WO2022253262A1

WO2022253262A1 - Lamp

Info

Publication number: WO2022253262A1
Application number: PCT/CN2022/096556
Authority: WO
Inventors: 郁祁鄂
Original assignee: 苏州欧普照明有限公司; 欧普照明股份有限公司
Priority date: 2021-06-04
Filing date: 2022-06-01
Publication date: 2022-12-08
Also published as: EP4350207A1

Abstract

A lamp, comprising a lamp body (10) and a cover ring (20) sleeved on the outer side of the bottom of the lamp body (10). The lamp body (10) can be rotated with respect to the cover ring (20). First limiting members (134) horizontally extending are provided on the outer sidewall of the bottom of the lamp body (10). The first limiting members (134) are used for limiting the lamp body (10) in the vertical direction. Second limiting members (135) outwardly protruding are provided on the first limiting members (134). Third limiting members (25) corresponding to the second limiting members (135) are provided on the inner sidewall of the cover ring (20). When the lamp body (10) is rotated with respect to the cover ring (20), the second limiting members (135) and the third limiting members (25) interfere with each other, so as to prevent the lamp body (10) from unrestrictedly rotating. The lamp body (10) of the lamp is convenient to mount and disassemble, damage to a mounting surface is reduced, arrangement of the limiting structure prevents excessive rotation of the lamp body (10), and wire pressing stability is improved by taking a fixing support as a wire pressing structure and adding a sawtooth structure.

Description

lamps

This application claims the priority of the Chinese patent application with the application date of June 4, 2021, the application numbers 202121245022.6, 202121245113.X and 202121245110.6, and the invention name is "lamp", the entire content of which is incorporated in this application by reference.

technical field

The present application relates to the technical field of lighting, in particular to a lamp.

Background technique

At present, lamps are being developed towards light weight and compactness, but the wires of existing spotlights need additional special crimping parts for fixing the wires, which increases the cost. Moreover, after the installation of the spotlight is completed, the lamp body is relatively fixed and cannot be disassembled or difficult to disassemble. During maintenance, the face ring needs to be disassembled together, which is extremely inconvenient and easy to damage the ceiling, making it impossible to install it again.

On the other hand, the spotlights can be adjusted in angle, making the spotlights flexible and changeable. However, when the spotlight is rotating, if no limit structure is provided, the lamp will rotate without restriction, causing the wires to twist, thereby causing potential safety hazards. The lamps with a limit structure are all assembled by adding additional parts, which increases the cost and may damage the original overall appearance of the lamp.

Contents of the invention

The purpose of this application is to provide a lamp, which makes the internal structure of the lamp compact and improves maintenance efficiency and safety.

In order to solve the above problems, the present application provides a lamp, which includes a lamp body and a face ring sleeved on the outside of the bottom of the lamp body, the lamp body can rotate relative to the face ring, and the bottom of the lamp body A horizontally extending first stopper is provided on the outer wall, and the first stopper is used to stop the lamp body in the vertical direction. The first stopper is provided with an outwardly protruding Extended second limiter, the inner wall of the face ring is provided with a third limiter corresponding to the second limiter, when the lamp body rotates relative to the face ring, the The second limiting member interferes with the third limiting member to prevent the lamp body from rotating without restriction.

As a further improvement of the present application, a protruding ring-shaped boss is provided on the inner side wall of the face ring, and the boss abuts against the first stopper, and the third stopper is arranged on the below the boss.

As a further improvement of the present application, there is at least one first limiting member, and at least one of the first limiting members is provided with the second limiting member, and there is only one first limiting member. The position member is provided with the second limit member, and the maximum angle of the lamp body unilaterally rotating relative to the face ring is 0°-354°.

As a further improvement of the present application, the lamp body is provided with a first elastic member capable of generating deformation, the first elastic member is connected to the face ring, and the lamp further includes a secondary As for the optical element, the opening of the secondary optical element faces downward and the outer peripheral wall of the secondary optical element is provided with a second elastic member extending toward the lamp body, and the first elastic member is correspondingly provided with the The matching part of the second elastic member is engaged with each other to fix the secondary optical element in the lamp body. An annular groove is formed on the inside of the bottom of the face ring, and the bottom of the secondary optical element is limited. Bits are housed in the grooves.

