CN209960281U

CN209960281U - LED spotlight with adjustable illumination angle

Info

Publication number: CN209960281U
Application number: CN201920604402.0U
Authority: CN
Inventors: 林岩
Original assignee: Pak Corp Co Ltd
Current assignee: Chongqing Sanxiong Aurora Lighting Co ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-17
Anticipated expiration: 2029-04-29

Abstract

The utility model provides a but LED shot-light of adjustable illumination angle belongs to the illumination field. The spot lamp comprises a lamp body, a rotary ring and a lamp ring; the lamp body comprises a lamp barrel with an opening at the bottom and an LED light source arranged in the lamp barrel; the side walls of the rotating ring and the lamp barrel are provided with symmetrical shaft holes along the radial direction, the rotating ring is sleeved on the outer wall of the lamp barrel, a pin shaft penetrates through the shaft holes to fix the lamp barrel and the rotating ring together, and a gap which can enable the rotating ring and the lamp barrel to rotate around the pin shaft under the external force is reserved between the rotating ring and the lamp barrel; the lamp ring comprises a surface ring and a sleeve, wherein the middle part of the surface ring is provided with an annular hole corresponding to the lamp cylinder, the sleeve is integrated with the surface ring and vertically faces upwards, the inner diameter of the sleeve is larger than or equal to the outer diameter of the rotating ring, and the rotating ring horizontally clamps the lamp cylinder in the sleeve in a rotating mode. Compared with the prior art, the illumination of this shot-light is adjusted convenient and fast and the scope is wider to this kind of buckle design makes lamp ring and lamp body can conveniently replace.

Description

LED spotlight with adjustable illumination angle

Technical Field

The utility model relates to the field of lighting, specifically be a LED shot-light of adjustable illumination angle.

Background

The LED lighting has the characteristics of low energy consumption, environmental protection, long service life and the like, and is a mainstream product in the current lighting field. The spot lamp is a lamp with directional lighting, and the emitted light is focused, so that the spot lamp has wide application in commercial and household lighting. The embedded LED spotlight generally comprises a lamp body and a lamp ring, wherein the lamp body and the lamp ring are fixed into a whole through a buckle and/or a screw and the like, the lamp body comprises a lamp barrel, an electric appliance and an optical device which are arranged in the lamp barrel, and the lamp ring comprises a face shield with a light emitting hole in the middle and an annular surrounding frame which is vertical to the face shield. Usually, in order to facilitate the installation and fixation of the embedded spotlight, spring clips are symmetrically arranged on the annular surrounding frame. The light ray emitting angle of the LED spotlight with the traditional structure is basically vertical to the plane where the face mask is located, and the illumination range is fixed. However, this method has only one degree of freedom in one direction, and this structure is obviously insufficient when it is required that the light irradiation angle is adjustable along a plurality of axial directions.

SUMMERY OF THE UTILITY MODEL

To the problem that provides in the background art, the utility model provides a but LED shot-light of adjustable illumination angle has add a swivel between lamp body and lamp ring, and the lamp body is fixed as an organic whole with the swivel and can be round a certain axis of swivel and control the deflection, and the swivel can take the lamp body at the face ring internal rotation, and the illumination angle of LED shot-light can carry out the multidimension degree adjustment like this.

An LED spot lamp capable of adjusting an illumination angle comprises a lamp body, a rotating ring and a lamp ring;

the lamp body comprises a lamp barrel with an opening at the bottom and an LED light source arranged in the lamp barrel;

the side walls of the rotating ring and the lamp barrel are provided with symmetrical shaft holes along the radial direction, the rotating ring is sleeved on the outer wall of the lamp barrel, a pin shaft penetrates through the shaft holes to fix the lamp barrel and the rotating ring together, and a gap which can enable the rotating ring and the lamp barrel to rotate around the pin shaft under the external force is reserved between the rotating ring and the lamp barrel;

the lamp ring comprises a surface ring and a sleeve, wherein the middle part of the surface ring is provided with an annular hole corresponding to the lamp cylinder, the sleeve is integrated with the surface ring and vertically faces upwards, the inner diameter of the sleeve is larger than or equal to the outer diameter of the rotating ring, and the rotating ring horizontally clamps the lamp cylinder in the sleeve in a rotating mode.

