CN214535899U

CN214535899U - Ceiling lamp

Info

Publication number: CN214535899U
Application number: CN202121164376.8U
Authority: CN
Inventors: 李冲冲; 李英; 闫磊
Original assignee: Opple Lighting Co Ltd; Opple Lighting Electrical Appliance Zhongshan Co Ltd
Current assignee: Opple Lighting Co Ltd; Opple Lighting Electrical Appliance Zhongshan Co Ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-10-29
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a ceiling lamp, including mount pad, lamp body, power supply unit, electric connection seat and electrically conductive foot, the power supply unit locates the mount pad, the electric connection seat is located the mount pad, and with the power supply unit electricity is connected, electrically conductive foot is located the lamp body, electrically conductive foot with the rotatory joint of electric connection seat is so that lamp body matched stack in the mount pad, just electrically conductive foot configured into at its with when the cooperation of electric connection seat joint with electric connection seat electric conductance is expert to make mount pad and lamp body realize mechanical structure simultaneously through the rotatory joint of electric connection seat and electrically conductive foot and connect and electrically, connect reliable and stable, have the advantage that the dismouting is simple, the commonality is high and low cost simultaneously.

Description

Ceiling lamp

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a ceiling lamp.

Background

The ceiling lamp has the characteristics of energy conservation, high lighting effect, rich colors, long service life, good aesthetic property and the like, and is widely popular among consumers all the time.

However, the mechanical connection structure and the electrical connection structure of the existing ceiling lamp are often separated, so that the structure of the assembly part of the ceiling lamp is complex, the technical problems of difficult disassembly and assembly and poor connection reliability exist during installation and use, and a user is difficult to replace and install a new lamp.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a ceiling lamp to solve prior art's ceiling lamp because of the assembly parts structure that mechanical connection structure and electrical connection structure phase separation exist is complicated, the dismouting difficulty and connect the poor technical problem of stability.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model discloses a ceiling lamp, including mount pad, lamp body, power supply unit, electric connection seat and electrically conductive foot, the power supply unit locates the mount pad, electric connection seat with the power supply unit electricity is connected, electrically conductive foot is located the lamp body, electrically conductive foot with the rotatory joint of electric connection seat so that the lamp body matched stack in the mount pad, just electrically conductive foot configured into at its with when the cooperation of electric connection seat joint with electric connection seat electric conductance.

Furthermore, the electric connection seat is provided with a limit hole extending in an arc shape, one end of the limit hole is provided with a socket, one end of the conductive pin is provided with a hanging part, the size of the hanging part is larger than the size of an orifice of the limit hole, the size of the hanging part is smaller than the opening size of the socket, and the hanging part is inserted into the limit hole through the socket, so that the conductive pin is in sliding fit with the electric connection seat in the limit hole.

Furthermore, the middle part of the conductive pin is provided with a clamping part, and when the conductive pin is in sliding fit with the electric connection seat, the hanging part and the clamping part are in limit fit with the hole edge of the limit hole.

Furthermore, the number of the limiting holes and the number of the conducting pins are two, each conducting pin corresponds to one limiting hole, and the two conducting pins are respectively a positive conducting pin and a negative conducting pin.

Further, the electrical connection seat is a GU10 lamp socket, and the conductive pins are GU10 lamp pins matched with the GU10 lamp socket.

Furthermore, the electric connection seat is provided with a mounting groove, the limiting hole is formed in the bottom wall of the mounting groove, the lamp body is provided with an annular concave portion, the annular concave portion surrounds the conductive pins, and when the conductive pins are rotationally clamped with the electric connection seat, the electric connection seat can stretch into the annular concave portion around the peripheral wall of the mounting groove.

Further, the mount pad with in the lamp body, one is provided with joint portion, the other be provided with joint portion assorted draw-in groove portion electrically conductive foot with during the rotatory joint of electric connection seat, joint portion can rotate go into in the draw-in groove portion, with to in the thickness direction of ceiling lamp the lamp body is stopped and is moved back.

Further, the mount pad is provided with the first spacing separation blade that is the L form, inject between the diapire of first spacing separation blade and mount pad the draw-in groove portion, the lamp body is provided with first rampart, draw-in portion for set up in the spacing separation blade of second of first rampart inner wall electrically conductive foot with during the rotatory joint of electric property connecting seat, the spacing separation blade of second with the spacing cooperation of first spacing separation blade.

