CN111981353B

CN111981353B - Lamp set

Info

Publication number: CN111981353B
Application number: CN202010861627.1A
Authority: CN
Inventors: 黄志鹏
Original assignee: Fujian Mengniu Zhilian Lighting Co ltd
Current assignee: Fujian Mengniu Zhilian Lighting Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2022-09-23
Anticipated expiration: 2040-08-25
Also published as: CN111981353A

Abstract

The invention discloses a lamp, which comprises a down lamp main body and a surface ring bracket, wherein the surface ring bracket is arranged on the down lamp main body; the down lamp main body comprises a lamp rear cover and a gland, a groove is formed in the lamp rear cover, a first connecting terminal and a second connecting terminal are arranged in the groove, a first anti-retreating latch is arranged on the side edge of the groove, a first elastic spring bolt with an upward handle is arranged on the gland, the gland is detachably connected in the groove, an opening is formed in the gland, and a cover plate is detachably connected to the opening; the two sides of the face ring support are respectively provided with a supporting seat, the down lamp main body is rotatably connected onto the two supporting seats, and a rotary clamping structure capable of adjusting the rotation angle of the down lamp main body relative to the face ring support is arranged between the down lamp main body and the face ring support. The press cover is fast and convenient to disassemble and assemble, the installation efficiency can be improved, the down lamp main body is rotatably connected with the face ring support, and the rotary clamping structure is arranged between the down lamp main body and the face ring support, so that the lamp can be used as the down lamp and can also be used as a spotlight, and the market competitiveness is favorably improved.

Description

Lamp set

Technical Field

The invention relates to the technical field of lighting devices, in particular to a lamp.

Background

Chinese document CN206861481U (application date: 2017, 05 and 15) discloses a lamp cascading structure, which includes a lamp rear cover and a connecting terminal, wherein an opening is formed on a front end surface of the lamp rear cover, two grooves are formed on a rear end surface of the lamp rear cover, notches are formed on side surfaces of the lamp rear cover by the grooves, the number of the connecting terminal is two, the connecting terminal is respectively located in the two grooves, a connecting hole is formed on a side surface of the connecting terminal facing the notches, and a lead can extend into the groove through the notches and be inserted into the connecting hole; the terminal cover also comprises pressing covers which respectively cover the two connecting terminals. Two connection terminals are provided, and the two connection terminals are separately provided. But the dismantlement of this technical scheme's gland is comparatively loaded down with trivial details difficulty, seriously influences wiring efficiency, and lamps and lanterns function singleness can only regard as a lighting fixtures to use like the down lamp alone, lacks the variety in the function, is difficult to satisfy user's diversified demand.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a lamp, which mainly solves the technical problems that the existing lamp is single in function and lacks diversity, and the gland in a cascade structure is difficult to disassemble, so that the wiring efficiency is influenced.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a lamp comprises a down lamp main body and a face ring bracket; the down lamp comprises a down lamp main body and is characterized in that the down lamp main body comprises a lamp rear cover and a gland, a groove is formed in the lamp rear cover, a notch is formed in the side face of the lamp rear cover through the groove, a first wiring terminal and a second wiring terminal are arranged in the groove, first anti-back latch teeth are arranged on the side edge of the groove, a first elastic spring bolt with a handle portion arranged upwards is arranged on the gland, positioning teeth capable of forming limiting matching with the first anti-back latch teeth are arranged on the first elastic spring bolt, the gland is detachably connected in the groove through matching of the first elastic spring bolt and the first anti-back latch teeth, an opening capable of being vertically arranged corresponding to the first wiring terminal or the second wiring terminal is formed in the gland, and the opening is detachably connected with a cover plate; the two sides of the face ring support are respectively provided with a supporting seat, the down lamp main body is rotatably connected onto the two supporting seats, and a rotary clamping structure capable of adjusting the rotating angle of the down lamp main body relative to the face ring support is arranged between the down lamp main body and the face ring support, so that the lamp can be configured to be used as a down lamp and a spot lamp.

Further, be equipped with the second elasticity spring bolt that the stalk portion set up on the apron, be equipped with the second on the open-ended preceding lateral wall and prevent moving back the latch, be equipped with on the second elasticity spring bolt and prevent moving back the latch with the second and form spacing complex location tooth, the apron is connected at the opening part of gland through the cooperation detachably that second elasticity spring bolt and second prevent moving back the latch, and be equipped with spacing protruding muscle about the open-ended on the lateral wall, set up the spacing slot with spacing protruding muscle looks adaptation on the side about the apron.

