CN220601336U - Combined down lamp convenient to disassemble and assemble - Google Patents

Abstract

The utility model relates to the technical field of lamps, in particular to a combined down lamp convenient to assemble and disassemble, which comprises an outer shell and a lamp assembly, wherein the outer shell comprises a middle ring assembly and a face ring assembly, the middle ring assembly and the face ring assembly are connected in a buckling manner, and the middle ring assembly and the face ring assembly can be rotatably arranged; the lamp assembly comprises a radiator assembly and a reflecting cup assembly, and the radiator assembly is in buckling connection with the reflecting cup assembly; the lamp assembly is detachably arranged in the outer shell, and the lamp assembly and the outer shell are movably arranged. The middle ring component and the face ring component are connected in a buckling manner, the radiator component and the reflecting cup component are connected in a buckling manner, and the lamp component and the outer shell are detachably connected, so that the combined down lamp convenient to assemble and disassemble is formed, and the combined down lamp is simple in structure, very convenient to assemble and disassemble and convenient to maintain in the later period.

Description

Combined down lamp convenient to disassemble and assemble

Technical Field

The utility model relates to the technical field of lamps, in particular to a combined down lamp convenient to assemble and disassemble.

Background

In recent years, the performance of the LED lamp is continuously improved, and compared with the traditional lamp, the LED lamp has advantages in various aspects such as service life, starting time, stability, safety, environmental protection and the like, and the LED lamp gradually replaces the traditional lamp; the LED lamps can be divided into a fixed type LED lamp and an adjustable type LED lamp according to whether the bright projection direction can be regulated, and the adjustable type LED lamp mainly depends on that an angle regulating device is additionally arranged on the lamp, so that the lamp can regulate the illumination angle in multiple directions, and the special illumination requirement of a user is met; the down lamp belongs to one of the LED lamps, and can be used for giving enough light to the commodity so as to present good visual effect. Currently, down lamps on the market cannot be disassembled or are difficult to disassemble after being assembled, so that later maintenance is difficult or inconvenient.

In view of the above-mentioned existing problems, chinese patent publication No. CN207796797U discloses an easy-to-disassemble down lamp, which comprises a radiator, a light source, a swinging ring, a connecting ring, an outer ring, and a fixed ring, wherein the radiator is internally provided with a non-zooming cylinder, the side surface of the radiator is slidably provided with a light shielding plate, the light source is fixed on the non-zooming cylinder through a fixed bracket, the bottom of the light source is fixed with an upper reflecting cup, a honeycomb plate is clamped between the upper reflecting cup and an inner ring, the inner ring is clamped on the inner wall of the non-zooming cylinder, the swinging ring is arranged on the rotating ring, the connecting ring is fixedly connected with the rotating ring, the rotating ring is internally provided with the rotating ring and the fixed ring, two sides of the outer ring are provided with pressing plates connected with the outer ring by adjusting screws, the bottom of the rotating ring is adsorbed with an anti-dazzle cover by a plurality of absorbing irons, the upper end of the fixed ring is clamped with the bottom of the rotating ring, the fixed ring is fixedly provided with a pinion and a plurality of beads, the side surface of the pinion is rotatably connected with the rotating ring, and an angle adjusting mechanism is arranged between the connecting ring and the swinging ring. According to the prior art, the fixed ring is fixedly provided with a plurality of collision beads, so that the fixed ring and the rotary ring can be disassembled and assembled; however, other structures of this prior art still cannot be removed or are difficult to remove, resulting in difficult or inconvenient maintenance at a later stage.

Thus, there is room for improvement in the art.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a combined down lamp convenient to assemble and disassemble, which has a simple structure, is very convenient to assemble, assemble and disassemble, and is convenient for later maintenance.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the combined down lamp comprises an outer shell and a lamp assembly, wherein the outer shell comprises a middle ring assembly and a face ring assembly, the middle ring assembly and the face ring assembly are connected in a buckling manner, and the middle ring assembly and the face ring assembly are rotatably arranged; the lamp assembly comprises a radiator assembly and a reflecting cup assembly, and the radiator assembly is in buckling connection with the reflecting cup assembly; the lamp assembly is detachably arranged in the outer shell, and the lamp assembly and the outer shell are movably arranged.

