CN212252167U

CN212252167U - Lighting lamp

Info

Publication number: CN212252167U
Application number: CN202020537955.1U
Authority: CN
Inventors: 傅明燕; 陈小波; 曹亮亮
Original assignee: Zhangzhou Leedarson Lighting Co Ltd
Current assignee: Zhangzhou Leedarson Lighting Co Ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-29
Anticipated expiration: 2030-04-13

Abstract

The utility model provides a lighting lamp, belonging to the field of lighting equipment, comprising a lamp holder component, a heat radiation component and a lighting component; the plurality of radiating assemblies are respectively connected with the lamp cap assembly, and the illuminating assembly is arranged on the radiating assemblies; the heat dissipation assembly comprises a heat pipe and a first heat dissipation fin; the plurality of first radiating fins are connected to the heat pipe, and the lighting assembly is attached to the side edges of the first radiating fins; the first radiating fins in the adjacent radiating assemblies are parallel to each other, the first radiating fins in the adjacent radiating assemblies are alternately distributed at intervals along the first path, and the edges of the first radiating fins in the adjacent radiating assemblies are overlapped with each other. The utility model provides a light utensil is guaranteeing under the prerequisite of radiating effect, has reduced the volume of illumination lamps and lanterns at to a great extent, has enlarged the design application range of high-power LED lamps and lanterns.

Description

Lighting lamp

Technical Field

The utility model belongs to the technical field of the lighting apparatus, more specifically say, relate to an illumination lamps and lanterns.

Background

The high-power LED is one of the main development trends in the lighting field at present, but due to the improvement of power, the requirement of the lighting fixture on the heat dissipation performance of the heat dissipation device is also higher and higher. In order to obtain a better heat dissipation effect, the heat dissipation device is often designed to have a larger volume, in the replaceable lighting lamp, the overall volume of the lighting lamp influences the design of the lamp, and if the volume of the heat dissipation device is too large, the overall volume of the lighting lamp is larger, which is one of the factors restricting the development of the high-power replaceable lamp at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an illumination lamp, the design that aims at solving existence among the prior art and leads to illumination lamp because of the heat dissipation device is bulky uses the technical problem who receives the restriction.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a lighting fixture comprising:

a lamp head assembly;

the heat dissipation assembly is provided with a plurality of heat dissipation assemblies, and is respectively connected with the lamp cap assembly: and

the lighting assembly is arranged on the heat dissipation assembly;

the heat dissipation assembly includes:

a heat pipe; and

the first radiating fins are connected to the heat pipe, and the lighting assembly is attached to the side edges of the first radiating fins;

the first radiating fins in the adjacent radiating assemblies are parallel to each other, the first radiating fins in the adjacent radiating assemblies are alternately distributed at intervals along a first path, and the edges of the first radiating fins in the adjacent radiating assemblies are overlapped with each other.

As another embodiment of the present application, a first bending plate for being attached to the sidewall of the heat pipe is disposed on the first heat sink.

As another embodiment of this application, it is adjacent heat pipe among the radiator unit is parallel to each other, first route is on a parallel with the axial of heat pipe, lighting lamp still including set firmly in connecting axle on the lamp holder subassembly, every radiator unit all be equipped with on the first radiator fin be used for with the connecting axle complex connecting hole of pegging graft, the connecting axle is on a parallel with the heat pipe sets up.

As another embodiment of the present application, the heat dissipation assembly further includes a second heat dissipation plate, the first heat dissipation plate is located between the lamp cap assembly and the second heat dissipation plate, the second heat dissipation plates are connected to the heat pipe, the second heat dissipation plates are arranged in parallel to the first heat dissipation plate, the second heat dissipation plates in adjacent heat dissipation assemblies are alternately distributed at intervals along the first path, and edges of the second heat dissipation plates in adjacent heat dissipation assemblies are overlapped with each other; and each second heat dissipation sheet of each heat dissipation assembly is provided with a connecting hole which is used for being matched with the connecting shaft in an inserting manner.

As another embodiment of the present application, each of the heat dissipation assemblies has a notch on the first heat dissipation plate and the second heat dissipation plate, the notches in the same heat dissipation assembly correspond to each other, and the adjacent notches on the heat dissipation assemblies are butted with each other to form a through hole structure between the heat dissipation assemblies.

As another embodiment of the present application, the first heat sink edge is provided with a flat cut edge, and the opening of the notch extends to the flat cut edge.