Furthermore, the bottom position of the groove is provided with a lower pressing line clamping tooth which is arranged corresponding to the first wiring terminal and the second wiring terminal, the cover plate is provided with a first upper pressing line clamping tooth which can be matched with the lower pressing line clamping tooth, the cover plate is provided with a second upper pressing line clamping tooth which can be matched with the lower pressing line clamping tooth, the second elastic spring bolt on the cover plate is of a U-shaped structure, and the first upper pressing line clamping tooth is arranged at the bottom position of the second elastic spring bolt of the U-shaped structure.

Furthermore, the first wiring terminal and the second wiring terminal are oppositely arranged left and right in the groove, the cover plate and the first wiring terminal are arranged in a vertically corresponding mode, the first wiring terminal is a wiring terminal used for leading out a cascading wire, and the second wiring terminal is a wiring terminal used for connecting into a power supply wire.

Further, the lamp rear cover is a PBT lamp rear cover, and the gland is a PC gland.

Furthermore, the two supporting seats are respectively provided with a through hole, two sides of the lamp rear cover are respectively provided with a lock hole, the two through holes are respectively arranged opposite to the two lock holes left and right, and the lamp rear cover is rotatably connected to the supporting seat through bolts penetrating through the through holes and locked into the corresponding lock holes.

Furthermore, the lamp rear cover is provided with a positioning bulge, the supporting seat is provided with a plurality of stages of positioning clamp holes, and the positioning bulge can be matched with the plurality of stages of positioning clamp holes to form a rotating clamping structure so as to fix the rotating angle of the lamp rear cover relative to the ring support.

Furthermore, the multistage positioning clamp holes are arc-shaped, the circle centers of the multistage positioning clamp holes coincide with the centers of the through holes in the supporting seat, and the multistage positioning clamp holes are located above the through holes.

Furthermore, the multistage positioning clamp hole is formed by a connecting hole structure formed by communicating a plurality of round holes matched with the positioning bulges.

Furthermore, the left side and the right side of the lamp rear cover are respectively provided with a positioning protrusion, the two support seats are respectively provided with a multistage positioning clamping hole which can be matched with the corresponding positioning protrusion, the left side wall and the right side wall of the groove are respectively provided with a first anti-retreating clamping tooth, and the left side and the right side of the gland are respectively provided with a first elastic spring bolt.

The technical scheme has the following advantages or beneficial effects:

in the lamp, the open groove is formed on the rear cover of the lamp, the first wiring terminal and the second wiring terminal are arranged in the groove, the gland is detachably connected in the groove through the limit matching of the first elastic spring bolt on the side edge and the first anti-withdrawal pawl on the side edge of the groove and covers the first wiring terminal and the second wiring terminal, and meanwhile, the handle part of the first elastic spring bolt is arranged upwards, so that the gland only needs to be pressed downwards during installation, and when the gland is detached, the positioning teeth on the first elastic spring bolt can be disengaged from the first anti-withdrawal pawl on the side edge of the groove by pulling the handle part of the first elastic spring bolt from the upper part, so that the gland can be detached conveniently, the subsequent wiring operation is convenient, the gland is detached and assembled quickly, and conveniently, and the mounting efficiency is improved. Meanwhile, because the position of the gland corresponding to the first connecting terminal is provided with an opening, the opening is detachably connected with a cover plate, when the first connecting terminal and the second connecting terminal in the groove need to be connected, only the first elastic bolt on the gland needs to be pulled, so that the positioning teeth on the first elastic lock tongue are disengaged from the first anti-back-blocking teeth on the side edge of the groove, the gland can be detached, then the power supply lead is connected to the second connecting terminal to supply power to the lamp, when a plurality of lamps are required to be connected together in a grading manner, the pressing cover is not required to be detached from the groove, the pressing cover is only required to be detached from the cover plate which is arranged on the pressing cover and corresponds to the first wiring terminal up and down, and then the grading wiring wire can be led out from the first wiring terminal. And after the gland is dismantled from the recess, still can carry out the wiring operation to first binding post and second binding post simultaneously, the wiring finish the back only need carry out once press down the action, with the gland assemble again in the recess can, need not like prior art's cascade structure that have to divide twice to press down and influence wiring efficiency. In addition, because down lamp main part and face ring support rotate to link together, and make the turned angle of down lamp main part relative face ring support can be fixed through rotating the screens structure, and then make lamps and lanterns can regard as the down lamp to use, also can regard as the shot-light to use, have expanded the service function of lamps and lanterns, convenience of customers uses according to actual conditions adjustment, is favorable to improving market competition.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is an exploded perspective view of a main body of a downlight according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of another embodiment of the present invention.