Further, the ceiling lamp still includes the light source module, the lamp body has an inclosed lamp chamber, the light source module is located in the lamp chamber, and with the electrically conductive foot electricity is connected.

Further, the lamp body includes a main housing and a cover coupled to the main housing to define the lamp cavity therein.

Further, the main housing has a second annular wall extending away from the mount, and the visor has a third annular wall facing the mount.

Furthermore, the second annular wall is provided with a first anti-falling part, the first anti-falling part is provided with a guide wall and a stop wall, the stop wall is connected to the upper edge of the guide wall, the tail end of the third annular wall is provided with an outer flange, and the outer flange is clamped into the main shell through the guide wall and abuts against the stop wall.

The light source module comprises a circuit board and a light source, the light source is arranged on the circuit board and electrically connected with the circuit board, and the circuit board is electrically connected with the conductive pins.

Further, the power supply assembly comprises a wiring terminal and a cover plate used for covering the wiring terminal, the wiring terminal is arranged on the mounting seat, the cover plate is arranged on the wiring terminal, and the electric connection seat is electrically connected with the wiring terminal.

Further, electrically conductive shell fragment has in the electric connection seat, electrically conductive shell fragment with binding post electricity is connected, works as electrically conductive rotatory card of foot is gone into when spacing hole, electrically conductive shell fragment with hanging portion elastic contact, and with the hole edge clamp in spacing hole embraces hanging portion so that electrically conductive foot with binding post electric conductance is switched on.

Further, the mounting base has a fourth annular wall extending towards the lamp body, and when the conductive pins are rotatably clamped with the electrical connection base, the fourth annular wall is adjacent to the top wall of the lamp body.

The utility model discloses a technical scheme can reach following beneficial effect:

the embodiment of the utility model discloses ceiling lamp, mount pad and lamp body pass through the electric connection seat and lead the rotatory joint between the electric foot in order to be in connected state for mount pad and lamp body realize mechanical structure's connection and electrical connection simultaneously, connect reliable and stable, have the dismouting simultaneously simple, commonality high and low cost's advantage, only need to screw down the lamp body when changing lamps and lanterns and replace can, have excellent replaceability.

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 description of the embodiments or the prior art 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 these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a ceiling lamp according to an embodiment;

FIG. 2 is an exploded schematic view of the ceiling lamp of the embodiment;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a mounting base of the ceiling lamp of the embodiment;

fig. 5 is a schematic structural diagram of the electrical connection socket according to the embodiment;

FIG. 6 is a schematic structural diagram of a conductive pin of an embodiment;

fig. 7 is a sectional view showing the connection between the mount and the lamp body according to the embodiment.

In the figure:

100-a mounting seat, 110-a first limiting baffle, 120-a fourth annular wall, 130-a threaded hole and 140-a bearing table;

200-lamp body, 210-main shell, 211-second annular wall, 212-first anti-dropping part, 213-guide wall, 214-stop wall; 220-face mask, 221-third annular wall, 222-outer flange; 230-a first annular wall, 231-a second limit stop piece and 232-a stop mark part; 240-annular recess.

300-power supply assembly, 310-wiring terminal, 320-cover plate;

400-light source module, 410-circuit board, 420-light source;

500-electrical connection seat, 510-limit hole, 520-socket and 530-mounting hole;

600-conductive pin, 610-hanging part, 620-clamping part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The ceiling lamp provided by the embodiment of the present application is described in detail below with reference to fig. 1 to 6 through specific embodiments and application scenarios thereof.

The embodiment of the utility model provides a ceiling lamp, including mount pad 100, lamp body 200, power supply unit 300, electric connection seat 500 and electrically conductive foot 600.

The mounting base 100 may be fixed to a roof by screws or the like, and provides a mounting base for the lamp body 200. The power supply assembly 300 is arranged on the mounting base 100, and the power supply assembly 300 is connected with a mains supply and used for supplying power to the ceiling lamp.

