CN218327762U - Ceiling lamp - Google Patents

Abstract

The utility model discloses a ceiling lamp, wherein the ceiling lamp comprises a lamp body, a plurality of rotating installation parts and an installation chassis, and a plurality of installation positions are arranged on the top surface of the lamp body; the rotary mounting piece is arranged at the mounting position; the installation chassis is used for connecting in the ceiling, the installation chassis is equipped with a plurality of rotatory mounting grooves, one rotatory installed part with one rotatory mounting groove is corresponding, rotatory mounting groove includes first sub-groove and the second sub-groove that the diameter of groove was arranged along the direction of rotation on installation chassis, first sub-groove with the second sub-groove is linked together, just the diameter of second sub-groove is less than the diameter of first sub-groove, the diameter of first sub-groove is greater than the diameter of rotatory installed part, and the diameter of second sub-groove is less than or equal to the diameter of rotatory installed part, during the installation lamp body, will rotatory installed part insert in the first sub-groove to it is rotatory extremely in the second sub-groove, will the lamp body is fixed on the installation chassis. The utility model discloses technical scheme can realize that ceiling lamp installs fixedly fast, reduction in production cost, and convenient the change is maintained.

Description

Ceiling lamp

Technical Field

The utility model relates to a lighting apparatus technical field, in particular to ceiling lamp.

Background

Ceiling lamp is a illumination and modern decorative lighting utensil that has noble grade, be applicable to very much market supermarket, the hotel, jewelry sales counter and high-grade house, but current ceiling lamp is usually with lamps and lanterns direct mount on the ceiling, this kind of mounting means installation procedure is loaded down with trivial details, the location difficulty, lead to installation time long, the installation is troublesome, inconvenient height-climbing installation operation, and when follow-up needs maintenance or change, need dismantle the ceiling lamp, then must carry out destructive dismantlement, if: the ceiling or the aluminum ceiling is integrally detached, but the ceiling and the ceiling lamp are damaged, so that the ceiling lamp is inconvenient to detach, and a user cannot replace different lamps at any time according to use requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ceiling lamp aims at realizing that the quick installation of ceiling lamp is fixed, reduction in production cost, and convenient the change is maintained.

In order to achieve the above object, the utility model provides a ceiling lamp for the illumination of interior space, ceiling lamp includes:

the lamp body comprises a lamp shell, and a plurality of mounting positions are arranged on the top surface of the lamp shell;

a plurality of rotational mounting members, one of the rotational mounting members being provided at one of the mounting locations;

the installation chassis is used for being connected to a ceiling, the installation chassis is provided with a plurality of rotary installation grooves, one rotary installation piece corresponds to one rotary installation groove, the rotary installation groove comprises a first sub-groove and a second sub-groove, the groove diameters of the first sub-groove and the second sub-groove are distributed along the rotation direction of the installation chassis, the first sub-groove is communicated with the second sub-groove, the groove diameter of the second sub-groove is smaller than the groove diameter of the first sub-groove, the groove diameter of the first sub-groove is larger than the diameter of the rotary installation piece, the groove diameter of the second sub-groove is smaller than or equal to the diameter of the rotary installation piece, and when the lamp body is installed, the rotary installation piece is inserted into the first sub-groove and rotates to the second sub-groove, so that the lamp body is fixed on the installation chassis.

Optionally, the rotary mounting portion is a mounting convex portion protruding from the top surface of the lamp housing, and the rotary mounting member is configured as a mounting screw, and the mounting screw is in threaded connection with the mounting convex portion.

Optionally, a positioning boss is arranged at the top of the lamp housing, the rotary mounting piece is arranged on the positioning boss, the outer peripheral edge of the mounting base plate is bent to form a positioning groove matched with the edge of the positioning boss, and the positioning boss is inserted into the positioning groove.

Optionally, a wire harness opening penetrating through the lamp housing is formed in the positioning boss, a wire harness in the lamp housing extends out of the wire harness opening, an avoiding opening is formed in the mounting base plate, and the avoiding opening is arranged corresponding to the wire harness opening.

