CN218645325U

CN218645325U - Cylindrical spotlight radiator structure

Info

Publication number: CN218645325U
Application number: CN202223044131.9U
Authority: CN
Inventors: 刘占国
Original assignee: Jiangsu Youwei Shijie Technology Co ltd
Current assignee: Jiangsu Youwei Shijie Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-17
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a cylindrical spotlight radiator structure, which comprises a lamp, a mounting plate for mounting the lamp, a radiator for radiating the lamp and a shell for supporting the mounting plate; the mounting plate is arranged in the shell and contacts the inner side wall of the shell; the mounting plate divides the interior of the shell into cavities; the lamp is arranged at one end of the mounting plate; the radiator is arranged at the other end of the mounting plate; the cavities on the two sides are communicated with each other. The problem of slow radiating rate, lead to the overheated damage of down lamp, when putting into the shell with lamps and lanterns simultaneously, lamps and lanterns are in shell unfixed position is solved.

Description

Cylindrical spotlight radiator structure

Technical Field

The utility model relates to a radiator field especially relates to a cylindric shot-light radiator structure.

Background

The LED down lamp is a product developed by improving the traditional down lamp by applying a novel LED lighting source, and has the following advantages compared with the traditional down lamp: energy saving, low carbon, long service life, good color rendering and high response speed. The LED down lamp is more attractive and light in design, part of the down lamp is a floor lamp and can be carried, the radiator is used for radiating the down lamp, excessive heat is generated inside the down lamp under the condition of long-time illumination, and the radiator can radiate the heat and is mainly used for radiating the floor down lamp;

the existing radiator has certain defects, the radiating speed is low, when the high-power illumination down lamp illuminates, the inside of the existing radiator can generate large heat, the radiating effect of the existing radiator can not be applied frequently, the down lamp can be damaged due to overheating, unnecessary loss can be caused, and meanwhile, when the lamp is installed in the shell, the position of the lamp in the shell is not fixed. Therefore, a cylindrical spotlight heat sink structure is proposed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a cylindric shot-light radiator structure, and it is slow to have solved prior art radiating rate, leads to the overheated damage of down lamp, and when packing into the shell with lamps and lanterns, lamps and lanterns are in the unsettled problem in shell position simultaneously.

The technical scheme adopted by the embodiment of the application is as follows.

A cylindrical spotlight radiator structure comprises a lamp, a mounting plate for mounting the lamp, a radiator for radiating the lamp and a shell for supporting the mounting plate; the mounting plate is disposed within the housing and the mounting plate contacts the housing; the mounting plate separates the inside of the shell into cavities; the lamp is arranged at one end of the mounting plate; the radiator is arranged at the other end of the mounting plate; the cavities on the two sides of the shell are communicated with each other.

The further technical scheme is as follows: the mounting plate is provided with a first inclined plane and air holes for increasing the air exchange capacity of the cavities on two sides; a second inclined plane is arranged in the shell; the first inclined surface is in contact with the second inclined surface; the air holes are arrayed along the mounting plate in a plurality.

The further technical scheme is as follows: the mounting plate is provided with a clamping device which fixedly connects the mounting plate in the shell; the clamping device clamps the side wall of the shell.

The further technical scheme is as follows: the clamping device comprises an elastic sheet for limiting the position of the mounting plate and a bolt for fixing the elastic sheet; the elastic sheet clamps the inner side wall of the shell; the bolt penetrates through the elastic sheet and is in threaded connection with the mounting plate.

The further technical scheme is as follows: the elastic sheet is in an inverted buckle shape.

The further technical scheme is as follows: the clamping device comprises a first clamping block for limiting the position of the installation plate, a third clamping block arranged on the first clamping block, a second clamping block for moving the position of the first clamping block and a first spine for clamping the first clamping block; the third clamping block is arranged on the second clamping block; the second clamping block is movably connected to the mounting plate; the first spine is disposed within the housing; a second spine is arranged on the side surface of the first fixture block facing the first spine; the second thorn faces the first thorn and is clamped into the first thorn at the same time.

The further technical scheme is as follows: a second sliding groove and a first sliding groove communicated with the second sliding groove are formed in the shell; the first clamping block slides in the first sliding groove; the second sliding groove is formed in the direction far away from the mounting plate; the first thorns are arrayed along the direction of the second sliding groove.