In an alternative embodiment, referring to fig. 4, the electrical connection socket 500 is disposed on the mounting socket 100, the mounting socket 100 is provided with a mounting hole 530, the mounting socket 100 is provided with a threaded hole 130 corresponding to the mounting hole 530, a locking bolt is threaded through the mounting hole 530 and the threaded hole 130 to fix the electrical connection socket 500 on the mounting socket, and the electrical connection socket 500 is electrically connected to the power supply assembly 300.

Further, the mounting base 100 is provided with a bearing platform 140, the electrical connection socket 500 is provided on the bearing platform 140, and a gap is formed between the electrical connection socket 500 and the top wall of the mounting base 100, and the gap is used for penetrating and connecting the power supply line between the electrical connection socket 500 and the power supply assembly 300.

The electrical connection socket 500 may also be fixed to the mounting socket 100 by means of snap connection, adhesion, etc., and the connection manner of the electrical connection socket 500 and the mounting socket 100 is not limited in this application.

The conductive pins 600 are disposed on the lamp body 200, and the conductive pins 600 may be connected and fixed with the lamp body 200 through riveting, screw connection, or insert injection molding, but the connection between the conductive pins 600 and the lamp body 200 is not limited in the embodiments of the present application.

The conductive pins 600 are rotatably engaged with the electrical connector 500 to assemble the lamp body 200 to the mounting base 100, and the conductive pins 600 are configured to be electrically connected with the electrical connector 500 when the conductive pins 600 are engaged with the electrical connector 500.

In the ceiling lamp disclosed in the embodiment of the present invention, the lamp body 200 and the mounting base 100 are in a connected state by the rotary clamping of the conductive pins 600 and the electrical connection base 500, which not only realizes the mechanical structure connection of the lamp body 200 and the mounting base 100, but also synchronously realizes the electrical connection of the lamp body 200 and the mounting base 100, and solves the problems of complicated structure and difficult assembly and disassembly of the assembly parts existing in the mutual separation of the electromechanical structures of the conventional ceiling lamp; the embodiment of the utility model discloses ceiling lamp dismouting is simple, only needs rotatory lamp body 200 can realize that lamp body 200 and mount pad 100's electromechanical connection or dismantlement, and the direction of rotation when installing lamp body 200 is opposite with the direction of rotation of dismantling lamp body 200.

In a specific embodiment, the electrical connection socket 500 is provided with a limit hole 510 extending in an arc shape, one end of the limit hole 510 is provided with a socket 520, one end of the conductive pin 600 is provided with a hanging portion 610, the size of the hanging portion 610 is larger than the aperture size of the limit hole 510, the size of the hanging portion 610 is smaller than the opening size of the socket 520, and the hanging portion 610 is inserted into the limit hole 510 through the socket 520, so that the conductive pin 600 is slidably fitted in the limit hole 510 in the electrical connection socket 500. When the lamp body 200 is installed, the conductive pin 600 is inserted into the limiting hole through the socket 520, and then the lamp body 200 is rotated to enable the conductive pin 600 to slide to one end of the limiting hole 510 far away from the socket 520; when the lamp body 200 is disassembled, the lamp body 200 is rotated reversely to slide the conductive pins 600 to the sockets 520, and then the hanging part 610 is withdrawn from the sockets 520.

Referring to fig. 5, the middle of the conductive pin 600 has a clamping portion 620, and when the conductive pin 600 is slidably fitted to the electrical connection socket 500, the hanging portion 610 and the clamping portion 620 are both in limit fit with the hole edge of the limit hole 510, so as to prevent the conductive pin 600 from shaking in the limit hole 501, and enhance the connection stability between the electrical connection socket 500 and the conductive pin 600.

The number of the limiting holes 510 and the number of the conductive pins 600 are two, each conductive pin 600 corresponds to one limiting hole 510, and the two conductive pins 600 are a positive conductive pin and a negative conductive pin respectively.

In an alternative embodiment, the electrical connection socket 500 is a GU10 lamp socket, the conductive pin 600 is a GU10 lamp pin matched with the GU10 lamp socket, and the GU10 interface has the characteristics of simple and reliable connection, high universality, low cost and the like, so that the lamp body 200 can be installed by rotating the lamp body 200 during installation, and the lamp body 200 is easy to replace and has excellent replaceability.