According to the scheme, be equipped with spacing on the inner wall of zhong pin subassembly, be equipped with the spacing groove on the outer wall of radiator unit, spacing is pegged graft with the spacing groove cooperation.

According to the scheme, be equipped with the cantilever on the inner wall of zhong zhu ji, the bottom of cantilever is equipped with the projection, and the projection can swing about the inner wall of zhong zhi ji relatively, is equipped with track one and track two on the outer wall of radiator unit, and track one and the bottom intercommunication of track two constitute U type track, and the projection cooperation inserts in track one, and the interval of track one inner wall one side is equipped with can with the last gear and the lower gear of projection cooperation screens.

According to the scheme, one side of the first track is provided with a first inclined plane, the lower side of the opening of the upper gear is provided with a second inclined plane, and the lower side of the opening of the lower gear is provided with a third inclined plane.

According to the scheme, the middle ring assembly comprises an outer ring and two side plastic plates, the two sides of the inner wall of the outer ring are symmetrically provided with the mounting blocks, and the two side plastic plates are symmetrically fixed on the mounting blocks through screws.

According to the scheme, the lower part of the radiator assembly is provided with the second clamping hole, the upper part of the reflecting cup assembly is provided with the buckle, and the buckle is connected with the second clamping hole through the buckle.

According to the scheme, the bottom of the middle ring assembly is provided with the clamping block II and the positioning beads at intervals, the inner wall of the face ring assembly is provided with the annular clamping strips and the annular clamping grooves which are arranged up and down at intervals, the clamping block II is matched with the clamping blocks to be buckled in the annular clamping grooves, and the positioning beads are abutted to the clamping teeth of the annular clamping strips.

According to the scheme, the radiator comprises a radiator assembly, and is characterized by further comprising a wiring terminal, wherein the wiring terminal comprises a wiring male end and a wiring female end, the wiring female end is fixed in a mounting groove of the radiator assembly and is electrically connected with a built-in light source assembly of the radiator assembly, and the wiring male end is matched and spliced with the wiring female end.

According to the scheme, one side of the wiring female end is provided with the first clamping block, one side of the wiring male end is provided with the elastic poking piece, one end of the elastic poking piece is provided with the first clamping hole, and the first clamping block is connected with the first clamping hole through a buckle.

According to the above scheme, the radiator assembly includes inner shell, radiating piece, light source mount and focusing subassembly, and the radiating piece is installed in the inner shell, and the radiating piece can rotate and fix a position relative to the inner shell for adjust the light-emitting angle, be equipped with the inner chamber in the radiating piece, the light source passes through the light source mount and installs in the inner chamber, focusing subassembly detachably installs on the opening of inner chamber.

According to the scheme, the outer wall of the heat dissipation piece is provided with the angle scale marks.

According to the above scheme, the radiator assembly comprises an inner shell, a heat radiating piece, a light source fixing frame, a silica gel ring, a light changing piece and an inner ring, wherein the heat radiating piece is installed in the inner shell and can rotate and position relative to the inner shell and is used for adjusting a light emitting angle, an inner cavity is formed in the heat radiating piece, the light source is installed in the inner cavity through the light source fixing frame, the light changing piece and the silica gel ring are sequentially installed in the inner ring to form an inner ring assembly, and the inner ring assembly is detachably installed on an opening of the inner cavity.

According to the above scheme, the radiator assembly comprises an inner shell, a heat radiating piece, a light source fixing frame, a lens or a reflecting cup, a silica gel ring, a light changing piece and an inner ring, wherein the heat radiating piece is installed in the inner shell, the heat radiating piece can rotate and position relative to the inner shell and is used for adjusting a light emitting angle, an inner cavity is formed in the heat radiating piece, the light source is installed in the inner cavity through the light source fixing frame, the light changing piece and the silica gel ring are sequentially installed in the inner ring to form an inner ring assembly, the inner ring assembly is detachably installed on an opening of the inner cavity, and the lens or the reflecting cup is installed between the inner ring assembly and the light source.

