CN209782386U - Down lamp - Google Patents

Abstract

The utility model relates to the technical field of lamps and lanterns, a down lamp is provided, include: the lamp body, the light source component, the driving component and the driving box; the lamp body is provided with at least two clearance grooves, the lamp body is rotatably provided with an elastic sheet protruding out of the outer surface of the lamp body at the position corresponding to the clearance grooves, and the elastic sheet can rotate in the space provided by the clearance grooves. Direct insert the down lamp during installation and place the quick installation that the intracavity can realize the down lamp, when needs are dismantled the down lamp, carry out horizontal rotation with the down lamp, at rotatory in-process, thereby the relative down lamp of shell fragment takes place the position and rotates and make the shell fragment gradually with the lateral wall separation of placing the chamber, this moment directly take off the down lamp can, make the utility model discloses a down lamp has easy operation, installation, dismantles convenient advantage.

Description

Down lamp

Technical Field

The utility model relates to the technical field of lamps and lanterns, especially, provide a down lamp.

Background

The LED down lamp is a product which is improved and developed on the basis of the traditional down lamp by applying a novel LED lighting source, and has the advantages of energy conservation, low carbon, long service life and the like compared with the traditional down lamp.

But current LED down lamp is generally installed on the ceiling through a pair of jump ring and shell fragment, when LED down lamp inserts the intracavity of placing at the ceiling, carries out fixed mounting through jump ring and spring and the lateral wall butt of placing the chamber, when needs are dismantled, needs upwards turn over jump ring and shell fragment in narrow and small space more than the ceiling, just enables jump ring and shell fragment and cancels its fixed action, leads to the dismantlement operation of LED down lamp inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a down lamp aims at solving among the prior art down lamp and dismantles the inconvenient technical problem of operation.

In order to achieve the above object, the utility model adopts the following technical scheme: a downlight, comprising: the lamp body, the light source component, the driving component and the driving box; the lamp body is provided with at least two clearance grooves, the lamp body is rotatably provided with an elastic sheet protruding out of the outer surface of the lamp body at the position corresponding to the clearance grooves, and the elastic sheet can rotate in the space provided by the clearance grooves.

Preferably: the lamp body is further provided with a baffle plate corresponding to the clearance groove and used for limiting the elastic sheets to rotate continuously towards one side, and when each elastic sheet rotates to the baffle plate, the long line of the length direction of each elastic sheet passes through the center line of the lamp body.

Preferably: the shell fragment is V type plate structure, the shell fragment includes: the horizontal part, and, the inclined part that forms is extended to the direction of keeping away from the drive box by horizontal part one end, the contained angle between horizontal part and the inclined part is 95 ~ 180.

preferably: and one side of the joint of the horizontal part and the inclined part, which deviates from the included angle, is provided with a depression, and the depression forms a reinforcing rib at the included angle.

preferably: the length ratio of the horizontal part to the inclined part is 0.5-2, and the rotation angle of the elastic sheet is 0-60 degrees.

Preferably: the down lamp still includes: the inner diameter of the installation cylinder is smaller than the maximum outer diameter formed by the elastic sheets, and the elastic sheets can rotate under the action of friction force between the elastic sheets and the inner wall of the installation cylinder, so that the maximum outer diameter is smaller than the inner diameter of the installation cylinder.

Preferably: the lamp body is kept away from the detachable decoration face ring that is equipped with of one end of drive box.

Preferably: the drive assembly includes: the driving circuit board and locate on the driving circuit board, be used for adjusting the toggle switch or the potentiometre of colour temperature be equipped with on the drive box and be used for stirring toggle switch or stir the shift knob of potentiometre.

Preferably: the drive assembly includes: the intelligent small card is arranged on the driving circuit board and used for adjusting color temperature, and a wireless communication module for transmitting information with external terminal equipment is arranged on the intelligent small card.

preferably: the lamp body is loudspeaker form, be equipped with reflection of light cup in the lamp body, the light-emitting window of lamp body is equipped with the printing opacity cover, the printing opacity cover joint will reflection of light cup butt is in on the lamp body in the lamp body.

