CN109539195B

CN109539195B - High-efficient heat dissipation mechanism of LED lighting bulb device

Info

Publication number: CN109539195B
Application number: CN201811463163.8A
Authority: CN
Inventors: 谭启龙
Original assignee: Cea Electric Co ltd
Current assignee: Cea Electric Co ltd
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2020-09-04
Anticipated expiration: 2038-12-03
Also published as: CN109539195A

Abstract

The invention relates to the technical field of lighting bulbs and discloses a high-efficiency heat dissipation mechanism of an LED lighting bulb device, which comprises a heat radiator, wherein a hemispheroid mounting seat is integrally formed at the upper end of the heat radiator, a plurality of arc-shaped PCB boards are uniformly distributed on the hemispheroid mounting seat, LED lamp beads are arranged on the arc-shaped PCB boards, a lampshade is sleeved on the upper end of the heat radiator, the upper end of the heat radiator is fixedly connected with a buffer seat of an annular structure, the buffer seat is of a hollow structure, the inner wall of the buffer seat is connected with the buffer plate of the annular structure in a sliding mode, the lower end of the buffer plate is connected with the inner wall of the bottom of the buffer seat through a buffer mechanism, a plurality of support rods are uniformly and fixedly connected at the upper end of each support rod, the upper ends of the plurality. This high-efficient heat dissipation mechanism of LED lighting bulb device possesses the advantage that can realize installing the dismantlement fast to the lamp shade.

Description

High-efficient heat dissipation mechanism of LED lighting bulb device

Technical Field

The invention relates to the technical field of lighting bulbs, in particular to an efficient heat dissipation mechanism of an LED lighting bulb device.

Background

The existing LED bulb is not satisfactory in light efficiency or heat dissipation effect due to the defect in design, and cannot meet the requirements of users, the existing LED bulb generally adopts a radiator with a fixed shape for heat dissipation, in order to increase the heat dissipation area, heat dissipation fins are generally densely distributed on the outer wall of the radiator, but the heat is intensively distributed on the outer wall of the radiator in the heat dissipation process, the heat dissipation effect is not ideal, so that the service life of the LED bulb is seriously influenced, in addition, the volume of the existing radiator for the LED lamp is relatively large, a large storage space is needed, and the transportation cost is increased.

Through retrieval, patent with patent grant publication No. CN 106369353A proposes a LED lighting bulb device, which comprises a radiator, a hemisphere mounting seat is integrally formed at the upper end of the radiator, the central axis of the hemisphere mounting seat coincides with the central axis of the radiator, a plurality of arc-shaped PCB boards are uniformly distributed on the hemisphere mounting seat, LED lamp beads are arranged on the arc-shaped PCB boards, a lampshade is sleeved at the upper end of the radiator, the arc-shaped PCB boards and the LED lamp beads are arranged in the lampshade, a plurality of air guide holes capable of communicating the inner side and the outer side of the lampshade are arranged on the side wall at the lower end of the lampshade, the radiator comprises a radiating cylinder body, a radiator main body capable of rotating relative to the radiating cylinder body is arranged in the radiating cylinder body, a plurality of radiating thin sheets capable of being rolled on the radiator main body are arranged on the outer wall of the radiator main body, and a plurality of guide, the heat dissipation thin slice sets up in the guide way be equipped with the air guide hole that runs through the radiator main part along the axis direction in the radiator main part, be equipped with the bleeder vent that enables lamp shade inner chamber and air guide hole intercommunication on the hemisphere mount pad between adjacent LED lamp pearl, this patent though can make the bulb have better heat dispersion, nevertheless comparatively inconvenience when the installation lamp shade, can not realize dismantling the quick installation of lamp shade, and the lamp shade junction does not have effectual shock attenuation buffer measure, can directly turn into rigid collision when the lamp shade receives external impact collision, cause the rigid damage to the lamp shade easily.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the efficient heat dissipation mechanism of the LED lighting bulb device, which has the advantage of being capable of realizing quick mounting and dismounting of the lampshade, and solves the problems that the lampshade is inconvenient to mount and dismount, the lampshade cannot be mounted and dismounted quickly, the connecting part of the lampshade is not provided with an effective damping and buffering measure, the lampshade is directly converted into rigid collision when the lampshade is impacted and collided by the outside, and the lampshade is easily damaged rigidly.