The LED spotlight designed in this way has more freedom degrees for adjusting the irradiation angle. When the lamp is used, firstly, the lamp body (generally a lamp barrel) is acted on by external force, so that the lamp body rotates around a straight line where the shaft hole is located, when the inner diameter of the rotating ring is fixed, the maximum deflection angle of the rotating ring is in direct proportion to the gap between the lamp body and the rotating ring, namely the larger the gap is, the larger the deflectable angle is. Of course, considering practical use, we usually set the maximum deflection angle in the vertical direction to be 70 °, and we usually set the maximum deflection angle to be within 45 °, otherwise the device is easy to shake under the action of gravity or other external force.

Preferably, in the LED spot lamp, the sleeve is provided with a plurality of spring pieces for fastening the swivel. The number of the elastic sheets is usually at least two, and the elastic sheets are uniformly distributed on the annular wall of the sleeve. The lower extreme and the sleeve of shell fragment are integrative, and the side is equipped with the opening, and the top is equipped with inside convex screens. The elastic sheet is pulled outwards, the rotating ring and the lamp body are placed into the sleeve, external force is released, the elastic sheet returns, and the clamping position on the elastic sheet, the sleeve and the surface ring form a containing cavity for fixing the rotating ring in a clamping manner, so that the rotating ring can only horizontally rotate in the containing cavity.

Preferably, in the LED spot lamp, an outward protruding boss is provided at an outer side of the rotary ring, and an outer diameter of the boss is smaller than or equal to an inner diameter of the sleeve. The outward convex lug boss is arranged on the outer side of the conversion, so that the lug boss is more stably buckled with the elastic sheet in the vertical direction.

Preferably, in the above LED spot light, the outer end of the shaft pin is flush with or located inside the outer side wall of the swivel. The setting is so when angle of adjustment in vertical direction, the round pin axle can not avoid the card dead with telescopic inboard contact friction.

Preferably, in the LED spot lamp, the elastic sheet includes a vertically upward shifting sheet, the bottom of the shifting sheet is integrated with the sleeve, two sides of the shifting sheet are gaps separated from the sleeve, and an inward protruding clip is disposed on the inner side of the shifting sheet near the top; when the buckle is buckled, the boss is clamped and fixed by the clamping protrusion.

Preferably, in the LED spot light, spring holes for installing spring clips are symmetrically formed in the outer edge of the top of the sleeve, and the spring clips are installed in the spring holes.

Preferably, in the above LED spotlight, the lamp body includes a lamp barrel, and an LED light source, a light source pressing sheet, a light reflecting bowl and a face shield that are sequentially installed in the lamp barrel along a light emitting direction, and the face shield is detachably fixed at an opening at the bottom of the lamp barrel.

Compare with the product of current regulation LED shot-light illumination angle, the utility model provides a LED shot-light has the performance of multidimension degree adjustment illumination angle, can obtain better illuminating effect.

Drawings

Fig. 1 is a three-dimensional view of the LED spotlight according to the embodiment 1 of the present invention.

Fig. 2 is an exploded view of the LED spotlight according to the embodiment 1 of the present invention.

Fig. 3 is a three-dimensional view of the LED spotlight according to the embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of a lamp tube according to embodiment 2 of the present invention.

Fig. 5 is a schematic view of a swivel structure in embodiment 2 of the present invention.

Fig. 6 is a schematic view of a lamp ring structure according to embodiment 2 of the present invention.

The reference numbers illustrate:

1-lamp body; 2-swivel; 3-lamp ring; 4-clearance; 5-shaft hole; 6-pin shaft; 7-spring clip; 8-fence; 11-lamp cartridge; 110-ring mouth; 111-power cord mounting hole; 112-Heat sink fins; an LED light source; 13-light source pressing sheet; 14-a reflector; 15-face mask; 151-clamping; 152-pin hole seat; 21-boss; 22-separation pad; 31-face ring; 32-a sleeve; 311-ring hole; 321-spring hole; 322-spring plate; 3221-pick; 3222-card convex; 3223-gap; 3224-reinforcing ribs.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The embodiment provides a ceiling lamp, namely an LED spotlight installed through a spring clamp buckle. The detailed structure is shown in fig. 1 and fig. 2.