The utility model has the advantages that:

The utility model provides a pair of down lamp, when needs install down lamp at the ceiling place the intracavity, directly with the down lamp insert can, each shell fragment can the butt on the inner wall of placing the chamber this moment to realize the quick installation of down lamp, when needs are dismantled the down lamp, carry out horizontal rotation with the down lamp, at rotatory in-process, drive the shell fragment with the help of the frictional force between shell fragment end and the inner wall and rotate, thereby make the relative down lamp emergence position of shell fragment rotate make the shell fragment gradually with place the lateral wall separation in chamber, directly take off the down lamp this moment can, make the utility model discloses a down lamp has easy operation, installation, dismantlement convenient advantage.

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 a schematic view of an overall structure of a down lamp provided in an embodiment of the present invention;

fig. 2 is an explosion structure diagram of a down lamp in the embodiment of the present invention;

Fig. 3 is a top view of the light source assembly and the elastic sheet mounted on the lamp body in the embodiment of the present invention;

Fig. 4 is a side view of the light source assembly and the elastic sheet mounted on the lamp body in the embodiment of the present invention;

fig. 5 is a schematic perspective view of the spring plate and the lamp body in the embodiment of the present invention;

Fig. 6 is a schematic view of an oblique bottom view of the driving box and the light source assembly according to the embodiment of the present invention;

fig. 7 is an exploded view of the drive pod and a drive assembly in accordance with an embodiment of the present invention;

Fig. 8 is an exploded view of the drive cassette and another drive assembly in an embodiment of the invention;

fig. 9 is a schematic view of an oblique bottom view of the upper case according to the embodiment of the present invention;

Fig. 10 is a schematic sectional view of a down lamp according to an embodiment of the present invention;

Fig. 11 is an enlarged view of a portion a in fig. 10.

Reference numerals:

1. A lamp body; 11. opening a hole; 12. a bump; 13. positioning holes; 14. a threaded hole; 15. a baffle plate; 16. a notch; 2. a light source assembly; 21. a substrate; 211. a through hole; 22. a lamp bead; 3. a drive assembly; 31. a drive circuit board; 32. a toggle switch; 33. a smart fob; 4. a drive cartridge; 41. putting the box on; 411. a switch button; 412. a card slot; 413. mounting a column; 42. a box is lowered; 421. an empty avoiding groove; 422. a hook; 423. a positioning column; 424. a threaded post; 5. a spring plate; 51. a horizontal portion; 52. an inclined portion; 53. pressing concave; 6. a decorative surface ring; 7. a light reflecting cup; 8. a light-transmitting cover; 81. a ring groove; 9. a fastener; 10. a lamp head assembly.

Detailed Description

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of 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.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, 2 and 5, a downlight includes: lamp body 1, light source subassembly 2, drive assembly 3 and drive box 4. Wherein, drive box 4 is located on lamp body 1, and light source subassembly 2 is located between lamp body 1 and the drive box 4, and drive assembly 3 is located in the drive box 4, and the one end that drive box 4 is close to lamp body 1 is equipped with two at least clearance grooves 421, and the lamp body 1 corresponds the rotation of clearance groove 421 and is equipped with the shell fragment 5 of protrusion lamp body 1 surface, and each shell fragment 5 can keep away the interior damping rotation of space that the groove 421 provided.

Wherein, drive assembly 3 is used for opening and close, colour temperature and luminance etc. that control light source subassembly 2, and lamp body 1 is used for dispelling the heat to light source subassembly 2, keeps away empty groove 421 and is used for providing the space to the rotation of shell fragment 5, and drive box 4 covers light source subassembly 2 on lamp body 1 to protect light source subassembly 2 and drive assembly 3.

Specifically, the lamp body 1 is further provided with a baffle 15 for limiting the elastic sheet 5 to rotate continuously to one side corresponding to the clearance groove 421, and when each elastic sheet 5 rotates to the baffle 15, the long line of the length direction of the elastic sheet 5 passes through the center line of the lamp body 1. That is, when the elastic pieces 5 abut at the blocking plate 15, the length of the elastic pieces 5 extending out of the outer surface of the lamp body 1 is the longest, or it can be understood that when the elastic pieces 5 abut at the blocking plate 15, the outer diameter of the plurality of elastic pieces 5 becomes the largest and the largest outer diameter is larger than the inner diameter of the placing cavity of the ceiling.