Fig. 4 is an exploded schematic view of another angle perspective structure of the down lamp main body according to the embodiment of the invention.

Fig. 5 is a top view of an embodiment of the present invention.

Fig. 6 is a sectional view a-a in fig. 5.

Fig. 7 is a sectional view B-B in fig. 5.

Fig. 8 is an exploded perspective view of the main body of the down lamp and the face ring bracket according to the embodiment of the invention.

Fig. 9 is a side view of an embodiment of the present invention.

Fig. 10 is a schematic structural view of the down lamp main body after rotating relative to the face ring bracket according to the embodiment of the invention.

Description of the reference symbols:

1. a down lamp main body, 2, a face ring bracket, 3, a first wiring terminal, 4, a second wiring terminal, 11, a lamp rear cover,

12. a gland 21, a support seat 22, a bolt 111, a groove 112, a notch 113, a lock hole 114 and a positioning bulge,

121. first elastic bolt 122, opening 123, cover plate 124, second upper pressing line latch 211, through hole 212 and multiple bolts

Level location card hole, 1111, first anti-withdrawal latch, 1112, push down the ply-yarn drill tooth, 1221, second anti-withdrawal latch, 1222, spacing

Protruding muscle, 1231, second elasticity spring bolt, 1232, spacing slot, 1233, the first line ball latch of going up.

Detailed Description

The invention is further described with reference to the following figures and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 10, an embodiment of the present invention provides a lamp, including a down lamp body 1 and a surface ring bracket 2; the down lamp main body 1 comprises a lamp rear cover 11 and a gland 12, a groove 111 is formed in the lamp rear cover 11, a notch 112 is formed in the groove 111 on the side face of the lamp rear cover 11, a first wiring terminal 3 and a second wiring terminal 4 are arranged in the groove 111, a first anti-withdrawal latch 1111 is arranged on the side edge of the groove 111, a first elastic bolt 121 with an upward handle is arranged on the gland 12, a positioning tooth capable of forming limit fit with the first anti-withdrawal latch 1111 is arranged on the first elastic bolt 121, the gland 12 is detachably connected in the groove 111 through the matching of the first elastic bolt 121 and the first anti-withdrawal latch 1111, an opening 122 capable of being vertically and correspondingly arranged with the first wiring terminal 3 or the second wiring terminal 4 is arranged on the gland 12, and a cover plate 123 is detachably connected at the opening 122; the two sides of the face ring support 2 are respectively provided with a support seat 21, the down lamp main body 1 is rotatably connected onto the two support seats 21, and a rotation clamping structure capable of adjusting the rotation angle of the down lamp main body 1 relative to the face ring support 2 is arranged between the down lamp main body 1 and the face ring support 2, so that the lamp can be configured to be used as a down lamp and a spot lamp.