As another embodiment of the present application, in the same heat dissipation assembly, the adjacent first heat dissipation fins are detachably connected, the adjacent second heat dissipation fins are detachably connected, and the adjacent first heat dissipation fins and the adjacent second heat dissipation fins are detachably connected.

As another embodiment of this application, first fin with the equal vertically in edge of second fin is equipped with first joint board, the root of first joint board is equipped with the opening and extends to the first joint mouth at first joint board root edge, it is protruding that the joint has set firmly in the first joint mouth, the joint protruding with the inner wall interval of first joint mouth sets up, the free end of first joint board still is equipped with the second joint board, the second joint board with the junction of first joint board is equipped with the second joint mouth, the second joint board is used for the joint in adjacent in the first joint mouth, the joint arch is used for the joint in adjacent in the second joint mouth.

As another embodiment of the present application, one of the heat dissipation assemblies further includes a third heat dissipation fin, the third heat dissipation fin is connected to the end of the heat pipe, and the third heat dissipation fin is provided with a connection hole for inserting and matching with the connection shaft.

As another embodiment of the present application, the edge of the first heat dissipation plate is provided with a second bending plate for being attached to the lighting assembly.

The utility model provides a lighting lamp's beneficial effect lies in: compared with the prior art, the lighting lamp of the utility model has the advantages that each heat dissipation component can be connected with the lighting component, namely more lighting components can be accommodated on the same lighting lamp, and the lighting power of the lamp is improved; because each radiating component adopts the heat pipe and the first radiating fin for auxiliary radiating, the effective radiating area is increased, and the first radiating fin has thin wall and light weight; the first fin of adjacent radiator unit distributes in turn and the mutual overlap in edge between, the clearance structure that the overlapping distribution position constitutes has also formed the air flue that has the guide effect, this air flue structure can increase the air current, and then promotes the radiating effect, and simultaneously, the space that radiator unit took after the assembly is also effectively dwindled to this kind of crisscross structure that distributes, under the prerequisite of guaranteeing the radiating effect, the volume of illumination lamps and lanterns has been reduced to a great extent, the design application range of high-power LED lamps and lanterns has been enlarged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a lighting fixture according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a lighting fixture according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a heat dissipation principle of a lighting fixture according to an embodiment of the present invention;

FIG. 4 is a right side view of the assembled structure of the connecting shaft and the heat dissipating assembly of FIG. 3;

fig. 5 is a schematic perspective view of one of the heat dissipation assemblies according to the embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

fig. 7 is a first exploded view of an illumination lamp according to an embodiment of the present invention;

fig. 8 is a second exploded view of the lighting fixture according to the embodiment of the present invention;

fig. 9 is a schematic perspective view of a first heat sink according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a second heat sink according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of a second heat sink according to an embodiment of the present invention;

fig. 12 is a schematic perspective view of a third heat sink according to an embodiment of the present invention.

In the figure: 1. a lamp head assembly; 101. a lamp cap; 102. a sleeve; 103. a driver; 104. an end cap; 2. a heat dissipating component; 201. a heat pipe; 202. a first heat sink; 203. a first bending plate; 204. connecting holes; 205. a limiting hole; 206. a notch; 207. flat trimming; 208. a second bending plate; 209. a second heat sink; 210. a third bending plate; 211. a third heat sink; 212. a fourth bending plate; 3. a lighting assembly; 301. a substrate; 302. a light source plate; 303. a bulb shell; 4. a connecting shaft; 5. a convex strip; 6. a first clamping connection plate; 7. a first card interface; 8. clamping the bulges; 9. a second clamping plate; 10. and a second card interface.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, fig. 7 and fig. 8, the lighting device of the present invention will now be described. The lighting lamp comprises a lamp holder assembly 1, a heat dissipation assembly 2 and a lighting assembly 3; the heat dissipation assemblies 2 are provided with a plurality of heat dissipation assemblies and are respectively connected with the lamp cap assembly 1, and the lighting assembly 3 is arranged on the heat dissipation assemblies 2.

The heat dissipation assembly 2 includes a heat pipe 201 and a first heat sink 202; a plurality of first heat sinks 202 are connected to the heat pipe 201, and the lighting assembly 3 is attached to the side edge of the first heat sinks 202; the first fins 202 of the adjacent heat dissipation assemblies 2 are parallel to each other, the first fins 202 of the adjacent heat dissipation assemblies 2 are alternately spaced along the first path, and edges of the first fins 202 of the adjacent heat dissipation assemblies 2 overlap each other.