Optionally, the mounting chassis is further provided with a plurality of mounting holes for fasteners to pass through and fix the mounting chassis on the ceiling.

Optionally, the mounting chassis includes a first mounting section and a second mounting section arranged along the center of the mounting chassis toward the edge of the mounting chassis, the second mounting section is higher than the first mounting section in a step transition manner, the avoidance opening and the rotation mounting groove are arranged in the first mounting section, and the mounting hole is arranged in the second mounting section;

optionally, the mounting chassis is further provided with a first reinforcing rib, and the first reinforcing rib extends from the edge of the mounting hole to the first mounting section along the second mounting section;

optionally, the peripheral edge of the avoidance port is formed with a second bead.

Optionally, the periphery of the lamp housing is provided with a shielding skirt edge, the shielding skirt edge extends in the radial direction towards the positioning boss, the shielding skirt edge and the top surface of the lamp housing enclose to form an accommodating groove, the positioning boss is arranged in the accommodating groove, and when the lamp housing is connected with the installation chassis, the shielding skirt edge shields the installation chassis.

Optionally, the lamp body still includes LED lamp plate and drive power supply, be formed with the installation cavity in the lamp body, the LED lamp plate is arranged in the installation cavity and with the chamber wall of installation cavity is connected, and drive power supply arranges in the installation cavity and with the chamber wall of installation cavity is connected.

Optionally, the lamp body still includes lamp shade and joint board, the installation cavity includes through cavity wall first sub-chamber of looks spaced apart and second sub-chamber, the LED lamp plate with drive power supply arranges in the first sub-chamber, the joint board is the setting of buckling, the lamp shade closing cap the opening of first sub-chamber, the part butt of buckling of joint board the periphery of lamp shade is connected with the lamp body.

Optionally, the lamp body still includes the sealing member, the sealing member is located between the lamp shade and the chamber wall tip of first sub-chamber, the lamp shade and the chamber wall tip of first sub-chamber compress tightly the sealing member and seal first sub-chamber.

The utility model adopts the lamp body, a plurality of rotating installation parts and an installation chassis, wherein the lamp body comprises a lamp shell, and a plurality of installation positions are arranged on the top surface of the lamp shell; the rotary mounting piece is arranged at the mounting position; the installation chassis is used for connecting in the ceiling, the installation chassis is equipped with a plurality of rotatory mounting grooves, one rotatory installed part with one rotatory mounting groove is corresponding, rotatory mounting groove includes that the groove footpath is along the first subslot and the second subslot of the circumference convergent of rotatory installation dish, and the groove footpath of first subslot is greater than the diameter of rotatory installed part, and the groove footpath of second subslot is less than or equal to the diameter of rotatory installed part, and during the installation lamp body, insert first subslot with rotatory installed part, rotatory to the second subslot, fix the lamp body on the installation chassis. Through rotatory installed part and one rotatory mounting groove mode of pairing, when can realizing that lamps and lanterns install fast fixedly, reduce the processing cost, be favorable to modularized design, sale and maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the ceiling lamp of the present invention;

FIG. 2 is a schematic view of the ceiling lamp of FIG. 1 mounted to a ceiling in one embodiment;

FIG. 3 is an exploded view of the lamp body and mounting base of FIG. 1;

fig. 4 is a schematic cross-sectional structure view of the ceiling lamp in fig. 1.

The reference numbers illustrate:

the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Ceiling lamp is a illumination and modern decorative lamp utensil that has noble grade, is applicable to market supermarket very much, hotel, jewelry sales counter and high-grade house, but current ceiling lamp is usually with lamps and lanterns direct mount on the ceiling, and this kind of mounting means installation procedure is loaded down with trivial details, and the location difficulty leads to installation time long, and the installation is troublesome, inconvenient climbing installation operation, and when follow-up needs maintenance or change, need dismantle the ceiling lamp, then must carry out destructive dismantlement, if: the ceiling or the aluminum ceiling is integrally detached, but the ceiling and the ceiling lamp are damaged, so that the ceiling lamp is inconvenient to detach, and a user cannot replace different lamps at any time according to use requirements.