It is understood that an open-type groove 111 is formed in the lamp rear cover 11, the first connection terminal 3 and the second connection terminal 4 are disposed in the groove 111, the gland 12 is detachably connected in the groove 111 by the limit fit of the first elastic latch tongue 121 at the side and the first anti-back latch teeth 1111 at the side of the groove 111 and covers the first connection terminal 3 and the second connection terminal 4, and at the same time, because the handle of the first elastic latch bolt 121 is disposed upward, only the pressing cover 12 needs to be pressed down during installation, and during disassembly, the handle of the first resilient latch bolt 121 is pulled from above to disengage the positioning teeth of the first resilient latch bolt 121 from the first anti-release teeth 1111 on the side of the groove 111, and then can conveniently dismantle gland 12 to the follow-up operation of working a telephone switchboard, gland 12 dismouting operation is swift convenient, and the one hand can be operated, is favorable to improving the installation effectiveness. Meanwhile, since the opening 122 is formed in the position of the gland 12 corresponding to the first connection terminal 2, the opening 122 is detachably connected with the cover plate 123, when the first connection terminal 3 and the second connection terminal 4 in the groove 111 need to be connected, the gland 12 can be detached only by pulling the first elastic bolt 121 on the gland 12 to disengage the positioning tooth on the first elastic bolt 121 from the first anti-disengaging tooth 1111 on the side of the groove 111, and then the first connection terminal 3 and/or the second connection terminal 4 can be connected; in one preferred embodiment, the pressing cover 12 and the first connecting terminal 3 are disposed in an up-and-down correspondence, in one usage scenario, the second connecting terminal 4 can be used to connect to a power supply wire to supply power to the lamp, and the first connecting terminal 3 can be used to lead out a cascade wire capable of being connected to an adjacent lamp, in the wiring process, the gland 12 can be detached firstly, and then the power supply lead is connected to the second wiring terminal 4 to supply power to the lamp, when a plurality of lamps need to be connected together in a cascade mode for use, the pressing cover 12 does not need to be detached from the groove 111, only the cover plate 123 which is arranged on the pressing cover 12 and corresponds to the first wiring terminal 2 up and down needs to be detached, then the cascade lead can be led out from the first wiring terminal 3, the wiring process is simple, convenient and fast, the pressing cover 12 is fixed, and the power lead on the second wiring terminal 4 cannot be touched so as to avoid influencing the connection stability of the power lead. In another kind of usage scenario, when gland 12 is dismantled from recess 111, can carry out the wiring operation to first binding post 3 and second binding post 4 simultaneously, only need press the action once after the wiring finishes, with gland 12 reassemble to recess 111 in can, need not like prior art's cascade structure and need press twice and influence wiring efficiency. In addition, because down lamp main part 1 links together with face ring support 2 is rotated, and makes down lamp main part 1 can be fixed by the turned angle of relative face ring support 2 through rotating the screens structure, and then makes lamps and lanterns can regard as the down lamp to use, also can regard as the shot-light to use, has expanded the service function of lamps and lanterns, and convenience of customers uses according to actual conditions adjustment, is favorable to improving market competition.

Referring to fig. 1 to 7, in a preferred embodiment, a second elastic latch 1231 is disposed on the cover plate 123 with its handle portion facing upward, a second anti-moving latch 1221 is disposed on the front side wall of the opening 122, a positioning tooth capable of forming a limiting fit with the second anti-moving latch 1221 is disposed on the second elastic latch 1231, the cover plate 123 is detachably connected to the opening 122 of the gland 12 through the fit between the second elastic latch 1231 and the second anti-moving latch 1221, and limiting convex ribs 1222 are disposed on the left and right side walls of the opening 122, and limiting slots 1232 adapted to the limiting convex ribs 1222 are disposed on the left and right side edges of the cover plate 123. It can be understood that, during the assembly, only need align spacing protruding muscle 1222 on the opening 122 with spacing slot 1232 on the apron 123, then with apron 123 push down the card go into the opening 122 can, during the dismantlement, only need pull the stalk portion of the second elastic bolt 1231 on the apron 123 for the location tooth on the second elastic bolt 1231 prevents moving back latch 1221 with the second and removes the cooperation and can dismantle apron 123, whole installation dismantlement process is very simple and convenient swift, is favorable to improving wiring efficiency.

Referring to fig. 1 to 7, in a preferred embodiment, a lower wire pressing clip tooth 1112 corresponding to the first wire connecting terminal 3 and the second wire connecting terminal 4 is disposed at a bottom position of the groove 111, a first upper wire pressing clip tooth 1233 capable of cooperating with the lower wire pressing clip tooth 1112 is disposed on the cover plate 123, and a second upper wire pressing clip tooth 124 capable of cooperating with the lower wire pressing clip tooth 1112 is disposed on the gland 12, wherein the second elastic latch 1231 on the cover plate 123 is U-shaped, and the first upper wire pressing clip tooth 1233 is disposed at a bottom position of the second elastic latch 1231 of the U-shaped structure. It can be understood that the power wires and the cascade wires respectively connected to the first connection terminals 3 and the second connection terminals 4 can be clamped by the cooperation of the lower pressing wire clamp 1112, the first upper pressing wire clamp 1233 and the second upper pressing wire clamp 124, so that the power wires and the cascade wires have a pull-proof effect, and the wiring stability is improved.