The utility model has the beneficial effects that:

the middle ring component and the face ring component are connected in a buckling manner, the radiator component and the reflecting cup component are connected in a buckling manner, and the lamp component and the outer shell are detachably connected, so that the combined down lamp convenient to assemble and disassemble is formed, and the combined down lamp is simple in structure, very convenient to assemble and disassemble and convenient to maintain in the later period.

Drawings

FIG. 1 is a general block diagram of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is an exploded view of a ring assembly and a face ring assembly of the present utility model;

FIG. 4 is an exploded view of the heat sink assembly and reflector cup assembly of the present utility model;

FIG. 5 is an assembly view of a ring assembly and a face ring assembly of the present utility model;

FIG. 6 is an assembled view of the heat sink assembly and reflector cup assembly of the present utility model;

FIG. 7 is an exploded view of the ring assembly of the present utility model;

FIG. 8 is a cross-sectional view of the present utility model with the post in an up-shift position;

FIG. 9 is a cross-sectional view of the post of the present utility model in a lower gear position;

figure 10 is an assembled cross-sectional view of the terminal and heat sink assembly of the present utility model;

FIG. 11 is a state diagram of the heat sink assembly of the present utility model;

fig. 12 is an exploded view of a heat sink assembly in accordance with the first embodiment;

fig. 13 is an exploded view of a radiator module in a second embodiment;

fig. 14 is an exploded view of a radiator module in the third embodiment.

In the figure: 1. a connection terminal; 11. a wiring male terminal; 111. the first clamping hole is formed; 112. an elastic toggle member; 12. a wiring female end; 121. a clamping block I; 2. a heat sink assembly; 21. a mounting groove; 22. a second clamping hole; 23. a limit groove; 24. track one; 25. a first inclined surface; 26. an upper gear; 27. a second inclined surface; 28. a lower gear; 29. a third inclined surface; 210. a second track; 211. an inner housing; 212. a heat sink; 213. an angle adjusting screw; 214. a light source; 215. a light source fixing frame; 216. a focusing assembly; 217. an angle scale mark; 221. a silica gel ring; 222. a light-changing sheet; 223. an inner ring; 231. a lens; 232. a reflective cup; 3. a middle ring assembly; 31. a clamping block II; 32. positioning beads; 33. an outer ring; 34. a side plastic plate; 35. a mounting block; 36. a limit ; 37. a cantilever; 38. a convex column; 4. a face ring assembly; 41. a circular clamping groove; 42. a circular clamping strip; 5. a reflector cup assembly; 51. and (5) a buckle.

Detailed Description

The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.

Embodiment one:

as shown in fig. 1 to 12, the combined down lamp with convenient disassembly and assembly comprises an outer shell and a lamp assembly, wherein the outer shell comprises a middle ring assembly 3 and a face ring assembly 4, the middle ring assembly 3 and the face ring assembly 4 are in buckling connection, and the middle ring assembly 3 and the face ring assembly 4 are rotatably arranged; the lamp assembly comprises a radiator assembly 2 and a reflecting cup assembly 5, and the radiator assembly 2 is in buckling connection with the reflecting cup assembly 5; the lamp assembly is detachably arranged in the outer shell, and the lamp assembly and the outer shell are movably arranged. The middle ring component 3 and the face ring component 4 are connected in a buckling manner, the radiator component 2 and the reflecting cup component 5 are connected in a buckling manner, and the lamp component and the outer shell are detachably connected, so that the combined down lamp with convenient disassembly and assembly is formed, the structure is simple, the assembly and disassembly are very convenient, and the later maintenance is convenient.