When needs install down lamp in the chamber of placing at the ceiling, stir to baffle 15 department earlier with shell fragment 5, then with down lamp disect insertion to place the chamber can, shell fragment 5 takes place the inner wall butt in deformation back and place the chamber, thereby realize the quick installation of down lamp, when needs are dismantled down lamp, carry out horizontal rotation with down lamp, drive shell fragment 5 with the help of the frictional force between 5 ends of shell fragment and the inner wall and rotate, so that shell fragment 5 to the direction rotation of keeping away from baffle 15 and gradually with the lateral wall phase separation of placing the chamber, thereby make things convenient for the dismantlement of down lamp, user's comfort in use has been increased like this.

The utility model provides a pair of down lamp takes place relative rotation through making shell fragment 5 and lamp body 1 and just can realize the quick installation and the dismantlement of down lamp, thereby makes the utility model discloses a down lamp has easy operation, installs, dismantles convenient advantage.

The down lamp of this embodiment still includes: the installation section of thick bamboo (not shown in the figure), the installation section of thick bamboo is fixed on the ceiling, and the installation section of thick bamboo has and places the chamber, and wherein, the internal diameter of installation section of thick bamboo is less than the biggest external diameter that a plurality of shell fragments 5 formed, can be with the stable installation of down lamp in the installation section of thick bamboo like this. After the down lamp is installed in the installation cylinder, the elastic sheet 5 can rotate under the action of friction force between the inner wall of the installation cylinder and the elastic sheet, so that the maximum outer diameter is smaller than the inner diameter of the installation cylinder, and the down lamp is detached from the installation cylinder.

As shown in fig. 1, when the spring plates 5 are provided with two pieces, the two spring plates 5 are symmetrically arranged, and when the spring plates 5 are provided with three, four or five pieces, the spring plates 5 are equidistantly arranged on the lamp body 1 along the axial direction. The quantity of shell fragment 5 can increase according to the whole weight of down lamp, and in this embodiment, shell fragment 5 is preferred to be provided with three, utilizes triangle-shaped theorem, can carry out stable installation with the down lamp, material saving simultaneously to reduce cost.

In this embodiment, as shown in fig. 1 and fig. 2, the down lamp further includes a lamp cap assembly 10, one end of the lamp cap assembly 10 is electrically connected to the driving assembly 3, and the other end of the lamp cap assembly 10 is used for being connected to an external power supply so as to supply power to the down lamp.

preferably: as shown in fig. 3, in the present embodiment, the rotation angle α of the spring 5 is 0 ° to 60 °, that is, the angle of rotation of the spring 5 with respect to the bezel 15 is 0 ° to 60 °, and when the spring 5 abuts against the bezel 15, the angle is 0 °. Preferably, α is 60 °, so that the rotation angle of the elastic sheet 5 is maximized, facilitating the complete separation of the elastic sheet 5 from the side wall of the placing cavity.

Preferably: as shown in fig. 4 and 5, in the present embodiment, the elastic sheet 5 is a V-shaped plate structure, and the elastic sheet 5 includes: the lamp body 1 comprises a horizontal part 51 and an inclined part 52 formed by extending one end of the horizontal part 51, wherein one end of the horizontal part 51 far away from the inclined part 52 is rotatably arranged on the lamp body 1, and an included angle beta between the horizontal part 51 and the inclined part 52 is 95-180 degrees. The elastic sheet 5 is arranged in a V shape, so that the inclined part 52 has guiding and rebounding functions relative to the horizontal part 51, and when the elastic sheet 5 is positioned at the baffle 15, the down lamp can be directly inserted into the placing cavity of the ceiling, and the installation of the down lamp is further facilitated; preferably, β is 150 °, and the spring plate 5 is integrally formed, in this embodiment, the spring plate 5 is made of steel material.

Preferably: as shown in fig. 4 and 5, in the present embodiment, a depression 53 is provided on a side of a joint of the horizontal portion 51 and the inclined portion 52 that faces away from the included angle, and the depression 53 forms a reinforcing rib at the included angle. The indentation 53 is used for increasing the deformation resistance between the inclined part 52 and the horizontal part 51 so as to improve the bearing capacity of the elastic sheet 5, and prevent the inclined part 52 from turning outwards relative to the horizontal part 51, thereby leading the down lamp to fall easily.

