CN210717200U

CN210717200U - LED down lamp

Info

Publication number: CN210717200U
Application number: CN201921742113.3U
Authority: CN
Inventors: 叶际爽; 叶达
Original assignee: Shanghai Yuanming Lighting Technology Co ltd
Current assignee: Shanghai Yuanming Lighting Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-09
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a LED down lamp, which comprises a bottom shell, a lampshade and a substrate which is attached with a plurality of LED luminous chips; the lampshade and the bottom shell are mutually clamped to form a shell of the LED down lamp, and the substrate is arranged in the shell; the center of the bottom shell is recessed downwards to form a lower concave surface, the configuration of the lower concave surface is matched with the lampshade, and the substrate is fixed on the lower concave surface of the bottom shell; the outer fringe department of lamp shade is equipped with decurrent a plurality of buckle and spacing bulge, correspond on the lower concave surface of drain pan the position of buckle is equipped with the draw-in groove of corresponding quantity, through with the buckle inserts in the draw-in groove and spacing bulge withstands the lower concave surface of drain pan to it is fixed with lamp shade and drain pan block. The utility model discloses a LED down lamp simple structure and reasonable adopts buckle-draw-in groove structure to fix and the mode of rotatory installation, has avoided the use of screw, dismantles and installs when being convenient for maintain.

Description

LED down lamp

Technical Field

The utility model belongs to LED illumination lamps and lanterns field specifically is a LED down lamp.

Background

LED lamps for illumination have high luminous efficiency, energy saving, and long life, and have become the mainstream light source in the field of light sources for illumination. Traditional light sources such as incandescent lamps and gas discharge lamps are packaged into finished products, and lamp covers are not required to be additionally arranged. Different from the traditional light source, the LED lamp mainly comprises a light-emitting chip, a control circuit and a lamp shade on the outermost side, and a lens is further arranged in the lamp shade according to needs.

The LED down lamp in the current market is rich in product types. However, the lampshade and other internal parts of the existing down lamp, such as the lens, are fixedly mounted by screws, which brings inconvenience to assembly and maintenance.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a LED down lamp.

The utility model provides a technical scheme that its technical problem adopted is: an LED tube lamp comprises a bottom shell, a lampshade and a substrate attached with a plurality of LED light-emitting chips;

the lampshade and the bottom shell are mutually clamped to form a shell of the LED down lamp, and the substrate is arranged in the shell;

the center of the bottom shell is recessed downwards to form a lower concave surface, the configuration of the lower concave surface is matched with the lampshade, and the substrate is fixed on the lower concave surface of the bottom shell;

the outer fringe department of lamp shade is equipped with decurrent a plurality of buckle and spacing bulge, correspond on the lower concave surface of drain pan the position of buckle is equipped with the draw-in groove of corresponding quantity, through with the buckle inserts in the draw-in groove and spacing bulge withstands the lower concave surface of drain pan to it is fixed with lamp shade and drain pan block.

According to a preferred embodiment, the plurality of buckles and the limiting bulges are alternately and uniformly distributed at the outer edge of the lampshade.

Furthermore, the buckle comprises a buckle body and a clamping hook, wherein the lower end of the buckle body extends towards one side;

one end of the clamping groove is wider than the total width of the buckle body and the clamping hook so as to allow the buckle to penetrate into the whole body; the other end of the clamping groove is smaller in width, the width of the clamping groove is larger than the width of the buckle body of the buckle but smaller than the total width of the buckle body and the clamping hook, so that when the buckle penetrates into the end with the larger width of the clamping groove and enters the end with the smaller width, the buckle is limited by the clamping hook and cannot be separated from the clamping groove.

Further, the middle part of draw-in groove is the neck that the width is littleer to buckle and draw-in groove to the block are further spacing.

Furthermore, a lens is further arranged between the base plate and the lampshade, a plurality of downward buckles are arranged at the outer edge of the lens, a corresponding number of clamping grooves are formed in the positions, corresponding to the buckles of the lens, on the lower concave surface of the bottom shell, and the lens is fixed above the bottom shell and the base plate fixed on the bottom shell by inserting the buckles into the clamping grooves.

Furthermore, the centers of the bottom shell and the substrate are provided with wire outlets for the wires to pass through.

Furthermore, a plurality of fixing holes are formed in the base plate, a corresponding number of fixing holes are formed in the positions, corresponding to the fixing holes of the base plate, of the lower concave surface of the bottom shell, and the base plate is fixed to the lower concave surface of the bottom shell through fixing pieces.

Furthermore, a plurality of positioning holes are formed in the substrate, and a corresponding number of positioning protrusions are arranged on the lower concave surface of the bottom shell at positions corresponding to the positioning holes of the substrate, and are used for installing and positioning the substrate, so that the assembly efficiency is improved.

Further, be equipped with a plurality of mounting holes on the concave facial features of drain pan, this mounting hole is the bar hole, and the one end in bar hole establishes to the great circular of diameter, is used for the installation the LED down lamp.

According to a preferred embodiment, the lamp shade is a frosted lamp shade.

