CN216844294U - Cylinder lamp - Google Patents

Abstract

The utility model relates to a lighting device technical field specifically is down lamp, and it includes collar and lamp body, collar detachably installs on the lamp body, the collar is equipped with first installation department and second installation department, first rectangular hole has been seted up on the first installation department, the rectangular hole of second has been seted up on the second installation department, first rectangular hole with the rectangular hole of second is used for supplying the fastener to pass with the collar is fixed on the installation face. The mounting ring is provided with the first long strip hole and the second long strip hole in long strips, so that the mounting ring can be conveniently mounted on the mounting surface, and the specific position of the mounting ring can be conveniently adjusted when the precision of the hole position on the mounting surface is insufficient; even after the first installation part is fixed with the installation surface, the position of one end of the second installation part can be adjusted, and the requirements of the second strip hole corresponding to the hole positions on the installation surface can be met.

Description

Cylinder lamp

Technical Field

The utility model relates to a lighting device technical field specifically is down lamp.

Background

A lamp is a general term for a lighting tool, and refers to an appliance capable of transmitting light, distributing and changing light distribution of a light source; the lamp comprises a light source, all parts required for fixing and protecting the light source, and circuit accessories necessary for connecting with a power supply. Some existing down lamps can be directly fixed on a mounting surface through screws, but before mounting, holes are generally required to be formed in the mounting surface firstly, and the holes in the mounting surface are required to be located on the down lamps and need to be accurately aligned, so that the mounting process is troublesome, and the positions cannot be slightly adjusted during fixing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a down lamp aims at solving and installs comparatively trouble among the prior art, can't suitably adjust the technical problem of lamps and lanterns position during the installation.

In order to achieve the above object, the utility model provides a down lamp, including collar and lamp body, collar detachably installs on the lamp body, the collar is equipped with first installation department and second installation department, first rectangular hole has been seted up on the first installation department, the rectangular hole of second has been seted up on the second installation department, first rectangular hole with the rectangular hole of second is used for supplying the fastener to pass with the collar is fixed on the installation face.

Preferably, the first mounting portion and the second mounting portion are arranged in bilateral symmetry relative to the center of the mounting ring, and the length direction of the first elongated hole is perpendicular to the length direction of the second elongated hole. When the mounting ring is installed at the mounting surface, the mounting ring can be adjusted along different directions, and can be more suitable for the mounting surface with larger hole site deviation, the precision requirement is not so high when the mounting surface is perforated, the hole site is also more convenient and quicker to perforate, and the problems that the hole site has deviation and needs to be repeatedly perforated can be avoided.

Preferably, the side wall of the lamp body is provided with a clamping part, and a clamping cavity is arranged right below the clamping part; the lateral wall of collar is equipped with first buckle, first buckle lock is in the chucking intracavity. Overall structure is comparatively simple, and need not other fasteners, and the assembly and the dismantlement of lamp body and collar are all comparatively convenient, swift, and more firm after the installation.

Preferably, the lamp body has at least two around its central evenly distributed the chucking part, the quantity of first buckle with the quantity of chucking part is the same, just first buckle with the chucking part one-to-one. The stability of the structure after the lamp body and the mounting ring are assembled can be improved, the mounting ring bears the weight of the lamp body more uniformly, the mounting ring is not easy to loosen and fall off relatively to the mounting surface, and the lamp body is not easy to loosen and fall off relatively to the mounting ring.

Preferably, a boss is arranged on the first buckle, a groove is formed in the clamping portion, and the boss is clamped in the groove. Set up boss and recess, make lamp body and collar assembly back, first buckle can not be followed the chucking intracavity easily and is unscrewed, lamp body and collar can not loosen easily, drop, be dismantled, guarantee overall structure's stability.

Preferably, along the buckling-in direction of the buckle, the end face of the clamping part close to the clamping cavity is provided with an inclined face gradually close to the first buckle. Make things convenient for the assembly of lamp body and collar, and both are difficult for droing after the assembly, guarantee structural stability.

Preferably, a supporting table is arranged on one side of the first buckle of the mounting ring, and the supporting table is clamped in the clamping cavity. Utilize the brace table to share the gravity of some lamp bodies, avoid first buckle to warp, elastic deformation inefficacy, fracture even, guarantee that lamp body and collar assembly are firm.

Preferably, the lamp body includes a lamp barrel, a power supply box and a light source, the power supply box with the light source all sets up in the lamp barrel, just the power supply box with the collar can be dismantled and be connected.