The further technical scheme is as follows: a third sliding groove for sliding the second clamping block is formed in the mounting plate; fourth sliding grooves for guiding the sliding direction of the second fixture block are formed in the two sides of the third sliding groove; sliding blocks are arranged on two sides of the second clamping block; the sliding block slides in the fourth sliding groove; the fourth sliding groove is arranged towards the direction far away from the first clamping block.

The further technical scheme is as follows: the third clamping block is provided with a guide rod for guiding the third clamping block and an elastic piece for pressing the third clamping block; the guide rod is fixedly connected to the third fixture block; the guide rod is inserted into the second clamping block; the elastic piece is sleeved on the guide rod.

The further technical scheme is as follows: the clamping device is provided with a plurality of along the mounting plate.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. because the lamp is arranged on one side of the mounting plate, the radiator is arranged on the other side of the mounting plate, the side wall of the mounting plate is in contact with the inner side wall of the shell, and the cavities on the two sides are communicated with each other, the problem that the down lamp is damaged due to overheating due to low radiating speed is effectively solved, and meanwhile, when the lamp is arranged in the shell, the position of the lamp in the shell is not fixed, so that the lamp is radiated, and meanwhile, the radiating efficiency is high.

2. Because the first inclined plane is contacted with the second inclined plane, the surface of the first inclined plane and the surface of the second inclined plane are subjected to high-precision surface treatment, and the air holes are formed in the mounting plate, the problem that the efficiency of the heat conduction of the mounting plate to the radiator is low is effectively solved, the heat conduction capability is effectively improved, and the heat dissipation efficiency is high.

3. Owing to adopted latch device to go into the casing with the mounting panel card and make first inclined plane hug closely the second inclined plane in, so, effectively solved and be connected unstablely between casing and the mounting panel to lead to the problem of the heat transfer efficiency step-down between mounting panel and the casing, and then realized hugging closely the mounting panel with the casing, heat transfer efficiency is high.

4. Owing to adopted and to have installed the integrated circuit board through the shell fragment in the shell, so, effectively solved and connected the unstability between shell and the mounting panel to lead to the problem of the heat transfer efficiency step-down between mounting panel and the shell, and then realized hugging closely the mounting panel with the shell, heat transfer efficiency is high.

5. The elastic sheet is in an inverted buckle shape, so that the elastic sheet is installed on the installation plate firstly, and then the elastic sheet is directly assembled to clamp the elastic sheet into the shell in an interference fit manner, so that the problem that the installation plate is difficult to control when being installed into the shell is effectively solved, and the installation of the installation plate into the shell is easily realized.

6. Owing to adopted when the second fixture block that slides, first thorn is gone into to second thorn card for the installation integrated circuit board is in the shell, so, effectively solved and connected unstablely between shell and the mounting panel, thereby lead to the problem of the heat transfer efficiency step-down between mounting panel and the shell, and then realized hugging closely the mounting panel with the shell, heat transfer efficiency is high.

7. As the second sliding grooves are arranged towards the direction away from the mounting plate, and the first thorns are arranged along the second sliding grooves, the problem that the mounting plate cannot be fixed by a group of first thorns is effectively solved, and the position of the second thorns on the first thorns is adjusted according to the position of the mounting plate, so that the position of the mounting plate is fixed.

8. Owing to adopted the sliding block to slide in the fourth sliding tray and the fourth sliding tray orientation is kept away from the direction setting of first fixture block, so, effectively solved when removing the sliding block for the sliding block moves to the direction of keeping away from first fixture block all the time, and then has realized making the second thorn move towards first thorn orientation, makes closely laminating between mounting panel and the shell.

9. Due to the fact that the guide rod and the elastic piece are arranged between the second clamping block and the third clamping block, the third clamping block is fixedly connected with the guide rod, the guide rod is inserted into the second clamping block, and the elastic piece is sleeved on the guide rod, the problem that the second thorn cannot be completely fixed in the shell when moving towards the first thorn is solved, and the mounting plate is fixed on the shell by the elastic piece and always towards the shell.

10. Owing to adopted latch device to be provided with a plurality ofly, so, effectively solved and connected unstable problem between shell and the mounting panel, and then realized hugging closely the mounting panel with the shell, heat transmission efficiency is high.

Drawings

Fig. 1 is an illustration of an explosion structure of a first embodiment of a heat sink structure for a barrel-shaped spot light of the present invention.

Fig. 2 is a bottom view of the first embodiment of the heat sink structure for a tubular spotlight of the present invention.

Fig. 3 is a cross-sectional view a of fig. 2.