As a further improvement of the present application, the lamp body includes an upper casing, a light source assembly and a lower casing, the light source assembly is arranged between the upper casing and the lower casing, and a There is a cavity for emitting light from the light source assembly, and the first limiting member and the second limiting member are both arranged on the outer side wall of the lower housing.

In order to solve the above problems, the present application also provides a lamp, including a lamp body and a light source assembly arranged in the lamp body, the light source assembly includes a base plate, a fixing bracket and a power cord, the base plate and the fixing bracket fixedly connected to clamp and fix the power cord between the base plate and the fixing bracket.

As a further improvement of the present application, the fixing bracket is arranged below the base plate, and one side of the fixing bracket is formed with a downwardly recessed recess, the recess is used to accommodate the power cord, and the recess There is a sawtooth structure in contact with the power cord, the sawtooth structure is used to prevent the power cord from moving, and there are locking parts on both sides of the concave part, and a locking hole is opened in the locking part. In order to use a locking piece to pass through the locking hole to lock and fix the recessed portion and the lamp body.

As a further improvement of the present application, an outlet hole is formed between the base plate and the recessed portion, the power cord extends to the lamp body through the outlet hole, and both sides of the recessed portion are provided with The cantilever connected to the fixed bracket, the concave part can be elastically deformed relative to the fixed bracket through the cantilever.

As a further improvement of the present application, the lamp body includes an upper shell and a lower shell arranged up and down, the light source assembly is arranged between the upper shell and the lower shell, and the upper shell The bottom is provided with an abutment surface, and the fixed bracket is connected to the abutment surface, so as to clamp and fix the substrate between the fixed bracket and the abutment surface, and both sides of the concave part pass through The locking portion is connected to the abutting surface, so as to clamp and fix the power cord between the abutting surface and the recessed portion.

As a further improvement of the present application, a heat dissipation assembly connected to the light source assembly is provided in the upper housing, the heat dissipation assembly includes several fins, and when the fixing bracket is connected to the abutment surface, the The abutting surface is in abutment with the substrate.

As a further improvement of the present application, the upper end of the upper case is provided with an outlet groove, and the outlet groove is opened on the side of the upper case, one end of the power cord is welded and fixed on the base plate, and the other end is Pass out from the wire outlet hole and pass through the upper casing until extending to the lamp body along the wire outlet groove.

As a further improvement of the present application, the light source assembly further includes a primary optical element, a cavity for emitting light from the light source assembly is formed in the lower housing, and the primary optical element is disposed in the cavity.

In order to solve the above problems, the present application also provides a lamp, including a lamp body and a face ring assembled and fixed with the lamp body, the lamp body is provided with a first elastic member, and the lamp body passes through the first The elastic part is detachably connected to the face ring, and the bottom of the first elastic part is formed with an inwardly bent operation part, and the first elastic part can be separated from the face ring by pressing the operation part, so that The lamp body is separated from the face ring.

As a further improvement of the present application, the inner side wall of the face ring is provided with a protruding ring-shaped boss, and the outer wall of the first elastic member is provided with a snap-in piece that engages with the boss, The boss is used to support the clamping piece, so as to install and fix the lamp body in the face ring, and the boss and the clamping piece are respectively provided with guide slopes that cooperate with each other, so that The clamping piece is pressed against the boss along the guide slope from below the boss until the clamping piece moves above the boss so that the upper surface of the boss is in contact with the boss. abut against the lower surface of the clamping member.

As a further improvement of the present application, the lamp further includes a secondary optical element arranged in the lamp body, the opening of the secondary optical element faces downwards and the outer peripheral wall of the secondary optical element is provided with a The second elastic part extending from the lamp body, the first elastic part is provided with a matching part that engages with the second elastic part to fix the secondary optical element in the lamp body, and the two The outer peripheral wall of the grade optical element is also formed with a fool-proof strip arranged in the vertical direction, and the inner wall of the lamp body is correspondingly provided with a fool-proof groove opened in the vertical direction, and the fool-proof groove is used for the The fool-proof strip is inserted so that there is only one way for the secondary optical element to be installed on the lamp body.