In this embodiment, a limit 36 is disposed on the inner wall of the middle ring assembly 3, a limit groove 23 is disposed on the outer wall of the radiator assembly 2, and the limit is inserted into the limit groove 23 in a matching manner. The lamp assembly is mounted in the outer shell through the matching and inserting of the limit and the limit groove 23, after the lamp assembly is assembled, the radiator assembly 2 and the middle ring assembly 3 can be limited, and the radiator assembly 2 can be arranged in a rotating mode along with the middle ring assembly 3 and opposite to the middle ring assembly 4, so that the axial angle of the lamp assembly can be adjusted; it should be noted that, the opening of the limiting groove 23 is arranged in an inverted splayed structure, so that the plugging is more reliable and plays a certain guiding role.

In this embodiment, a cantilever 37 is disposed on the inner wall of the middle ring assembly 3, a boss 38 is disposed at the bottom of the cantilever 37, the boss 38 can swing left and right relative to the inner wall of the middle ring assembly 3, a first rail 24 and a second rail 210 are disposed on the outer wall of the radiator assembly 2, the first rail 24 is communicated with the bottom of the second rail 210 to form a U-shaped rail, the boss 38 is inserted into the first rail 24 in a matching manner, and an upper gear 26 and a lower gear 28 which can be clamped with the boss 38 in a matching manner are disposed at one side of the inner wall of the first rail 24 at intervals. The position of the heat sink assembly 2 within the middle ring assembly 3, and more particularly the height position of the lamp assembly within the outer housing, can be adjusted as desired. It should be noted that when the boss 38 is locked in the upper gear 26, the bottom of the lamp assembly extends 10cm out of the bottom of the outer housing; when the post 38 is snapped into the down range 28, the bottom of the lamp assembly is flush with the bottom of the outer housing.

In practical applications, the cantilever 37 is located at one side of the limit 36, the first rail 24 is located at one side of the limit slot 23, and the second rail 210 is located between the limit slot 23 and the first rail 24.

In this embodiment, a first inclined surface 25 is disposed on one side of the first rail 24, a second inclined surface 27 is disposed on the lower side of the opening of the upper gear 26, and a third inclined surface 29 is disposed on the lower side of the opening of the lower gear 28. When the protruding column 38 is located at the lower gear 28, the lamp assembly is pushed again, so that the protruding column 38 falls into the bottom position where the first rail 24 is communicated with the second rail 210 after being separated from the lower gear 28, and then the lamp assembly can be pulled out from the outer shell by pulling the lamp assembly downwards.

It should be noted that, in the initial state of the protruding column 38, the protruding column 38 is on the same straight line with the lower part of the second track 210, when assembled, the protruding column 38 will be against the first inclined plane 25, under the thrust action, the protruding column 38 will displace downwards along the first inclined plane 25, at this time, the protruding column 38 swings rightwards for a certain distance relative to the inner wall of the middle ring assembly 3, so that the cantilever 37 is in a compressed state, and when the protruding column 38 corresponds to the upper gear 26, the protruding column 38 swings leftwards under the action of the rebound force, so as to realize the clamping in the upper gear 26; under the action of continuous thrust, the convex column 38 can downwards displace along the second inclined plane 27, the convex column 38 is separated from the upper gear 26, and when the convex column 38 corresponds to the lower gear 28, the convex column can swing leftwards under the action of rebound force, so that the convex column 38 is clamped in the lower gear 28; under the action of the continuous pushing force, the protruding column 38 will move downward along the third inclined plane 29 until reaching the bottom position where the first rail 24 is communicated with the second rail 210, and under the action of the rebound force, the protruding column 38 moves to the lower portion of the second rail 210, and at this time, the protruding column 38 can be moved from the lower portion of the second rail 210 to the opening to be separated by pulling the lamp assembly downward.

More specifically, when the boss 38 is located at the lower portion of the first rail 24, the cantilever 37 is always in a compressed state.

In this embodiment, the middle ring assembly 3 includes an outer ring 33 and two side plastic plates 34, the two sides of the inner wall of the outer ring 33 are symmetrically provided with mounting blocks 35, and the two side plastic plates 34 are symmetrically fixed on the mounting blocks 35 by screws. The assembly is convenient, more specifically, the inner wall of the side plastic plate 34 is arranged in a plane, so that the side plastic plate is convenient to assemble with the radiator assembly 2, the outer wall of the side plastic plate 34 is arranged in an arc shape and matched with the inner wall of the outer ring 33, and after the assembly, the outer wall of the side plastic plate 34 is attached to the inner wall of the outer ring 33, so that the structure is more compact; in practical applications, the limiting members and the cantilever 37 are disposed on the side plastic plate 34.