Preferably, the power supply box comprises a box body, a base and a power supply assembly, the power supply assembly is arranged in the box body, the lower end of the box body is open, the interior of the box body is hollow, and the base is arranged at the opening at the lower end of the box body; the box body is provided with a clamping groove, the base is provided with a second buckle and a third buckle, the second buckle is buckled in the clamping groove, and the third buckle is buckled on the power supply assembly; the box body is provided with heat dissipation holes.

Preferably, the lamp body still includes solid fixed ring, reflection of light cup, diffuser plate and bottom ring, gu fixed ring installs on the power pack, the light source with reflection of light cup all installs gu fixed ring is last, just reflection of light cup is located the place ahead of light source, the diffuser plate is installed reflection of light cup is kept away from the one end of light source, the bottom ring inlays to be established in the lamp section of thick bamboo, and support in reflection of light cup keeps away from the one end of light source.

The utility model relates to a down lamp has following beneficial effect at least: the first strip hole and the second strip hole are formed, so that the connection stability of the mounting ring and the mounting surface can be improved; and when the device is installed, one end of the device is fixed by a fastener, and the other end of the device can be adjusted to be fixed according to actual conditions so as to meet the use requirements. The mounting ring is provided with the first long strip hole and the second long strip hole in long strips, so that the mounting ring can be conveniently mounted on the mounting surface, and the specific position of the mounting ring can be conveniently adjusted when the precision of the hole position on the mounting surface is insufficient; even after the first installation part is fixed with the installation surface, the position of one end where the second installation part is located can still be adjusted, and the requirement that the second strip-shaped hole corresponds to the hole position on the installation surface can be met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of the down lamp of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the down lamp of the present invention;

fig. 3 is a schematic view of an explosion structure of the down lamp of the present invention;

FIG. 4 is a schematic structural view of the mounting ring of the present invention;

fig. 5 is a schematic top view of the mounting ring of the present invention;

fig. 6 is an explosion structure diagram of the power supply box of the present invention;

FIG. 7 is a schematic structural view of the box body of the present invention;

fig. 8 is a schematic view of the cross-sectional structure of the box body of the present invention.

In the drawings: 1-mounting ring, 11-first mounting part, 111-first strip hole, 12-second mounting part, 121-second strip hole, 13-first buckle, 131-boss, 14-support platform, 2-lamp body, 21-clamping part, 211-groove, 212-inclined plane, 22-clamping cavity, 23-lamp tube, 24-power box, 241-box body, 2411-clamping groove, 2412-heat dissipation hole, 242-base, 2421-second buckle, 2423-third buckle, 243-power supply component, 25-light source, 26-fixing ring, 27-reflection cup, 28-diffusion plate and 29-bottom ring.

The objects, features and advantages of the present invention will be further described with reference to the accompanying 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, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly 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.

As shown in fig. 1 to 8, the down lamp includes a mounting ring 1 and a lamp body 2, the mounting ring 1 is detachably mounted on the lamp body 2, the mounting ring 1 is provided with a first mounting portion 11 and a second mounting portion 12, the first mounting portion 11 is provided with a first strip hole 111, the second mounting portion 12 is provided with a second strip hole 121, and the first strip hole 111 and the second strip hole 121 are used for a fastener to pass through so as to fix the mounting ring 1 on a mounting surface.