Therefore, the utility model provides a ceiling lamp.

Referring to fig. 1 to 2, a ceiling lamp 100 according to the present invention will now be described.

In an embodiment of the present invention, a ceiling lamp 100 is used for lighting an indoor space, and includes a lamp body 10, an installation chassis 30 for connecting to a ceiling, and a plurality of rotating installation members 20, wherein the lamp body 10 includes a lamp housing 11, and a plurality of installation positions are disposed on a top surface of the lamp housing 11; a rotary mounting member 20 is provided at one of the mounting positions; the mounting chassis 30 is used for being connected to a ceiling, the mounting chassis 30 is provided with a plurality of rotation mounting grooves 31, one rotation mounting member 20 corresponds to one rotation mounting groove 31, the rotation mounting groove 31 comprises a first sub-groove 311 and a second sub-groove 312, the groove diameters of the first sub-groove 311 and the second sub-groove 312 are arranged along the rotation direction of the mounting chassis 30, the first sub-groove 311 is communicated with the second sub-groove 312, the groove diameter of the second sub-groove 312 is smaller than the groove diameter of the first sub-groove 311, the groove diameter of the first sub-groove 311 is larger than the diameter of the rotation mounting member 20, the groove diameter of the second sub-groove 312 is smaller than or equal to the diameter of the rotation mounting member 20, and when the lamp body 10 is mounted, the rotation mounting member 20 is inserted into the first sub-groove 311 and rotated into the second sub-groove 312, so that the lamp body 10 is fixed on the mounting chassis 30.

The lamp body 10 is provided with an LED lamp panel 40 and a driving power supply 50, and the driving power supply 50 provides power for the LED lamp to generate illumination light. The installation manner of the LED lamp panel 40 and the driving power supply 50 will be described later, and will not be described herein again.

In this embodiment, the rotary mounting position is a mounting convex portion 16 protruding from the top surface of the lamp housing 11, and the rotary mounting member 20 is configured as a mounting screw screwed to the mounting convex portion 16. The top of the lamp housing 11 is disc-shaped, and three rotational mounting members 20 are uniformly distributed on the circumference of the top of the lamp housing 11, and in other embodiments, the rotational mounting members 20 may also be two, four or more. In order to facilitate processing, save cost and facilitate replacement, in this embodiment, the rotation mounting member 20 includes three protrusions protruding from the top surface of the lamp housing 11, and after the mounting is performed by three screws, a mounting position is reserved between the head and the rod of the screw, and the rotation mounting member 20 is aligned with the rotation mounting groove 31 of the mounting chassis 30 and is fixed in rotation mounting.

In other embodiments, the rotary mounting member 20 may also be a convex portion protruding from the top surface of the lamp housing 11, such as a convex mushroom, and when the lamp housing 11 is mounted, the rotary mounting member 20 is inserted into the first sub-groove 311 and rotated to the second sub-groove 312, so as to fix the lamp housing 11 on the mounting base 30.

In another embodiment, the rotary mounting member 20 may also be a slot protruding from the top surface of the lamp housing 11, and a notch is formed in the middle of the slot, and when mounting, the notch is inserted into the mounting groove of the mounting base plate 30, and is rotatably mounted and fixed.

The existing ceiling lamp is mostly installed on an inherent angle-shaped lamp holder of a roof through a guiding hanger during installation, then a lampshade of the ceiling lamp is firstly detached, and the lampshade and a lamp rear shell are reinstalled after the lamp rear shell and the guiding hanger are fixed, so that the ceiling lamp is very complicated and inconvenient to install. And draw the existence of hanger still need the lamp to have special space to hold it, wasted the inside space of lamps and lanterns, through the setting of this scheme, can just can realize the installation and the fixing of ceiling lamp 100 under the prerequisite of not taking lamp body 11 apart, saved the step of ceiling lamp 100 installation, improved the efficiency of ceiling lamp 100 installation. And the original hanging device is saved during installation, so that the space occupied by the original hanging device is reduced, and other functional components can be installed in a larger space in the lamp shell 11, so that the ceiling lamp 100 is more convenient to use.