Fig. 4 is a schematic structural diagram of a clamping device, a housing, a mounting plate and a heat dissipation device according to a second embodiment of the present invention.

Fig. 5 is a partially enlarged view of B in fig. 5.

Fig. 6 is a schematic structural view of a mounting plate and a clamping device according to a second embodiment of the present invention.

In the figure: 1. a light fixture; 2. mounting a plate; 21. a first inclined plane; 22. air holes are formed; 23. a third sliding groove; 24. a fourth sliding groove; 3. a heat sink; 4. a housing; 41. a second inclined plane; 42. a second sliding groove; 43. a first sliding groove; 5. a cavity; 6. a clamping device; 61. a spring plate; 62. a bolt; 63. a first clamping block; 64. a third fixture block; 65. a second fixture block; 651. a slider; 66. a first spine; 67. a second spine; 68. a guide bar; 69. an elastic member; 7. and a lampshade.

Detailed Description

The embodiment of the application provides a cylindric shot-light radiator structure, and it is slow to have solved prior art medium heat dissipation rate, leads to the overheated damage of down lamp, and when putting into casing 4 with lamps and lanterns 1, the unfixed problem in casing 4 position of lamps and lanterns 1 simultaneously.

In order to solve the above problems, the general idea of the embodiment of the present application is as follows

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

The first embodiment:

fig. 1 is an illustration of an explosion structure of a first embodiment of a cylindrical spotlight radiator structure according to the present invention. Fig. 2 is a top view of the first embodiment of a cylindrical spotlight heat sink structure of the present invention.

Fig. 3 is a cross-sectional view a of fig. 2. As shown in fig. 1, 2 and 3, the present invention discloses a cylindrical spotlight radiator structure. The direction of Y in the figure does the utility model discloses structural schematic's right-hand member, and the direction of X in the figure does the utility model discloses structural schematic's upper end.

A cylindrical spotlight radiator structure comprises a lamp 1, a mounting plate 2 for mounting the lamp 1, a radiator 3 for radiating the lamp 1 and a shell 4 for supporting the mounting plate 2; the mounting plate 2 is arranged in the shell 4; the outer side wall of the mounting plate 2 is contacted with the inner side wall of the shell 4; the mounting plate 2 divides the interior of the shell 4 into a cavity 5; the lamp 1 is arranged at one end of the mounting plate 2; the radiator 3 is arranged at the other end of the mounting plate 2; the two side cavities 5 are communicated with each other.

The mounting plate 2 is open at the top. The lamp 1 is fixedly connected in the top opening of the mounting plate 2. The mounting plate 2 absorbs heat generated by the luminaire 1. The upper part of the lamp 1 is also provided with a lampshade 7, and the light source is more concentrated through the lampshade 7. The radiator 3 is placed from top to bottom, the upper end face of the radiator 3 is fixedly connected with the lower end face of the mounting plate 2, and heat of the mounting plate 2 is quickly dissipated through the radiator 3. The side of the mounting plate 2 abuts the inner side of the housing 4 so that heat from the mounting plate 2 is conducted to the housing 4 at the same time. The mounting plate 2 separates the inner side space of the shell 4 into two groups of cavities 5, so that the cavities 5 on the two sides are in air circulation, and the heat dissipation efficiency is higher.

When starting lamps and lanterns 1, lamps and lanterns 1 produce on heat conduction to mounting panel 2, through mounting panel 2 with heat transfer to shell 4 and radiator 3 on, both sides cavity 5 communicates with each other, gets into the cavity 5 of both sides respectively with the heat in for radiating process has been accelerated, makes and to give off the heat rapidly.

Because the lamp 1 is arranged on one side of the mounting plate 2, the radiator 3 is arranged on the other side of the mounting plate 2, the side wall of the mounting plate 2 is in contact with the inner side wall of the shell 4, and the cavities 5 on the two sides are communicated with each other, the problem that the down lamp is damaged due to overheating due to low radiating speed is effectively solved, and meanwhile, when the lamp 1 is arranged in the shell 4, the lamp 1 is not fixed in the shell 4, so that the lamp 1 is radiated, and meanwhile, the radiating efficiency is high.

The side wall of the mounting plate 2 is provided with a first inclined plane 21 and air holes 22 for increasing the air exchange capacity of the cavities 5 at two sides; a second inclined surface 41 is arranged in the shell 4; the first inclined surface 21 is in contact with the second inclined surface 41; the ventilation holes 22 are arrayed several times along the mounting plate 2.