The LED spotlight provided by the embodiment comprises a lamp body 1, a rotating ring 2 and a lamp ring 3;

the lamp body comprises a lamp barrel 11 with an opening at the bottom and an LED light source 12 arranged in the lamp barrel 11;

symmetrical shaft holes 5 are formed in the side walls of the rotating ring 2 and the lamp barrel 11 along the radial direction of the rotating ring, the rotating ring 2 is sleeved on the outer wall of the lamp barrel 11, a pin shaft 6 penetrates through the shaft holes 5 to fix the lamp barrel 11 and the rotating ring 2 together, and a gap 4 enabling the rotating ring 2 and the lamp barrel 11 to rotate around the pin shaft 6 under external force is reserved between the rotating ring 2 and the lamp barrel 11;

the lamp ring 3 comprises a surface ring 31 with a ring hole 311 corresponding to the lamp tube 11 at the middle part and a sleeve 32 which is integrated with the surface ring 31 and is vertically upward, the inner diameter of the sleeve 32 is not less than the outer diameter of the rotating ring 2, and the rotating ring 2 horizontally clamps the lamp tube 11 in the sleeve 32 in a rotating way.

When the illumination angle needs to be adjusted, external force can be used for pushing the lamp barrel 11 to rotate around the pin shaft 6, the rotating limit is that the outer wall of the lamp barrel 11 is clamped by the inner wall of the rotating ring 2, so the deflection angle in the vertical direction (the plane where the surface ring 31 is located) is determined by the size of the gap between the lamp body (the lamp barrel) and the rotating ring, in the embodiment, the diameter of the opening at the bottom of the lamp barrel is 100mm, the height of the lamp barrel is 80mm, and the gap left between the lamp body and the rotating ring is 8 mm. After the vertical direction adjustment angle is determined, the lamp 1 and/or the rotary ring 2 are/is rotated by external force to rotate in the sleeve 32, so that light emitted by the LED spotlight can rotate along with the rotation. Through the utility model discloses a design, make the LED shot-light can be at more dimensionality adjustment illumination angles, adjustment method is simple convenient moreover, the simple structure compactness of whole LED shot-light.

Referring to fig. 2, a detailed structure of the spotlight of this embodiment can be seen, where fig. 2 is an exploded view of the structure of the LED spotlight provided in this embodiment.

The lamp body 1 comprises a lamp tube 11, and an LED light source 12, a light source pressing sheet 13, a light reflecting bowl 14 and a face shield 15 which are sequentially arranged in the lamp tube 11 along the light emitting direction, wherein the face shield 15 is detachably fixed at an opening at the bottom of the lamp tube 11.

In this embodiment 1, the lamp tube 11 is made of a metal material with good heat dissipation, and has an open bottom and a cavity inside, and a symmetric axial hole 5 is formed on the sidewall of the lamp tube along the radial direction, where the radial direction is perpendicular to the tangential direction of the axial hole. The shaft hole 5 is located at the lower part of the lamp tube, in this embodiment, the distance between the shaft hole and the lower edge of the lamp tube is 10mm, the diameter of the shaft hole corresponds to the corresponding pin shaft 6, and the shaft hole and the pin shaft are required to be tightly matched.

The surface of a lamp section of thick bamboo 11 is equipped with the fin that is used for the scattering usually, and its main effect is the increase area, takes away the produced heat of LED as early as possible, to the utility model provides a design, heat radiation fin sets up the well upper portion at a lamp section of thick bamboo, should be smooth or approximate smooth in its bottom for the cooperation of the ease swivel, and in this embodiment, the lamp section of thick bamboo outer wall that the bottom opening upwards is about 20mm all is smooth. In addition, it should be noted that the shape of the lamp barrel 11 is not limited to a cylindrical shape or an approximate cylindrical shape, which is a common name in the industry, and specifically, various shapes are possible, and in a broad sense, the bottom having an opening and the inside having a cavity are all applicable.

In this embodiment, a power line insertion hole is further formed in the side wall of the lamp barrel, where the heat dissipation fins are disposed, for inserting the power line into the lamp.

The light source pressing sheet 13 is used for fixing the LED light source, in the embodiment, a clamping groove for fixing the LED light source 12 is formed in the light source pressing sheet, meanwhile, screw holes are formed in the lamp barrel 11 and the light source pressing sheet, the LED light source 12 is placed into the clamping groove during installation, and then the light source pressing sheet 13 is fixed in the lamp barrel 11 through screws. Thus, the LED light source 12 does not rattle within the lamp barrel 11.

The reflector 14 is an optical device frequently used in an LED spot lamp, has a smooth inner wall, can reflect light, is in a horn shape with an upper opening and a lower opening, and has a function of converging light, so that light emitted by an LED light source becomes approximately parallel light and is emitted from the lamp tube 11, and therefore, the closer the focus position of the reflector is to the LED light source 12, the better the reflector is.