The beneficial effect of the present application is that: the present application provides an inwardly bent operating portion at the bottom of the first elastic member, so that the operating portion can be used to separate the lamp body from the face ring, which facilitates the installation and removal of the lamp body, Reduce damage to the mounting surface. And by setting the limit structure, excessive rotation of the lamp body is prevented, and the safety is improved. By using the fixed bracket as a wire crimping structure and adding a sawtooth structure, the stability of the crimping wire is improved, components are reduced, and the structure is compact, simple and reliable. This application is not only applicable to lamps, but also applicable to downlights and various recessed installation lamps.

Description of drawings

Fig. 1 is a schematic diagram of an exploded structure of a lamp according to a preferred embodiment of the present application.

Fig. 2 is an enlarged view of the structure at A in Fig. 1 .

Fig. 3 is a cross-sectional side view of a lamp according to a preferred embodiment of the present application.

Fig. 4 is a sectional view of a three-dimensional structure of a lamp according to a preferred embodiment of the present application.

FIG. 5 is an enlarged view of the structure at B in FIG. 4 .

FIG. 6 is a structural schematic view of another embodiment of the third elastic member in FIG. 1 .

Fig. 7 is a side view of another viewing angle of the lamp according to the preferred embodiment of the present application.

Fig. 8 is a schematic diagram of an exploded structure of a light source assembly of a lamp according to a preferred embodiment of the present application.

Fig. 9 is a structural schematic diagram of crimping a power line by the light source assembly of the present application.

Fig. 10 is a cross-sectional side view of a lamp according to a preferred embodiment of the present application.

Fig. 11 is a three-dimensional structure diagram of a light source assembly of a lamp according to a preferred embodiment of the present application.

Fig. 12 is a top view of the light source assembly of the lamp according to the preferred embodiment of the present application.

Fig. 13 is a schematic structural view of the upper housing of the lamp according to the preferred embodiment of the present application.

Fig. 14 is a structural schematic view from another perspective of the upper housing of the lamp according to the preferred embodiment of the present application.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Here, it should be noted that, in order to avoid obscuring the present application due to unnecessary details, only the structures and/or processing steps closely related to the scheme of the present application are shown in the drawings, and the relevant aspects of the present application are omitted. Other details that don't really matter.

Additionally, it should be noted that the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also Other elements not expressly listed, or inherent to the process, method, article, or apparatus are also included.

As shown in Fig. 1 to Fig. 14, the present application discloses a lamp 100, the lamp 100 is provided with a connection structure for easy installation and disassembly, and the connection structure can be used in spotlights. Of course, in other embodiments of the present application, the connection structure may also be used in other forms of lamps, which will not be described in detail or limited here. For clarity of description, the following part of the description will take the connection structure applied to the lamp 100 as an example to describe the specific structure of the lamp 100 in detail.

As shown in Figures 1 to 3, the lamp 100 includes a lamp body 10 and a face ring 20, the lamp body 10 includes an upper casing 11, a light source assembly 12 and a lower casing 13 arranged up and down in sequence, the upper casing The body 11 and the lower casing 13 are fastened by bolts, and the light source assembly 12 is arranged between the upper casing 11 and the lower casing 13 . Certainly, in other embodiments of the present application, the upper casing 11 and the lower casing 13 may also be fixed by a snap-fit structure or a threaded structure, which is not limited here.

In a preferred embodiment of the present application, the upper casing 11 is provided with a heat dissipation assembly 111 connected to the light source assembly 12, the upper casing 11 is cylindrical and the heat dissipation assembly 111 is arranged on the In the cylindrical upper casing 11, the heat dissipation assembly 111 includes several fins (not numbered), which are parallel to each other and vertically arranged to increase the contact area with the air and enhance the heat exchange capability. Further, the heat dissipation assembly 111 may further include a heat dissipation fan (not shown), and the heat dissipation fan is arranged in the fins to enhance the heat dissipation effect on the light source assembly 12 . The lower casing 13 is also cylindrical, and the radius of the lower casing 13 is greater than the radius of the upper casing 11, so that the upper casing 11 is partially sleeved in the lower casing 13, and the lower casing A cavity for the light source assembly 12 to emit light is formed in the body 13 .