The utility model has the advantages that:

1. the bottom shell is fixedly connected with the lampshade and the lens through the buckles and the clamping grooves, so that screws are avoided, meanwhile, the efficiency of rotary assembly is higher, and the economic benefit is improved.

2. The buckle-clamping groove is simple in structure and can guarantee reliable fixed connection.

3. The bottom shell is further provided with a mounting hole, the mounting principle of the bottom shell is similar to that of the rotary assembly between the bottom shell and the lampshade, and the whole lamp is convenient to detach and mount.

Drawings

Fig. 1 is an exploded schematic view of an LED tube lamp according to an embodiment.

FIG. 2 is a partial schematic view of a cross-section of the clasp of FIG. 1.

Fig. 3 is a schematic view of the card slot of fig. 1.

Fig. 4 is a front view of the bottom chassis of fig. 1.

Fig. 5 is a schematic view of the lens of fig. 1.

Fig. 6 is a schematic view of the lamp housing of fig. 1.

Description of the figure numbers:

1. the lamp comprises a shell, a bottom shell 10, a bottom shell 100, a lower concave surface 11, a fixing hole 12, a mounting hole 120, a round end with a larger diameter of the mounting hole 13, a positioning bulge 14, a lamp shade 140 and a limiting bulge.

2. The LED light-emitting device comprises a substrate, 20 fixing holes, 21 positioning holes and 22 LED light-emitting chips.

3. A lens.

40. A buckle, 41. a buckle body, 42. a hook.

50. The clamping groove 51 is the end with the larger width, 52 is the end with the smaller width, and 53 is the neck of the clamping groove.

60. And wire outlet holes 61 are wires.

Detailed Description

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

As shown in fig. 1, the LED tube light of the present embodiment includes a bottom case 10, a lampshade 14, and a substrate 2 mounted with a plurality of LED light emitting chips 22;

the lampshade 14 and the bottom shell 10 are mutually clamped to form a shell 1 of the LED down lamp, and the substrate 2 is arranged inside the shell 1;

the center of the bottom shell 10 is recessed to form a lower concave surface 100, the configuration of the lower concave surface 100 is matched with that of the lampshade 14, and the substrate 2 is fixed on the lower concave surface 100 of the bottom shell 10;

outer fringe department of lamp shade 14 is equipped with decurrent a plurality of buckle 40 and spacing bulge 140, and is preferred, and a plurality of buckle 40 and a plurality of spacing bulge 140's of this lamp shade 14 quantity is three, just buckle 40 with spacing bulge 140 dislocation set, correspond on the lower concave surface 100 of drain pan 10 buckle 40's position is equipped with the draw-in groove 50 of corresponding quantity, through with buckle 40 inserts in the draw-in groove 50 and spacing bulge 140 withstands lower concave surface 100 of drain pan 10 to it is fixed with lamp shade 14 and drain pan 10 block.

It is easy to understand that the LED light emitting chips 22 mounted on the substrate 2 are connected in parallel or in series or in a combination of series and parallel, the positive and negative poles of the wires connected to the LED light emitting chips 22 are connected to external control elements, such as an on-off switch, and a power supply, and this part of circuit connection belongs to a conventional means of power connection, and those skilled in the art can implement the connection according to common knowledge, so the circuit connection and the control circuit are not described again.

Preferably, the plurality of hooks 40 and the limiting protrusions 140 are alternately and uniformly distributed at the outer edge of the lamp housing 14.

Further, the buckle 40 includes a buckle body 41 and a hook 42 extending from the lower end of the buckle body 41 to one side;

one end 51 of the clamping groove 50 is wider than the total width of the buckle body 41 and the hook 42, so as to allow the buckle 40 to penetrate into the whole body; the other end 52 of the slot 50 has a smaller width, which is larger than the width of the buckle body 41 but smaller than the total width of the buckle body 41 plus the hook 42, so that when the buckle 42 penetrates from the end 51 with the larger width of the slot and enters the end 52 with the smaller width, the buckle 40 is restricted by the hook 42 and cannot be separated from the slot 50.

Further, the middle part of the locking groove 50 is a neck part 53 with smaller width to further limit the buckled buckle 40 and the locking groove 50.

Referring to fig. 2 and 3, the clip 40 is first inserted from the end 51 with the larger width of the clip slot 50, and then the lampshade 14 is rotated to clip the clip 40 of the lampshade 14 into the end 52 with the smaller width of the clip slot 50, at this time, the hook 41 of the clip 40 is clipped on the reverse side of the bottom case 10 relative to the concave surface 100 thereof, and the hook 41 at the bottom of the clip 40 and the neck 53 of the clip slot 50 fix the clip 40 at the tail of the clip slot 50; meanwhile, the limiting protrusion 140 of the lampshade 14 is pressed against the lower concave surface of the bottom case 10, that is, the limiting protrusion 140 and the hook 41 of the buckle 40 clamp the bottom case 10 therebetween, so as to prevent the lampshade 14 from shaking up and down along the normal direction of the bottom case 10. The bottom shell 10 and the lampshade 14 are fixedly assembled through the corresponding clamping groove 50, the corresponding buckle 40 and the corresponding limiting protrusion 140, so that the use of screws is avoided, the assembly process is simpler, and the disassembly and the reassembly during maintenance are convenient.

