CN219995173U - Lamp with function of adjusting light spot size - Google Patents

Abstract

The utility model relates to a lamp with a function of adjusting the size of light spots, which comprises a lamp barrel, a light-emitting assembly, a focusing assembly and a dimming assembly, wherein the light-emitting assembly comprises a light-emitting part arranged in the lamp barrel, the focusing assembly comprises a focusing barrel and a lens, the focusing barrel is arranged on the lamp barrel in a sliding manner, and the lens is arranged on the focusing barrel; the dimming component comprises a support, a rotating shaft, a first connecting piece, a second connecting piece and a light barrier, wherein one end of the lamp tube is sleeved on the support, one end of the first connecting piece is detachably connected to the support, the other end of the first connecting piece is sleeved on the rotating shaft, one end of the second connecting piece is detachably connected to the light barrier, the other end of the second connecting piece is sleeved on the rotating shaft, and the second connecting piece can rotate around the rotating shaft. The lamp with the function of adjusting the size of the light spots is detachably connected with the support through the first connecting piece, and the second connecting piece is detachably connected with the light barrier, so that the lamp is applicable to different supports and light barriers; the second connecting piece rotates around the rotating shaft to adjust the angle between the light barrier and the support, so as to adjust the size of the light spot; the lamp has simple structure and convenient use.

Description

Lamp with function of adjusting light spot size

Technical Field

The utility model relates to the technical field of lighting lamps, in particular to a lamp with a function of adjusting the size of light spots.

Background

Currently, a lamp with a function of adjusting the size of a light spot appears on the market, so as to adjust the size of the light spot according to the use situation, as disclosed in Chinese patent CN209762778U, the lamp comprises a shell, a light source fixing part is movably arranged in the shell, a light source is arranged at the lower end of the light source fixing part, a plurality of first reflecting plates are hinged at the lower end of the shell, a second reflecting plate is movably arranged between the outer sides of the two first reflecting plates, an adjusting mechanism capable of adjusting the rotation angle of the first reflecting plate is arranged between the first reflecting plate and the light source fixing part, a connecting component is arranged between the first reflecting plate and the second reflecting plate, the light source fixing part is pulled, the first reflecting plate is turned inwards through the adjusting mechanism, so that the effect of reducing the size of the light spot is realized, meanwhile, the second reflecting plate is moved through the connecting component, so that gaps between the first reflecting plates are compensated, light leakage is prevented, however, the structure is complex, and the production cost is high.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a lamp with a simple structure and a function of adjusting the spot size.

The lamp with the function of adjusting the size of the light spots comprises a lamp barrel, a light-emitting assembly, a focusing assembly and a dimming assembly, wherein the light-emitting assembly comprises a light-emitting part arranged in the lamp barrel, the focusing assembly comprises a focusing barrel and a lens, the focusing barrel is arranged on the lamp barrel in a sliding manner, and the lens is arranged on the focusing barrel; the dimming component comprises a support, a rotating shaft, a first connecting piece, a second connecting piece and a light barrier, wherein the support is used for sleeving one end of the lamp tube, one end of the first connecting piece is detachably connected with the support, the other end of the first connecting piece is sleeved on the rotating shaft, one end of the second connecting piece is detachably connected with the light barrier, the other end of the second connecting piece is sleeved on the rotating shaft, and the second connecting piece can rotate around the rotating shaft.

In one embodiment, the rotation shaft, the first connecting piece, the second connecting piece and the light barrier are all multiple and are in one-to-one correspondence, and the first connecting pieces are uniformly distributed along the peripheral edge of the support.

In one embodiment, the light blocking plate comprises a first light blocking plate and a second light blocking plate, and the first light blocking plate and the second light blocking plate are arranged in a staggered mode.

In one embodiment, the light modulation assembly further comprises a fastener, a first fixing piece and a second fixing piece, the fastener is penetrated by the rotating shaft, the rotating shaft is matched with the fastener to fix the first connecting piece and the second connecting piece, the first fixing piece is used for fixing the first connecting piece and the support, and the second fixing piece is used for fixing the second connecting piece and the light barrier.

In one embodiment, the dimming component further comprises a limiting member, and the limiting member is used for fixing the support and the lamp tube.

In one embodiment, the focusing assembly further comprises a fixing seat, an elastic piece and a rolling piece, wherein the fixing seat is installed on one side of the focusing barrel, one end of the elastic piece is abutted against the fixing seat, the other end of the elastic piece is abutted against the rolling piece, one end of the rolling piece is convexly arranged on the fixing seat, the rolling piece is used for being abutted against the inner side wall of the lamp barrel, and the fixing seat, the elastic piece and the rolling piece are at least three and correspond to each other one by one, and the fixing seats are uniformly distributed along the circumferential direction of the focusing barrel.