As shown in Fig. 3, Fig. 4 and Fig. 8 to Fig. 10, the light source assembly 12 includes a substrate 121, a light source (not shown), a fixing bracket 122, a power cord 123 and a primary optical element 124 arranged up and down in sequence. A light source is provided under the substrate 121, and the light output direction of the light source is vertically downward. The fixed bracket 122 is correspondingly provided with a light output hole 1227 for the light source to output light. The abutting surface 112 matched with the fixing bracket 122 is provided with a mounting hole, and the mounting hole may be a screw hole or a wire hole for the power cord 123 to pass through. The fixing bracket 122 is used to clamp the substrate 121 between the abutting surface 112 and the fixing bracket 122 , the back of the substrate 121 is attached to the upper casing 11 , and the substrate 121 121 and the upper case 11 may be coated with thermal conductive silicone grease to enhance the heat dissipation effect. In other embodiments of the present application, the substrate 121 may also be spaced apart from the upper housing 11, the light source may be a combination of multiple LEDs or a COB light source, and the primary optical element 124 may be a lens mold The group is used to gather light and improve light efficiency, which can be set according to needs, and there is no limitation here. The primary optical element 124 is disposed in the cavity, and the primary optical element 124 is disposed directly below the light exit hole 1227, so that the light emitted by the light source passes through the primary optical element 124 irradiates to the outside of the lamp 100 .

As shown in FIG. 8, FIG. 11 and FIG. 12, in the above embodiment, the base plate 121 and the fixed bracket 122 are fixedly connected by fasteners (not labeled), and the fasteners may be bolts or Can be other structures, one end of the power line 123 is welded and fixed below the base plate and extends to the outside of the base plate 121, the fixing bracket 122 is used to install the base plate 121, and the power line 123 Clamping is arranged between the base plate 121 and the fixing bracket 122 to crimp the power cord 123 .

In a preferred embodiment of the present application, the fixing bracket 122 is arranged under the base plate 121, and one side of the fixing bracket 122 is provided with a wire-fixing portion 1221 extending downward, and the wire-fixing portion 1221 is used to fix the power cord 123, and further, the wire fixing portion 1221 is partially cut to expose the welding window of the substrate 121, so as to solder the power cord 123 to the substrate 121 or carry out welding interface Repair processing. The wire fixing portion 1221 is recessed downward from the plane where the fixing bracket 122 is located to form a recess 1222 for accommodating the power cord 123. Both sides of the recess 1222 are provided with locking portions 1226. The recess The portion 1222 is connected to the abutting surface 112 through the locking portion 1226 , so as to sandwich the power cord 123 between the abutting surface 112 and the recessed portion 1222 . The locking part 1226 is arranged on both sides of the concave part, and a locking hole is opened in the locking part 1226, so that the concave part 1222 can be locked with the abutting surface 112 by using a locking piece through the locking hole. Tight fix. Further, the fins are perpendicular to the abutment surface 112 and arranged above the abutment surface 112, when the fixing bracket 122 is connected to the abutment surface 112, the abutment surface 112 and the abutment surface 112 The substrates 121 are in contact, that is, the heat generated by the substrate 121 is sequentially transferred to the abutting surface 112 and the fins to complete heat dissipation. In another embodiment of the present application, the fixing bracket 122 can also be arranged above the base plate 121, correspondingly, the power line 123 is connected to the base plate 121, and the concave portion 1222 can be upward The depression can be specifically set according to needs, and is not limited here.

Specifically, since there is a height difference between the fixed bracket 122 and the recessed portion 1222, a wire outlet hole 1223 is formed around the substrate 121 and the recessed portion 1222, and the power cord 123 passes through the recessed portion 1222. The outlet hole 1223 extends to the body of the lamp. Cantilever 1224 is provided on both sides of the recessed part 1222. The recessed part 1222 is connected to the fixed bracket 122 through the cantilever 1224. The recessed part 1222 1224 can be elastically deformed relative to the fixing bracket 122 to adapt to the shape of the power cord 123 and improve the stability of the structure. Preferably, reinforcing ribs (not labeled) are also provided on the fixing bracket 122 to further enhance the structural strength.

Further, the concave part 1222 is provided with a sawtooth structure 1225 abutting against the power cord 123, and the sawtooth structure 1225 increases the friction force between the power cord 123 and the recessed part 1222, thereby To prevent the power cord 123 from moving. In other embodiments of the present application, other positions between the power line 123 and the base plate 121 or the fixing bracket 122 may also be provided with the sawtooth structure 1225, which can be set according to needs, and will not be described here. limit.

