CN210979550U

CN210979550U - Back plate mounting structure and lamp

Info

Publication number: CN210979550U
Application number: CN201921029361.3U
Authority: CN
Inventors: 侯守强; 温晓良
Original assignee: Xiamen Eco Lighting Co Ltd
Current assignee: Xiamen Eco Lighting Co Ltd; Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-07-10
Anticipated expiration: 2029-07-03

Abstract

The utility model provides a backplate mounting structure and lamps and lanterns, backplate mounting structure includes installation chassis and backplate, the installation chassis is used for fixing on the lamps and lanterns installation face, the first conductive part that is used for with commercial power electric connection has on the installation chassis, the key hole has been seted up on the first conductive part, the key hole includes the key head hole and with the key handle hole of key head hole intercommunication, backplate and installation chassis swivelling joint, be equipped with the second conductive part that is used for the electric connection of driving piece on the backplate, the second conductive part includes the head and the neck of being connected with the head, the head passes the key head hole and makes the rotatory joint of neck in the key handle hole. The utility model provides a backplate mounting structure and lamps and lanterns need not weld the cable when the installation backplate, only need to install the relative installation chassis of backplate rotatory, the neck joint of second conductive part can make the backplate fix on the installation chassis in the key hole, and the mounting means of backplate is simpler, also need not dismantle the lamp shade when changing lamps and lanterns moreover, can directly together rotatory the dismantlement with lamp shade and backplate.

Description

Back plate mounting structure and lamp

Technical Field

The utility model belongs to the technical field of the illumination, more specifically say, relate to a backplate mounting structure and lamps and lanterns.

Background

Lamps and lanterns are indispensable in daily life, and the kind of lamps and lanterns is also diversified, and the lamps and lanterns of common installation on ceiling or wall mainly are ceiling lamp. When the direct type ceiling lamp is installed, the installation base plate is required to be installed on the corresponding J-BOX or ceiling in advance, then the cable of the driving part is connected to the commercial power, and finally the lamp shade is rotated to be buckled; when the side-in ceiling lamp is installed, the installation base plate needs to be installed on the corresponding J-BOX or the ceiling in advance, then the cable of the driving piece is connected with the commercial power, and finally the lamp body is directly clamped into the hole corresponding to the installation base plate through the elastic piece or is screwed into the clamping hook on the outer ring of the installation base plate. The installation structure is complex, cables need to be connected, and installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a backplate mounting structure to solve that the backplate mounting structure that exists is complicated, need the connecting cable to lead to installing inconvenient technical problem among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a back plate mounting structure including:

the installation base plate is used for being fixed on a lamp installation surface, a first electric conduction part used for being electrically connected with a mains supply is arranged on the installation base plate, a key hole is formed in the first electric conduction part, and the key hole comprises a key head hole and a key handle hole communicated with the key head hole;

the backboard is rotatably connected with the installation chassis, a second conductive part used for electrically connecting the driving part is arranged on the backboard, the second conductive part comprises a head part and a neck part connected with the head part, the width of the head part is larger than that of the spoon handle hole and smaller than that of the spoon head hole, and the head part penetrates through the spoon head hole and enables the neck part to be rotatably clamped in the spoon handle hole.

Further, the number of the first conductive parts is two, one of the first conductive parts is connected to the positive pole of the commercial power, and the other first conductive part is connected to the negative pole of the commercial power.

Furthermore, the first conductive part extends towards the lamp mounting surface to form a wire clamping part, the backboard mounting structure further comprises a positive input wire and a negative input wire, and the positive input wire and the negative input wire are respectively fixed and electrically connected to the two wire clamping parts.

Further, the number of the second conductive parts is even, at least one pair of conductive groups is formed, and the two second conductive parts in each pair of conductive groups are respectively used for being connected with the positive driving line and the negative driving line of the driving part.

Further, the two first conductive parts and the two second conductive parts in each pair of conductive groups are symmetrically arranged by taking the central shaft of the mounting chassis as a symmetry axis.