(II) technical scheme

In order to realize the purpose of quickly mounting and dismounting the lampshade, the invention provides the following technical scheme: a high-efficiency heat dissipation mechanism of an LED lighting bulb device comprises a heat radiator, a hemisphere mounting seat is integrally formed at the upper end of the heat radiator, the central axis of the hemisphere mounting seat coincides with the central axis of the heat radiator, a plurality of arc-shaped PCB boards are uniformly distributed on the hemisphere mounting seat, LED lamp beads are arranged on the arc-shaped PCB boards, a lampshade is sleeved at the upper end of the heat radiator, the arc-shaped PCB boards and the LED lamp beads are arranged in the lampshade, a plurality of air guide holes capable of communicating the inner side and the outer side of the lampshade are formed in the side wall at the lower end of the lampshade, the heat radiator comprises a heat dissipation cylinder body, a heat radiator main body capable of rotating relative to the heat dissipation cylinder body is arranged in the heat dissipation cylinder body, a plurality of heat dissipation thin sheets capable of being rolled on the heat radiator main body are arranged on the outer wall of the heat radiator main body, a, the LED lamp is characterized in that an air guide hole penetrating through the radiator main body is formed in the radiator main body along the axis direction, air holes enabling the inner cavity of the lampshade to be communicated with the air guide hole are formed in a hemisphere mounting seat between adjacent LED lamp beads, a buffer seat of an annular structure is fixedly connected to the upper end of the radiator, the buffer seat is of a hollow structure, the inner wall of the buffer seat is slidably connected with a buffer plate of the annular structure, the lower end of the buffer plate is connected with the inner wall of the bottom of the buffer seat through a buffer mechanism, a plurality of support rods are uniformly and fixedly connected to the upper end of the buffer plate, the upper ends of the support rods extend out of the buffer seat through openings formed in the upper end of the buffer seat, the mounting plate of the same annular structure is fixedly connected with the upper end of the buffer plate and the inner wall of the top of the buffer seat, and a plurality of buffer rubber rings are, the utility model discloses a lamp shade, including mounting panel, cylinder groove, thrust spring, spacer bar, reset groove, the locating frame of a plurality of U-shaped structures of the even fixedly connected with in upper end of mounting panel, the even fixedly connected with of lower extreme lateral wall of lamp shade is a plurality of locating pieces that correspond with the locating frame, the cylinder groove has all been seted up to two lateral walls that carry on the back of the body of locating piece, the cylinder inslot is equipped with thrust spring, thrust spring's one end and the inner wall fixed connection in cylinder groove, thrust spring's other end fixedly connected with gag lever post, the spacing groove that corresponds with the gag lever post is seted up to the lateral wall of locating frame, the reset groove that corresponds with the cylinder groove is seted up to the upper end of locating piece, the one end fixedly connected with release link that the gag lever.

Preferably, buffer gear includes two and the buffer board lower extreme is articulated and be the buffer beam that the splayed distributes, two the same reset spring of fixedly connected with between the buffer beam, the lower extreme of buffer beam rotates and is connected with the buffering slider, the bottom inner wall of buffer seat seted up with buffering slider assorted buffering spout.

Preferably, the lateral wall of buffer board is even fixedly connected with a plurality of first limit slide blocks, the inner wall of buffer seat is seted up with first limit slide block phase-match and along the first limit chute of vertical direction setting.

Preferably, the inner wall of the buffer seat corresponding to the upper end opening is symmetrically and fixedly connected with two second limiting sliding blocks, and the rod wall of the supporting rod is provided with second limiting sliding grooves which are matched with the second limiting sliding blocks and are arranged along the vertical direction.