The mounting plate 2 is provided with a first inclined surface 21 which expands outwardly. A second inclined surface 41 which tapers inwardly is provided in the housing 4. The first inclined surface 21 is in full contact with the second inclined surface 41. The first inclined surface 21 and the second inclined surface 41 are subjected to high-precision surface processing. The contact area is increased, so that the heat dissipation efficiency is effectively accelerated. Preferably, the angle of the first inclined surface 21 ranges from 5 ° to 15 °, so that the heat dissipation efficiency is the highest. The mounting plate 2 is provided with a plurality of air holes 22 which are communicated up and down, and the air holes 22 are evenly arrayed on the circumference.

Because the first inclined plane 21 and the second inclined plane 41 contact and the first inclined plane 21 and the second inclined plane 41 surface are adopted to carry out high-precision surface treatment, the air holes 22 are formed in the mounting plate 2, the problem that the heat conduction of the mounting plate 2 to the radiator 3 is low in efficiency is effectively solved, the heat conduction capacity is effectively improved, and the heat dissipation efficiency is high.

The mounting plate 2 is provided with a clamping device 6 which fixedly connects the mounting plate 2 in the shell 4; the clamping device 6 clamps the side wall of the shell 4.

The lower surface of the mounting plate 2 is provided with a snap-in device 6. The mounting plate 2 is fixed in the housing 4 by the latch 6 so that the first inclined surface 21 completely contacts the second inclined surface 41, thereby maximizing heat dissipation efficiency.

Owing to adopted 6 cards of latch device to go into in the shell 4 and made first inclined plane 21 hug closely second inclined plane 41, so, effectively solved and be connected unstablely between shell 4 and the mounting panel 2 to lead to the problem of the heat transfer efficiency step-down between mounting panel 2 and the shell 4, and then realized hugging closely mounting panel 2 with shell 4, heat transfer efficiency is high.

The clamping device 6 comprises an elastic sheet 61 for limiting the position of the mounting plate 2 and a bolt 62 for fixing the elastic sheet 61; the elastic sheet 61 clamps the inner side wall of the shell 4; the bolt 62 is inserted through the spring plate 61 and is screwed to the mounting plate 2.

The elastic sheet 61 is in a reverse buckle shape.

The upper surface of the spring 61 engages the lower surface of the mounting plate 2. The reverse direction of the elastic sheet 61 faces the inner side wall of the housing 4. The stud of the bolt 62 is arranged on the surface of the elastic sheet 61 attached to the mounting plate 2 in a penetrating way and is connected to the mounting plate 2 in a threaded way. The bolt 62 presses the spring 61 so that the spring 61 is fixed to the mounting plate 2.

Owing to adopted and blocked mounting panel 2 in shell 4 through shell fragment 61, so, effectively solved and be connected the unstability between shell 4 and the mounting panel 2 to lead to the problem of the heat transfer efficiency step-down between mounting panel 2 and the shell 4, and then realized hugging closely mounting panel 2 with shell 4, heat transfer efficiency is high.

Owing to adopted shell fragment 61 to be the back-off form to install shell fragment 61 to mounting panel 2 earlier, assemble mounting panel 2 afterwards, make shell fragment 61 interference fit until the card go into in the shell 4, so, effectively solved mounting panel 2 and installed difficult to control to the shell 4 in, and then realized that mounting panel 2 installs easily to the shell 4 in.

The snap means 6 are provided in several along the mounting plate 2.

Three groups of clamping devices 6 are arrayed in a circle, so that the mounting plate 2 is connected in the shell 4 more stably.

Because the clamping device 6 is adopted, the problem of unstable connection between the shell 4 and the mounting plate 2 is effectively solved, the shell 4 is tightly attached to the mounting plate 2, and the heat transmission efficiency is high.

The second embodiment:

fig. 4 shows a schematic structural diagram of a clamping device, a housing, a mounting plate and a heat dissipation device according to a second embodiment of the present invention. Fig. 5 shows a partially enlarged view of B in fig. 5. Fig. 6 shows a schematic structural diagram of a mounting plate and a clamping device according to a second embodiment of the present invention. As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the second embodiment is different from the first embodiment in that:

the clamping device 6 comprises a first clamping block 63 for limiting the position of the mounting plate 2, a third clamping block 64 arranged on the first clamping block 63, a second clamping block 65 for moving the position of the first clamping block 63 and a first spine 66 for clamping the first clamping block 63; the third latch 64 is arranged on the second latch 65; the second fixture block 65 is movably connected to the mounting plate 2; the first barbs 66 are disposed within the housing 4; the first fixture block 63 is provided with a second thorn 67; the second barbs 67 are directed toward the first barbs 66 and snap into the first barbs 66.