Further, the second conductive part further comprises a protruding part protruding from the surface of the back plate and an inserting part inserted into and fixed in the back plate, and the head part, the neck part, the protruding part and the inserting part are connected in sequence.

The utility model discloses still include lamps and lanterns, including foretell backplate mounting structure, still include the driving piece and with driving piece electric connection's light source subassembly.

Furthermore, the light source assembly and the driving piece are fixed on one side of the back plate, which faces away from the installation chassis, and the back plate is provided with wire passing holes for the positive driving wire and the negative driving wire of the driving piece to pass through.

Further, the lamp further comprises a face ring fixedly connected with the back plate, the driving piece is fixed on one side, facing the mounting base plate, of the back plate, the light source assembly is annularly arranged on the inner surface of the face ring, the second conductive portion extends towards the face ring to form a connecting portion, and the connecting portion is inserted into the back plate and is fixedly connected with the face ring.

The utility model provides a beneficial effect of backplate mounting structure and lamps and lanterns lies in: compared with the prior art, in the back plate mounting structure of the utility model, the mounting chassis is provided with the first conductive part for electrically connecting with the commercial power, the back plate is provided with the second conductive part for electrically connecting with the driving part, the first conductive part is provided with the key hole, the second conductive part comprises the head part and the neck part, when the back plate rotates relative to the mounting chassis, the head part rotates to the key handle hole along with the back plate after passing through the key hole of the key hole, so that the neck part is clamped in the key handle hole, not only the back plate can be simply and conveniently connected on the mounting chassis, but also the first conductive part and the second conductive part can be connected, thereby the driving part is connected with the commercial power, cables are not needed to be welded when the back plate is mounted, only the back plate rotates relative to the mounting chassis and the neck part of the second conductive part is clamped in the key hole, the back plate can be fixed on the mounting chassis, the mounting, the lampshade and the back plate can be directly and simultaneously rotated and disassembled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exploded view of a back plate mounting structure according to an embodiment of the present invention;

FIG. 2 is a detail view of part A of FIG. 1;

fig. 3 is a structural diagram of a second conductive part according to an embodiment of the present invention;

fig. 4 is an exploded view of a first lamp according to an embodiment of the present invention;

fig. 5 is an exploded view of a second lamp according to an embodiment of the present invention;

fig. 6 is a partial detail view of B in fig. 5.

Wherein, in the figures, the respective reference numerals:

1, installing a chassis; 11-a first conductive portion; 110-a keyhole; 1101-a spoon head hole; 1102-a key handle hole; 111-a wire-clamping portion; 1111-a first wrapping; 1112-a second wrapper; 121-positive input line; 122-negative input line; 13-chassis holes; 14-an annular recess; 2-a back plate; 21-a second conductive portion; 211-a head; 212-neck portion; 213-a boss; 214-an insertion portion; 215-a connecting portion; 2150-first connection hole; 2151-insert plate; 221-positive drive line; 222-a negative drive line; 23-a jack; 24-a second connection hole; 25-a wire through hole; 3-a light source assembly; 4-a drive member; 5-lamp shade; 6-face ring; 7-a membrane module.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 3, a back plate mounting structure according to the present invention will now be described. In one embodiment of the back plate mounting structure, a mounting chassis 1 and a back plate 2 are included. The mounting chassis 1 is fixed on a lamp mounting surface which can be a ceiling, a wall or a J-BOX. The mounting chassis 1 is provided with a first conductive part 11, the first conductive part 11 is used for electrically connecting with a mains supply, the first conductive part 11 is provided with a key hole 110, the key hole 110 comprises a key head hole 1101 and a key handle hole 1102 which are mutually communicated, and the width of the key head hole 1101 is larger than that of the key handle hole 1102. The width direction of the key head hole 1101 and the width direction of the key shank hole 1102 are both the radial direction of the mounting base plate 1. The back plate 2 is rotatably connected with the mounting chassis 1, a second conductive part 21 is arranged on one side of the back plate 2 facing the mounting chassis 1, and the second conductive part 21 is electrically connected with the driving part 4. The second conductive portion 21 includes a head portion 211 and a neck portion 212 connected to each other, the head portion 211 having a width larger than that of the neck portion 212, the head portion 211 having a width larger than that of the key-holder hole 1102 and smaller than that of the key-holder hole 1101 so that the head portion 211 can enter the key-holder hole 1101 and cannot fall out of the key-holder hole 1102, and the neck portion 212 having a width smaller than that of the key-holder hole 1102 so that the neck portion 212 can be engaged with the key-holder hole 1102. Here, the width direction of the head portion 211 and the width direction of the neck portion 212 are both radial directions of the back plate 2. When the back plate 2 is mounted, first, the head 211 of the second conductive part 21 is opposed to the key head hole 1101 of the key hole 110, the head 211 passes through the key head hole 1101 and the neck 212 is also positioned in the key head hole 1101, the back plate 2 is rotated relative to the mounting chassis 1 to move both the head 211 and the neck 212 toward the key handle hole 1102, the neck 212 is engaged with the key handle hole 1102, and the width of the head 211 is larger than that of the key handle hole 1102 to prevent the back plate 2 from falling. Like this, not only can swiftly install backplate 2 to installation chassis 1 through this action of rotatory joint, can also make first conductive part 11 and second conductive part 21 electricity connect to realized the electricity of driving piece 4 and commercial power and connected, need not the welding cable when installing backplate 2, only need with backplate 2 rotatory joint on installation chassis 1, simplify the installation procedure.