Preferably, two third limiting slide blocks are symmetrically and fixedly connected to the rod wall of one end, located in the cylindrical groove, of the limiting rod, and third limiting slide grooves matched with the third limiting slide blocks are formed in the inner wall of the cylindrical groove.

Preferably, one end of the T-shaped pull rod, which is located in the reset groove, is fixedly connected with a fourth limiting slide block, and a fourth limiting sliding groove matched with the fourth limiting slide block is formed in the inner wall of the reset groove.

Preferably, the lower side rod wall of the limiting rod is provided with an inclined surface.

(III) advantageous effects

Compared with the prior art, the invention provides a high-efficiency heat dissipation mechanism of an LED lighting bulb device, which has the following beneficial effects:

1. this high-efficient heat dissipation mechanism of LED lighting bulb device, through locating piece and the relative joint of locating frame with lamp shade and mounting panel that is equipped with together, the locating piece inserts in the locating frame, the downside inclined plane of gag lever post receives the automatic cylinder inslot that retracts of extrusion force of locating frame upper end, when the gag lever post removes to spacing groove department, thrust spring promotes the gag lever post, release the gag lever post outside the cylinder inslot and make gag lever post and spacing groove block can realize the high-speed joint between lamp shade and the mounting panel, and when the lamp shade was taken off to needs, pulling T shape pull rod, utilize the release link to pull out the relative connection between lamp shade and the mounting panel outside the gag lever post spacing groove can be relieved, can realize the quick installation dismantlement between lamp shade and the mounting panel, and convenient to use.

2. The high-efficiency heat dissipation mechanism of the LED lighting bulb device has the advantages that through the buffer seat arranged, when the lampshade is impacted and collided by the outside, the lamp shade at first extrudees the cushion rubber circle, the resilience force that utilizes the deformation of cushion rubber circle to produce carries out one-level buffering shock attenuation to the lamp shade, lamp shade rethread bracing piece extrusion buffer board, buffer spring is dragged to the buffer board, the resilience force that utilizes the deformation of buffer spring to produce carries out the second grade buffering shock attenuation to the lamp shade, buffer board extrudees buffer gear again, the motion that deviates from each other is done to two buffer rods utilizing the sliding action of buffering slider in buffering the spout, reset spring draws back two buffer rods, the resilience force that utilizes the deformation of reset spring to produce provides the third level buffering shock attenuation to the lamp shade, can provide multistage buffering shock attenuation to the lamp shade, can change the external rigid collision that the lamp shade received into elastic collision, can effectually avoid the lamp shade directly to receive external rigid impact collision and make the problem of damaging.

Drawings

Fig. 1 is a schematic structural view of an efficient heat dissipation mechanism of an LED lighting bulb device according to the present invention;

fig. 2 is an enlarged view of a portion a of the high-efficiency heat dissipation mechanism diagram 1 of the LED lighting bulb device according to the present invention;

fig. 3 is an enlarged view of a portion B of the high efficiency heat dissipation structure diagram 2 of the LED lighting bulb apparatus according to the present invention;

fig. 4 is a schematic structural view of connection between a positioning block and a positioning frame of an efficient heat dissipation mechanism of an LED lighting bulb device according to the present invention.