Preferably: as shown in FIGS. 4 and 5, in the present embodiment, the horizontal portion 51 and the inclined portion 52 have a length ratio of 0.5 to 2. Preferably, the length ratio of the horizontal part 51 to the inclined part 52 is 1-1.5, and in the above length ratio range, the smaller the length ratio of the horizontal part 51 to the inclined part 52 is, the stronger the bearing capacity of the elastic sheet 5 is, and the better the mounting stability is.

Preferably: as shown in fig. 5, in this embodiment, the elastic sheet 5 is rotatably disposed on the lamp body 1 in a riveting manner, and the elastic sheet 5 is capable of performing damping rotation with respect to the lamp body 1 in a riveting manner, and is capable of maintaining a certain static capability when not acted by an external force, so as to effectively ensure the installation stability of the down lamp, and of course, the elastic sheet 5 can be rotatably disposed on the lamp body 1 in a bolt manner.

Preferably: as shown in fig. 2 and 10, in the present embodiment, the lamp body 1 is in a horn shape, a reflective cup 7 is provided in the lamp body 1, and a light-transmitting cover 8 is provided at a light-emitting opening of the lamp body 1. Wherein, anti-light cup 7 sets up to loudspeaker form equally, and anti-light cup 7 is used for penetrating out through printing opacity cover 8 with the illumination reflection of light source subassembly 2 to the light-emitting outlet to improve illumination intensity and illumination utilization ratio.

as shown in fig. 10 and 11, in the present embodiment, the light-transmissive cover 8 is attached to the lamp body 1 by snap-fitting. Specifically, be equipped with a plurality of radial inward bulges on the lateral wall of lamp body 1, be the lug 12 of circumference distribution, be equipped with annular 81 on the periphery wall of printing opacity cover 8, each lug 12 card goes into in the annular 81 in order to fix printing opacity cover 8 in lamp body 1, wherein, anti-light cup 7 passes through printing opacity cover 8 butt in lamp body 1, specifically be the one end butt of anti-light cup 7 on light source subassembly 2, the other end butt is on printing opacity cover 8, make anti-light cup 7 have simple to operate's advantage like this, printing opacity cover 8 can adopt the glass or the plastic of plain noodles or fog face to make. In other embodiments, the light-transmissive cover 8 is fixed to the lamp body 1 by gluing or by snap-fitting or screwing.

In the present embodiment, the lamp body 1 is made of a metal material, specifically, aluminum, copper or iron, and in other embodiments, the lamp body 1 is made of a plastic material, specifically, PA plastic (english name: Polyamide), PBT (polybutylene terephthalate, english name: polybutylene terephthalate), PC (Polycarbonate, english name: Polycarbonate), PS (Polystyrene-based plastic, english name: Polystyrene), or ABS (acrylonitrile-butadiene-styrene plastic, english name: acrylonitrile-butadiene-styrene copolymer) plastic material.

Preferably: as shown in fig. 5, 10 and 11, a decorative ring 6 is detachably disposed at an end of the lamp body 1 away from the driving box 4. Specifically, the lamp body 1 is provided with the notch 16, the decorative surface ring 6 is provided with the hook 422, the hook 422 is inserted through the notch 16, and then the decorative surface ring 6 or the lamp body 1 is rotated to enable the hook 422 to be connected with the lamp body 1 to realize the installation of the decorative surface ring 6, so that the lamp has the advantage of convenient installation, and in other embodiments, the decorative surface ring 6 can be fixed on the lamp body 1 by gluing, such as double-sided glue; alternatively, the decorative surface ring 6 is screwed with the lamp body 1. In this embodiment, the hook is L-shaped, an insertion groove is provided between the hook and the decorative ring 6, and the lamp body 1 is inserted into the insertion groove through the notch 16 to realize fixed assembly.

In this embodiment, the decorative surface ring 6 is made of a metal material, specifically, aluminum, iron, copper or other alloy materials, and in other embodiments, the decorative surface ring 6 is made of a plastic material, specifically, a PA heat conductive material, PBT, PC, PS or ABS plastic material. In this embodiment, the surface color of the decorative surface ring 6 can be set to different colors according to the requirements of the scene, such as white, nickel, bronze, etc. The design of decorative surface ring 6 can make things convenient for the down lamp to be applicable to in the different scenes, use promptly in the different scenes only need change different colours decorative surface ring 6 can, improved the variety of down lamp outward appearance.