Specifically, referring to fig. 1 to 5, 7 and 8, the mounting ring 1 is used to mount the lamp body 2 on a mounting surface (such as a ceiling, a wall, etc.), and the lamp body 2 is provided with a light source 25 for illuminating by emitting light outwards. The mounting ring 1 is of an annular structure, the interior of the mounting ring is hollow, two ends of the mounting ring are open, a first mounting part 11 and a second mounting part 12 which extend inwards are arranged on the inner wall of the mounting ring 1, and the first mounting part 11 and the second mounting part 12 are located at one end far away from the lamp body 2; the first mounting portion 11 is provided with a first elongated hole 111, and the second mounting portion 12 is provided with a second elongated hole 121. When installing collar 1 on the installation face, need to adopt the fastener to fix collar 1, specific flow is: a fastener (e.g., a screw, a nail, etc.) is inserted through the first elongated hole 111 and into the mounting surface, and the first mounting portion 11 is sequentially fixed to the mounting surface in close contact therewith, and another fastener is inserted through the second mounting hole and into the mounting surface, thereby fixing the entire mounting ring 1 to the mounting surface. The existing down lamp needs to be installed on an installation surface, and an installation support is usually required to be added, so that the structure is complex and the installation is troublesome. The first long hole 111 and the second long hole 121 are formed, so that the connection stability of the mounting ring 1 and a mounting surface can be improved; and when the device is installed, one end of the device is fixed by a fastener, and the other end of the device can be adjusted to be fixed according to actual conditions so as to meet the use requirements. Some existing down lamps can be directly fixed on a mounting surface by screws, but before mounting, holes are generally required to be formed in the mounting surface, so that the holes in the mounting surface are required to be positioned in the holes in the down lamps and need to be accurately aligned, and the positions cannot be slightly adjusted during fixing; according to the scheme, the mounting ring 1 is provided with the first long-strip-shaped hole 111 and the second long-strip-shaped hole 121, so that the mounting ring 1 can be conveniently mounted on a mounting surface, and when the precision of hole positions on the mounting surface is insufficient, the specific position of the mounting ring 1 can be conveniently adjusted; even after the first mounting portion 11 is fixed to the mounting surface, the position of the end of the second mounting portion 12 can be adjusted, and the requirement that the second elongated hole 121 corresponds to the hole position on the mounting surface can be met.

Further, as shown in fig. 4 and 5, the first mounting portion 11 and the second mounting portion 12 are symmetrically disposed at left and right sides with respect to the center of the mounting ring 1, and the length direction of the first elongated hole 111 is perpendicular to the length direction of the second elongated hole 121.

Assuming that the length direction of the second elongated hole 121 is the length direction in which the first and second mounting portions 11 and 12 are connected, the length direction of the first elongated hole 111 is perpendicular to the length direction in which the first and second mounting portions 11 and 12 are connected; during installation, a fastener is firstly used for penetrating through the first long hole 111 to connect the first installation part 11 with the installation surface, then the second long hole 121 is adjusted to correspond to the hole position of the installation surface, and finally another fastener is used for penetrating through the second long hole 121 to connect the second installation part 12 with the installation surface. Since the first elongated hole 111 and the second elongated hole 121 are both elongated hole sites, the adjustment position is generally adjusted along the length direction of the hole sites; the first strip-shaped hole 111 and the second strip-shaped hole 121 are bilaterally symmetrical along the center of the mounting ring 1 and are perpendicular to each other, so that the mounting ring 1 can be adjusted along different directions when being mounted on a mounting surface, the mounting ring is more suitable for mounting surfaces with large hole site deviation, the precision requirement is not high when holes are formed in the mounting surfaces, the holes are more conveniently and quickly formed, and the problems that the holes are deviated and need to be repeatedly formed can be solved.

Further, as shown in fig. 4, 5, 7 and 8, the side wall of the lamp body 2 is provided with a clamping part 21, and a clamping cavity 22 is arranged right below the clamping part 21; the side wall of the mounting ring 1 is provided with a first buckle 13, and the first buckle 13 is buckled in the clamping cavity 22.

The up end relative sidewall of lamp body 2 sinks, and the relative up end of the sidewall of lamp body 2 is outstanding promptly, is equipped with inside outstanding chucking part 21 on the inside wall of lamp body 2, and chucking part 21 is the strip structure that extends along the circumferencial direction of lamp body 2 lateral wall, has the clearance under chucking part 21, and this clearance is promptly for holding the chamber. The outer side wall of the mounting ring 1 is provided with a first buckle 13 extending outwards, the first buckle 13 is specifically arranged on the side wall of the position where the mounting ring 1 is connected with the lamp body 2, and the position of the first buckle 13 corresponds to the position of the clamping part 21. When the lamp body 2 is assembled with the mounting ring 1, the first buckle 13 is aligned to the opening of the clamping cavity 22, then the lamp body 2 is rotated, the first buckle 13 is clamped in the clamping cavity 22, and the lower end of the clamping part 21 is clamped to the first buckle 13 so that the lamp body 2 is mounted on the mounting ring 1; when the lamp body 2 needs to be detached from the mounting ring 1, the lamp body 2 is rotated in the opposite direction, so that the first latch 13 is separated from the fastening cavity 22. A lot of down lamps of current need the installing support to be connected usually between lamp body 2 and ceiling or the wall, and lamp body 2 generally adopts the buckle or beats the mode of screw fixed with the mounting bracket, and the structure is comparatively complicated, and assembly and dismantlement are all inconvenient. And this technical scheme sets up chucking part 21 on lamp body 2, sets up first buckle 13 on collar 1, makes both assemble together through rotatory mode, and overall structure is comparatively simple, and need not other fasteners, and the assembly and the dismantlement of lamp body 2 and collar 1 are all comparatively convenient, swift, and more firm after the installation.

