incorporated herein by reference. 
     TECHNICAL FIELD 
     The present application relates to the technical field of lighting, and more particularly to a ceiling lamp. 
     BACKGROUND 
     At present, the ceiling lamps in the current market are mainly classified according to the installation methods thereof mainly as the following two: 
     1. A structure consists of a full-gloss plastic cover and a metal base, the structure is generally provided with a plastic hook or a metal clamping point on the metal base, when installing, the metal base is first screwed to the ceiling, and then the lamp cover is connected to the plastic hook or the metal clamping point on the metal base in a screwing manner. However, using this way, since the lamp cover is separated from the base during installation, the installation of a user is inconvenient, and the installation by the user cannot be ensured that the lamp cover can be mounted in place, and it is easy to enter dust or mosquitoes, thereby affecting the light-emitting effect. 
     2. It consists of a lamp body and a mounting plate, and the lamp body is provided with a spring clip for connected with the mounting plate; in this way, only the artificial shaking can be used to initially determine the effect of the installation, and it is impossible to accurately confirm whether the installation is in place, and it is a risk of improper installation and misassembly. 
     SUMMARY 
     An object of the present application is to provide a ceiling lamp, in order to solve the technical problem that the existing ceiling lamp is easy to enter dust or mosquitoes, the installation by user is inconvenient, and it is impossible to directly confirm whether the installation of the lamp body is in place and resulting in risk of improper installation. 
     In order to achieve above object, the technical solution adopt in the present application is provided a ceiling lamp, including: a lamp body, a mounting plate, a lighting module and a driving power supply electrically connected with the lighting module, the lighting module and the driving power supply are both disposed in the lamp body, the lamp body is detachably screwed to the mounting plate; the ceiling lamp further comprises a screwing assembly configured to detachably fix the lamp body to the mounting plate in a screwing manner, the screwing assembly includes an engagement module disposed on the mounting plate and configured to be electrically connected with the mains electricity, and a snap-fit module disposed at the lamp body and configured to be electrically connected with the driving power supply, the snap-fit module is configured to be screwed into snap-fit with the engagement module in a screwing manner to form an electrical connection. 
     Further, the engagement module comprises a mounting seat disposed at an inner side wall of the mounting plate, and a conductive piece disposed in the mounting seat and configured to be electrically connected with the mains electricity, the mounting seat is provided with a slot; the snap-fit module includes a bracket disposed at the lamp body and a tongue mounted at the bracket and electrically connected to the driving power supply, the tongue is a conductive member, the tongue is connected with the slot in a screwing manner, and the tongue is in contact with the conductive piece. 
     Further, the lamp body is provided with a positioning hole, the mounting plate is provided with a positioning shaft configured for fitting and positioning the positioning hole such that the lamp body always rotates around the center axis of the lamp body during a screwing process. 
     Further, two ends of the conductive piece integrally extend with an elastic arm, respectively, a connecting opening is formed between the elastic arms of the two ends of the conductive piece and configured to cooperate with the tongue, the tongue is inserted into the connecting opening to be fixed, and the tongue is electrically connected with the elastic arms. 
     Further, the mounting seat is provided with cavity, and the conductive piece is mounted in the cavity, and the slot is in communication with the cavity. 
     Further, the engagement module further comprises a first fastener configured to fix the conductive piece into the mounting seat, the conductive piece is provided with a first through hole, the first fastener is fixedly connected to the mounting seat after passing through the first through hole. 
     Further, the first fastener is a screw. 
     Further, the bracket is provided with a receiving cavity, the tongue is mounted within the receiving cavity, and an end of the tongue protrudes outside the receiving cavity. 
     Further, the snap-fit module further comprises a second fastener configured to fix the tongue at the bracket, the tongue is provided with a second through hole, the lamp body is provided with a third through hole, and the second fastener is fixedly connected to the bracket after passing through the third through hole and the second through hole in sequence. 
     Further, the second fastener is a screw. 
     Further, the ceiling lamp further comprises a terminal configured to be electrically connected with the mains electricity, the terminal is arranged on the mounting plate, and the conductive piece is electrically connected with the terminal. 
     Further, the number of the engagement modules is at least two, and the number of the snap-fit modules is at least two. 
     Further, the number of the engagement modules is two, and the number of the snap-fit modules is two; one of the engagement modules is electrically connected with a neutral line of the mains electricity and one of the snap-fit modules, the other of the engagement modules is electrically connected with a neutral line of the driving power supply and the other of the snap-fit modules, and the snap-fit module is electrically connected to a live line of the driving power supply. 
     Further, the lamp body comprises a base and a lamp cover connected with the base, the snap-fit module is arranged on the base. 