In this embodiment, the lower portion of the heat sink assembly 2 is provided with a second clamping hole 22, and the upper portion of the reflector cup assembly 5 is provided with a fastener 51, where the fastener 51 is in fastening connection with the second clamping hole 22. The assembly is convenient, and when the assembly is disassembled, the reflecting cup assembly 5 can be pulled out from the radiator assembly 2 by pressing the buckle 51, so that the assembly is convenient to disassemble and convenient to maintain in the later period.

In this embodiment, the bottom of the middle ring assembly 3 is provided with a second clamping block 31 and a positioning bead 32 at intervals, the inner wall of the face ring assembly 4 is provided with an annular clamping strip 42 and an annular clamping groove 41 which are arranged at intervals and up and down, the second clamping block 31 is buckled in the annular clamping groove 41 in a matching manner, and the positioning bead 32 is abutted to the clamping teeth of the annular clamping strip 42. The assembly is convenient, and when the assembly is disassembled, the middle ring assembly 3 can be pulled out of the face ring assembly 4 by pressing the clamping block II 31, so that the assembly is convenient, and the later maintenance is convenient; it should be noted that, the middle ring assembly 3 and the face ring assembly 4 can axially rotate, and the positioning beads 32 are arranged on the middle ring assembly 3, so that the middle ring assembly 3 and the face ring assembly 4 are assembled, and the positioning beads 32 are abutted on the clamping teeth of the annular clamping strips 42, so that a certain positioning effect can be achieved under the condition of no stress influence; more specifically, since the middle ring assembly 3 is connected to the heat sink assembly 2, the heat sink 212 of the heat sink assembly 2 can drive the light source 214 to rotate at a certain angle, and the middle ring assembly 3 can rotate axially relative to the surface ring assembly 4, so as to further adjust the angle of the light source 214.

The utility model further comprises a wiring terminal 1, wherein the wiring terminal 1 comprises a wiring male end 11 and a wiring female end 12, the wiring female end 12 is fixed in a mounting groove 21 of the radiator assembly 2 and is electrically connected with a light source assembly arranged in the radiator assembly 2, and the wiring male end 11 is matched and spliced with the wiring female end 12. The circuit connection is realized in a plugging mode, and the assembly is convenient.

In this embodiment, a first clamping block 121 is disposed on one side of the connection female end 12, an elastic toggle member 112 is disposed on one side of the connection male end 11, a first clamping hole 111 is disposed at one end of the elastic toggle member 112, and the first clamping block 121 is in snap connection with the first clamping hole 111. When the connector is disassembled, the first clamping block 121 is separated from the first clamping hole 111 by pressing the elastic stirring piece 112, so that the wiring male end 11 can be pulled out from the wiring female end 12, and the connector is convenient to disassemble and convenient to maintain in the later period.

In this embodiment, the heat sink assembly 2 includes an inner housing 211, a heat dissipation member 212, a light source 214, a light source fixing frame 215 and a focusing assembly 216, wherein the heat dissipation member 212 is mounted in the inner housing 211, and the heat dissipation member 212 can rotate and be positioned relative to the inner housing 211 for adjusting the light emitting angle, an inner cavity is disposed in the heat dissipation member 212, the light source 214 is mounted in the inner cavity through the light source fixing frame 215, and the focusing assembly 216 is detachably mounted on an opening of the inner cavity. The light source 214 is installed in the inner cavity of the heat dissipation member 212, and is integrally structured with the heat dissipation member 212, so that the heat dissipation effect is better, and the service life of the light source 214 is effectively prolonged.

In practical application, the focusing assembly 216 is rotationally assembled and fastened on the heat dissipation element 212, so that the focusing assembly 216 can be conveniently and easily assembled and disassembled by bare hands, and accessories can be conveniently replaced; more specifically, the focus assembly 216 may be replaced with an inner ring assembly as described in embodiment two.