The face shield 15 is buckled at the lower opening of the lamp tube 11 to seal the LED light source 12, the optical pressing sheet 13 and the light reflecting bowl 14 in the lamp tube. A vertically upward blocking position 151 is arranged at the edge of the face mask 15. Meanwhile, in order to mount more stably, in this embodiment, the edge of the face mask 15 is further provided with a pair of pin hole seats 152 which are vertically upward, the pin holes 5 are formed on the pin hole seats 152, and the positions of the pin hole seats are ensured to correspond to the positions of the pin holes 5 on the lamp tube 11 when the face mask 15 is fastened at the opening at the lower end of the lamp tube. The assembly is such that it can be secured to the lamp vessel 11 by the shaft pins 6.

The inner diameter of the swivel ring 2 is larger than the outer diameter of the lamp vessel 11 in its snap-in position, so that a gap 4 is left between the two, which allows them to rotate relative to each other. In the embodiment, the rotating ring 2 is made of hard plastic with certain elasticity, the outer side of the rotating ring 2 is provided with a boss 21 protruding outwards, and the outer diameter of the boss 21 is less than or equal to the inner diameter of the sleeve 32. The effect that is equipped with the boss is that the buckle that conveniently plays on sleeve 32 carries out the snap-fit installation to, the lateral wall of swivel 2 need be opened has the pinhole 5 that is used for installing round pin axle 6, and consequently it needs to have certain thickness, if it is whole thick, dismantles when carrying out the snap-fit installation with sleeve 32 and can be more hard, therefore designs to play the outside and has outside convex boss 21. Meanwhile, the contact surface is reduced, so that the friction force between the rotating ring and the lamp ring is reduced during rotation, and the rotating ring is easier to rotate.

In order to avoid unnecessary friction between the pin 6 and the inner wall of the sleeve when the swivel 2 is rotating, the outer end of the pin 6 is designed to be flush with or inside the outer side wall of the swivel 2.

In this embodiment, a protruding spacer 22 is provided on the inner wall of the swivel 2 at the edge of the pin hole 5. The function of which is to ensure that a mutual rotatable gap 4 remains between the lamp ring 2 and the lamp body 1. The separating pad 22 may also be provided at the edge of the lamp vessel 11 outside the pin hole 5. Of course, this effect can be achieved with shims, but the separate shims add to the installation process when installed and also are intended to be discarded when removed.

The sleeve 32 is provided with a plurality of resilient tabs 322 for snap-fitting the swivel 2. The number of the elastic pieces 322 is at least two, and the elastic pieces are uniformly distributed on the circumferential wall of the sleeve 32. The lower end of the spring piece 322 is integrated with the sleeve 32, the side edge is provided with an opening, and the top end is provided with an inward protruding clamping position. The elastic sheet 322 is pulled outwards, the rotary ring 2 and the lamp body 1 are placed into the sleeve, external force is released, the elastic sheet 322 returns, and the rotary ring 2 is fastened and fixed in the accommodating cavity formed by the clamping position on the elastic sheet, the sleeve and the face ring 31, so that the rotary ring can only horizontally rotate in the accommodating cavity.

Spring holes 321 for installing the spring clips 7 are symmetrically arranged on the outer edge of the top of the sleeve 32, and the spring clips 7 are installed in the spring holes 321.

The surface ring on the lamp ring of this embodiment 1 is a square round hole, and still is equipped with rail 8 in the outside of sleeve 32, and this kind of design is pleasing to the eye for the whole of LED shot-light, and the shape of lamp ring can match the design according to actual conditions, and its extension shape can be regular geometric figure, also can be anomalous geometric figure, and whether be equipped with rail 8 then match according to actual conditions.

Example 2

Referring to fig. 3 to 6, the outer edge of the lamp ring of the spotlight provided in the embodiment is circular, and the inner structure of the lamp ring is slightly different from that of the lamp ring in embodiment 1. Meanwhile, in this embodiment 2, specific structures of the lamp barrel 11, the rotary ring 2 and the lamp ring 3 will be described in detail for illustrating some technical details.