In the figure: the LED lamp comprises a radiator 1, a hemisphere mounting seat 2, an LED lamp bead 3, a lampshade 4, a buffer seat 5, a buffer plate 6, a support rod 7, a mounting plate 8, a buffer spring 9, a buffer rubber ring 10, a positioning frame 11, a positioning block 12, a cylindrical groove 13, a thrust spring 14, a limiting rod 15, a limiting groove 16, a reset groove 17, a reset rod 18, a pull rod 19T-shaped, a buffer rod 20, a reset spring 21, a buffer sliding block 22 and a buffer sliding groove 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a high-efficiency heat dissipation mechanism of an LED lighting bulb device comprises a heat sink 1, a hemisphere mount 2 is integrally formed at the upper end of the heat sink 1, the central axis of the hemisphere mount 2 coincides with the central axis of the heat sink 1, a plurality of arc-shaped PCBs are uniformly distributed on the hemisphere mount 2, LED bulbs 3 are arranged on the arc-shaped PCBs, a lampshade 4 is sleeved on the upper end of the heat sink 1, the arc-shaped PCBs and the LED bulbs 3 are arranged in the lampshade 4, a plurality of air guide holes capable of communicating the inner side and the outer side of the lampshade are arranged on the side wall of the lower end of the lampshade 4, the heat sink 1 comprises a heat dissipation cylinder body, a heat sink main body capable of rotating relative to the heat dissipation cylinder body is arranged in the heat dissipation cylinder body, a plurality of heat dissipation sheets capable of being rolled on the heat sink main body are arranged on the outer wall of the heat dissipation cylinder, an air guide hole penetrating through the radiator main body is arranged in the radiator main body along the axis direction, an air hole enabling the inner cavity of the lampshade 4 to be communicated with the air guide hole is arranged on the hemisphere mounting seat 2 between the adjacent LED lamp beads 3, the upper end of the radiator 1 is fixedly connected with a buffer seat 5 with an annular structure, the buffer seat 5 is of a hollow structure, the inner wall of the buffer seat 6 is connected with an annular structure in a sliding way, the lower end of the buffer plate 6 is connected with the inner wall at the bottom of the buffer seat 5 through a buffer mechanism, a plurality of support rods 7 are uniformly and fixedly connected with the upper end of the buffer plate 6, the upper ends of the support rods 7 all extend out of the buffer seat 5 through an opening arranged at the upper end of the buffer seat 5 and are fixedly connected with a mounting plate 8 with the same annular structure, a plurality of buffer springs 9 are uniformly and fixedly connected between the upper end of the buffer plate 6 and the inner wall at the top of the, locating frame 11 of a plurality of U-shaped structures of the even fixedly connected with in upper end of mounting panel 8, the even fixedly connected with of lower extreme lateral wall of lamp shade 4 is a plurality of locating pieces 12 that correspond with locating frame 11, cylinder groove 13 has all been seted up to two lateral walls that carry on the back of the body of locating piece 12, be equipped with thrust spring 14 in the cylinder groove 13, thrust spring 14's one end and the inner wall fixed connection in cylinder groove 13, thrust spring 14's other end fixedly connected with gag lever post 15, the spacing groove 16 that corresponds with gag lever post 15 is seted up to locating frame 11's lateral wall, reset groove 17 that corresponds with cylinder groove 13 is seted up to locating piece 12's upper end, the one end fixedly connected with release link 18 that gag lever post 15 is located cylinder groove 13, the one end that release link 18 kept away from gag lever post 15 stretches into reset groove 17 through the.

Buffer gear includes two buffer rods 20 that are articulated and be the splayed and distribute with 6 lower extremes of buffer board, the same reset spring 21 of fixedly connected with between two buffer rods 20, and buffer rod 20's lower extreme rotates and is connected with buffering slider 22, and buffer seat 5's bottom inner wall is seted up with buffering slider 22 assorted buffering spout 23.

The even fixedly connected with a plurality of first limit slider of lateral wall of buffer board 6, the first limit chute that sets up with first limit slider phase-match and along vertical direction is seted up to the inner wall of buffer seat 5.

The inner wall of the buffer seat 5 corresponding to the upper end opening is symmetrically and fixedly connected with two second limiting sliding blocks, and the rod wall of the supporting rod 7 is provided with second limiting sliding grooves which are matched with the second limiting sliding blocks and are arranged along the vertical direction.

Two third limiting slide blocks are symmetrically and fixedly connected to the rod wall of one end, located in the cylindrical groove 13, of the limiting rod 15, and third limiting slide grooves matched with the third limiting slide blocks are formed in the inner wall of the cylindrical groove 13.