The utility model adopts the lamp body 10, the plurality of rotating installation members 20 and the installation chassis 30, wherein the lamp body 10 comprises a lamp shell 11, and a plurality of installation positions are arranged on the top surface of the lamp shell 11; a said rotational mounting member 20 is provided at a said mounting location; the mounting base plate 30 is used for being connected to a ceiling, the mounting base plate 30 is provided with a plurality of rotation mounting grooves 31, one rotation mounting member 20 corresponds to one rotation mounting groove 31, the rotation mounting groove 31 comprises a first sub-groove 311 and a second sub-groove 312, the groove diameter of the first sub-groove 311 is gradually reduced along the circumferential direction of the rotation mounting plate, the diameter of the first sub-groove is larger than the diameter of the rotation mounting member 20, the diameter of the second sub-groove 312 is smaller than or equal to the diameter of the rotation mounting member 20, when the lamp body 10 is mounted, the rotation mounting member 20 is inserted into the first sub-groove 311 and rotates to the second sub-groove 312, and the lamp body 10 is fixed on the mounting base plate 30. Through rotatory installed part 20 with one rotatory mounting groove 31 is mated's mode, can realize that lamps and lanterns install fixedly fast in, reduce the processing cost, be favorable to modularized design, sale and maintenance.

The mounting position is a mounting convex portion 16 protruding from the top surface of the lamp housing 11, and the rotary mounting member 20 is configured as a mounting screw, and the mounting screw is in threaded connection with the mounting convex portion 16.

Make the manufacturing cost reduction of lamp body 11 through setting up of mounting screw on the one hand, need not to be the rotating part with screw and lamp body 11 integrated into one piece, on the other hand is convenient for change, appears rotating installation spare 20 in the loading and unloading process and damages, can change, need not to change whole ceiling lamp 100, reduces user's cost. In addition, the mounting screw is small in size and easy to conceal after mounting, so that the ceiling lamp 100 is better in integrity.

Further, in order to facilitate wiring of the ceiling lamp 100, the top of the lamp housing 11 is provided with a wiring harness opening 121, a wiring harness in the lamp body 10 extends out of the wiring harness opening 121, the installation chassis 30 is provided with an avoiding opening 32, the avoiding opening 32 is arranged corresponding to the wiring harness opening 121, a ceiling is installed when the ceiling is installed, the wiring harness is connected, then the rotating installation component 20 is inserted into the first sub-groove 311 and rotates to the second sub-groove 312, and the lamp housing 11 is fixed on the installation chassis 30.

In this embodiment, the wire harness opening 121 is located between the rotary mounting members 20, and the avoiding opening 32 is located in the middle of the mounting chassis 30, and is circularly arranged and larger than the wire harness opening 121, so that the operation is convenient, and the weight of the mounting chassis 30 can be reduced.

In other embodiments, the harness opening 121 and the escape opening 32 may be disposed in other locations.

In order to improve the installation efficiency and facilitate the alignment of the installation base plate 30 and the lamp body 10, a positioning boss 12 is arranged at the top of the lamp housing 11, the rotary installation part 20 is arranged on the positioning boss 12, a positioning groove 33 is formed on the installation base plate 30 corresponding to the positioning boss 12, and the positioning boss 12 is inserted into the positioning groove 33. The appearance of location boss 12 is circular, the outer peripheral edge bending type of installation chassis 30 with the circular recess of location boss 12 edge matching, dodge mouthful 32 and locate the central point that installs chassis 30 and put, rotatory mounting groove 31 is located the periphery of installation chassis 30 and dodges between mouthful 32, and such design can be established location boss 12 cover on installation chassis 30, makes lamp body 11 only can wind the central axis circumferential direction of installation chassis 30 to inject the movement track of rotatory installed part 20, make rotatory installed part 20 by first subslot 311 screw in the second subslot 312 fast, easy to assemble. In addition, because the positioning boss 12 is hidden in the positioning groove 33 of the mounting chassis 30, the appearance integrity is good.