It should be noted that, the heat dissipation element 212 is installed in the inner housing 211 through the angle adjusting screw 213, preferably, the angle adjusting screw 213 passes through the inner housing 211 and is locked on the heat dissipation element 212, and the screw thread matching position is threaded with glue to prevent the screw from loosening; the angle adjusting screw 213 may directly abut against the outer wall of the heat sink 212 through the inner housing 211 to lock the heat sink 212; the angle adjusting screw 213 between the heat dissipating member 212 and the inner housing 211 is sleeved with a spacer with friction damping function, so that the above structural design can realize the convenience of arbitrary rotation/positioning of the angle of the heat dissipating member 212, and further adjust the light emitting angle of the light source 214. Of course, other structures, such as the engagement of the clamping post with the clamping groove, the engagement of the positioning bead with the clamping tooth, etc., can be used to achieve the effect of facilitating the arbitrary rotation/positioning of the angle of the heat sink 212, and further adjusting the light emitting angle of the light source 214, which is the object of the present utility model.

In this embodiment, an angle scale mark 217 is provided on the outer wall of the heat sink 212. The rotation angle of the heat sink 212 relative to the inner housing 211 can be precisely adjusted according to the angle scale marks 217.

Embodiment two:

as shown in fig. 13, the heat sink assembly 2 includes an inner housing 211, a heat dissipation member 212, a light source 214, a light source fixing frame 215, a silica gel ring 221, a light conversion sheet 222 and an inner ring 223, wherein the heat dissipation member 212 is installed in the inner housing 211, and the heat dissipation member 212 can rotate and be positioned relative to the inner housing 211 for adjusting the light emitting angle, an inner cavity is arranged in the heat dissipation member 212, the light source 214 is installed in the inner cavity through the light source fixing frame 215, the light conversion sheet 222 and the silica gel ring 221 are sequentially installed in the inner ring 223 to form an inner ring assembly, and the inner ring assembly is detachably installed on an opening of the inner cavity. When the light-changing sheet 222 is installed, the light-changing sheet 222 is installed in the inner ring 223, then the silica gel ring 221 is installed in the inner ring 223, the light-changing sheet 222 is pressed to form an inner ring assembly, and then the inner ring assembly is installed on an opening of an inner cavity; when the light-changing piece 222 needs to be replaced, the inner ring assembly is taken down, the silica gel ring 221 is taken out, the light-changing piece 222 is replaced, the silica gel ring 221 is installed in the inner ring 223, the light-changing piece 222 is pressed to form the inner ring assembly, and then the inner ring assembly is installed on an opening of an inner cavity. It should be noted that the silica gel ring 221 has a waterproof function, and can be applied to a wet or water-spraying environment such as a bathroom.

In practical application, the inner ring assembly is rotationally assembled and fastened on the heat dissipation part 212, so that the inner ring assembly can be conveniently and easily assembled and disassembled by bare hands, and the accessories can be conveniently replaced; more specifically, the inner ring assembly may be replaced with a focus adjustment assembly 216 as described in embodiment one.

The light-changing sheet 222 includes a single-sided polarizer, a double-sided polarizer, or any one of light-changing sheets with different angles.

The second embodiment is different from the first embodiment in that the structure of the heat sink assembly 2 is slightly different, and more specifically, the focusing assembly 216 of the first embodiment is replaced by an inner ring assembly, and the rest of the structure and the working principle are the same as those of the first embodiment, and the repeated description is omitted.

Embodiment III:

as shown in fig. 14, the heat sink assembly 2 includes an inner housing 211, a heat dissipating member 212, a light source 214, a light source fixing frame 215, a lens 231 (or a reflective cup 232), a silicone ring 221, a light converting sheet 222 and an inner ring 223, wherein the heat dissipating member 212 is mounted in the inner housing 211, and the heat dissipating member 212 can rotate and position relative to the inner housing 211 for adjusting the light emitting angle, an inner cavity is disposed in the heat dissipating member 212, the light source 214 is mounted in the inner cavity through the light source fixing frame 215, the light converting sheet 222 and the silicone ring 221 are sequentially mounted in the inner ring 223 to form an inner ring assembly, the inner ring assembly is detachably mounted on an opening of the inner cavity, and the lens 231 (or the reflective cup 232) is mounted between the inner ring assembly and the light source 214.