In an alternative embodiment, the electrical connection socket 500 has a mounting groove, the limiting hole 510 is disposed on the bottom wall of the mounting groove, the lamp body 200 has an annular recess 240, the annular recess 240 is disposed around the conductive pin 600, when the conductive pin 600 is rotatably engaged with the electrical connection socket 500, the conductive pin 600 is inserted into the mounting groove, the electrical connection socket 500 can extend into the annular recess 240 around the peripheral wall of the mounting groove, so that the gap between the lamp body 200 and the mounting socket is small, the distance from the lamp body 200 to the roof is reduced, and the ceiling lamp is thinner as a whole.

In the embodiment of the present invention, in the mounting seat 100 and the lamp body 200, one is provided with the clamping portion, and the other is provided with the clamping groove portion matched with the clamping portion, when the conductive pin 600 is clamped with the electrical connection seat 500 in a rotating manner, the clamping portion can be screwed into the clamping groove portion to stop the lamp body 200 in the thickness direction of the ceiling lamp, so as to prevent the lamp body 200 from being detached from the mounting seat 100.

In an alternative embodiment, the engaging portion is disposed on the mounting base 100, the engaging portion is disposed on the lamp body, as shown in fig. 1, the mounting base 100 is provided with a first limiting stop piece 110 in an L shape, a engaging portion is defined between the first limiting stop piece 110 and the bottom wall of the mounting base 100, the lamp body 200 is provided with a first annular wall 230, the engaging portion is a second limiting stop piece 231 disposed on the inner wall of the first annular wall 230, and when the conductive pin 600 is rotatably engaged with the electrical connection base 500, the second limiting stop piece 231 is in limiting engagement with the first limiting stop piece 110.

Of course, in another alternative embodiment, the slot portion may be provided on the lamp body 200, and the clip portion is provided on the mounting seat 100.

The first annular wall 230 is further provided with a stop identification portion, the stop identification portion is arranged on one side of the clamping portion, so that the clamping groove portion cannot extend into the first annular wall 210 from the side, and the clamping groove portion is clamped and matched with the connecting portion from the other side of the clamping portion. So set up down, the user can see backstop sign portion 232 at first when installing the ceiling lamp of this embodiment, and the user will realize being difficult to the first spacing separation blade 110 of regional screw in at backstop sign portion 232 place, and can only deviate from the one side of backstop sign portion 232 from second spacing separation blade 231 just can screw in first spacing separation blade 110.

Of course, in order to ensure the smooth installation, the conductive pin 600 needs to be preset to be rotatably connected to the electrical connection socket 500 when the first limiting blocking piece 110 is screwed in from the side of the second limiting blocking piece 231 departing from the stopping mark portion 232; in the embodiment where the socket 520 is disposed at one end of the limiting hole 510 and the hanging portion 610 is disposed at one end of the conductive pin 600, when the first limiting blocking piece 110 needs to be screwed in from a side of the second limiting blocking piece 231 departing from the stopping mark portion 232, the hanging portion 610 can tend to align with the socket 520, so as to realize the rotary clamping of the conductive pin 600 and the electrical connection socket 500. On the other hand, the ceiling lamp of this embodiment is assembled by using a rotational clamping manner, and the assembly structure of the rotational clamping has a certain rotational stroke, and by providing the stop mark 232 of this embodiment, the first limiting block piece 110 can be prevented from being assembled from outside the rotational stroke.

The stop mark portion 232 includes a plurality of stop pieces distributed along the circumferential direction of the first annular wall 230, and the stop piece 232 is disposed on one side of the second limit stop piece 231 to perform stop mark on the first limit stop piece 110 on the side where the second limit stop piece 231 is clamped. Of course, the specific structure type of the stop mark 232 is not limited in this embodiment, and it may also be an integral limiting block or the like arranged along the circumferential direction of the first annular wall 230.

The ceiling lamp further comprises a light source module 400, the lamp body 200 is provided with a closed lamp cavity, and the light source module 400 is arranged in the lamp cavity and electrically connected with the conductive pins 600.

In an alternative embodiment, the lamp body 200 includes a main housing 210 and a mask 220, the mask 220 being coupled to the main housing 210 to define a lamp cavity therein.

The main housing 210 has a second annular wall 211 extending away from the mount 100 and the face shield 220 has a third annular wall 221 facing the mount 100.