The utility model provides a lighting lamp, all connectable lighting assembly 3 on every radiator unit 2, the heat that lighting assembly 3 produced absorbs through the first fin 202 with 3 direct contact of lighting assembly, and the back is through being absorbed by heat pipe 201, through the transmission diffusion of heat pipe 201, and thermal conduction has all been participated in to all fins in same radiator unit 2, takes place the heat exchange with the air afterwards, reaches the heat dissipation purpose.

Compared with the prior art, more lighting assemblies 3 can be accommodated on the same lighting lamp, the lighting power of the lamp is improved, each heat dissipation assembly 2 adopts the heat pipe 201 and the first heat dissipation fin 202 for auxiliary heat dissipation, the effective heat dissipation area is increased, and the first heat dissipation fin 202 is thin in wall and light in weight; the first fin 202 of adjacent radiator unit 2 distributes in turn and the mutual overlap in edge, the clearance structure that the overlapping distribution position constitutes has also formed the air flue that has the guide effect, this air flue structure can increase the air current, and then promote the radiating effect, and simultaneously, the space that radiator unit took after the assembly is also effectively reduced to this kind of crisscross structure that distributes, under the prerequisite of guaranteeing the radiating effect, the volume of illumination lamps and lanterns has been reduced to a great extent, the design application range of high-power LED lamps and lanterns has been enlarged.

The utility model discloses an illumination lamps and lanterns can replace traditional helium lamp because of its small and exquisite and the good characteristic of heat dispersion, use as energy-conserving street lamp, garden lamp etc..

It should be noted that, in the usage of the lighting fixture of the present embodiment, the plate surface of the first heat sink 202 may be parallel to the vertical direction, when in use, the cold air below the first heat sink 202 can quickly rise into the gaps between the first heat sinks 202 of the same heat sink assembly and the gaps formed by the adjacent heat sink assemblies 2 in a staggered manner, and the air quickly rises after absorbing the heat of the first heat sink 202 and the heat pipe 201, and the hot air is taken out, so as to form a quick and effective air heat exchange manner.

In the usage of the lighting fixture of the present embodiment, the lighting direction of the lighting assembly 3 may be downward or sideways, and is set according to the actual usage requirement.

The heat pipe 201 is a hollow pipe, a certain amount of heat exchange liquid which is not filled in the inner cavity is arranged in the inner cavity, the heat exchange liquid is initially in a liquid state and gathers at one end, after the heat pipe 201 absorbs a certain amount of heat, the heat exchange liquid is evaporated into a gas state and moves towards the other end, and the heat is absorbed by air or the first cooling fin 202 in the moving process, gradually condensed into the liquid state and returns to the initial end. The heat pipe 201 has high heat conduction efficiency, the heat pipe is matched with the first radiating fin 202 to increase the heat transfer area, and meanwhile, the heat pipe is small and compact in size and convenient for the miniaturization design of the lamp.

Referring to fig. 9 and 10, a first bending plate 203 for adhering to the sidewall of the heat pipe 201 is disposed on the first heat sink 202. The effective contact area between the first heat sink 202 and the heat pipe 201 is increased by the first bending plate 203, so that heat exchange can be rapidly performed between the first heat sink 201 and the heat pipe 201, the heat conduction efficiency is effectively improved, and the heat dissipation efficiency is further improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 to fig. 4, fig. 7 and fig. 8, the heat pipes 201 in the adjacent heat dissipation assemblies 2 are parallel to each other, the first path is parallel to the axial direction of the heat pipes 201, the lighting fixture further includes a connecting shaft 4 fixedly disposed on the lamp head assembly 1, the first heat dissipation plate 202 of each heat dissipation assembly 2 is provided with a connecting hole 204 for being inserted and matched with the connecting shaft 4, and the connecting shaft 4 is parallel to the heat pipes 201.

In the assembling process, the first radiating fins 202 of different radiating assemblies 2 are sleeved on the connecting shaft 4 one by one alternately, and then the heat pipes 201 are connected with the first radiating fins 202 respectively, so that the heat pipes 201 and the connecting shaft 4 are arranged in parallel, the assembling structure is simplified to a great extent, and the assembling difficulty is reduced; moreover, different heat dissipation assemblies 2 are connected with the lamp cap assembly 1 through the connecting shaft 4, the distribution structures of the heat dissipation assemblies 2 and the lamp cap assembly 1 are more compact and reasonable, the wiring is easier, and the lighting assembly 3 is also easier to arrange.