     Further, the lamp cover is provided with a plurality of protrusions, and the base is mounted with a plurality of snap-stations, each of the plurality of snap-stations is provided with a buckle configured for cooperating with the one of the plurality of protrusions such that the base is fixedly connected with the lamp cover. 
     The beneficial effect of the ceiling lamp provided in the present application is that compared with the prior art, the ceiling lamp of the present application only needs to rotate the lamp body when the ceiling lamp needs to be mounted, so that the snap-fit module is fastened to the engagement module in a screwing manner to form an electrical connection with each other; thereby not only realizing the connection between the lamp body and the mounting plate, but also realizing the electrical connection, the installation is very convenient and fast, and has the advantages of good dust proof and insect proof. The lamp body and the mounting plate can be disassembled by reversely rotating the lamp body during disassembling, and the user can directly and accurately determine whether the snap-fit module and the engagement module have been mounted in place by means of turn on or off the lamp, the possibility of misassembly can be avoided, and safety and reliability are high. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       In order to explain the embodiments of the present application more clearly, a brief introduction regarding the accompanying drawings that need to be used for describing the embodiments of the present application or the prior art is given below; it is obvious that the accompanying drawings described as follows are only some embodiments of the present application, for those skilled in the art, other drawings can also be obtained according to the current drawings on the premise of paying no creative labor. 
         FIG. 1  is a schematic exploded view of a ceiling lamp provided by an embodiment of the present application; 
         FIG. 2  is a top view of a ceiling lamp provided by an embodiment of the present application; 
         FIG. 3  is a cross-sectional structural view taken along line A-A of  FIG. 2 ; 
         FIG. 4  is an enlarged schematic view at B of  FIG. 3 ; 
         FIG. 5  is a schematic perspective structural view of a lamp body adopted in an embodiment of the present application; 
         FIG. 6  is a schematic perspective structural view of a snap-fit module adopted in the embodiment of the present application; 
         FIG. 7  is a schematic perspective structural view of a mounting plate adopted in an embodiment of the present application; 
         FIG. 8  is a schematic perspective structural view of a mounting plate adopted in an embodiment of the present application, wherein the mounting board is not shown; 
         FIG. 9  is a schematic partial structural view of a engagement module adopted in the embodiment of the present application; 
         FIG. 10  is a schematic perspective structural view of a mounting seat adopted in an embodiment of the present application; 
         FIG. 11  is a schematic perspective structural view of a conductive piece used in an embodiment of the present application. 
     
    
    
     Wherein, the reference numerals are listed: 
       10 —lamp body;  11 —base;  111 —snap-station;  12 —lamp cover;  121 —protrusion;  13 —positioning hole;  20 —mounting plate;  21 —positioning shaft;  22 —mounting board;  30 —lighting module;  40 —driving power supply;  50 —engagement module;  51 —mounting seat;  511 —cavity;  52 —conductive piece;  521 —elastic arm;  522 —connecting opening;  53 —slot;  54 —limiting block;  55 —first fastener;  60 —snap-fit module;  61 —bracket;  62 —tongue;  63 —second fastener;  70 —terminal. 
     DETAILED DESCRIPTION 
     In order to make the purpose, technical solutions, and beneficial effects of the present application clearer and more understandable, the present application will be further described in detail herein after with reference to the accompanying drawings and embodiments. It should be understood that the embodiments described herein are only intended to illustrate but not to limit the present application. 
     It is noted that when a component is referred to as being “fixed to” or “disposed on” another component, it can be directly or indirectly on another component. When a component is referred to as being “connected to” another component, it can be directly or indirectly connected to another component. 
     It should be understood that, “length”, “width”, “upper”, “lower”, “front”, “back”, “left” and “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside” and other terms indicating the orientation or positional relationship are based on orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the application and simplifying the description, instead of indicating or implying that the indicated device or component must have a specific orientation and constructed and operated in a particular orientation, and therefore it cannot be construed as limitation of the application. 
     In addition, the terms “first” and “second” are for illustrative purposes only and should not be construed as indicating or implying a relative importance or implicitly indicating the quantity of technical features indicated. Therefore, a feature that defines “first” and “second” may expressly or implicitly include one or more of the features. In the description of the present application, “multiple” means two or more than two, unless otherwise specifically defined. 
     Please refer to  FIG. 1  to  FIG. 4 , a ceiling lamp provided in the present application will be described. The ceiling lamp includes a lamp body  10 , a mounting plate  20 , a lighting module  30  and a driving power supply  40  electrically connected with the lighting module  30 , the lighting module  30  and the driving power supply  40  are both disposed in the lamp body  10 , the lamp body  10  is detachably fixed to the mounting plate  20  in a screwing manner; the ceiling lamp further comprises a screwing assembly configured to detachably fix the lamp body  10  to the mounting plate  20  in a screwing manner, the screwing assembly includes a engagement module  50  disposed on the mounting plate  20  and configured to be electrically connected with the mains electricity, and a snap-fit module  60  disposed at the lamp body  10  and configured to be electrically connected with the driving power supply  40 , the snap-fit module  60  is configured to be connected with the engagement module  50  in a screwing manner to form an electrical connection. 