Further, as shown in fig. 4 and 5, at least two of the fastening parts 21 are uniformly distributed around the center of the lamp body 2, the number of the first fasteners 13 is the same as that of the fastening parts 21, and the first fasteners 13 correspond to the fastening parts 21 one to one.

The lamp body 2 is cylindrical, at least two clamping parts 21 (such as two, three, four and the like) are uniformly distributed around the center (point on the central axis) of the lamp body 2, the number of the first buckles 13 on the mounting ring 1 is the same as that of the clamping parts 21, and the positions of the first buckles 13 and the clamping parts 21 are in one-to-one correspondence. For example, the base 242 is provided with two fastening parts 21, i.e., a first fastening part 21 and a second fastening part 21; the shell is also provided with two buckles, namely a first buckle 13 and a second buckle 13; after the lamp body 2 and the mounting ring 1 are assembled together, the first buckle 13 corresponds to the first clamping part 21 (namely, the first buckle 13 is clamped in the clamping cavity 22 right below the first clamping part 21), and the second buckle 13 corresponds to the second clamping part 21. Through setting up two at least chucking parts 21 and the first buckle 13 that the quantity is the same with it, can improve the stability of lamp body 2 and the assembly back structure of collar 1, and collar 1 bears the gravity of lamp body 2 more even, and collar 1 is difficult for the installation face relative not hard up, drops, and collar 1 is difficult for the lamp body 2 to be difficult for the relative not hard up, drops.

Further, as shown in fig. 4 and 5, a boss 131 is disposed on the first buckle 13, a groove 211 is disposed on the clamping portion 21, and the boss 131 is clamped in the groove 211.

The end surface of the first buckle 13 close to the clamping part 21 is provided with a boss 131 extending upwards, the end surface of the boss 131 can be a cambered surface, and the boss 131 is made of a material (such as plastic and rubber) with certain elastic deformation capacity; specifically, the mounting ring 1, the first catch 13 and the boss 131 are of an integrally formed structure. The clamping part 21 is provided with a groove 211, and the mounting body is arranged on the lower end face of the clamping part 21; when the lamp body 2 is assembled with the mounting ring 1, the first latch 13 is latched in the latch cavity 22, and the protrusion 131 is latched in the groove 211. Set up boss 131 and recess 211, make lamp body 2 and collar 1 assembly back, first buckle 13 can not easily be followed in the chucking chamber 22 by the back of being unscrewed, lamp body 2 and collar 1 can not easily loosen, drop, be dismantled, guarantee overall structure's stability. It should be noted that when a plurality of fastening parts 21 and a plurality of first buckles 13 are provided, a groove 211 may be formed on each fastening part 21, and a boss 131 is formed on each first buckle 13, or a groove 211 may be formed on one or more fastening parts 21, and a boss 131 is correspondingly formed on the first buckle 13 corresponding to the fastening part 21 on which the groove 211 is formed.

Further, as shown in fig. 7 and 8, in the fastening direction of the first catch 13, an end surface of the fastening part 21 close to the fastening cavity 22 has an inclined surface 212 gradually approaching the first catch 13.

At least one part of the end surface of the clamping part 21 in the clamping cavity 22 is an inclined surface 212, and along the buckling direction of the first buckle 13, the inclined surface 212 gradually approaches the first buckle 13 from the side far away from the first buckle 13; that is, the space of the chucking chamber 22 is larger at the position of the front end of the chucking part 21 and is smaller at the position of the end of the chucking part 21 near thereto; the lowest point of the inclined surface 212 is lower than the upper end surface of the first catch 13. So set up, can make first buckle 13 at the in-process of card income chucking chamber 22, can make things convenient for the light screw in chucking chamber 22 of first buckle 13 at first, at continuous screw in-process, it is inseparabler with the laminating of chucking part 21, the extrusion force that receives chucking part 21 is big more, makes lamp body 2 and collar 1 be difficult for droing, guarantees structural stability.

Further, as shown in fig. 4 and 5, a support 14 is disposed on one side of the first buckle 13 of the mounting ring 1, and the support 14 is clamped in the clamping cavity 22.

