CN213983142U

CN213983142U - Spherical-crown-shaped LED lamp

Info

Publication number: CN213983142U
Application number: CN202022696063.9U
Authority: CN
Inventors: 郭杰江; 蒲纪忠; 甘彩英; 赵艺佼
Original assignee: CH Lighting Technology Co Ltd
Current assignee: CH Lighting Technology Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-17
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a spherical crown-shaped LED lamp, which comprises a base and a light-transmitting cover which are mutually buckled, wherein an LED luminous element and a corresponding circuit driving plate are fixed in the base, the base is wholly cylindrical, the base is provided with a relative top surface and a bottom surface in the axial direction of the cylinder, a fixing ring is arranged at the top surface of the base, the LED luminous element and the corresponding circuit driving plate are positioned in the central area of the fixing ring, and the top side of the fixing ring is provided with a mounting groove as a positioning structure; the light-transmitting cover is in a spherical crown shape on the whole, the bottom of the light-transmitting cover is provided with an opening, the edge of the opening of the light-transmitting cover is downwards turned to form a connecting sleeve of an integrated structure, and the connecting sleeve is inserted and fixed in the mounting groove. The LED lamp in the application is simple in structure, convenient to assemble and elegant and simple in appearance.

Description

Spherical-crown-shaped LED lamp

Technical Field

The utility model relates to a LED illumination field especially relates to a spherical crown shaped LED lamp.

Background

With the continuous popularization and technical application of the LED lamps in the market, the LED lamps have the advantages of low power consumption, long service life, long emergency lighting time, easiness in control, no maintenance, safety, environmental friendliness and the like, so the LED lamps are widely applied to various lamp using scenes such as hotels, offices, large markets, basements and the like. At present, more and more LED lamps are used for atmosphere lamps which are placed indoors and have both illumination and beauty.

The existing LED atmosphere lamp generally has high requirement on the appearance attractiveness, and electronic devices of the LED atmosphere lamp are arranged inside a product, so that the internal structure is compact. And when assembling the LED lamp, the fixed part is more, and the assembly step is loaded down with trivial details, has reduced production efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a spherical cap shaped LED lamp that solves at least one of the above problems.

A spherical crown-shaped LED lamp comprises a base and a light-transmitting cover which are mutually buckled, an LED luminous element and a corresponding circuit driving board are fixed in the base,

the LED light-emitting component comprises a base, a light-emitting diode (LED) light-emitting component, a circuit driving board and a positioning structure, wherein the base is cylindrical as a whole, the base is provided with a top surface and a bottom surface which are opposite in the axial direction of the cylinder, the top surface of the base is provided with a fixing ring, the LED light-emitting component and the corresponding circuit driving board are positioned in the central area of the fixing ring, and the top side of the fixing ring is provided with a mounting groove which is used as the positioning structure;

the light-transmitting cover is in a spherical crown shape on the whole and is provided with an opening at the bottom, the edge of the opening of the light-transmitting cover is downwards turned to form a connecting sleeve of an integrated structure, and the connecting sleeve is spliced and fixed in the mounting groove.

Optionally, the base comprises a bottom plate, a peripheral wall extending from an edge of the bottom plate towards the top surface;

the fixing ring is connected with the bottom plate through a connecting bolt, and the outer side peripheral wall of the fixing ring is tightly attached to the inner side of the outer peripheral wall.

Optionally, the inner periphery of the top end of the outer peripheral wall is provided with a chamfer structure.

Optionally, LED illuminating part and corresponding circuit driving board are overlapped from top to bottom in proper order central region in the base, just gu fixed ring central region is open structure as the light-emitting opening, the emergent light via of LED illuminating part the light-emitting opening outwards diverges.

Optionally, a supporting tube extending to the top surface is arranged at a position on the bottom plate corresponding to the light emitting opening, and the LED light emitting element and the corresponding circuit driving board are fixed in an inner area of the supporting tube.

Optionally, a limiting piece is arranged on the circumferential wall of the inner side of the supporting cylinder, and a limiting step is arranged on one side, back to the supporting cylinder, of the top of the limiting piece.