One end of the T-shaped pull rod 19, which is positioned in the reset groove 17, is fixedly connected with a fourth limiting slide block, and a fourth limiting slide groove matched with the fourth limiting slide block is formed in the inner wall of the reset groove 17.

The lower side rod wall of the limiting rod 15 is provided with an inclined surface.

In conclusion, when the efficient heat dissipation mechanism of the LED lighting bulb device is used, the lampshade 4 and the mounting plate 8 are relatively clamped together through the positioning block 12 and the positioning frame 11, the positioning block 12 is inserted into the positioning frame 11, the lower side inclined plane of the limiting rod 15 is automatically retracted into the cylindrical groove 13 under the extrusion force of the upper end of the positioning frame 11, when the limiting rod 15 moves to the limiting groove 16, the thrust spring 14 pushes the limiting rod 15 to push the limiting rod 15 out of the cylindrical groove 13 and clamp the limiting rod 15 with the limiting groove 16, so that the rapid connection between the lampshade 4 and the mounting plate 8 can be realized, when the lampshade 4 needs to be taken down, the T-shaped pull rod 19 is pulled, the relative connection between the lampshade 4 and the mounting plate 8 can be released by pulling the limiting rod 15 out of the limiting groove 16 through the reset rod 18, the rapid installation and disassembly between the lampshade 4 and the mounting plate 8 can be realized, the use is convenient, and through the buffer seat 5, when lamp shade 4 receives external impact collision, lamp shade 4 at first extrudes buffer rubber circle 10, the resilience force that utilizes buffer rubber circle 10 deformation to produce carries out one-level buffering shock attenuation to lamp shade 4, lamp shade 4 rethread bracing piece 7 extrusion buffer board 6, buffer spring 9 is dragged to buffer board 6, the resilience force that utilizes buffer spring 9 deformation to produce carries out second grade buffering shock attenuation to lamp shade 4, buffer board 6 extrudes buffer gear again, the motion that deviates from each other is done to two buffer rods 20 utilizing the sliding action of buffering slider 22 in buffering spout 23, two buffer rods 20 are drawn back to reset spring 21, the resilience force that utilizes reset spring 21 deformation to produce provides tertiary buffering shock attenuation to lamp shade 4, can provide multistage buffering shock attenuation to lamp shade 4, can convert the external rigid collision that lamp shade 4 received into elastic collision, can effectually avoid lamp shade 4 directly to receive external rigid impact collision and cause the problem of damaging it easily.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-efficiency heat dissipation mechanism of an LED lighting bulb device comprises a heat radiator (1), a hemisphere mounting seat (2) is integrally formed at the upper end of the heat radiator (1), the central axis of the hemisphere mounting seat (2) is coincident with the central axis of the heat radiator (1), a plurality of arc-shaped PCB boards are uniformly distributed on the hemisphere mounting seat (2), LED lamp beads (3) are arranged on the arc-shaped PCB boards, a lampshade (4) is sleeved at the upper end of the heat radiator (1), the arc-shaped PCB boards and the LED lamp beads (3) are arranged in the lampshade (4), a plurality of air guide holes capable of communicating the inner side and the outer side of the lampshade are arranged on the side wall of the lower end of the lampshade (4), the heat radiator (1) comprises a heat dissipation cylinder body, a heat radiator main body capable of rotating relative to the heat dissipation cylinder body is arranged in the heat dissipation cylinder body, a plurality of heat dissipation sheets capable of being rolled and contracted on, be equipped with a plurality of guide slots on the heat dissipation barrel, the heat dissipation thin slice sets up in the guide slot be equipped with the air guide hole that runs through the radiator main part along the axis direction in the radiator main part, be equipped with the bleeder vent that enables lamp shade (4) inner chamber and air guide hole intercommunication on hemisphere mount pad (2) between adjacent LED lamp pearl (3), its characterized in that: the upper end of the radiator (1) is fixedly connected with a buffer seat (5) with an annular structure, the buffer seat (5) is arranged to be a hollow structure, the inner wall of the buffer seat (5) is connected with a buffer plate (6) with the annular structure in a sliding manner, the lower end of the buffer plate (6) is connected with the inner wall of the bottom of the buffer seat (5) through a buffer mechanism, the upper end of the buffer plate (6) is uniformly and fixedly connected with a plurality of support rods (7), the upper ends of the support rods (7) extend out of the buffer seat (5) through openings formed in the upper end of the buffer seat (5) and are fixedly connected with a mounting plate (8) with the same annular structure, a plurality of buffer springs (9) are uniformly and fixedly connected between the upper end of the buffer plate (6) and the inner wall of the top of the buffer seat (5), and a plurality of buffer rubber rings (10) are uniformly and, the upper end of the mounting plate (8) is uniformly and fixedly connected with a plurality of positioning frames (11) with U-shaped structures, the lower end side wall of the lampshade (4) is uniformly and fixedly connected with a plurality of positioning blocks (12) corresponding to the positioning frames (11), two opposite side walls of the positioning blocks (12) are respectively provided with a cylindrical groove (13), a thrust spring (14) is arranged in each cylindrical groove (13), one end of each thrust spring (14) is fixedly connected with the inner wall of each cylindrical groove (13), the other end of each thrust spring (14) is fixedly connected with a limiting rod (15), the side wall of each positioning frame (11) is provided with a limiting groove (16) corresponding to each limiting rod (15), the upper end of each positioning block (12) is provided with a reset groove (17) corresponding to each cylindrical groove (13), and one end of each limiting rod (15) positioned in each cylindrical groove (13) is fixedly connected with a reset rod (18), one end of the reset rod (18) far away from the limiting rod (15) extends into the reset groove (17) through the through hole and is fixedly connected with a T-shaped pull rod (19).