Compared with the prior art, the backboard mounting structure provided by the utility model has the advantages that the first conductive part 11 for electrically connecting with the commercial power is arranged on the mounting chassis 1, the second conductive part 21 for electrically connecting with the driving part 4 is arranged on the backboard 2, the key hole 110 is arranged on the first conductive part 11, the second conductive part 21 comprises the head part 211 and the neck part 212, when the backboard 2 rotates relative to the mounting chassis 1, the head part 211 passes through the key head hole 1101 of the key hole 110 and then rotates to the key handle hole 1102 along with the backboard 2, so that the neck part 212 is clamped in the key handle hole 1102, the backboard 2 can be simply and conveniently connected on the mounting chassis 1 in a rotating way, the first conductive part 11 can be connected with the second conductive part 21, thereby the driving part 4 is connected with the commercial power, the cable is not needed to be welded when the backboard 2 is mounted, the backboard can be fixed on the mounting chassis only by rotating relative to the mounting chassis and clamping the neck part of the second conductive part in the key hole, the mounting mode of backplate is simpler, also need not dismantle lamp shade 5 when changing lamps and lanterns moreover, can directly dismantle lamp shade 5 and backplate 2 together rotation.

Optionally, since the first conductive portion 11 has conductive performance, the first conductive portion 11 may be made of a metal material, such as copper, aluminum, or the like. Accordingly, the inner wall of the key hole 110 also has conductive properties. In one embodiment, the mounting chassis 1 is a metal chassis, and an insulating member is disposed between the first conductive portion 11 and the mounting chassis 1, so as to prevent the mounting chassis 1 from being conductive as a whole, and ensure the safety of the lamp.

Alternatively, the first conductive part 11 is fixed on the mounting chassis 1, and the mounting chassis 1 is correspondingly provided with a chassis hole 13 opposite to the key hole 110, so that the second conductive part 21 can penetrate through the mounting chassis 1 and the first conductive part 11.

Alternatively, both the key hole 1101 of the key hole 110 and the head portion 211 of the second conductive portion 21 may be circular, square, triangular, polygonal, or the like, and the specific shape is not limited herein, and the head portion 211 may pass through the key hole 1101. The key hole 1102 of the key hole 110 has a long strip shape or an arc shape, and the neck portion 212 of the second conductive portion 21 may have a circular shape, a square shape, a triangular shape, a polygonal shape, or the like, and the second conductive portion 21 may be slid in the key hole 1102. For example, the key head hole 1101 is a circular hole, the key shank hole 1102 is a long hole or an arc hole, and the head portion 211 and the neck portion 212 are cylindrical, so that the second conductive portion 21 becomes a stepped conductive portion. The stepped conductive portion may be selected to be a stepped copper pin.