With reference to fig. 3 and 4, for better appearance integrity, the ceiling lamp 100 and the ceiling are better integrated, and a gap between the lamp housing 11 and the mounting chassis 30 is seen when an evacuee looks up, the lamp housing 11 includes a shielding skirt 13 radially extending from the outer periphery to the top, the shielding skirt 13 and the top surface of the lamp housing 11 enclose to form an accommodating groove 14, the positioning boss 12 is arranged in the accommodating groove 14, and after the lamp housing 11 is fixed to the mounting chassis 30, the shielding skirt 13 shields the mounting chassis 30.

Because the periphery of the lower end face of the mounting chassis 30 is provided with a positioning groove 33, the middle part of the upper end face of the lamp body 10 is provided with a positioning boss 12 corresponding to the positioning groove 33, and the positioning groove 33 is matched with the positioning boss 12 in shape and can rotate relatively; such design, during the installation, can aim at the positioning groove 33 of installation chassis 30 with the location boss 12 of lamp body 10, make installation chassis 30 only can wind positioning groove 33 or the central axis circumferential direction of location boss 12, the movement track of swivelling mounting spare 20 has been injectd, make swivelling mounting spare 20 screw in hang swivelling mounting groove 31 fast, the installation that lamp body 10 can not be influenced in the setting that shelters from shirt rim 13, the surface that shelters from shirt rim 13 and smallpox of lamp body 10 is close to mutually after the installation simultaneously, present as an organic whole in people's visual angle, the outward appearance wholeness after the installation is better.

In order to furtherly for ceiling lamp 100 better combines together with the ceiling, ceiling lamp 100 still includes blocking cover 90, blocking cover 90 is including sheltering from section and installing section, the installing section with installation chassis 30 is connected, shelter from the section and locate the tip of installing section and along deviating from installation chassis 30 direction radial extension.

The middle of the shielding cover 90 and the avoidance port 32 of the installation chassis 30 are correspondingly provided with notches, so that a wiring harness can conveniently pass through the notches, and the installation section of the shielding cover 90 and the second installation section 35 of the installation chassis 30 are connected through screws and are convenient to detach. During the installation, will block cover 90 and be connected in installation chassis 30, be connected installation chassis 30 with the ceiling, after installing lamp body 10 pencil, realize fixedly through the rotatory installed part 20 screw in installation chassis 30 of lamp body 11, simple to operate is convenient, because all can dismantle the connection through the screw, when needs are changed, also convenient, is favorable to modularized design, sale and maintenance.

In order to facilitate the mounting and dismounting of the mounting chassis 30, a plurality of mounting holes are further formed in the mounting chassis 30 for fasteners to pass through and fix the mounting chassis 30 to the ceiling.

In this embodiment, the fastener adopts the expansion screw, and the mounting hole sets up to three, and installation chassis 30 includes first installation section 34 and second installation section 35, is the ladder setting between first installation section 34 and the second installation section 35, dodges mouth 32 and rotatory mounting groove 31 and locates first installation section 34, the mounting hole setting is at second installation section 35, and the mounting hole setting is on the higher second installation section 35 of horizontal plane, makes the installation of installation chassis 30 and ceiling more laminate on the one hand, and on the other hand more makes things convenient for lamp body 10 and first installation section 34 to be connected, and the intensity of installation chassis 30 also can be strengthened in the setting of first installation section 34 and the 35 ladder of second installation section simultaneously, guarantees the stability of installation.

Further, in order to enhance the strength of the mounting base plate 30, the mounting base plate 30 is further provided with a first reinforcing rib extending from the edge of the mounting hole along the second mounting section 35 toward the first mounting section 34.

Further, a second reinforcing rib is formed at the periphery of the avoiding opening 32 to reinforce the strength of the mounting chassis 30.