Referring to fig. 1 to 7, in a preferred embodiment, the first connection terminals 3 and the second connection terminals 4 are arranged in the grooves 111 in a left-right opposite manner, the cover plate 123 and the first connection terminals 3 are disposed in a vertically corresponding manner, the first connection terminals 3 are connection terminals for leading out a cascade wire, and the second connection terminals 4 are connection terminals for connecting to a power supply wire. Preferably, the first connection terminal 3 and the second connection terminal 4 are both press-type connection terminals.

Referring to fig. 1, in a preferred embodiment, the rear cover 11 is made of PBT, the pressing cover 12 is made of PC, and the rear cover is made of PBT to improve the heat dissipation effect of the lamp.

Referring to fig. 8 to 10, in a preferred embodiment, two through holes 211 are respectively formed in two supporting bases 21, two locking holes 113 are respectively formed on two sides of the lamp rear cover 11, the two through holes 211 are respectively disposed opposite to the two locking holes 113 in the left-right direction, and the lamp rear cover 11 is rotatably connected to the supporting bases 21 through bolts 22 penetrating through the through holes 211 and locked into the corresponding locking holes 113. In addition, it should be understood by those skilled in the art that in other embodiments, the lamp rear cover 11 may also be rotatably connected to the two supporting seats 21 of the face ring support 2 through other types of rotating shaft structures, and the invention is not limited to the specific embodiment disclosed in the present embodiment, and those skilled in the art can select and use the existing rotating connecting structure according to specific situations.

Referring to fig. 8 to 10, in a preferred embodiment, a positioning protrusion 114 is disposed on the rear cover 11, a multi-stage positioning hole 212 is disposed on the supporting base 21, and the positioning protrusion 114 and the multi-stage positioning hole 212 cooperate to form a rotation locking structure for fixing a rotation angle of the rear cover 11 relative to the face ring support 2. It can be understood that the multi-stage positioning clip hole 212 and the positioning protrusion 114 can be used to adjust and fix the rotation angle of the lamp rear cover 11 in multiple stages, so that a user can adjust and fix the lamp rear cover 11 at a proper angle position according to actual needs.

Referring to fig. 8 to 10, in a preferred embodiment, the multi-stage positioning clip hole 212 is arc-shaped, the center of the multi-stage positioning clip hole 212 coincides with the center of the through hole 211 on the supporting base 21, and the multi-stage positioning clip hole 212 is located above the through hole 211. In one preferred embodiment, the multi-stage positioning clip hole 212 is formed by a plurality of connecting holes formed by connecting together circular holes matched with the positioning protrusions 114.

Referring to fig. 1, fig. 2 and fig. 8, in a preferred embodiment, a positioning protrusion 114 is disposed on each of the left and right sides of the rear cover 11, a multi-stage positioning hole 212 is disposed on each of the two supporting bases 21 and is capable of cooperating with the corresponding positioning protrusion 114, first anti-releasing teeth 1111 are disposed on each of the left and right side walls of the groove 111, and first elastic latches 121 are disposed on each of the left and right side edges of the pressing cover 12. It can be understood that the adjustment of the rotation angle of the lamp rear cover 11 relative to the face ring bracket 2 can be more precise and stable by the cooperation of the two positioning protrusions 114 and the two multi-stage positioning clip holes 212. Meanwhile, the gland 12 can be more stably and detachably connected in the groove 111 by the mutual matching of the two first anti-back latch 1111 and the two first elastic bolts 121.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and these modifications or substitutions do not make the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention, so that all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