As shown in fig. 6, in the present embodiment, the light source assembly 2 includes: base plate 21 and lamp pearl 22, base plate 21 are aluminium base board 21, and lamp pearl 22 is provided with a plurality ofly and is the circumference and distributes, and 7 one end butt of anti-light cup surround lamp pearl 22 on base plate 21, and in this embodiment, lamp pearl 22 is LDE lamp pearl, and its model can adopt: 2835. 3030, 5050, 5630 or 3014 type LED lamp bead. In this embodiment, the lamp beads 22 are installed in multiples of 2 and in a mixed model and parallel manner, so that each lamp bead 22 can be independently controlled to display illumination of different color temperatures and different brightness.

in the present embodiment, as shown in fig. 1, 5, and 6, the drive cassette 4 includes: an upper case 41 and a lower case 42 are detachable.

specifically, as shown in fig. 5 and 6, a plurality of screw holes are formed in the lamp body 1, a plurality of through holes 211 are formed in the base plate 21, and a plurality of threaded posts 424 are formed at the bottom of the lower case 42, wherein a fastening member 9, such as a screw, is threaded through the screw holes, the through holes 211 and the threaded posts 424 to fix the light source assembly 2 between the lamp body 1 and the driving case 4, and fix the lamp body 1 and the driving case 4 together, thereby providing an advantage of convenience in installation. Specifically, be equipped with a plurality of locating hole 13 on lamp body 1, be equipped with a plurality of through-holes 211 on base plate 21, be equipped with a plurality of reference column 423 in lower box 42 bottom, the setting of reference column 423 and locating hole 13 is the equipment of further making things convenient for lamp body 1 and drive box 4 to improve the packaging efficiency. In the present embodiment, as shown in fig. 3, the base plate 21 is also provided with a plurality of notches, so as to facilitate the rotation of the elastic sheet 5, wherein the thickness of the base plate 21 is greater than that of the elastic sheet 5.

As shown in fig. 3 and 5, in this embodiment, an opening 11 is formed in an end surface of the lamp body 1 close to the driving box 4, and the light source assembly 2 is disposed on an outer surface of the lamp body 1, wherein the lamp bead 22 irradiates light to the inside of the lamp body 1 through the opening 11, so that the light source assembly 2 is convenient to mount, and on the other hand, the weight of the lamp body 1 is reduced. Both the substrate 21 and the driving box 4 are provided with wire holes for conveniently running a conductive wire to realize the electric connection between the driving component 3 and the light source component 2.

As shown in fig. 6, 7 and 8, in one embodiment of the present embodiment, the driving assembly 3 includes: a drive circuit board 31, and a toggle switch 32 arranged on the drive circuit board 31 for adjusting color temperature; specifically, a mounting opening is provided on the upper case 41, through which a switch button 411 for toggling the toggle switch 32 is provided, and in other embodiments, the toggle switch 32 may be replaced by a potentiometer. Wherein, the fluctuation switch or the potentiometer is used for adjusting the color temperature, the brightness intensity and the on-off of the lamp bead 22 on the light source component 2, thereby realizing the display of different color temperatures and brightness intensities of the light source component 2.

In the present embodiment, a plurality of mounting posts 413 are provided in the upper case 41, and the driving circuit board 31 is fixed in the driving case 4 by fasteners 9 such as screws. Wherein, the screw passes lower box 42 and mounting post 413 threaded connection in upper box 41 from the outside of lower box 42, and when upper box 41 adopted the plastic material to make, the screw can adopt self tapping screw.

In the present embodiment, as shown in fig. 8 and 9, the upper case 41 and the lower case 42 are fixed by snap-fitting; specifically, a plurality of hooks 422 are arranged on the lower box 42 at intervals, and a clamping groove 412 for clamping the hooks 422 is formed in the inner side wall of the upper box 41, so that the upper box 41 and the lower box 42 have the advantage of convenience in installation by the mode of the hooks 422 and the clamping groove 412, and the firmness of installation is effectively guaranteed by further fixing through screws.