In this embodiment, two ends of the connecting shaft 4 may be respectively provided with a positioning screw hole, one end of the connecting shaft 4 is inserted into the lamp holder assembly 1 and fixed by a positioning screw at the inserted end, and the other end of the connecting shaft 4 is substantially flush with the outermost heat sink and fixed by a positioning screw.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 5, 7, 8 and 11, the heat dissipation assembly 2 further includes a second heat dissipation plate 209, the first heat dissipation plate 202 is located between the lamp cap assembly 1 and the second heat dissipation plate 209, the second heat dissipation plates 209 are connected to the heat pipe 201, the second heat dissipation plates 209 are disposed parallel to the first heat dissipation plates 202, the second heat dissipation plates 209 in adjacent heat dissipation assemblies 2 are alternately distributed at intervals along the first path, and edges of the second heat dissipation plates 209 in adjacent heat dissipation assemblies 2 are overlapped with each other; the second heat sink 209 of each heat dissipation assembly 2 is provided with a connection hole 204 for inserting and matching with the connection shaft 4.

The second heat sink 209 is not directly connected to the lighting assembly 3, and absorbs heat transferred from the heat pipe 201, so as to further increase the effective contact area between the heat sink assembly 2 and the air, and accelerate the heat conduction efficiency between the heat pipe 201 and the heat sink; and, the clearance structure that its overlap distribution position constitutes has also formed the air flue that has the guide effect, and this air flue structure can increase the air current, and then promotes the radiating effect, and simultaneously, the space that radiator unit 2 took after the assembly also effectively is dwindled to this kind of crisscross structure that distributes. In addition, the assembling manner and the assembling structure between the second heat sink 209 and the connecting shaft 4 and the heat pipe 201 are similar to those of the first heat sink 202, and are not described herein again.

Referring to fig. 11, a third bending plate 210 for adhering to the sidewall of the heat pipe 201 is disposed on the second heat sink 209 as a specific implementation manner of the embodiment of the present invention. The third bending plate 210 increases the effective contact area between the second heat sink 209 and the heat pipe 201, so that heat exchange can be rapidly performed between the second heat sink 209 and the heat pipe 201, thereby effectively improving heat conduction efficiency and further improving heat dissipation efficiency.

As a specific implementation manner of the embodiment of the present invention, refer to fig. 4, be equipped with sand grip 5 on the outer wall of connecting axle 4, sand grip 5 is on a parallel with connecting axle 4 and sets up, and the outside of connecting hole 204 is equipped with and communicates with connecting hole 204 and is used for holding spacing hole 205 of sand grip 5, and sand grip 5 is used for sliding in spacing hole 205 along with the rotation of connecting axle 4.

Connecting axle 4 and lamp holder subassembly 1 between relatively fixed, but can take place rotatoryly between heat dissipation component 2 and the connecting axle 4, and then can be in the illumination angle of adjusting lighting assembly 3, owing to spacing hole 205 and the cooperation of sand grip 5, limited the angle that heat dissipation component 2 can rotate, and then lighting assembly 3 shines the regulation scope of angle and also is injectd, prevents that heat dissipation component 2 from rotating excessively to damage the electrically conductive connection structure between lighting assembly 3 and the lamp holder subassembly 1.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4, fig. 5, and fig. 7 to fig. 11, notches 206 are disposed on the first heat sink 202 and the second heat sink 209 of each heat dissipation assembly 2, the positions of the notches 206 on the adjacent heat dissipation assemblies 2 correspond to each other, and the notches 206 on the adjacent heat dissipation assemblies 2 are butted with each other to form a through hole structure between the heat dissipation assemblies 2.

The through-hole structure is located the fin middle part for during cold air gets into and rises certain distance and enters into comparatively broad through-hole structure after from the clearance between the fin, and then can circulate to both sides through-hole structure, promote that the air is horizontal to circulate between each fin, improve the radiating effect.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4, 5, and 7 to 10, the edge of the first heat sink 202 is provided with a flat cut edge 207, and the opening of the notch 206 extends to the flat cut edge 207.