The outer side wall of the mounting ring 1 is provided with a support platform 14 extending outwards, the support platform 14 is positioned at one side of the first buckle 13, and the support platform 14 and the first buckle 13 are positioned at the same horizontal height; along the direction that first buckle 13 blocks into chucking chamber 22, brace table 14 is located the place ahead of first buckle 13, when lamp body 2 assembles with collar 1, makes brace table 14 block into chucking chamber 22 earlier, makes first buckle 13 block into chucking chamber 22 again. After the support table 14 is fitted into the chucking chamber 22, the upper end surface of the support table 14 and the lower end surface of the chucking portion 21 are in contact with each other and pressed against each other. Be equipped with brace table 14, area of contact between multiplicable lamp body 2 and the collar 1 utilizes brace table 14 to share the gravity of some lamp bodies 2, avoids first buckle 13 to receive the power of lamp body 2 too big, consequently can avoid first buckle 13 to warp, elastic deformation inefficacy, fracture even, guarantees that lamp body 2 and collar 1 assemble firmly.

Further, as shown in fig. 1 to 3 and 6, the lamp body 2 includes a lamp tube 23, a power supply box 24 and a light source 25, the power supply box 24 and the light source 25 are both disposed in the lamp tube 23, and the power supply box 24 is detachably connected to the mounting ring 1.

The lamp tube 23 is a cylinder with a hollow interior and two open ends, and the power supply box 24 is a cylinder with an outer diameter slightly smaller than the inner diameter of the lamp tube 23; the power supply box 24 and the light source 25 are both arranged in the lamp tube 23, and the light source 25 is positioned right below the power supply box 24; the lamp body 2 is detachably connected with the mounting ring 1, and specifically, the power supply box 24 of the lamp body 2 is detachably connected with the mounting ring 1. The outer diameter of the mounting ring 1 is slightly smaller than the inner diameter of the lamp tube 23, and the mounting ring 1 is embedded into the lamp tube 23 from the opening at the upper end of the lamp tube 23 and is detachably connected with the power supply box 24 in the lamp tube 23; therefore, the chucking part 21 is specifically provided on the power supply box 24.

Further, as shown in fig. 2 and 6, the power supply box 24 includes a box 241, a base 242 and a power supply component 243, the power supply component 243 is arranged in the box 241, the lower end of the box 241 is open and the interior of the box 241 is hollow, and the base 242 is mounted at the lower end opening of the box 241; the box body 241 is provided with a slot 2411, the base 242 is provided with a second buckle 2421 and a third buckle 2423, the second buckle 2421 is buckled in the slot 2411, and the third buckle 2423 is buckled on the power supply component 243; the box body 241 is provided with heat dissipation holes 2412.

The box body 241 is a cylinder with a hollow inner part and an opening at the lower end, the power supply component 243 is arranged in the box body 241, and the base 242 is arranged at the opening at the lower end of the box body 241; the upper end of the box 241 is closed, but the upper end face of the box 241 is sunken, that is, the side wall of the box 241 protrudes relative to the upper end face, and the clamping part 21 is specifically arranged on the inner side wall of the box 241 and above the upper end face of the box 241. Two clamping grooves 2411 are symmetrically formed in the left and right of the side wall of the box body 241, the base 242 is disc-shaped, two second buckles 2421 are symmetrically formed in the left and right of the base 242, and the second buckles 2421 are buckled in the clamping grooves 2411; two third buckles 2423 are symmetrically arranged on the left side and the right side of the base 242, the third buckles 2423 and the second buckles 2421 are connected and integrally formed, and the third buckles 2423 are buckled on the power supply component 243. The base 242 is designed to ensure the structural compactness of the power supply case 24 and to securely mount the power supply assembly 243 within the case 241. The side wall of the case 241 is further provided with heat dissipation holes 2412, and the heat dissipation holes 2412 can help the power supply module 243 inside the case 241 to dissipate heat.

Further, as shown in fig. 2 and fig. 3, the lamp body 2 further includes a fixing ring 26, a reflecting cup 27, a diffusing plate 28 and a bottom ring 29, the fixing ring 26 is mounted on the power box 24, the light source 25 and the reflecting cup 27 are both mounted on the fixing ring 26, the reflecting cup 27 is located in front of the light source 25, the diffusing plate 28 is mounted at one end of the reflecting cup 27 far away from the light source 25, and the bottom ring 29 is embedded in the lamp barrel 23 and abuts against one end of the reflecting cup 27 far away from the light source 25.