It will be readily appreciated that the snaps 40 and the snap slots 50 have matching arcs to achieve rotational snap engagement and securement between the globe 14 and the bottom housing 10.

Further, referring back to fig. 1, a lens 3 is further disposed between the substrate 2 and the lamp housing 14, a plurality of downward fasteners 40 are disposed at an outer edge of the lens 3, preferably, the number of the fasteners 40 is four, and the downward fasteners 40 are disposed at uniform intervals along one side of an edge of the lens 3, a corresponding number of slots 50 are disposed on a position, corresponding to the fasteners 40 of the lens 3, of the lower concave surface 100 of the bottom case 10, and the lens 3 is fixed above the bottom case 10 and the substrate 2 fixed thereon by inserting the fasteners 40 into the slots 50. The lens 3 acts to focus the light and make the light distribution more uniform. As shown in fig. 5 and 6, the top of the clip 40 provided on the lamp housing 14/lens 3 is integrally connected to the lamp housing 14/lens 3, and the stopper protrusion 140 provided on the lamp housing 14 is also integrally connected to the lamp housing.

As shown in fig. 1, a wire outlet 60 is disposed at the center of the base plate 2 and the bottom shell 10 for passing a wire 61.

Further, a plurality of fixing holes 20 are formed in the substrate 2, preferably, the number of the fixing holes 20 is two, and the fixing holes 20 are uniformly arranged around the center of the substrate 2, a corresponding number of fixing holes 11 are also formed in the positions, corresponding to the fixing holes 20 of the substrate 2, on the lower concave surface 100 of the bottom case 10, and the substrate 2 is fixed on the lower concave surface 100 of the bottom case 10 by fixing members, such as rivets.

Further, the substrate 2 is provided with a plurality of positioning holes 21, preferably, the number of the plurality of positioning holes 21 is two, and the position of the lower concave surface 100 of the bottom case 10 corresponding to the positioning holes 21 of the substrate 2 is provided with a corresponding number of positioning protrusions 13. The positioning holes 21 and the positioning projections 13 are used for mounting and positioning the substrate 2, so that the assembly efficiency is improved.

Further, combine fig. 4, the lower concave surface 100 of drain pan 10 is equipped with a plurality of mounting holes 12, and this mounting hole 12 is the bar hole, and the one end 120 in bar hole establishes to the great circular of diameter, and is preferred, and the quantity of this a plurality of mounting holes 12 is two pairs, and winds the center of drain pan 10 evenly sets up for the installation the LED down lamp. The LED down lamp is installed through the installation hole 12 by means of an external accessory (not shown in the figure) which is similar to the buckle 40 in structure, namely the bottom of the external accessory is large in size, firstly passes through the round end 120 of the installation hole 12, and then the external accessory is clamped into the strip-shaped end of the installation hole 12 through rotation to be installed; or may be fixed by fasteners (not shown), such as screws.

Preferably, the lampshade 14 is a frosted lampshade, so that light is irregularly distributed, and glare of light is avoided.

Claims

1. The utility model provides a LED down lamp, includes drain pan, lamp shade and pastes the base plate that is equipped with a plurality of LED luminescence chips, its characterized in that:

2. The LED down lamp according to claim 1, wherein the plurality of buckles and the limiting protrusions are alternately and uniformly distributed at the outer edge of the lampshade.

3. An LED downlight according to claim 1 or 2, wherein:

the buckle comprises a buckle body and a clamping hook, wherein the lower end of the buckle body extends towards one side;

4. The LED down lamp according to claim 3, wherein the middle of the clamping groove is a neck with a smaller width to further limit the clamping buckle and the clamping groove.

5. The LED down lamp according to claim 1, wherein a lens is further disposed between the base plate and the lamp cover, a plurality of downward fasteners are disposed at an outer edge of the lens, a corresponding number of slots are disposed on a lower concave surface of the bottom casing corresponding to the fasteners of the lens, and the lens is fixed above the bottom casing and the base plate fixed thereon by inserting the fasteners into the slots.

6. The LED down lamp according to claim 1, wherein the bottom shell and the center of the base plate are provided with an outlet hole for passing a wire.

7. The LED down lamp according to claim 1, wherein the base plate is provided with a plurality of fixing holes, the lower concave surface of the bottom shell is also provided with a corresponding number of fixing holes at positions corresponding to the fixing holes of the base plate, and the base plate is fixed on the lower concave surface of the bottom shell by means of fixing members.

8. The LED down lamp according to claim 1, wherein the substrate is provided with a plurality of positioning holes, and the lower concave surface of the bottom shell is provided with a corresponding number of positioning protrusions at positions corresponding to the positioning holes of the substrate, so as to mount and position the substrate, thereby improving the assembly efficiency.

9. The LED down lamp according to claim 1, wherein a plurality of mounting holes are arranged on the lower concave surface of the bottom shell, the mounting holes are strip-shaped holes, and one ends of the strip-shaped holes are arranged in a round shape with a larger diameter and used for mounting the LED down lamp.

10. An LED downlight according to claim 1 wherein the shade is a frosted shade.