The flat cut edge 207 on different radiator unit 2 cooperates and forms the V-arrangement breach, plays the vortex effect to the hot-air that upper portion flows out, can slow the gas stream, and the contact time of extension air and heating panel for radiator unit can go on more abundant with the heat exchange of air.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 5, 9 and 10, the edge of the first heat sink 202 is provided with a second bending plate 208 for attaching to the lighting assembly 3. The arrangement of the second bending plate 208 fully utilizes the limited space between the first heat dissipation fins 202, increases the contact area between the first heat dissipation fins 202 and the lighting assembly 3 to the maximum extent, and effectively improves the heat absorption efficiency of the first heat dissipation fins 202 to the lighting assembly 3.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, 7 and 8, the lighting assembly 3 includes a substrate 301, a light source plate 302 and a bulb shell 303; the substrate 301 is attached to the second bending plate 208, the light source plate 302 is attached to the substrate 301, and the blister 303 covers the light source plate 302. The substrate 301 is an aluminum substrate, which is light and fast in heat transfer, and can quickly transfer heat dissipated by the light source board to the first heat sink 202. The light source board 302 includes a circuit board, an LED chip disposed on the circuit board, and a lens disposed on a light emitting surface of the LED chip.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 11, in the same heat dissipation assembly 2, the adjacent first heat dissipation fins 202 are detachably connected, the adjacent second heat dissipation fins 209 are detachably connected, and the adjacent first heat dissipation fins 202 and the adjacent second heat dissipation fins 209 are detachably connected.

According to the heat dissipation requirements of the lighting assemblies 3 with different powers, the heat pipes 201 with different lengths can be selected to be connected with the first heat dissipation fins 202 and the second heat dissipation fins 209 with different quantities, and the heat dissipation assemblies 2 are reasonably matched and selected, so that the size change of the heat dissipation assemblies 2 is more flexible, the heat dissipation effects are also diversified, and the use cost of the heat dissipation assemblies 2 is lower.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 6 and fig. 9 to 11, the edges of the first heat sink 202 and the second heat sink 209 are all vertically provided with the first clamping plate 6, the root of the first clamping plate 6 is provided with the first clamping interface 7 with an opening extending to the root edge of the first clamping plate 6, the first clamping interface 7 is internally and fixedly provided with the clamping protrusion 8, the clamping protrusion 8 is arranged at an interval with the inner wall of the first clamping interface 7, the free end of the first clamping plate 6 is further provided with the second clamping plate 9, the joint of the second clamping plate 9 and the first clamping plate 6 is provided with the second clamping interface 10, the second clamping plate 9 is used for being clamped in the adjacent first clamping interface 7, and the clamping protrusion 8 is used for being clamped in the adjacent second clamping interface 10.

According to aforementioned radiator unit 2's assembling process, different radiator unit 2's fin suit is on connecting axle 4 one by one in turn, the fin that just assembles with connecting axle 4 in same radiator unit 2 outwards promotes second joint board 9 on the last fin in the removal in-process, along with the going on of removal, protruding 8 of joint on this fin moves second joint mouth 10 department on the last fin, second joint board 9 drives first joint board 6 and kick-backs, protruding 8 card of joint on this fin is gone into in second joint mouth 10, accomplish the joint. The clamping structure is plate-shaped, occupies small external space, has reliable clamping performance and is convenient to assemble and disassemble.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, one section of the second joint interface 10 close to the lamp holder assembly 1 is a conical section, one section deviating from the lamp holder assembly 1 is a rectangular section, the small end of the conical section is communicated with the rectangular section, the conical section can play a guiding role in loading and unloading, and the rectangular section is matched with the joint protrusion 8 to play a joint fixing role.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to fig. 3, fig. 7, fig. 8 and fig. 12, wherein one of the heat dissipation assemblies 2 further includes a third heat dissipation plate 211 connected to the end of the heat pipe 201, the third heat dissipation plate 211 is not provided with a notch 206 and a trimming edge 207, but is connected to the heat pipe 201 and is provided with a connection hole 204 in inserting connection with the connection shaft 4, and the third heat dissipation plate 211 covers the notch 206 formed by the cooperation between the plurality of heat dissipation assemblies 2.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 12, a clamping protrusion 8 is also disposed on the third heat sink 211 for being clamped in the first clamping opening 7 of the adjacent first clamping plate 6.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 12, a fourth bending plate 212 for being attached to the heat pipe 201 is disposed on the third heat sink 211. The fourth bending plate 212 increases the effective contact area between the third heat sink 211 and the heat pipe 201, so that heat exchange can be rapidly performed between the third heat sink 211 and the heat pipe 201, thereby effectively improving the heat conduction efficiency and further improving the heat dissipation efficiency.