Fig. 4 is a structural view of the lamp tube 11, which is made of aluminum alloy material with good heat dissipation, and has a shape similar to an inverted bowl shape, and the outer wall of the upper edge of the bottom opening is smooth, and this area is called a collar 110. The swivel ring is sleeved outside the ring opening 110, the pin hole 5 is also arranged on the ring opening, a separation pad 22 integrated with the lamp body is arranged on the periphery of the pin hole 5, and the lamp barrel 11 is separated from the swivel ring 2 by the separation pad, so that a necessary gap is reserved between the two. On the outer side of the lamp tube, heat dissipating fins 112 are provided, and power line mounting holes 111 are provided at the gaps of the heat dissipating fins 112.

In embodiment 1, we have described that the separating pad 22 is also provided around the pin hole 5 inside the rotating ring 2, and it should be noted that the separating pad 22 may be provided around the corresponding pin shafts of the lamp tube 11 and the rotating ring 2.

Fig. 5 is a structural view of the swivel 2, in which the inner diameter is larger than the outer diameter of the lamp cylinder at the position corresponding to the ring sleeve, and the outer side is provided with a boss 21 protruding outwards.

Fig. 6 is a structural view of the lamp ring 3, which includes a surface ring 31 and a sleeve 32, and the elastic pieces 322 for locking the rotary ring 2 of the rotary ring 2 are located on the sleeve 32, and the number of the elastic pieces is 4, and the elastic pieces are uniformly distributed on the sleeve 32. The spring plate comprises a vertical and upward pick 3221, the bottom of the pick 3221 is integrated with the sleeve 32, and gaps 3223 separated from the sleeve 32 are arranged at two sides of the pick 3221, so that the pick 3221 can be moved back and forth in the vertical direction, and meanwhile, inward-protruding clamping protrusions 3222 are arranged on the pick 3221 close to the inner side of the top; when the rotary ring is buckled, the clamping protrusion 3222 is matched with the boss 21 on the rotary ring 2 to clamp the rotary ring and the rotary ring, so that the rotary ring and the rotary ring are fixed in the vertical direction and cannot fall off.

In this embodiment, in order to make the striking plate 322 easy to be driven, we design the thickness of the striking plate to be thinner than that of the sleeve 32; in addition, in order to improve the strength of the elastic sheet 322, a reinforcing rib 3224 is provided thereon.

Through two above specific embodiments, we are right the utility model discloses detailed specific explanation has been carried out, use this kind of structure, can make the LED shot-light have more extensive illumination angle regulation. In addition, the installation mode is convenient for product exchange, the lamp ring 3 and the lamp body 1 are separated, and the lamp ring is convenient and quick when any party fails or the color or the shape of the lamp ring needs to be changed for decoration.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. An LED spot lamp capable of adjusting an illumination angle comprises a lamp body, a rotating ring and a lamp ring;

the lamp tube is characterized in that symmetrical shaft holes are formed in the side walls of the rotating ring and the lamp tube along the radial direction of the rotating ring, the rotating ring is sleeved on the outer wall of the lamp tube, a pin shaft penetrates through the shaft holes to fix the lamp tube and the rotating ring together, and a gap enabling the rotating ring and the lamp tube to rotate around the pin shaft under external force is reserved between the rotating ring and the lamp tube;

2. The LED spotlight according to claim 1, wherein the sleeve has a plurality of clips for locking the rotary ring.

3. The LED spot lamp with the adjustable illumination angle of claim 2, wherein the outer side of the rotating ring is provided with a convex platform which protrudes outwards, and the outer diameter of the convex platform is less than or equal to the inner diameter of the sleeve.

4. The LED spotlight of claim 1, wherein the outer end of the pin is flush with or inside the outer side wall of the swivel.

5. The LED spotlight according to claim 3, wherein the resilient plate comprises a vertically upward-facing shift plate, the bottom of the shift plate is integrated with the sleeve, two sides of the shift plate are provided with slits separated from the sleeve, and the inner side of the shift plate near the top is provided with an inwardly-protruding clip; when the buckle is buckled, the boss is clamped and fixed by the clamping protrusion.

6. The LED spot lamp with adjustable illumination angle of claim 1, wherein the outer edge of the top of the sleeve is symmetrically provided with spring holes for installing spring clips, and the spring clips are installed in the spring holes.

7. The LED spot lamp with the adjustable illumination angle of claim 1, wherein the lamp body comprises a lamp barrel, and an LED light source, a light source pressing sheet, a reflecting bowl and a mask which are sequentially arranged in the lamp barrel along the light emitting direction, and the mask is detachably fixed at the bottom opening of the lamp barrel.