2. The efficient heat dissipation mechanism of an LED lighting bulb device according to claim 1, wherein: buffer gear includes two buffer rod (20) that just are the splayed distribution with buffer board (6) lower extreme articulated, two the same reset spring (21) of fixedly connected with between buffer rod (20), the lower extreme of buffer rod (20) rotates and is connected with buffering slider (22), the bottom inner wall of buffering seat (5) seted up with buffering slider (22) assorted buffering spout (23).

3. The efficient heat dissipation mechanism of an LED lighting bulb device according to claim 1, wherein: the buffer structure is characterized in that a plurality of first limiting slide blocks are uniformly and fixedly connected to the side wall of the buffer plate (6), and first limiting slide grooves which are matched with the first limiting slide blocks and are arranged along the vertical direction are formed in the inner wall of the buffer seat (5).

4. The efficient heat dissipation mechanism of an LED lighting bulb device according to claim 3, wherein: the inner wall symmetry fixedly connected with two second limit slide blocks of buffer seat (5) corresponding upper end opening part, the pole wall of bracing piece (7) is seted up with the second limit slide block assorted and along the spacing spout of second that vertical direction set up.

5. The efficient heat dissipation mechanism of an LED lighting bulb device according to claim 4, wherein: and two third limiting slide blocks are symmetrically and fixedly connected to the rod wall of one end, located in the cylindrical groove (13), of the limiting rod (15), and third limiting slide grooves matched with the third limiting slide blocks are formed in the inner wall of the cylindrical groove (13).

6. The efficient heat dissipation mechanism of an LED lighting bulb device according to claim 5, wherein: one end of the T-shaped pull rod (19) located in the reset groove (17) is fixedly connected with a fourth limiting sliding block, and a fourth limiting sliding groove matched with the fourth limiting sliding block is formed in the inner wall of the reset groove (17).

7. The efficient heat dissipation mechanism of an LED lighting bulb device according to claim 1, wherein: the lower side rod wall of the limiting rod (15) is an inclined surface.