The end surface of the first block 63 facing the third block 64 is fixedly connected with the third block 64. The upper surface of the first block 63 is fixedly connected with a second spine 67. The second spine 67 is hollow inside so that it has some deformation when assembled. The third latch 64 is slidably disposed on a lower surface of the second latch 65. The second latch 65 rotates around the mounting plate 2. A first barb 66 is disposed within the housing 4. The second barbs 67 face the first barbs 66. When assembled, the first barbs 66 engage the sides of the second barbs 67.

Owing to adopted when slip second fixture block 65, first thorn 66 is gone into to second thorn 67 card for the mounting panel 2 card is in shell 4, so, has effectively solved and has connected unstablely between shell 4 and the mounting panel 2, thereby leads to the problem of the heat transfer efficiency step-down between mounting panel 2 and the shell 4, and then has realized hugging closely mounting panel 2 with shell 4, and heat transfer efficiency is high.

A second sliding groove 42 fixedly connected with the first thorn 66 and a first sliding groove 43 communicated with the second sliding groove 42 are arranged in the shell 4; the first sliding groove 43 has a first latch 63 sliding thereon; the second sliding groove 42 is arranged in the direction far away from the mounting plate 2; the first thorns 66 are arrayed along the second sliding groove 42.

The housing 4 is provided with a second sliding groove 42 and a first sliding groove 43. The first sliding groove 43 is opened up and down, and the lower end of the first sliding groove 43 is communicated with the second sliding groove 42. The second slide groove 42 is opened along the inner side wall of the housing 4. The first latch 63 slides along the first slide groove 43 into the second slide groove 42. One end of the second sliding groove 42 away from the first latch 63 is opened downward. The first thorns 66 are arrayed along the direction of the second sliding groove 42, and the directions of the first thorns 66 are all towards the center of the circle.

Due to the fact that the second sliding grooves 42 are formed in the direction away from the mounting plate 2, and the first thorns 66 are arrayed along the second sliding grooves 42, the problem that the mounting plate 2 cannot be fixed through a group of first thorns 66 is effectively solved, the position of the second thorns 67 on the first thorns 66 is adjusted according to the position of the mounting plate 2, and therefore the position of the mounting plate 2 is fixed.

A third sliding groove 23 for sliding the second fixture block 65 is formed in the mounting plate 2; fourth sliding grooves 24 for guiding the sliding direction of the second latch 65 are formed on both sides of the third sliding groove 23; sliding blocks 651 are arranged on two sides of the second clamping block 65; the slide block 651 slides in the fourth slide groove 24; the fourth slide groove 24 is disposed toward a direction away from the first latch 63.

Both sides of the second latch 65 are in contact with both sides of the third sliding groove 23 and are slidably disposed in the third sliding groove 23. Both sides of the third sliding groove 23 are provided with fourth sliding grooves 24. One end of the fourth sliding groove 24 facing the second spine 67 is opened upward. Sliding blocks 651 corresponding to the fourth sliding grooves 24 are provided on both sides of the second latch 65. The second latch 65 slides along the opening direction of the fourth slide groove 24.

Because the sliding block 651 is adopted to slide in the fourth sliding groove 24, and the fourth sliding groove 24 faces the direction away from the first fixture block 63, the problem that the sliding block 651 always moves in the direction away from the first fixture block 63 when the sliding block 651 is moved is effectively solved, and then the second thorns 67 move in the direction towards the first thorns 66, so that the mounting plate 2 and the housing 4 are tightly attached to each other is further realized.

A guide rod 68 for guiding the third latch 64 and an elastic member 69 for pressing the third latch 64 are arranged between the second latch 65 and the third latch 64; the guide rod 68 is fixedly connected to the third latch 64; the guide rod 68 is inserted into the second latch 65; the guide rod 68 is sleeved with an elastic member 69.

A guide rod 68 is fixedly connected to the upper surface of the third latch 64. The guide rod 68 is inserted into the second latch 65, and the third latch 64 slides up and down in the direction of the guide rod 68. The guide rod 68 is sleeved with an elastic member 69. The upper end of the elastic member 69 is fixedly connected to the second latch 65. The lower end of the elastic member 69 is fixedly connected to the third block 64. Preferably, the elastic member 69 is a spring. The elastic member 69 always pulls the third latch 64 toward the second latch 65.