     Compared with the prior art, the beneficial effect of the ceiling lamp provided in the present application is that the ceiling lamp of the present application only needs to rotate the lamp body  10  when the ceiling lamp needs to be mounted, so that the snap-fit module  60  is fastened to the engagement module  50  in a screwing manner to form an electrical connection with each other; thereby not only realizing the connection between the lamp body  10  and the mounting plate  20 , but also realizing the electrical connection, the installation is very convenient and fast, and has the advantages of good dust proof and insect proof. The lamp body  10  and the mounting plate  20  can be disassembled by reversely rotating the lamp body during disassembling, and the user can directly and accurately determine whether the snap-fit module  60  and the engagement module  50  have been mounted in place by means of turn on or off the lamp, the possibility of misassembly can be avoided, and safety and reliability are high. 
     Further, please refer to  FIG. 3 ,  FIG. 5  and  FIG. 7 , as a specific embodiment of the ceiling lamp provided in the present application. The lamp body  10  is provided with a positioning hole  13 , the mounting plate  20  is provided with a positioning shaft  21  configured for fitting and positioning the positioning hole  13  such that the lamp body  10  always rotates around the center axis of the lamp body  10  during a screwing process. When the lamp body  10  needs to be screwed onto the mounting plate  20 , the positioning shaft  21  is firstly inset into the positioning hole  13  for positioning, which ensured that the lamp body  10  is always rotated around the center axis during installation to avoid deviation. Specifically, the mounting plate further includes a mounting board  22 , and the positioning shaft  21  is disposed on the mounting board  22 . 
     Further, please refer to  FIG. 1 ,  FIG. 5 ,  FIG. 6 ,  FIG. 8  and  FIG. 9 , as a specific embodiment of the ceiling lamp provided in the present application, the engagement module  50  includes a mounting seat  51  disposed at an inner side wall of the mounting plate  20 , and a conductive piece  52  disposed in the mounting seat  51  and configured to be electrically connected with the mains electricity, the mounting seat  51  is provided with a slot  53 , and the slot  53  is opposite to the conductive piece  52 . The snap-fit module  60  includes a bracket  61  disposed at the lamp body  10  and a tongue  62  mounted at the bracket  61  and electrically connected to the driving power supply  40 , the tongue  62  is a conductive member, the tongue  62  is connected with the slot  53  in a screwing manner, and the tongue  62  is in contact with the conductive piece  52  such that an end of the tongue  62  can be in contact with the conductive piece  52 , when the tongue is properly connected into the slot  53 , so that the lamp body  10  can be mounted while the electrical connection can be achieved, and the installation is convenient. Preferably, the conductive piece  52  is a copper piece, and the conductive member may be a metal piece. For example, the conductive member may be a copper piece or an iron piece or the like. 
     Further, please refer to  FIG. 11 , as an embodiment of the ceiling lamp provided in the present embodiment, two ends of the conductive piece  52  are integrally extended with elastic arms  521  respectively, and a connecting opening  522  is formed between the elastic arms  521  of the two ends of the conductive piece  52  and configured to fit the tongue  62 , the tongue  62  is configured to be inserted into the connecting opening  522  such that the tongue  62  is electrically connected to the elastic arm  521 . By connecting the tongue  62  into the connecting opening  522 , the electrical connection can be made more stable and reliable to avoid loose. It should be noted that the manner of disposing the conductive piece  52  is not limited thereto. For example, in other preferred embodiments of the present application, the conductive piece  52  may also be a sheet structure or the conductive piece  52  is provided with a spring, the tongue being electrically connected to the conductive piece by the spring. 
     Further, please refer to  FIG. 1 ,  FIG. 8 ,  FIG. 9  and  FIG. 10 , as a specific embodiment of the ceiling lamp provided in the present application, the mounting seat  51  is further provided with a limiting block  54 , when the tongue  62  is fitted into the slot  53 , the limiting block  54  abuts against the bracket  61  to prevent displacement. Specifically, the slot  53  is a long shaped slot. 
     Further, please refer to  FIG. 1 ,  FIG. 8 ,  FIG. 9  and  FIG. 10 , as a specific embodiment of the ceiling lamp provided in the present application, the mounting seat  51  is provided with a cavity  511 , and the conductive piece  52  is mounted in the cavity  511 , the slot  53  is in communication with the cavity  511  such that when the tongue  62  is cooperated with the slot  53 , an end of the tongue  62  can also protrude into the cavity  511  and in contact with the conductive piece  52 . 