Optionally, the support cylinder divides the base into an installation chamber and a peripheral chamber surrounding the periphery of the installation chamber and having a closed top, the base further comprises a limiting column located at the center of the installation chamber and vertically arranged on the bottom plate, and the circuit driving plate is sleeved on the limiting column.

Optionally, an annular supporting step is circumferentially arranged at the bottom of the limiting column;

the circuit driving board is provided with an avoidance hole, and the circuit driving board is arranged on the supporting step after penetrating through the limiting column through the avoidance hole;

the LED luminous piece is provided with a mounting hole, and the LED luminous piece is fixed to the top end of the limiting column through the mounting hole and the bolt in a matched mode.

Optionally, the periphery of the circuit driving board is provided with a second opening which is matched with the limiting member for limiting;

the LED illuminating lamp is characterized in that an annular step is further arranged between the inner wall of the supporting cylinder and the limiting part, one side, back to the annular step, of the top end of the limiting part is provided with a limiting step, and the periphery of the LED illuminating part is provided with a third opening matched with and limiting the limiting step.

Optionally, the LED lamp further comprises a diffusion cover covering the central region of the fixing ring, and the diffusion cover is integrally located in the light-transmitting cover.

The spherical-crown-shaped LED lamp is composed of the spherical-crown-shaped lampshade, the fixing ring for fixing the lampshade and the base, and is simple in structure and capable of effectively improving assembly efficiency.

Drawings

FIG. 1 is a schematic diagram of an LED lamp according to an embodiment;

FIG. 2 is an enlarged view of the portion A and the portion B of FIG. 1;

FIG. 3 is a schematic view of a retaining ring according to an embodiment of the present invention;

FIG. 4 is a schematic view of the assembly of the base and the electrical components in one embodiment;

FIG. 5 is a schematic structural diagram of a base in one embodiment;

FIG. 6 is a schematic view of an embodiment of an LED lamp inverted;

FIG. 7 is an exploded view of an LED lamp in another embodiment;

FIG. 8 is a schematic cross-sectional view of an LED lamp in another embodiment;

FIG. 9 is an enlarged view of the structure of the portion C in FIG. 8;

FIG. 10 is an enlarged view of the structure of part D in FIG. 8;

the attached drawings indicate the following:

1. a base; 101. a base plate; 102. an outer peripheral wall; 103. a support cylinder; 104. a guide member; 105. an annular groove; 106. a first limit piece; 1061. a limiting step; 107. a limiting column; 1071. supporting a step; 1801. A limiting block; 1802. a limiting strip; 109. avoiding holes; 110. an annular step;

2. a light-transmitting cover; 201. connecting sleeves;

3. a fixing ring 301 and a mounting groove; 302. a first opening;

4. an LED light emitting member; 401. a third opening;

5. a circuit driving board; 501. a second opening;

6. a countersunk hole;

7. a soft cushion;

8. a power supply chip;

9. a diffusion cover; 901. a cylinder.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

As shown in fig. 1, the present application provides a spherical cap-shaped LED lamp, which comprises a base 1 and a transparent cover 2, wherein the base 1 is fastened to each other, an LED lighting element 4 and a corresponding circuit driving board 5 are fixed in the base 1,

the base 1 is cylindrical as a whole, the base 1 is provided with a top surface and a bottom surface which are opposite to each other in the cylindrical axial direction, the top surface of the base 1 is provided with a fixing ring 3, the LED luminous element 4 and the corresponding circuit driving board 5 are arranged in the central area of the fixing ring 3, and the top side of the fixing ring 3 is provided with a mounting groove 301 serving as a positioning structure;

wherein, the light-transmitting cover 2 is in a shape of a spherical crown on the whole and has an opening at the bottom, the edge of the opening of the light-transmitting cover 2 is turned downwards to form a connecting sleeve 201 of an integrated structure, and the connecting sleeve 201 is inserted and fixed in the mounting groove 301.

As shown in fig. 3, the base 1 includes a bottom plate 101, and an outer circumferential wall 102 extending from the edge of the bottom plate 101 toward the top surface, the fixing ring 3 is connected to the bottom plate 101 by a connecting bolt, and the outer circumferential wall of the fixing ring 3 is closely attached to the inside of the outer circumferential wall 102.