Claims

1. A light fixture, characterized by: comprises a down lamp main body (1) and a face ring bracket (2);

the down lamp main body (1) comprises a lamp rear cover (11) and a gland (12), a groove (111) is formed in the lamp rear cover (11), a notch (112) is formed in the groove (111) on the side face of the lamp rear cover (11), a first wiring terminal (3) and a second wiring terminal (4) are arranged in the groove (111), a first anti-back-blocking tooth (1111) is arranged on the side edge of the groove (111), a first elastic bolt (121) with an upward handle is arranged on the gland (12), a positioning tooth capable of forming limiting matching with the first anti-back-blocking tooth (1111) is arranged on the first elastic bolt (121), the gland (12) is detachably connected in the groove (111) through matching of the first elastic bolt (121) and the first anti-back-blocking tooth (1111), an opening (122) capable of vertically corresponding to the first wiring terminal (3) or the second wiring terminal (4) is arranged on the gland (12), a cover plate (123) is detachably connected to the opening (122), a second elastic bolt (1231) with a handle portion arranged upwards is arranged on the cover plate (123), a second anti-returning latch (1221) is arranged on the front side wall of the opening (122), a positioning tooth capable of forming limiting fit with the second anti-returning latch (1221) is arranged on the second elastic bolt (1231), the cover plate (123) is detachably connected to the opening (122) of the gland (12) through the fit of the second elastic bolt (1231) and the second anti-returning latch (1221), limiting convex ribs (1222) are arranged on the left side wall and the right side wall of the opening (122), and limiting slots (1232) matched with the limiting convex ribs (1222) are formed in the left side and the right side edges of the cover plate (123);

the two sides of the surface ring support (2) are respectively provided with a support seat (21), the down lamp main body (1) is rotatably connected onto the two support seats (21), and a rotary clamping structure capable of adjusting the rotation angle of the down lamp main body (1) relative to the surface ring support (2) is arranged between the down lamp main body (1) and the surface ring support (2), so that the lamp is configured to be used as a down lamp and a spot lamp.

2. The luminaire of claim 1, wherein: the bottom position of recess (111) is equipped with down line ball latch (1112) that correspond the setting with first binding post (3) and second binding post (4), be equipped with on apron (123) can with down line ball latch (1112) matched with first last line ball latch (1233), be equipped with on gland (12) can with down line ball latch (1112) matched with second last line ball latch (124), wherein, second elastic lock tongue (1231) on apron (123) is the U-shaped structure, first last line ball latch (1233) set up on the bottom position of second elastic lock tongue (1231) of U-shaped structure.

3. The luminaire of claim 2, wherein: first binding post (3) and second binding post (4) are about being relative arranging in recess (111), and apron (123) and first binding post (3) correspond the setting from top to bottom, and first binding post (3) are for being used for drawing forth the binding post of cascade wire, and second binding post (4) are the binding post that inserts power wire and use.

4. The luminaire of claim 1, wherein: the lamp rear cover (11) is made of PBT material, and the gland (12) is made of PC material.

5. A light fixture as recited in any one of claims 1-4, wherein: the two supporting seats (21) are respectively provided with a through hole (211), two sides of the lamp rear cover (11) are respectively provided with a lock hole (113), the two through holes (211) are respectively arranged opposite to the two lock holes (113) from left to right, and the lamp rear cover (11) is rotatably connected to the supporting seats (21) through bolts (22) penetrating through the through holes (211) and locked into the corresponding lock holes (113).

6. The luminaire of claim 5, wherein: the lamp rear cover (11) is provided with a positioning bulge (114), the supporting seat (21) is provided with a multi-stage positioning clamp hole (212), and the positioning bulge (114) can be matched with the multi-stage positioning clamp hole (212) to form a rotating clamping structure so as to fix the rotating angle of the lamp rear cover (11) relative to the face ring support (2).

7. The luminaire of claim 6, wherein: the multistage positioning clamp hole (212) is arc-shaped, the circle center of the multistage positioning clamp hole (212) coincides with the center of the through hole (211) in the support seat (21), and the multistage positioning clamp hole (212) is located above the through hole (211).

8. The luminaire of claim 7, wherein: the multistage positioning clamp hole (212) is formed by a connecting hole structure formed by communicating a plurality of round holes matched with the positioning bulges (114).

9. The luminaire of claim 5, wherein: the left side and the right side of the lamp rear cover (11) are respectively provided with a positioning protrusion (114), the two support bases (21) are respectively provided with a multistage positioning clamping hole (212) which can be matched with the corresponding positioning protrusion (114), the left side wall and the right side wall of the groove (111) are respectively provided with a first anti-retreating clamping tooth (1111), and the left side and the right side of the gland (12) are respectively provided with a first elastic bolt (121).