In order to prevent the problem that the lamp body 10 falls off the installation chassis 30 and falls to damage or cause injury to people when sudden situations such as earthquake, decoration vibration, mistake bump, etc., the week side of the installation chassis 30 is provided with an insertion groove, one side opening of the insertion groove is fixed with the safety rope, one end part of the safety rope is inserted into the insertion groove for fixed connection during installation, the lamp body is provided with a rope buckle position for installation, the other end of the safety rope is connected with the lamp body 10, so even if the lamp body 10 breaks away from the installation chassis 30, the existence of the safety rope can also avoid the lamp body 10 to fall, thereby ensuring the safety.

Further, the equipment of lamp body 10 of ceiling lamp 100 is convenient, and lamp body 10 includes lamp body 11, LED lamp plate 40 and drive power supply 50, be formed with installation cavity 15 in the lamp body 11, LED lamp plate 40 arranges in installation cavity 15 and with installation cavity 15's chamber wall is connected, and drive power supply 50 arranges in installation cavity 15 and with installation cavity 15's chamber wall is connected.

In order to guarantee the leakproofness of lamp body 10, lamp body 10 still includes lamp shade 60 and joint board 70, installation cavity 15 includes through cavity wall first subchamber 151 and the second subchamber 152 of separating, LED lamp plate 40 with drive power supply 50 arranges in first subchamber 151, joint board 70 is the setting of buckling, the lamp shade 60 closing cap first subchamber 151's opening, joint board 70's the partial butt of buckling the periphery of lamp shade 60 is connected with lamp body 11. Installation cavity 15 includes through the first sub-cavity 151 of cavity wall partition and the sub-cavity 152 of second, LED lamp plate 40 with drive power supply 50 arranges in first sub-cavity 151, joint plate 70 is the L shape, lamp shade 60 closing cap the opening of first sub-cavity 151, joint plate 70 butt the periphery of lamp shade 60 is connected with lamp body 11. During the installation, will install in first sub-cavity 151 after LED lamp plate 40, drive power supply 50 are connected, first sub-cavity 151 and second sub-cavity 152 are two recesses of annular distribution, pass through the periphery of joint board 70 butt lamp shade 60 behind the lamp shade 60 closing cap, with joint board 70 and insert in the second sub-cavity 152, fix through the screw and accomplish the installation, the mounting of joint board 70's mounting screw is at the opposite side of lamp body 11, the screw can not be seen, the benefit of design like this lies in, make lamp body 10's an organic whole nature good, lamp shade 60 directly is connected fixedly through screw and lamp body 11 usually, surperficial screw head influences holistic pleasing to the eye, fix through joint board 70 butt lamp shade 60, joint board 70 adopts the same colour with lamp shade 60, whole an organic nature appears in the vision. The installation mode is simple in installation, saves a large amount of time, and can not influence the overall attractiveness by locking and fixing the lamp shell 11 from the top surface of the lamp shell, so that the operation is more convenient, and the installation is quicker.

In other embodiments, the card plate 70 may be mounted to the side of the lamp housing 11.

Further, the sealing member 80 is arranged at the end of the chamber wall of the lamp shade 60 and the first sub-chamber 151, the sealing member 80 is arranged between the end of the chamber wall of the lamp shade 60 and the first sub-chamber 151, and the end of the chamber wall of the lamp shade 60 and the first sub-chamber 151 compresses the sealing member 80 to seal the first sub-chamber 151 so that the first sub-chamber 151 is located in the first sub-chamber 151, so that the waterproof performance is better.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.