The third embodiment is different from the first embodiment in that the structure of the heat sink assembly 2 is slightly different, more specifically, the lens 231 (or the reflective cup 232) is added on the basis of the second embodiment, and the rest of the structure and the working principle are the same as those of the first embodiment, so that the repeated description is omitted.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.

Claims (10)

1. A combination down lamp convenient to disassemble and assemble is characterized by comprising:

the shell comprises a middle ring component and a face ring component, the middle ring component and the face ring component are connected in a buckling manner, and the middle ring component and the face ring component are rotatably arranged;

the lamp assembly comprises a radiator assembly and a reflecting cup assembly, and the radiator assembly is in buckling connection with the reflecting cup assembly; the lamp assembly is detachably arranged in the outer shell, and the lamp assembly and the outer shell are movably arranged.

2. The modular down lamp of claim 1, wherein: be equipped with spacing on the inner wall of zhong pin subassembly, be equipped with the spacing groove on the outer wall of radiator unit, spacing is pegged graft with the spacing groove cooperation.

3. The modular down lamp of claim 2, wherein: the inner wall of middle ring subassembly is equipped with the cantilever, the bottom of cantilever is equipped with the projection, the projection can swing about middle ring subassembly's inner wall relatively, be equipped with track one and track two on radiator subassembly's the outer wall, track one and track two's bottom intercommunication constitute U type track, the projection cooperation inserts in track one, the interval of track one inner wall one side is equipped with can with the last gear and the lower gear of projection cooperation screens.

4. A modular down lamp according to claim 3, wherein: one side of the first track is provided with a first inclined plane, the lower side of the opening of the upper gear is provided with a second inclined plane, and the lower side of the opening of the lower gear is provided with a third inclined plane.

5. A modular down lamp according to any one of claims 1-3, wherein: the middle ring assembly comprises an outer ring and two side plastic plates, wherein mounting blocks are symmetrically arranged on two sides of the inner wall of the outer ring, and the two side plastic plates are symmetrically fixed on the mounting blocks through screws.

6. The modular down lamp of claim 1, wherein: the lower part of the radiator assembly is provided with a second clamping hole, the upper part of the reflecting cup assembly is provided with a buckle, and the buckle is connected with the second clamping hole in a buckling manner.

7. The modular down lamp of claim 1, wherein: the bottom of the middle ring component is provided with a second clamping block and a positioning bead at intervals, the inner wall of the face ring component is provided with a circular clamping strip and a circular clamping groove which are arranged at intervals and up and down, the second clamping block is buckled in the circular clamping groove in a matched mode, and the positioning bead is abutted to the clamping teeth of the circular clamping strip.

8. The modular down lamp of claim 1, wherein: the radiator assembly is characterized by further comprising a wiring terminal, wherein the wiring terminal comprises a wiring male end and a wiring female end, the wiring female end is fixed in a mounting groove of the radiator assembly and is electrically connected with a light source assembly arranged in the radiator assembly, and the wiring male end is matched and spliced with the wiring female end.

9. The modular down lamp of claim 8, wherein: one side of the wiring female end is provided with a clamping block I, one side of the wiring male end is provided with an elastic poking piece, one end of the elastic poking piece is provided with a clamping hole I, and the clamping block I is connected with the clamping hole I in a clamping mode.

10. The modular down lamp of claim 1, wherein: the radiator assembly comprises an inner shell, a radiating piece, a light source fixing frame and a focusing assembly, wherein the radiating piece is installed in the inner shell and can rotate and position relative to the inner shell and used for adjusting the light emitting angle, an inner cavity is formed in the radiating piece, the light source is installed in the inner cavity through the light source fixing frame, and the focusing assembly is detachably installed on an opening of the inner cavity.