The first fin 202, the second fin 209, and the third fin 211 are all metal fins having good heat conductivity, and also need to have a certain rigidity, for example, aluminum alloy fins, steel fins, and the like.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 12, the basic shapes of the first heat sink 202, the second heat sink 209 and the third heat sink 211 are all circular, except that the first heat sink 202 is provided with the notch 206 and the flat cut edge 207 on the basis of a wafer, the second heat sink 209 is provided with the notch 206 on the basis of a wafer, and the third heat sink 211 still maintains a relatively complete wafer shape. The arc-shaped sides of the first fin 202, the second fin 209, and the third fin 211 are all overlapped with each other in the axial direction of the heat pipe 201. The first heat sink 202, the second heat sink 209 and the third heat sink 211 are similar in structure, are machined and formed in an automatic forming mode, and are simple to machine and low in cost.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to fig. 3, fig. 7 and fig. 8, the lamp cap assembly 1 includes a lamp cap 101, a sleeve 102, a driver 103 and an end cover 104, the driver 103 is disposed in the sleeve 102, the lamp cap 101 and the end cover 104 are respectively disposed at two ends of the sleeve 102, the driver 103 is respectively electrically connected to the lamp cap 101 and the light source board 302, and the connecting shaft 4 is fixedly disposed on the end cover 104.

Specifically, the lamp cap 101 is a screw cap, and is connected to the lamp holder by screwing, so that the lamp can be conveniently assembled and disassembled for replacement.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A lighting fixture, comprising:

a lamp head assembly;

the lighting assembly is arranged on the heat dissipation assembly;

the heat dissipation assembly includes:

a heat pipe; and

2. The lighting fixture of claim 1 wherein the first heat sink has a first bend plate disposed thereon for engaging the sidewall of the heat pipe.

3. The lighting lamp as claimed in claim 1, wherein the heat pipes of the adjacent heat dissipation assemblies are parallel to each other, the first path is parallel to the axial direction of the heat pipes, the lighting lamp further comprises a connecting shaft fixedly arranged on the lamp holder assembly, the first heat dissipation plate of each heat dissipation assembly is provided with a connecting hole for being in plug-in fit with the connecting shaft, and the connecting shaft is arranged parallel to the heat pipes.

4. The light fixture of claim 3 wherein the heat sink assembly further comprises a second heat sink, the first heat sink being positioned between the base assembly and the second heat sink, a plurality of the second heat sinks being connected to the heat pipe, the second heat sinks being arranged parallel to the first heat sinks, the second heat sinks in adjacent heat sink assemblies being alternately spaced along the first path, and edges of the second heat sinks in adjacent heat sink assemblies overlapping each other; and each second heat dissipation sheet of each heat dissipation assembly is provided with a connecting hole which is used for being matched with the connecting shaft in an inserting manner.

5. The lighting fixture of claim 4, wherein each of the first and second heat dissipation fins of each heat dissipation assembly has a notch, the notches of the same heat dissipation assembly correspond to each other, and the notches of adjacent heat dissipation assemblies are butted against each other to form a through hole structure between the heat dissipation assemblies.

6. The light fixture of claim 5 wherein the first heat sink edge is provided with a flat cut edge, the opening of the notch extending to the flat cut edge.

7. The light fixture of claim 4 wherein adjacent ones of said first heat sinks are removably attached to one another, adjacent ones of said second heat sinks are removably attached to one another, and adjacent ones of said first heat sinks and said second heat sinks are removably attached to one another.

8. The lighting lamp according to claim 7, wherein the first and second heat dissipation fins have perpendicular edges and are provided with first clamping plates, the root of each first clamping plate is provided with a first clamping opening extending to the edge of the root of each first clamping plate, a clamping protrusion is fixedly arranged in each first clamping opening, the clamping protrusion and the inner wall of each first clamping opening are arranged at intervals, the free end of each first clamping plate is further provided with a second clamping plate, a second clamping opening is arranged at the joint of each second clamping plate and the corresponding first clamping plate, the second clamping plates are used for being clamped in the adjacent first clamping openings, and the clamping protrusions are used for being clamped in the adjacent second clamping openings.

9. The lighting fixture of claim 3, wherein one of the heat dissipation assemblies further comprises a third heat sink, the third heat sink is connected to the end of the heat pipe, and the third heat sink is provided with a connection hole for inserting and matching with the connection shaft.

10. The lighting fixture of claim 1 wherein an edge of the first heat sink is provided with a second fold plate for engaging the lighting assembly.