Further, the inner periphery of the top end of the outer peripheral wall 102 is provided with a chamfer structure, so that the fixing ring 3 can be conveniently installed on the top of the base 1.

In this embodiment, the LED light emitting element 4 and the corresponding circuit driving board 5 are sequentially stacked in the central region of the base 1 from top to bottom, and the central region of the fixing ring 3 is an open structure as a light emitting opening through which the emergent light of the LED light emitting element 4 is emitted outward.

As shown in fig. 3, the bottom plate 101 has a support cylinder 103 extending toward the top surface at a position corresponding to the light emitting port, and the support cylinder 103 partitions the inside of the base 1 into an installation chamber and a peripheral chamber surrounding the periphery of the installation chamber and having a closed top. The LED luminous elements 4 and the corresponding circuit driving boards 5 are sequentially stacked from top to bottom and fixed in the installation chamber.

In this embodiment, the LED lighting element 4 includes a light-emitting board and a plurality of LED beads distributed on the light-emitting board. And the LED illuminating part 4 and the circuit driving board 5 are both in the shape of which the outer peripheral edge is matched with the inner peripheral edge of the supporting cylinder 103.

As shown in fig. 1, a guide 104 for assisting the fixing ring 3 to be mounted on the base 1 is provided on the outer peripheral wall of the support cylinder 103, and a first stopper 106 and a stopper post 107 for fixing the LED light emitting element 4 and the circuit driving board 5 are provided on the inner peripheral wall of the support cylinder 103 and the bottom plate 101, respectively.

Specifically, the outer peripheral wall of the support cylinder 103 is provided with a guide 104 whose bottom is connected with the bottom plate 101, and the periphery of the inner ring of the fixing ring 3 is provided with a first opening 302 matched with the guide 104. Thus, when the fixing ring 3 is axially mounted on the base 1, the guide 104 is inserted into the corresponding first opening 302, and the positioning function is activated.

In this embodiment, the plurality of guiding elements 104 are distributed at intervals along the circumferential direction of the supporting cylinder 103, and the same number of first openings 302 of the fixing ring 3 are respectively arranged at the corresponding positions of the guiding elements 104 to achieve a certain fixing effect.

As shown in fig. 6, the fixing ring 3 is connected to the base 1 by bolts, and mounting holes for fitting the bolts are respectively formed at corresponding positions of the bottom plate 101 and the fixing ring 3. When the fixing ring is installed, the screw rod side penetrates through the installation hole on the side of the bottom plate 101 back to the fixing ring 3 and then penetrates through the installation hole on the fixing ring 3.

In order to make the bottom surface of the base 1 flat for convenient placement on any plane, the mounting holes provided in the bottom plate 101 are countersunk holes 6 extending in a depth direction toward the fixing ring 3 to receive heads of the bolts.

Further, the countersunk holes 6 are covered with the soft pads 7 to cover the heads of the bolts, so that the LED lamp is more attractive as a whole, and the soft pads 7 increase the friction force between the bottom plate 101 and the plane, so that the LED lamp cannot easily slide when being placed on the plane.

In one embodiment, on the side of the base plate 101 lying flat, there is an annular groove 105 around the counter sink 6 and extending away from the base plate 101 to receive the cushion 7. Wherein the shape of the cushion 7 is adapted to the cross-sectional shape of the annular groove 105, and the thickness of the cushion 7 is the same as the height of the annular groove 105 or protrudes from the top of the annular groove 105.

In this embodiment, the cushion 7 may be made of a material having a soft characteristic, such as rubber or sponge.

As shown in fig. 5, a first limiting member 106 is disposed on the inner peripheral wall of the supporting cylinder 103, and a limiting step 1061 is disposed on a side of the top of the first limiting member 106 facing away from the supporting cylinder 103. The base 1 further comprises a limiting column 107 which is positioned in the center of the installation chamber and vertically arranged on the bottom plate 101, and the circuit driving plate 5 is sleeved on the limiting column 107.

Specifically, the bottom of the limiting column 107 is circumferentially provided with an annular supporting step 1071, the circuit driving board 5 is provided with an avoiding opening, and the circuit driving board 5 is arranged on the supporting step 1071 after penetrating through the limiting column 107 through the avoiding opening. The LED luminous element 4 is provided with a mounting hole, and the LED luminous element 4 is fixed at the top end of the limiting column 107 through the mounting hole and the bolt in a matching manner.