In one embodiment, the number of the first conductive parts 11 is two, wherein one first conductive part 11 is connected to the positive pole of the utility power, and the other first conductive part 11 is connected to the negative pole of the utility power, so that the second conductive parts 21 electrically connected to the first conductive parts 11 are also electrically connected to the positive pole and the negative pole of the utility power, respectively. In this way, the positive and negative poles of the driver 4 can be connected to the positive and negative poles of the utility power.

In other embodiments, the number of the first conductive parts 11 may also be four, six, etc., as long as there are even numbers, wherein two first conductive parts 11 are electrically connected to the positive electrode and the negative electrode of the utility power respectively.

In one embodiment, the number of the first conductive portions 11 is two, and the number of the second conductive portions 21 is even, that is, the number of the second conductive portions 21 is 2, 4, 6, etc., so that the back plate 2 can be locked in the keyhole 110 by rotating a small angle. For example, when two first conductive parts 11 are symmetrically arranged and the number of the second conductive parts 21 is 2, the back plate 2 needs to be rotated 180 degrees at most to be clamped with the mounting chassis 1; when the number of the second conductive parts 21 is 4, the back plate 2 can be clamped with the mounting chassis 1 by rotating 90 degrees at most. In this embodiment, when the number of the second conductive portions 21 is greater than the number of the first conductive portions 11, the mounting chassis 1 is provided with chassis holes 13, two of the second conductive portions 21 are engaged with the first conductive portions 11, and the remaining second conductive portions 21 are engaged with the chassis holes 13. Optionally, the chassis aperture 13 is the same size as the keyhole aperture 110. Each two second conductive parts 21 form a pair of conductive groups, and the two second conductive parts 21 in each pair of conductive groups are respectively connected with the positive driving wire 221 and the negative driving wire 222 of the driving part 4, so that when each pair of conductive groups is clamped with the first conductive part 11, the conductive groups can be conducted with the positive electrode and the negative electrode of the commercial power.

Further, the two first conductive parts 11 and the two second conductive parts 21 in each pair of conductive groups are symmetrically arranged with the central axis of the mounting chassis 1 as a symmetry axis, that is, the middle points of the connecting lines of the two first conductive parts 11 and the middle points of the connecting lines of the second conductive parts 21 of the same pair of conductive groups are on the central axis of the mounting chassis 1. Thus, the stress of the back plate 2 is more uniform, and the situation that the back plate 2 is inclined is prevented. Optionally, each pair of second conductive sets is circumferentially and uniformly disposed on the back plate 2.

In another embodiment, the number of the first conductive parts 11 is an even number and is greater than 2, and the number of the second conductive parts 21 is the same as the number of the first conductive parts 11, wherein two first conductive parts 11 are respectively connected to the positive pole and the negative pole of the commercial power. In this embodiment, the mounting chassis 1 is preferably a metal chassis, with the first conductive portion 11 and the metal chassis being integrally formed. Alternatively, the first conductive portions 11 are circumferentially and uniformly disposed on the mounting chassis 1, and the second conductive portions 21 are circumferentially and uniformly disposed on the back plate 2.

Referring to fig. 2, in one embodiment, the first conductive portion 11 extends toward the lamp mounting surface to form a wire clamping portion 111, the back plate mounting structure further includes a positive input line 121 and a negative input line 122, the positive input line 121 is a positive pole of the utility power, the negative input line 122 is a negative pole of the utility power, and the positive input line 121 and the negative input line 122 are respectively fixed to the two wire clamping portions 111. The positive input line 121 and the negative input line 122 may be fixed and electrically connected by the arrangement of the card line part 111. The structure of the wire clamping portion 111 is not limited here, and the cable may be fixed. For example, the wire locking portion 111 includes a first wrapping portion 1111 for wrapping the inner core of the cable and a second wrapping portion 1112 for wrapping the outer sheath of the cable, and the inner core and the outer sheath of the cable can be fixed by bending and deforming the first wrapping portion 1111 and the second wrapping portion 1112.