Claims (10)

1. The utility model provides a ceiling lamp for the illumination of interior space, its characterized in that, ceiling lamp includes:

the lamp body comprises a lamp shell, and a plurality of mounting positions are arranged on the top surface of the lamp shell;

a plurality of rotational mounting members, one of the rotational mounting members being provided at one of the mounting locations;

the installation chassis is used for being connected to a ceiling, the installation chassis is provided with a plurality of rotary installation grooves, one rotary installation parts correspond to the rotary installation grooves, each rotary installation groove comprises a first subslot and a second subslot, the groove diameters of the first subslots are distributed along the rotation direction of the installation chassis, the first subslots are communicated with the second subslots, the groove diameters of the second subslots are smaller than those of the first subslots, the groove diameters of the first subslots are larger than those of the rotary installation parts, the groove diameters of the second subslots are smaller than or equal to those of the rotary installation parts, and when the lamp body is installed, the rotary installation parts are inserted into the first subslots and rotate to the second subslots, so that the lamp body is fixed on the installation chassis.

2. The ceiling lamp of claim 1, wherein the mounting location is a mounting protrusion protruding from a top surface of the lamp housing, and the rotational mounting member is configured as a mounting screw threadedly coupled to the mounting protrusion.

3. The ceiling lamp according to claim 1, wherein a positioning boss is provided on the top of the lamp housing, the rotary mounting member is provided on the positioning boss, the outer periphery of the mounting base plate is bent to form a positioning groove matched with the edge of the positioning boss, and the positioning boss is inserted into the positioning groove.

4. The ceiling lamp according to claim 3, wherein the positioning boss is provided with a wire harness opening penetrating through the lamp housing, a wire harness in the lamp body extends out of the wire harness opening, the mounting chassis is provided with an avoiding opening, and the avoiding opening is arranged corresponding to the wire harness opening.

5. The ceiling lamp as set forth in claim 4, wherein said mounting base plate further defines a plurality of mounting holes for fasteners to pass through and secure said mounting base plate to the ceiling.

6. The ceiling lamp as claimed in claim 5, wherein the mounting chassis comprises a first mounting section and a second mounting section arranged along the center of the mounting chassis towards the edge of the mounting chassis, the second mounting section is higher than the first mounting section in a step transition manner, the avoidance opening and the rotary mounting groove are arranged on the first mounting section, and the mounting hole is arranged on the second mounting section;

and/or the mounting chassis is also provided with a first reinforcing rib which extends from the edge of the mounting hole to the first mounting section along the second mounting section;

and/or a second reinforcing rib is formed on the periphery of the avoidance opening.

7. The ceiling lamp as claimed in claim 3, wherein a shielding skirt is provided at the periphery of the lamp housing, the shielding skirt extends in a radial direction toward the positioning boss, the shielding skirt and the top surface of the lamp housing enclose to form a receiving groove, the positioning boss is disposed in the receiving groove, and when the lamp housing is connected to the mounting chassis, the shielding skirt shields the mounting chassis;

and/or the ceiling lamp further comprises a shielding cover, the shielding cover comprises a shielding section and an installation section, the installation section is connected with the installation chassis, and the shielding section is arranged at the end part of the installation section and extends in the radial direction away from the installation chassis;

and/or, the periphery of the installation chassis is provided with a plug-in groove for installing one end of the safety rope, and the lamp shell is provided with a rope buckle position for installing the other end of the safety rope.

8. The ceiling lamp as claimed in claim 1, wherein the lamp body further comprises an LED lamp panel and a driving power supply, a mounting cavity is formed in the lamp body, the LED lamp panel is disposed in the mounting cavity and connected with a wall of the mounting cavity, and the driving power supply is disposed in the mounting cavity and connected with the wall of the mounting cavity.

9. The ceiling lamp as claimed in claim 8, wherein the lamp body further includes a lamp shade and a clamping plate, the installation cavity includes a first sub-cavity and a second sub-cavity separated by a cavity wall, the LED lamp panel and the driving power source are disposed in the first sub-cavity, the clamping plate is bent, the lamp shade covers an opening of the first sub-cavity, and a bent portion of the clamping plate abuts against a periphery of the lamp shade and is connected with the lamp housing.

10. The ceiling lamp of claim 9, wherein the lamp body further comprises a seal disposed between the housing and the wall end of the first sub-chamber, the housing and the wall end of the first sub-chamber compressing the seal to seal the first sub-chamber.

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