In one embodiment, the focusing assembly further comprises an O-ring for abutting against an inner sidewall of the light canister; and a groove is formed in the outer side wall of the focusing barrel so as to accommodate the O-shaped ring.

In one embodiment, the focusing assembly further comprises a first clamping ring, a second clamping ring and a fastening ring, wherein the first clamping ring and the second clamping ring are respectively installed in the focusing cylinder, and the first clamping ring and the second clamping ring are respectively abutted against two sides of the periphery of the lens; the middle part of lens wears to establish first clamping ring, the fastening ring is connected focusing section of thick bamboo, the bottom butt of fastening ring the second clamping ring.

In one embodiment, the light tube comprises a housing portion, a fixing portion, a cover plate portion and a back-off portion, the fixing portion is connected with the housing portion, the light emitting element is mounted on the fixing portion, the fixing portion is used for being abutted to one end of the focusing tube, the cover plate portion covers one end of the housing portion, and the back-off portion is arranged on the inner side of one end, away from the cover plate portion, of the housing portion.

In one embodiment, the swing arm assembly further comprises a swing arm shell, a swing arm cover, a connector and a nut, wherein the swing arm cover is arranged on the swing arm shell, one end of the connector is inserted into the cover plate part, the other end of the connector penetrates through the swing arm cover, the nut is matched with the connector to fix the swing arm cover, and the swing arm cover can rotate around the connector.

The lamp with the function of adjusting the size of the light spots is arranged on the lamp tube in a sliding manner through the focusing tube, and the distance between the lens and the luminous piece is adjusted to realize focusing; the first connecting piece is detachably connected with the support, the second connecting piece is detachably connected with the light barrier, and different supports and light barriers are applicable; the second connecting piece rotates around the rotating shaft, so that the angle between the light barrier and the support is adjusted, and the size of the light spot is adjusted; the lamp with the function of adjusting the size of the light spots has simple structure and convenient use.

Drawings

Fig. 1 is a schematic diagram of an assembled structure of a lamp with a function of adjusting a spot size according to an embodiment of the utility model;

FIG. 2 is an exploded view of the cover plate and swing arm assembly of the lamp of FIG. 1 with spot size adjustment;

FIG. 3 is a cross-sectional view along line A-A of the light fixture of FIG. 1 with spot size adjustment, wherein the brightness switch and dimming component are not shown;

FIG. 4 is a schematic structural diagram of a focusing assembly in the lamp with the function of adjusting the size of the light spot shown in FIG. 1;

FIG. 5 is a schematic structural diagram of a dimming component in the lamp with the function of adjusting the size of the light spot shown in FIG. 1;

fig. 6 is an exploded view of the shaft, the first connector, the second connector and the fastener of the light adjusting assembly shown in fig. 5.

The meaning of the reference numerals in the drawings are:

100. a lamp with the function of adjusting the size of the light spots;

10. a lamp barrel; 11. a housing portion; 12. a fixing part; 13. a cover plate portion; 130. a chute; 14. a back-off part; 20. a light emitting assembly; 21. a light emitting member; 22. a brightness switch; 23. a wire; 30. a focusing assembly; 31. a focusing barrel; 310. a groove; 311. a boss; 32. a lens; 33. a fixing seat; 331. a sleeve portion; 332. a limit part; 34. an elastic member; 35. a rolling member; 36. an O-ring; 37. a first clamping ring; 38. a second clamping ring; 39. a fastening ring;

40. a dimming component; 41. a support; 411. a step; 42. a rotating shaft; 43. a first connector; 44. a second connector; 45. a light barrier; 451. a first light blocking sheet; 452. a second light blocking sheet; 46. a fastener; 47. a first fixing member; 48. a second fixing member; 49. a limiting piece; 50. a swing arm assembly; 51. a swing arm housing; 511. an indication line; 52. a swing arm cover; 53. a joint; 54. and (5) positioning blocks.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 6, a lamp 100 with a function of adjusting a spot size according to an embodiment of the utility model includes a lamp housing 10, a light emitting assembly 20, a focusing assembly 30 and a dimming assembly 40, wherein the light emitting assembly 20 includes a light emitting member 21 installed in the lamp housing 10, the focusing assembly 30 includes a focusing housing 31 and a lens 32, the focusing housing 31 is slidably disposed in the lamp housing 10, and the lens 32 is installed in the focusing housing 31; the light modulation component 40 comprises a support 41, a rotating shaft 42, a first connecting piece 43, a second connecting piece 44 and a light barrier 45; the lamp 100 with the function of adjusting the size of the light spots is arranged on the lamp tube 10 in a sliding way through the focusing tube 31, and the distance between the lens 32 and the luminous piece 21 is adjusted to realize focusing; the first connecting piece 43 is detachably connected with the support 41, the second connecting piece 44 is detachably connected with the light barrier 45, and different supports 41 and light barriers 45 are applicable; the second connecting piece 44 rotates around the rotating shaft 42, so that the angle between the light barrier 45 and the support 41 is adjusted, and the size of the light spot is adjusted.