The second annular wall 211 has a first anti-slip portion 212, the first anti-slip portion 212 has a guide wall 213 and a stop wall 214, the stop wall 214 is connected to the upper edge of the guide wall 213, the end of the third annular wall 221 has an outer flange 222, and the outer flange 222 is clamped into the main housing 210 through the guide wall 213 and abuts against the stop wall 214.

After the face guard 220 blocks in main casing 210 through outer flange 222, backstop wall 214 offsets with the outer flange, makes face guard 220 can not withdraw from in main casing 210 to make main casing 210 and face guard 220 connect and form a non-detachable whole, when changing lamps and lanterns, only need screw down the whole replacement of lamp body 200, because face guard 220 can not dismantle, strengthened the seal of lamp chamber, promoted the mosquito-proof worm performance of lamp body 200.

The power supply assembly 300 comprises a wiring terminal 310 and a cover plate 320 for covering the wiring terminal 310, the wiring terminal 310 is arranged on the mounting base 100, in order to facilitate connection, the top wall of the mounting base 100 is hollowed out, and the mains supply line can be connected to the wiring terminal 310 through the hollowed-out part.

The cover plate 320 is disposed on the connection terminal 310, and can cover the connection terminal 310, so as to improve the safety performance, and the electrical connection socket 500 is electrically connected to the connection terminal 310.

In an alternative embodiment, the electrical connection socket 500 has a conductive elastic piece therein, the conductive elastic piece is electrically connected to the power supply assembly 300, specifically, the conductive elastic piece is electrically connected to the connection terminal 310, when the conductive pin 600 is rotated to be inserted into the limiting hole 510, the conductive elastic piece is in elastic contact with the hanging portion 610, under the elastic force of the conductive elastic piece, the conductive elastic piece and the hole edge of the limiting hole 510 clamp the hanging portion 610 so that the conductive pin 600 is electrically connected to the connection terminal 310, and the conductive elastic piece limits the elastic clamping of the hanging portion 610, so that the conductive elastic piece is not easily separated from the connection terminal by sliding.

The light source module 400 includes a circuit board 410 and a light source 420, the light source 420 is disposed on the circuit board 410 and electrically connected to the circuit board 410, and the circuit board 410 is electrically connected to the conductive pins 600. In general, the light source 420 may preferably be an LED light source, which has the advantages of environmental protection, energy saving, long service life, and the like.

The mounting seat 100 has a fourth annular wall 120 extending toward the lamp body 200, the size of the fourth annular wall 120 is larger than that of the first annular wall 230, as shown in fig. 6, when the conductive pins 600 are rotatably connected with the electrical connection seat in a clamping manner, the first annular wall 230 is located in the fourth annular wall 120, the fourth annular wall 120 is adjacent to the top wall of the lamp body 200, and the first annular wall 230 is adjacent to the top wall of the mounting seat 100, so as to improve the connection tightness between the mounting seat 100 and the lamp body 200 and prevent external impurities from entering the ceiling lamp.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention.

Claims

1. A ceiling lamp, its characterized in that includes:

a mounting base (100);

a lamp body (200);

a power supply unit (300) provided to the mount (100);

the electric connection seat (500) is arranged on the mounting seat (100), and the electric connection seat (500) is electrically connected with the power supply assembly (300);

the lamp body (200) is provided with a conductive pin (600), the conductive pin (600) is rotatably clamped with the electric connection seat (500) so that the lamp body (200) is assembled on the mounting seat (100), and the conductive pin (600) is configured to be electrically communicated with the electric connection seat (500) when the conductive pin is clamped and matched with the electric connection seat (500).

2. The ceiling lamp according to claim 1, wherein the electrical connection seat (500) is provided with a limit hole (510) extending in an arc shape, one end of the limit hole (510) is provided with a socket (520), one end of the conductive pin (600) is provided with a hanging part (610), the size of the hanging part (610) is larger than the orifice size of the limit hole (510), the size of the hanging part (610) is smaller than the opening size of the socket (520), and the hanging part (610) is inserted into the limit hole (510) through the socket (520), so that the conductive pin (600) is slidably fitted in the limit hole (510) in the electrical connection seat (500).