As shown in FIG. 13 , the abutting surface 112 is surrounded by the inner side wall of the upper casing 11 to form a seating cavity for accommodating the fixing bracket 122 and the base plate 121 , and the fixing bracket 122 is secured by fasteners. fixed in the placement cavity of the upper housing 11, the abutment surface 112, the fixing bracket 122 and the lower housing 13 are respectively provided with a plurality of mounting holes for fastening. Fasteners installed from top to bottom are provided, and the fasteners pass through the abutment surface and the fixing bracket 122 from above the upper casing 11 to the lower casing 13, so as to The substrate 121 is closely combined with the abutment surface 112, the wire fixing part 1221 is closely combined with the abutment surface 112 to fix the power line 123, and the light source is closely connected with the primary optical element 124. Combined with alignment, the assembly of the lamp 100 is completed.

As shown in FIG. 14 , in other embodiments of the present application, the upper end of the upper case 11 is provided with a wire outlet slot 113 for partially accommodating the power cord 123 , and the wire outlet slot 113 is opened in the upper case 11 The power cord 123 passes through the outlet hole 1223 to the installation hole in the upper housing 11 , and extends out of the lamp body 10 along the outlet groove 113 .

The face ring 20 is mounted on the lower end of the lamp body 10, that is, on the outer side of the lower casing 13 in the circumferential direction, and the lower end of the lower casing 13 is provided with a first elastic member 131 extending vertically. , the face ring 20 is detachably connected to the lamp body 10 through the first elastic member 131 . Specifically, the first elastic member 131 is formed by the lower housing 13 and openings are formed between both sides of the first elastic member 131 and the lower housing 13 , and the upper end of the first elastic member 131 is connected to the lower housing 13 . The lower casing 13 is connected so that the first elastic member 131 can elastically deform relative to the lower casing 13 . Preferably, in this embodiment, there may be three first elastic members 131 and the above three first elastic members 131 may be distributed at 120°. Of course, specific angles may be set as required. The first The number of elastic members 131 is not limited to three.

As shown in Figure 3, in another embodiment of the present application, the free end of the first elastic member 131 is formed with an inwardly bent operating portion 132, the operating portion 132 is for manual operation, by pressing the The operation part 132 can make the first elastic member 131 elastically deform, and then separate the lamp body 10 from the face ring 20 . In other embodiments of the present application, the operation part 132 includes but is not limited to other forms such as a handle or a cable. 131 protrudes inward, as long as it is convenient for the operator to operate with bare hands, there is no limitation here.

Furthermore, a protruding annular boss 21 is provided on the inner side wall of the face ring 20 , the radius of the boss 21 is slightly larger than the radius of the lower casing 13 , and the first elastic member 131 A clamping member 133 is provided on the outer wall, and the clamping member 133 extends horizontally outward from the outer wall of the first elastic member 131 , and the clamping member 133 is used to engage with the boss 21 . The lower end of the boss 21 is provided with a guide inclined surface toward the side of the clip 133 , and the upper end of the clip 133 is correspondingly provided with a guide slope facing the boss 21 . The guide slope is matched with the guide slope of the boss 21. When the lamp body 10 is installed with the face ring 20, the boss 21 and the clamping member 133 are staggered by two guide slopes. , so that the first elastic member 131 is deformed until the engaging member 133 moves above the boss 21, the first elastic member 131 resets, and the lower end of the engaging member 133 is in contact with the boss The upper ends of the lamp body 21 are abutted against each other, so that the boss 21 supports the clamping member 133 to install and fix the lamp body 10 in the face ring 20 . It should be noted that, when the lamp body 10 needs to be disassembled, it is only necessary to pull the operating portion 132 to disengage the engaging member 133 from the boss 21 .