One end distance is arranged from the supporting step 1071 to the top end of the limiting column 107, so that the LED luminous piece 4 and the circuit driving board 5 are spaced at a certain distance in the axial direction, and the normal work of the driving circuit board cannot be influenced when the LED luminous piece 4 works and generates heat for a long time.

As shown in fig. 4, the circuit driving board 5 has a second opening 501 at its periphery for cooperating with the first limiting member 106 for limiting. The top end of the first limiting member 106, which faces away from the annular step 110, has a limiting step 1061, and the periphery of the LED light emitting element 4 has a third opening 401 that is matched with the first limiting step 1061 for limiting.

Specifically, the middle position in the height direction of the first stopper 106 is inserted into the second opening 501 to stop the circuit driving board 5. The limiting step 1061 at the top end of the first limiting member 106 is inserted into the third opening 401 of the LED light emitting member 4 at the top end of the limiting post 107 for limiting.

In this embodiment, the first limiting members 106 are distributed at intervals along the circumferential direction of the supporting cylinder 103, and one or more second openings 501 and third openings 401 are respectively formed on the circuit driving board 5 and the LED light emitting element 4, which are matched with the corresponding limiting members.

In one embodiment, 3 first limiting members 106 are arranged at intervals along the axial direction of the supporting cylinder 103, wherein a second opening 501 is formed on the circuit driving board 5 to perform limiting matching with one of the first limiting members, and a third opening 401 is respectively formed at a position of the LED light emitting member 4 corresponding to each first limiting member 106 in the circumferential direction to perform limiting matching.

In one embodiment, the circuit driving board 5 disposed below the LED illuminating element 4 is further connected to the bottom plate 101 by bolts, and the circuit driving board 5 is further reinforced.

When the LED light emitting element 4 and the driving circuit board are fixed in the mounting chamber, after the peripheries of the LED light emitting element 4 and the driving circuit board are simply limited by the opening provided in the LED light emitting element and the limiting element provided in the supporting cylinder 103, the LED light emitting element and the driving circuit board are fixed by one bolt, so that the stability of the LED light emitting element and the driving circuit board is not reduced, the assembling speed is increased, and the number of parts is reduced.

As shown in fig. 5 and 7, a power supply chip 8 connected to the circuit driving board 5 is further installed in the LED lamp, and the power supply chip 8 is disposed in the peripheral chamber.

In one embodiment, the power supply chip 8 is connected to the bottom plate 101 through a connecting bolt, and when the bolt is tightened, in order to avoid the power supply chip 8 from following rotation, second limiting members distributed around the power supply chip 8 are arranged on the bottom plate 101 in the peripheral area. The second limiting member includes three pieces respectively disposed at two sides corresponding to the width direction of the power supply chip 8 and facing the supporting cylinder 103 in the length direction. Wherein, the two sides are respectively provided with a limit block 1081, and the corresponding sides of the two limit blocks 1081 are respectively clung to the corresponding sides of the power supply chip 8. Set up in power supply chip 8 length direction's second locating part for spacing 1082, seted up the bar bayonet socket on the power supply chip 8 corresponding with spacing 1082 position for spacing 1082 can insert this bayonet socket and carry on spacingly.

Furthermore, the power supply chip 8 is further provided with a mounting hole, and can be connected with the bottom plate 101 through a connecting bolt.

In the present embodiment, the power supply chip 8 has a power supply socket, and the peripheral wall 102 has an avoiding hole 109 corresponding to the power supply socket, as shown in fig. 6.

In the present embodiment, the circuit driving board 5 is electrically connected to the LED emitter 4 and the power supply chip 8, respectively.

Because the LED lighting element 4 dissipates heat due to heat loss when it is operated for a long time, it is easily scalded by an inadvertent hand when it is touched by a person, especially when the lamp is placed in a place easily touched by a person, such as a table, a bed, etc., in the case of only one cover structure.