In another embodiment of the present embodiment, as shown in fig. 8, the driving assembly 3 includes: the intelligent color temperature adjusting device comprises a driving circuit board 31 and a small intelligent card 33 which is arranged on the driving circuit board 31 and is used for adjusting color temperature; the small intelligent card 33 is vertically arranged on the driving circuit board 31, and the lower intelligent card is fixed in a welding mode to realize the conduction of photoelectric signals. Be equipped with wireless communication module on the smart card 33, wireless communication module includes: built-in antenna and external antenna to the realization is to the control of the different functions of lamp pearl 22 such as adjust luminance, mixing of colors or opening and close, and wireless communication module still is used for carrying out information transmission with external terminal equipment. The external terminal equipment can be a mobile phone, a computer, a remote controller, a switch control panel or the like. The two carry out information transmission through modes such as APP, Bluetooth or wife. The smart card 33 in this implementation may be square, rectangular, circular or shaped. When the smart card 33 is used, the upper case 41 does not need to be provided with an installation opening, and the dust resistance of the drive case 4 is improved.

The down lamp provided by the utility model has the advantages of convenient installation and disassembly through rotating the arranged spring plate 5; through the detachable decorative surface ring 6, the capability of the down lamp for being suitable for different application scenes is improved, and the attractiveness and harmony of the down lamp are ensured; the opening 11 is formed in the lamp body 1, so that the light source component 2 is arranged on the outer surface of the lamp body 1, the light source component 2 is convenient to mount, materials are saved, the weight of the down lamp is reduced, the cost is lower, and the market competitiveness of the down lamp is improved; through toggle switch 32 or potentiometre or the little card 33 of intelligence that sets up on drive assembly 3 for the down lamp can show different colour temperatures, different illumination intensity, has improved the irradiant variety of down lamp, so that the down lamp can realize that a lamp is multi-purpose, has further improved the market competition of down lamp.

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 (10)

1. A downlight, comprising: the lamp body, the light source component, the driving component and the driving box; the lamp body is provided with at least two clearance grooves, the lamp body is rotatably provided with an elastic sheet protruding out of the outer surface of the lamp body at the position corresponding to the clearance grooves, and the elastic sheet can rotate in the space provided by the clearance grooves.

2. A downlight according to claim 1, wherein: the lamp body is further provided with a baffle plate corresponding to the clearance groove and used for limiting the elastic sheets to rotate continuously towards one side, and when each elastic sheet rotates to the baffle plate, the long line of the length direction of each elastic sheet passes through the center line of the lamp body.

3. A downlight according to claim 1, wherein: the shell fragment is V type plate structure, the shell fragment includes: the horizontal part, and, the inclined part that forms is extended to the direction of keeping away from the drive box by horizontal part one end, the contained angle between horizontal part and the inclined part is 95 ~ 180.

4. A downlight according to claim 3, wherein: and one side of the joint of the horizontal part and the inclined part, which deviates from the included angle, is provided with a depression, and the depression forms a reinforcing rib at the included angle.

5. A downlight according to claim 3, wherein: the length ratio of the horizontal part to the inclined part is 0.5-2, and the rotation angle of the elastic sheet is 0-60 degrees.

6. A downlight according to claim 2, wherein: the down lamp still includes: the inner diameter of the installation cylinder is smaller than the maximum outer diameter formed by the elastic sheets, and the elastic sheets can rotate under the action of friction force between the elastic sheets and the inner wall of the installation cylinder, so that the maximum outer diameter is smaller than the inner diameter of the installation cylinder.

7. A downlight according to claim 1, wherein: the lamp body is kept away from the detachable decoration face ring that is equipped with of one end of drive box.

8. A downlight according to claim 1, wherein: the drive assembly includes: the driving circuit board and locate on the driving circuit board, be used for adjusting the toggle switch or the potentiometre of colour temperature be equipped with on the drive box and be used for stirring toggle switch or stir the shift knob of potentiometre.

9. A downlight according to claim 1, wherein: the drive assembly includes: the intelligent small card is arranged on the driving circuit board and used for adjusting color temperature, and a wireless communication module for transmitting information with external terminal equipment is arranged on the intelligent small card.

10. A downlight according to any one of claims 1 to 9, wherein: the lamp body is loudspeaker form, be equipped with reflection of light cup in the lamp body, the light-emitting window of lamp body is equipped with the printing opacity cover, the printing opacity cover joint will reflection of light cup butt is in on the lamp body in the lamp body.