As shown in FIG. 6 , in another embodiment of the present application, a third elastic member 22 is provided on the outside of the face ring 20 , and a pair of third elastic members 22 are provided along the face ring 20 The radial direction is distributed on both sides of the face ring 20, and the face ring 20 is abutted on the installation surface through the third elastic member 22. In practical applications, the third elastic member 22 may be a clamp The spring or buckle can be specifically set according to needs, and there is no limitation here. Further, both sides of the face ring 20 in the radial direction are also provided with through holes (not labeled) for the pair of third elastic members 22 to pass through, and one end of the third elastic member 22 is fixed by a bolt On the inner side of the face ring 20 , the other end extends to the outside of the face ring 20 through the through hole, and the third elastic member 22 is formed with a radian along the installation direction, which is convenient for installation and disassembly. It can be understood that the third elastic member 22 includes but is not limited to the above-mentioned fixing methods, and can also be welded, clamped or clamped on the outer surface of the lower casing 13 through a V-shaped elastic piece, which is not limited here.

In other embodiments of the present application, the outer side of the bottom of the face ring 20 is provided with a first baffle plate 23 extending horizontally outwards, the first baffle plate 23 is ring-shaped, and the first baffle plate is used to block the The gap between the face ring 20 and the mounting surface. The inner side of the top of the face ring 20 is provided with a second baffle 24 extending horizontally inward, the second baffle 24 is ring-shaped, and the radius of the second baffle 24 is slightly larger than the radius of the lower casing 13 , that is, the second baffle 24 is arranged in close contact with the lower housing 13 to prevent dust from entering the interior of the lamp body 10 .

In a preferred embodiment of the present application, the surface of the side wall of the lower housing 13 is provided with a first limiting member 134, and the first limiting member 134 fits the side wall of the lower housing 13 Extending horizontally and the first limiting member 134 is arc-shaped, the first limiting member 134 is used to limit the lamp body 10 in the vertical direction. Specifically, the horizontal height of the first limiting member 134 is lower than the horizontal height of the engaging member 133, that is, the engaging member 133 is arranged at a higher position on the side wall of the lower casing 13, The first limiting member 134 is disposed at a lower position on the side wall of the lower housing 13 , and the engaging member 133 and the first limiting member 134 are vertically staggered. The level of the boss 21 of the face ring 20 is located between the clamping member 133 and the first limiting member 134, that is, below the clamping member 133 and at the first limiting member. 134 , the first limiting member 134 is used to prevent the lamp body 10 from extending too far during installation.

As shown in FIGS. 2 and 6 , further, the first limiting member 134 is provided with a second limiting member 135 , and the second limiting member 135 is arranged on the side wall of the first limiting member 134 and horizontally protruding outward, the length of the second limiting member 135 is smaller than the length of the first limiting member 134 . The inner wall of the face ring 20 is provided with a third limiting member 25 corresponding to the second limiting member 135, and the third limiting member 25 protrudes horizontally inward from the inner wall of the face ring 20. and the third limiting member 25 is disposed below the boss 21, and the second limiting member 135 and the third limiting member 25 are located on the same rotation track. When the lamp body 10 and the face ring 20 rotate relative to each other, the second limiter 135 abuts against the third limiter 25 to prevent the lamp body 10 from rotating unrestrictedly, and at the same time prevent The winding of the power cord 123 in the lamp body 10 .

Specifically, the first limiting member 134 is preferably provided with three, and each of the first limiting members 134 is located between the adjacent first elastic members 131, that is, the first limiting member 134 and The first elastic members 131 are sequentially arranged in a staggered manner. Preferably, at least one of the first limiting members 134 is provided with the second limiting member 135, of course, the second limiting member 135 can also be provided with three, by setting the second limiting member 135 at different positions The second limiting member 135 is used to limit the rotation angle of the lamp body 10 , which is not limited here. It should be noted that, when both the second limiting member 135 and the third limiting member 25 are provided with one, the maximum unilateral rotation angle of the lamp body 10 relative to the face ring 20 is 0 °～354°, which can meet various angle adjustment requirements. It should be noted that the lengths of the second limiter 135 and the third limiter 25 will affect the rotation angle of the lamp body 10 relative to the face ring 20, when the second limiter The volume of the member 135 and the third limiting member 25 is small enough, and the maximum value of the rotation angle will approach 360°, which can be set according to needs, and there is no limitation here.