The fixing ring 26 is of an annular structure, is installed right below the power supply box 24, is embedded in the lamp tube 23, and is fixedly connected with the base 242 of the power supply box 24 in a screwing manner; the light source 25 is arranged at the lower end of the fixed ring 26, the reflecting cup 27 is also arranged at the lower end of the fixed ring 26, the upper end of the reflecting cup 27 covers the light source 25, the reflecting cup 27 is positioned in front of the light source 25, and light rays emitted by the light source 25 are emitted outwards through reflection of the reflecting cup 27; the lower end of the reflecting cup 27 is provided with a diffusion plate 28, and the light source 25 emitted by the light source 25 sequentially passes through the reflecting cup 27 and the diffusion plate 28 and then is emitted outwards, so that a better optical effect is achieved. The bottom ring 29 is a ring structure, and is embedded in the lamp tube 23, and the upper end of the bottom ring 29 abuts against the lower end of the reflective cup 27. The lamp body 2 is arranged in such a way, so that light rays emitted by the light source 25 can achieve a better optical effect, and the whole structure is more stable.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. The down lamp is characterized by comprising a mounting ring (1) and a lamp body (2), wherein the mounting ring (1) is detachably mounted on the lamp body (2), the mounting ring (1) is provided with a first mounting part (11) and a second mounting part (12), a first strip hole (111) is formed in the first mounting part (11), a second strip hole (121) is formed in the second mounting part (12), and the first strip hole (111) and the second strip hole (121) are used for a fastener to pass through so as to fix the mounting ring (1) on a mounting surface.

2. The downlight of claim 1, wherein the first mounting portion (11) and the second mounting portion (12) are arranged in bilateral symmetry with respect to a center of the mounting ring (1), and a length direction of the first elongated hole (111) and a length direction of the second elongated hole (121) are perpendicular to each other.

3. The downlight of claim 1, wherein the side wall of the lamp body (2) is provided with a clamping part (21), and a clamping cavity (22) is arranged right below the clamping part (21); the side wall of the mounting ring (1) is provided with a first buckle (13), and the first buckle (13) is buckled in the clamping cavity (22).

4. A downlight according to claim 3, wherein the lamp body (2) has at least two of the clamping portions (21) uniformly distributed around its center, the number of the first catches (13) is the same as the number of the clamping portions (21), and the first catches (13) correspond to the clamping portions (21) one to one.

5. The down lamp according to claim 3, wherein a boss (131) is arranged on the first buckle (13), a groove (211) is formed in the clamping part (21), and the boss (131) is clamped in the groove (211).

6. A downlight according to claim 3, wherein an end face of the catch portion (21) adjacent the catch cavity (22) in a direction of snap-in of the catch has an inclined face (212) which gradually approaches the first catch (13).

7. A downlight according to claim 3, characterized in that the mounting ring (1) is provided with a support (14) on one side of the first catch (13), the support (14) being snapped into the snap-in cavity (22).

8. The downlight of claim 1, wherein the light body (2) comprises a light barrel (23), a power supply box (24) and a light source (25), the power supply box (24) and the light source (25) are both disposed within the light barrel (23), and the power supply box (24) is detachably connected with the mounting ring (1).

9. The downlight of claim 8, wherein the power supply box (24) comprises a box body (241), a base (242) and a power supply component (243), the power supply component (243) is arranged in the box body (241), the box body (241) is open at the lower end and hollow inside, and the base (242) is arranged at the lower end opening of the box body (241); the box body (241) is provided with a clamping groove (2411), the base (242) is provided with a second buckle (2421) and a third buckle (2423), the second buckle (2421) is buckled in the clamping groove (2411), and the third buckle (2423) is buckled on the power supply assembly (243); the box body (241) is provided with heat dissipation holes (2412).

10. The downlight of claim 8, wherein the lamp body (2) further comprises a fixing ring (26), a reflecting cup (27), a diffusing plate (28) and a bottom ring (29), the fixing ring (26) is mounted on the power supply box (24), the light source (25) and the reflecting cup (27) are both mounted on the fixing ring (26), the reflecting cup (27) is located in front of the light source (25), the diffusing plate (28) is mounted at one end of the reflecting cup (27) far away from the light source (25), and the bottom ring (29) is embedded in the light tube (23) and abuts against one end of the reflecting cup (27) far away from the light source (25).

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