In order to solve the above problem, the LED lamp further includes a diffusion cover 9 covering the central region of the fixing ring 3, and the diffusion cover 9 is entirely located within the enclosure of the light-transmissive cover 2, as shown in fig. 7.

Not only can solve long-time work like this, the overheated problem of printing opacity cover 2 can also make, and the outgoing light of LED illuminating part 4 outwards disperses via the double-deck shell structure that diffusion cover 9 and printing opacity cover 2 are constituteed in proper order to the luminous angle of LED illuminating part 4 has been increased, and the outgoing light is more even, and the light effect is more soft in the vision.

As shown in fig. 5, an annular step 110 is further provided between the inner wall of the support cylinder 103 and each first stopper 106 for fixing the diffusion cover 9 covering the light emitting port.

As shown in fig. 8-9, a cylinder 901 is butt-jointed to the bottom edge of the opening of the diffusion cover 9 as an insertion section, and the joint of the outer wall of the insertion section and the bottom edge of the opening of the diffusion cover 9 is inserted into the annular step 110. Wherein the edge of the bottom edge is lapped with the top end of the supporting cylinder 103, and the outer wall of the inserting end is tightly attached to the annular step 110.

Specifically, the inner wall of the insertion section and the inner wall of the bottom edge of the diffusion cover 9 are in smooth transition.

In one embodiment, the diffuser cap 9 has a wall thickness that gradually increases from the top radially to the bottom edge of the opening.

As shown in fig. 8 and 10, the connecting sleeve 201 at the bottom of the light-transmitting cover 2 has an overlapping portion that tightens inward and clings to the periphery of the top surface of the base 1, and a plugging portion that extends from the edge of the overlapping portion toward the inside of the annular groove 105.

In this embodiment, for the convenience of mounting the fixing ring 3, the inner periphery of the top end of the outer peripheral wall 102 of the base 1 is provided with a chamfered structure.

In this embodiment, in order to facilitate the installation of the light-transmitting cover 2, the inner side of the outer wall of the installation groove 301 is provided with a flaring structure.

In this embodiment, the transparent cover 2 is made of a transparent material, and the diffusion cover 9 is milky white to better enlarge the diffusion angle of the LED lighting element 4.

In the present embodiment, the diffuser cover 9 and the light-transmissive cover 2 are each of a spherical crown shape.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The spherical crown-shaped LED lamp comprises a base and a light-transmitting cover which are mutually buckled, an LED luminous element and a corresponding circuit driving board are fixed in the base, and the spherical crown-shaped LED lamp is characterized in that,

2. The LED lamp of claim 1, wherein the base includes a floor, a peripheral wall extending from an edge of the floor toward the top surface;

3. The LED lamp of claim 2, wherein an inner peripheral edge of a top end of the outer peripheral wall is provided in a chamfered configuration.

4. The LED lamp of claim 2, wherein the LED lighting element and the corresponding circuit driving board are sequentially stacked in the central region of the base from top to bottom, and the central region of the fixing ring is an open structure and serves as a light emitting opening, through which the emitted light of the LED lighting element is emitted outward.

5. The LED lamp of claim 4, wherein said bottom plate has a support cylinder extending toward a top surface at a position corresponding to said light emitting opening, said LED light emitting element and corresponding circuit driving board being fixed to an inner region of said support cylinder.

6. The LED lamp of claim 5, wherein a limiting member is disposed on the inner peripheral wall of the supporting cylinder, and a limiting step is disposed on a top of the limiting member facing away from the supporting cylinder.

7. The LED lamp of claim 6, wherein the support cylinder divides the interior of the base into a mounting chamber and a peripheral chamber surrounding the periphery of the mounting chamber and having a closed top, the base further comprises a position-limiting post centrally located in the mounting chamber and vertically disposed on the bottom plate, and the circuit driving board is sleeved on the position-limiting post.

8. The LED lamp of claim 7, wherein the bottom of the limiting column is circumferentially provided with an annular supporting step;

9. The LED lamp of claim 8, wherein the circuit driving board has a second opening at a periphery thereof for cooperating with the position limiter to limit the position;

10. The LED lamp of any of claims 1-9, further comprising a diffuser cap disposed over a central region of the retaining ring, the diffuser cap being entirely within the enclosure of the light transmissive cap.