Preferably, the lamp body 10 is further provided with a secondary optical element 30, which may be a reflective cup and is used to further gather light and improve light efficiency. In this embodiment, the primary optical element 124 can be integrated with the secondary optical element 30, and both the primary optical element 124 and the secondary optical element 30 can be made of glass or plastic, of course , the primary optical element 124 and the secondary optical element 30 can also be set in combination, that is, the primary optical element 124 can be detachably installed in the secondary optical element 30, specifically as required settings without any restrictions. The secondary optical element 30 is detachably connected to the lower casing 13 . Specifically, the first elastic member 131 is provided with a fitting portion 136 , the fitting portion 136 is a slot-type structure and is arranged below the snap-fitting member 133 , and on the peripheral wall of the secondary optical element 30 There is a second elastic member 31 extending toward the lamp body 10, the second elastic member 31 includes but not limited to a buckle structure, the buckle is arranged at the end of the second elastic member 31, the The second elastic member 31 can clamp the secondary optical element 30 to the lower end of the lower casing 13 by being embedded in the matching portion 136 .

As shown in FIG. 5 , further, the opening of the secondary optical element 30 is also provided with a flange 32 , and an annular groove 26 is formed at the inner corner of the bottom of the face ring 20 , and the groove 26 It is chamfered and attached to the flange 32, and the flange 32 of the secondary optical element 30 is limited and accommodated in the groove 26, so that the lower bottom surface of the secondary optical element 30 is in contact with the The lower bottom surface of the face ring 20 is flush with each other.

As shown in Figures 1 and 7, a fool-proof strip 33 arranged vertically is formed on the peripheral wall of the secondary optical element 30, and a vertical The fool-proof groove 137 opening in one direction is used for inserting the fool-proof strip 33 , so that the way for the secondary optical element 30 to be installed on the lamp body 10 is unique. It can be understood that the structure of the above-mentioned fool-proof installation method is not unique, as long as the fool-proof installation can be realized.

In summary, the present application provides an inwardly bent operating portion 132 at the bottom of the first elastic member 131, so that the operating portion 132 can be used to separate the lamp body 10 from the face ring 20, which is convenient for the lamp body 10 Installation and disassembly, reducing damage to the installation surface. Moreover, by setting a limit structure, excessive rotation of the lamp body 10 is prevented, and safety is improved. By using the fixing bracket 122 as the wire crimping structure and adding the sawtooth structure 1225, the stability of the crimping wire is improved, parts are reduced, and the structure is compact, simple and reliable. This application is not only applicable to the lamp 100, but also applicable to downlights and various recessed installation lamps.

The above embodiments are only used to illustrate the technical solutions of the present application without limitation. Although the present application has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present application can be modified or equivalently replaced. Without departing from the spirit and scope of the technical solutions of the present application.