3. The ceiling lamp according to claim 2, wherein a clamping portion (620) is provided in the middle of the conductive pin (600), and when the conductive pin (600) is slidably fitted in the electrical connection seat (500), the hanging portion (610) and the clamping portion (620) are both in limit fit with the hole edge of the limit hole (510);

the number of the limiting holes (510) and the number of the conductive pins (600) are two, each conductive pin (600) corresponds to one limiting hole (510), and the two conductive pins (600) are respectively a positive conductive pin and a negative conductive pin.

4. The ceiling lamp according to any one of claims 2 to 3, wherein the electrical connection socket (500) is a GU10 socket, and the conductive pins (600) are GU10 pins adapted to the GU10 socket.

5. The ceiling lamp of claim 4, wherein the electrical connection seat (500) is provided with a mounting groove, the limiting hole (510) is formed in a bottom wall of the mounting groove, the lamp body (200) is provided with an annular concave portion (240), the annular concave portion (240) is disposed around the conductive pin (600), and when the conductive pin (600) is rotatably engaged with the electrical connection seat (500), a peripheral wall of the electrical connection seat (500) around the mounting groove can extend into the annular concave portion (240).

6. The ceiling lamp according to any one of claims 1 to 3, wherein one of the mounting base (100) and the lamp body (200) is provided with a clamping portion, and the other one of the mounting base and the lamp body is provided with a clamping groove portion matched with the clamping portion, when the conductive pins (600) are rotatably clamped with the electrical connection base (500), the clamping portion can be screwed into the clamping groove portion to stop the lamp body (200) in the thickness direction of the ceiling lamp.

7. The ceiling lamp according to claim 6, wherein the mounting base (100) is provided with a first L-shaped limiting stop piece (110), the clamping groove portion is defined between the first limiting stop piece (110) and the bottom wall of the mounting base (100), the lamp body (200) is provided with a first annular wall (230), the clamping portion is a second limiting stop piece (231) arranged on the inner wall of the first annular wall (230), and when the conductive pin (600) is rotatably clamped with the electrical connection base (500), the second limiting stop piece (231) is in limiting fit with the first limiting stop piece (110).

8. The ceiling lamp according to any one of claims 1 to 3, further comprising a light source module (400), wherein the lamp body (200) has a sealed lamp cavity, and the light source module (400) is disposed in the lamp cavity and electrically connected to the conductive pins (600);

the lamp body (200) comprises a main housing (210) and a face shield (220), wherein the face shield (220) is connected to the main housing (210) to define the lamp cavity inside the main housing and the face shield;

the main housing (210) has a second annular wall (211) extending away from the mounting (100), and the face shield (220) has a third annular wall (221) facing the mounting (100);

the second annular wall (211) is provided with a first anti-dropping part (212), the first anti-dropping part (212) is provided with a guide wall (213) and a stopping wall (214), the stopping wall (214) is connected to the upper edge of the guide wall (213), the tail end of the third annular wall (221) is provided with an outer flange (222), and the outer flange (222) is clamped into the main shell (210) through the guide wall (213) and is abutted against the stopping wall (214);

the light source module (400) comprises a circuit board (410) and a light source (420), the light source (420) is arranged on the circuit board (410) and electrically connected with the circuit board (410), and the circuit board (410) is electrically connected with the conductive pins (600).

9. The ceiling lamp according to any one of claims 2 to 3, wherein the power supply assembly (300) comprises a connection terminal (310) and a cover plate (320) for covering the connection terminal (310), the connection terminal (310) is arranged on the mounting base (100), the cover plate (320) is arranged on the connection terminal (310), and the electrical connection base (500) is electrically connected with the connection terminal (310);

electrically conductive shell fragment has in electric connection seat (500), electrically conductive shell fragment with power supply unit (300) electricity is connected, works as electrically conductive foot (600) rotation card is gone into when spacing hole (510), electrically conductive shell fragment with hooking portion (610) elastic contact, and with the hole edge clamp of spacing hole (510) embraces hooking portion (610) so that electrically conductive foot (600) with power supply unit (300) electric conductance.

10. The ceiling lamp of claim 9, wherein the mounting base (100) has a fourth annular wall (120) extending toward the lamp body (200), the fourth annular wall (120) being adjacent to the top wall of the lamp body (200) when the conductive pins (600) are rotatably engaged with the electrical connection base.