Referring to fig. 3, in one embodiment, the second conductive portion 21 further includes a protrusion 213 and an insertion portion 214, and the head portion 211, the neck portion 212, the protrusion 213 and the insertion portion 214 are connected in sequence. The protrusion 213 is protruded from the surface of the back plate 2, and the width of the protrusion 213 is larger than the width of the neck 212, so that when the neck 212 is engaged with the key hole 1102, the side of the first conductive part 11 facing the back plate 2 only contacts with the surface of the protrusion 213, and the protrusion 213 can prevent the first conductive part 11 from being scratched due to the excessive contact area with the back surface. The insertion portion 214 is inserted into the back plate 2 and is fixedly connected to the back plate 2, and the size of the insertion portion 214 is not limited here. The insert 214 may be riveted or welded into the back plate 2.

The utility model provides a lamp, backplate mounting structure in above-mentioned arbitrary embodiment still includes driving piece 4 and light source subassembly 3, and light source subassembly 3 is luminous by the drive of driving piece 4, and driving piece 4 has anodal drive wire 221 and negative pole drive wire 222, connects respectively in each second conductive part 21.

The utility model provides a lamp, a first conductive part 11 for electrically connecting with commercial power is arranged on an installation chassis 1, a second conductive part 21 for electrically connecting with a driving part 4 is arranged on a back plate 2, a key hole 110 is arranged on the first conductive part 11, the second conductive part 21 comprises a head part 211 and a neck part 212, when the back plate 2 and the installation chassis 1 rotate relatively, after the head 211 passes through the key head hole 1101 of the key hole 110, the head rotates to the key handle hole 1102 along with the back plate 2, so that the neck 212 is clamped in the key handle hole 1102, not only the back plate 2 can be simply and rotatably connected to the mounting chassis 1, but also the first conductive part 11 and the second conductive part 21 can be connected, thereby the driving piece 4 is connected with the commercial power without connecting a cable when the backboard 2 is installed, the installation of the backboard 2 is simpler, moreover, the lampshade 5 does not need to be disassembled when the lamp is replaced, and the lampshade 5 and the back plate 2 can be directly disassembled together in a rotating way.

Referring to fig. 4, in one embodiment of the lamp, the light source assembly 3 and the driving member 4 are fixed on the side of the back plate 2 opposite to the mounting base plate 1. The lamp further comprises a lampshade 5, the lampshade 5 is covered on the light source component 3, the light emitting surface of the light source component 3 is opposite to the light emitting direction of the lamp, and the light source component 3 of the lamp is arranged in a direct type lamp.

Optionally, the lampshade 5 is rotatably clamped with the back plate 2, and when the lamp is disassembled or replaced, the back plate 2 and the lampshade 5 can be disassembled and assembled together without opening the lampshade 5 to connect a cable. Therefore, the structure, the material and the forming mode of the lampshade 5 are not limited, and the lampshade can be formed by blow molding and injection molding or made of glass.

Optionally, since the second conductive part 21 and the driving part 4 are respectively fixed on two opposite sides of the back plate 2, the back plate 2 is provided with a wire passing hole 25, and the positive driving wire 221 and the negative driving wire 222 of the driving part 4 pass through the wire passing hole 25 to be connected with the second conductive part 21. The number and distribution of the wire through holes 25 are not limited herein.

Referring to fig. 5, in one embodiment of the lamp, the lamp further includes a surface ring 6 fixedly connected to the back plate 2, the driving member 4 is fixed to a side of the back plate 2 facing the mounting base plate 1 and clamped between the mounting base plate 1 and the back plate 2, and the light source assembly 3 is disposed on a side of the back plate 2 opposite to the mounting base plate 1. More specifically, the light source assembly 3 is annularly arranged on the inner surface of the surface ring 6, the light emitting surface of the light source assembly 3 is different from the light emitting direction of the lamp, and the lamp is a side-in type lamp. In the lateral entrance lamp, the lamp further comprises a membrane component 7, and light emitted by the light source component 3 is emitted from the light emitting direction of the lamp after being refracted and reflected by the membrane component 7 so as to enhance the light emitting intensity and uniformity.