Claims

A lamp, comprising a lamp body and a face ring sleeved on the outside of the bottom of the lamp body, the lamp body can rotate relative to the face ring, wherein: the bottom outer wall of the lamp body is provided with a horizontally extending The first limiter is used to limit the lamp body in the vertical direction, and the first limiter is provided with a second limiter protruding outward , the inner wall of the face ring is provided with a third limiter corresponding to the second limiter, when the lamp body and the face ring rotate relatively, the second limiter and the second limiter The third limiting member interferes with each other to prevent the lamp body from rotating without restriction.
The lamp according to claim 1, wherein: the inner side wall of the face ring is provided with a protruding ring-shaped boss, the boss abuts against the first limiting member, and the third limiting member The parts are arranged under the boss.
The lamp according to claim 1, wherein: at least one first limiting member is provided, and at least one of the first limiting members is provided with the second limiting member, and there is only one of the first limiting members. The first limiting member is provided with the second limiting member, and the lamp body can rotate at a maximum angle of 0°-354° relative to the face ring.
The lamp according to claim 1, wherein: the lamp body is provided with a first elastic member capable of producing deformation, the first elastic member is connected with the face ring, and the lamp further includes a The secondary optical element in the body, the opening of the secondary optical element faces downward and the outer peripheral wall of the secondary optical element is provided with a second elastic member extending toward the lamp body, and the first elastic member corresponds to There is a fitting part engaged with the second elastic member to fix the secondary optical element in the lamp body, an annular groove is formed on the inside of the bottom of the face ring, and the secondary optical element The bottom limit of the element is accommodated in the groove.
The lamp according to claim 1, wherein: the lamp body comprises an upper housing, a light source assembly and a lower housing, the light source assembly is arranged between the upper housing and the lower housing, and the lower housing A cavity for emitting light from the light source assembly is formed in the housing, and the first limiting member and the second limiting member are both arranged on the outer side wall of the lower housing.
A lamp, comprising a lamp body and a light source assembly arranged in the lamp body, wherein: the light source assembly includes a base plate, a fixing bracket and a power cord, and the base plate and the fixing bracket are fixedly connected to connect the power supply The wire is clamped and fixed between the base plate and the fixing bracket.
The lamp according to claim 6, wherein: the fixing bracket is arranged under the base plate, and one side of the fixing bracket is formed with a downwardly recessed recess, and the recess is used to accommodate the power cord , there is a sawtooth structure abutting against the power cord inside the recessed part, the sawtooth structure is used to prevent the power cord from moving, and locking parts are provided on both sides of the recessed part, and a locking part is set inside the locking part There is a locking hole, so that the recessed part and the lamp body can be locked and fixed by a locking piece passing through the locking hole.
The lamp according to claim 7, wherein: an outlet hole is formed between the substrate and the recessed portion, the power cord extends to the body of the lamp through the outlet hole, and both sides of the recessed portion are provided with There is a cantilever connected to the fixed bracket, and the concave part can be elastically deformed relative to the fixed bracket through the cantilever.
The lamp according to claim 8, wherein: the lamp body comprises an upper shell and a lower shell arranged up and down, the light source assembly is arranged between the upper shell and the lower shell, the The bottom of the upper housing is provided with an abutment surface, and the fixing bracket is connected to the abutment surface, so as to clamp and fix the substrate between the fixing bracket and the abutment surface, and the recessed portion Both sides are connected to the abutting surface through the locking portion, so as to clamp and fix the power cord between the abutting surface and the recessed portion.
The lamp according to claim 9, wherein: a heat dissipation assembly connected to the light source assembly is provided in the upper housing, the heat dissipation assembly includes several fins, and when the fixing bracket and the contact surface When connected, the abutting surface is in abutment with the substrate.
The lamp according to claim 9, wherein: the upper end of the upper casing is provided with an outlet slot, the outlet slot is set on the side of the upper casing, and one end of the power cord is welded and fixed on the base plate The other end passes through the wire outlet hole and passes through the upper casing until extending along the wire outlet slot to the lamp body.
The lamp according to claim 9, wherein: the light source assembly further includes a primary optical element, a cavity for emitting light from the light source assembly is formed in the lower housing, and the primary optical element is arranged on the cavity.
A lamp, comprising a lamp body and a face ring assembled and fixed with the lamp body, wherein: the lamp body is provided with a first elastic member, and the lamp body can be connected with the face ring through the first elastic member Detachable connection, the bottom of the first elastic member is formed with an inwardly bent operating part, pressing the operating part can separate the first elastic member from the face ring, so that the lamp body is detached from the face ring ring.
The lamp according to claim 13, wherein: the inner side wall of the face ring is provided with a protruding ring-shaped boss, and the outer wall of the first elastic member is provided with a locking ring that engages with the boss. The clamping piece, the boss is used to support the clamping piece, so as to install and fix the lamp body in the face ring, and the boss and the clamping piece are respectively provided with mutually matching The guide slope, the clamping piece is pressed against the boss along the guide slope from the bottom of the boss until the clamping piece moves to the top of the boss, so that the protrusion of the boss The upper surface abuts against the lower surface of the clip.
The lamp according to claim 13, wherein: the lamp further comprises a secondary optical element arranged in the lamp body, the opening of the secondary optical element faces downward and the peripheral wall of the secondary optical element is provided with There is a second elastic piece extending toward the lamp body, and the first elastic piece is provided with a matching portion that engages with the second elastic piece to fix the secondary optical element in the lamp body , the outer peripheral wall of the secondary optical element is also formed with a fool-proof strip arranged in the vertical direction, and the inner wall of the lamp body is correspondingly provided with a fool-proof groove opened in the vertical direction, and the fool-proof groove It is used for inserting the fool-proof strip so that the secondary optical element is installed on the lamp body in a unique manner.