     Further, please refer to  FIG. 1 ,  FIG. 8  and  FIG. 9 , as a specific embodiment of the ceiling lamp provided in the present application, the engagement module  50  further includes a first fastener  55  configured to fix the conductive piece  52  into the mounting seat  51 , the conductive piece  52  is provided with a first through hole (not shown), the first fastener  55  is fixedly connected to the mounting seat  51  after passing through the first through hole. In this embodiment, the first fastener  55  is a screw. 
     Further, please refer to  FIG. 1 ,  FIG. 6  and  FIG. 7 , as a specific embodiment of the ceiling lamp provided in the present application, the bracket  61  is provided with a receiving cavity (not shown), and the tongue  62  is mounted within the receiving cavity, and an end of the tongue  62  protrudes outside the receiving cavity so that the tongue  62  can be fixed within the receiving cavity. 
     Further, please refer to  FIG. 1 ,  FIG. 6  and  FIG. 7 , as a specific embodiment of the ceiling lamp provided in the present application, the snap-fit module  60  further includes a second fastener  63  configured to fix the tongue  62  at the bracket  61 , the tongue  62  is provided with a second through hole (not shown), the lamp body  10  is provided with a third through hole (not shown), and the second fastener  63  is fixedly connected to the bracket  61  after passing through the third through hole and the second through hole in sequence, such that the bracket in fixed at the lamp body  10 . In this embodiment, the second fastener  63  is a screw. 
     Further, please refer to  FIG. 1 ,  FIG. 8  and  FIG. 9 , as a specific embodiment of the ceiling lamp provided in the present application, the ceiling lamp further includes a terminal  70  for electrically connecting to the mains electricity, the terminal  70  is disposed on the mounting plate  20 , and the conductive piece  52  is electrically connected to the mains electricity through the terminal  70 . When it is necessary to mount the ceiling lamp, it required to firstly fix the mounting plate  20  to the ceiling, and then electrically connect the terminal  70  to the mains electricity to realize electrical connection between the mains electricity and the conductive piece  52 . 
     Further, please refer to  FIG. 1  to  FIG. 4 , as a specific embodiment of the ceiling lamp provided in the present application, the number of the engagement modules  50  is at least two, and the number of the snap-fit modules  60  is at least two. For example, it may be two, three or four, etc., which is not limited here. 
     Further, please refer to  FIG. 1  to  FIG. 4 , as a specific embodiment of the ceiling lamp provided in the present application, the number of the engagement modules  50  is two, and the number of the snap-fit modules  60  is two. One of the engagement modules  50  is electrically connected with a neutral line of the mains electricity and one of the snap-fit modules, the other of the engagement modules  50  is electrically connected with a neutral line of the driving power supply  40  and the other of the snap-fit modules  60 , and the snap-fit module  60  is electrically connected to a live line of the driving power supply  40 , so that the electrical connection of the ceiling lamp can be realized. 
     Further, please refer to  FIG. 1  to  FIG. 4 , as a specific embodiment of the ceiling lamp provided in the present application, the lamp body  10  includes a base  11  and a lamp cover  12  connected to the base  11 , the snap-fit module  60  is disposed on the base  11 . Specifically, in the embodiment, the lamp cover  12  is provided with a plurality of protrusions  121 , a plurality of snap-stations  111  are mounted on the base  11 , and the plurality of snap-stations  111  are respectively provided with buckles (not shown), the protrusions  121  and the buckles are cooperated one by one to realize the connection and fixing of the base  11  and the lamp cover  12 , and the assembly thereof is very simple and convenient, since the base  11  and the lamp cover  12  are integrally assembled before leaving the factory, therefore, good dust proof and insect proof effect can be achieved. 
     The working principle of the ceiling lamp of the present application is as follows: 
     When it is needed to mount the ceiling lamp, first, fixing the mounting plate  20  to the ceiling, and then electrically connecting the mains electricity to the terminal  70 ; and then, rotating the lamp body  10  such that the tongue  62  is screwed into the slot  53  and an end of the tongue  62  is in contact with the conductive piece  52 , thereby realizing quick installation and electrical connection of the ceiling lamp; when it is needed to determine whether the lamp body  10  is mounted in place, it can be directly judged by means of turning on or off the lamp; When it is needed to be disassembly, only the lamp body  10  needs to be reversely rotated until the tongue  62  is separated from the slot  53 . At this time, the lamp body  10  can be removed, thereby achieving quick disassembly of the lamp body  10 . 
     The above are only the preferred embodiments of the present application, and are not intended to limit the present application. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present application are included in the scope of the present application.