When the second spine 67 is moved toward the first spine 66, the second spine 67 is moved toward the lamp 1 until the second spine 67 touches the first spine 66, the third latch 64 is moved away from the second latch 65 by the elasticity of the elastic member 69 until the elastic member 69 cannot move the third latch 64 in Zhang Kaiju, and at this time, the second spine 67 is deformed, so that the second spine 67 is moved toward the first spine 66 again until the second spine 67 catches the first spine 66 at the limit position. At this time, the side surface of the mounting plate 2 is tightly attached to the inner side surface of the housing 4 by the spring tension of the mounting plate 2.

Because the guide rod 68 and the elastic element 69 are arranged between the second fixture block 65 and the third fixture block 64, the third fixture block 64 is fixedly connected with the guide rod 68, the guide rod 68 is inserted into the second fixture block 65, and the elastic element 69 is sleeved on the guide rod 68, no margin exists when the second spine 67 moves towards the first spine 66, so that the mounting plate 2 cannot be completely fixed in the shell 4, and the mounting plate 2 is always pressed towards the shell 4 through the elastic element 69, and the mounting plate 2 is completely fixed on the shell 4.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A cylindrical spotlight radiator structure is characterized by comprising a lamp, a mounting plate for mounting the lamp, a radiator for radiating the lamp and a shell for supporting the mounting plate; the mounting plate is disposed within the housing and the mounting plate contacts the housing; the mounting plate separates the inside of the shell into cavities; the lamp is arranged at one end of the mounting plate; the radiator is arranged at the other end of the mounting plate; the cavities on the two sides of the shell are communicated with each other.

2. The cylindrical spotlight radiator structure of claim 1, wherein the mounting plate is provided with a first inclined surface and air holes for increasing the air exchange capacity of the cavity at both sides; a second inclined plane is arranged in the shell; the first inclined surface is in contact with the second inclined surface; the air holes are arrayed along the mounting plate.

3. The cylindrical spotlight heat sink structure of claim 1, wherein the mounting plate is provided with a snap-fit means for fixedly attaching the mounting plate within the housing; the clamping device clamps the side wall of the shell.

4. The cylindrical spotlight heat sink structure of claim 3, wherein the snap-fit means comprises a spring plate for limiting the position of the mounting plate and a bolt for fixing the spring plate; the elastic sheet clamps the inner side wall of the shell; the bolt penetrates through the elastic sheet and is in threaded connection with the mounting plate.

5. The cylindrical spotlight heat sink structure of claim 4, wherein the resilient tabs are inverted.

6. The heat sink structure of claim 3, wherein said engaging means comprises a first engaging member for limiting the position of said mounting plate, a third engaging member disposed on said first engaging member, a second engaging member for moving the position of said first engaging member, and a first ratchet for engaging said first engaging member; the third clamping block is arranged on the second clamping block; the second clamping block is movably connected to the mounting plate; the first spine is disposed within the housing; a second spine is arranged on the side surface of the first fixture block facing the first spine; the second thorn faces the first thorn and is clamped into the first thorn at the same time.

7. The heat sink structure for a tubular projection lamp as claimed in claim 6, wherein the housing has a second sliding groove and a first sliding groove communicating with the second sliding groove; the first clamping block slides in the first sliding groove; the second sliding groove is formed in the direction far away from the mounting plate; the first thorns are arrayed along the direction of the second sliding groove.

8. The cylindrical spotlight radiator structure of claim 7, wherein the mounting plate is provided with a third sliding groove for sliding the second latch; fourth sliding grooves for guiding the sliding direction of the second fixture block are formed in two sides of the third sliding groove; sliding blocks are arranged on two sides of the second clamping block; the sliding block slides in the fourth sliding groove; the fourth sliding groove is arranged towards the direction far away from the first clamping block.

9. The tubular spotlight heat sink structure of claim 8, wherein the third latch is provided with a guide rod for guiding the third latch and an elastic member for pressing the third latch; the guide rod is fixedly connected to the third fixture block; the guide rod is inserted into the second clamping block; the elastic piece is sleeved on the guide rod.

10. A barrel shaped spot light radiator structure as claimed in claim 4 or 6 wherein said clip means is provided in a plurality along said mounting plate.