Alternatively, referring to fig. 6, the second conductive portion 21 extends toward the surface ring 6 to form a connecting portion 215, and the connecting portion 215 is inserted into the back surface and fixedly connected to the surface ring 6. In this embodiment, the connecting portion 215 has an insertion plate 2151 on a side facing the back plate 2, the back plate 2 is correspondingly provided with an insertion hole 23, and after the insertion plate 2151 is inserted into the insertion hole 23, the connecting portion 215 can be fixed on the face ring 6 by a screw or the like, so that the face ring 6, the second conductive portion 21, and the back plate 2 are fixedly connected. More specifically, the connecting portion 215 is provided with a first connecting hole 2150, the backplate 2 is provided with a second connecting hole 24, the face ring 6 is provided with a third connecting hole, and the screw member sequentially passes through the first connecting hole 2150, the second connecting hole 24 and the third connecting hole, so that the face ring 6, the second conductive portion 21 and the backplate 2 are fixedly connected.

Optionally, referring to fig. 5, the mounting backplate 2 has an annular recess 14 on a side facing the lamp mounting surface, and the cross section of the annular recess 14 is U-shaped, so that the structural strength is higher and the deformation is not easy. And after the back plate 2 is installed to the installation chassis 1, the periphery of the surface ring 6 is wrapped on the periphery of the installation back plate 2, so that gaps between the surface ring 6, the installation back plate 2 and the like of the lamp and the installation surface of the lamp are more uniform.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Backplate mounting structure, its characterized in that includes:

2. The back plate mounting structure of claim 1, wherein: the number of the first conductive parts is two, one of the first conductive parts is connected to the positive pole of the commercial power, and the other first conductive part is connected to the negative pole of the commercial power.

3. The back plate mounting structure of claim 2, wherein: the first conductive part extends towards the lamp mounting surface to form a wire clamping part, the backboard mounting structure further comprises a positive input wire and a negative input wire, and the positive input wire and the negative input wire are respectively and fixedly and electrically connected to the two wire clamping parts.

4. The back plate mounting structure of claim 2, wherein: the number of the second conductive parts is even, at least one pair of conductive groups is formed, and the two second conductive parts in each pair of conductive groups are respectively used for being connected with a positive driving line and a negative driving line of the driving part.

5. The back plate mounting structure of claim 4, wherein: the two first conductive parts and the two second conductive parts in each pair of conductive groups are symmetrically arranged by taking the central shaft of the mounting chassis as a symmetry axis.

6. The back plate mounting structure according to any one of claims 1 to 5, wherein: the second conductive part further comprises a protruding part protruding from the surface of the back plate and an inserting part inserted into and fixed in the back plate, and the head part, the neck part, the protruding part and the inserting part are sequentially connected.

7. The back plate mounting structure according to any one of claims 1 to 5, wherein: the spoon head hole is a circular hole, and the head and the neck are both cylindrical.

8. Lamps and lanterns, its characterized in that: the back plate mounting structure of any one of claims 1-7, further comprising a driving member and a light source assembly electrically connected to the driving member.

9. The luminaire of claim 8, wherein: the light source assembly and the driving piece are fixed on one side, back to the mounting base plate, of the back plate, and the back plate is provided with a wire passing hole for the positive driving wire and the negative driving wire of the driving piece to pass through.

10. The luminaire of claim 8, wherein: the lamp further comprises a face ring fixedly connected with the back plate, the driving piece is fixed on one side, facing the mounting base plate, of the back plate, the light source assembly ring is arranged on the inner surface of the face ring, the second conductive portion extends towards the face ring to form a connecting portion, and the connecting portion is inserted into the back plate and is fixedly connected with the face ring.