As shown in fig. 1 to 3, in the present embodiment, the lamp tube 10 includes a housing 11, a fixing portion 12, a cover portion 13, and a back-off portion 14, the fixing portion 12 is connected to the housing 11, the cover portion 13 covers one end of the housing 11, and the back-off portion 14 is disposed inside one end of the housing 11 away from the cover portion 13. Optionally, a chute 130 is provided on one side of the cover plate portion 13.

Referring again to fig. 1 to 3, the light emitting assembly 20 includes a light emitting member 21 mounted in the lamp cartridge 10, alternatively, the light emitting member 21 is mounted to the fixing portion 12; further, the light emitting assembly 20 further comprises a PCB board (not shown), a controller (not shown), a brightness switch 22 and a wire 23, wherein the PCB board is mounted on the fixing portion 12, the brightness switch 22 is rotatably connected to the cover plate portion 13, the brightness switch 22, the light emitting member 21 and the controller are respectively electrically connected to the PCB board, and the brightness of the light emitting member 21 is controlled by rotating the brightness switch 22; one end of the wire 23 is electrically connected to the PCB board, and the other end is electrically connected to an external power supply mechanism.

As shown in fig. 3 and 4, the focusing assembly 30 includes a focusing barrel 31 and a lens 32, the focusing barrel 31 is slidably disposed on the lamp barrel 10, and the lens 32 is mounted on the focusing barrel 31; alternatively, the fixing portion 12 is configured to abut against one end of the focusing barrel 31 to limit the focusing barrel 31; further, a groove 310 is formed in the outer side wall of the focusing barrel 31, and a boss 311 is formed in the inner side of the focusing barrel 31; the inner diameter of the focusing barrel 31 is gradually increased from the boss 311 to the end far away from the light-emitting part 21, so that light diffusion is facilitated; preferably, graduation marks are provided on the outer side of the focusing barrel 31 to indicate the distance between the lens 32 and the light emitting member 21 for accurate focusing.

In an embodiment, the focusing assembly 30 further includes a fixing base 33, an elastic member 34 and a rolling member 35, wherein the fixing base 33 is mounted on one side of the focusing barrel 31, one end of the elastic member 34 abuts against the fixing base 33, the other end abuts against the rolling member 35, one end of the rolling member 35 is convexly arranged on the fixing base 33, and the rolling member 35 is used for abutting against the inner side wall of the lamp barrel 10 to ensure smooth sliding; optionally, the fixing base 33 includes a sleeve portion 331 and a limiting portion 332 connected to the sleeve portion 331, the sleeve portion 331 is penetrated by the focusing barrel 31, the limiting portion 332 is used for abutting against the focusing barrel 31 to limit, and the elastic member 34 is installed in the sleeve portion 331; further, the elastic member 34 is a spring, and the rolling member 35 is a ball. In an embodiment, the number of the fixing seats 33, the elastic members 34 and the rolling members 35 is at least three, and the fixing seats 33 are uniformly distributed along the circumferential direction of the focusing barrel 31 in a one-to-one correspondence manner, so that uniform stress is ensured; in the present embodiment, the number of the fixing base 33, the elastic member 34 and the rolling member 35 is eight.

In one embodiment, the focusing assembly 30 further includes an O-ring 36, the O-ring 36 is used for abutting against the inner side wall of the lamp barrel 10, the O-ring 36 is accommodated in the groove 310 to prevent the lamp barrel 10 from falling off, and friction between the lamp barrel 10 and the focusing barrel 31 is increased by the O-ring 36 to prevent the focusing barrel 31 from moving under the self weight condition; optionally, the O-ring 36 is a silicone ring. The focusing assembly 30 further comprises a first clamping ring 37, a second clamping ring 38 and a fastening ring 39, wherein the first clamping ring 37 and the second clamping ring 38 are respectively arranged in the focusing barrel 31, and the first clamping ring 37 and the second clamping ring 38 are respectively abutted against two sides of the peripheral edge of the lens 32; a first clamping ring 37 is arranged in the middle of the lens 32 in a penetrating way, and optionally a boss 311 is used for abutting against the bottom of the first clamping ring 37. The fastening ring 39 is connected with the focusing barrel 31, and the bottom of the fastening ring 39 abuts against the second clamping ring 38.

As shown in fig. 1, 5 and 6, the dimming component 40 includes a support 41, a rotating shaft 42, a first connecting piece 43, a second connecting piece 44 and a light barrier 45, wherein the support 41 is used for sleeving one end of the lamp tube 10, optionally, a step 411 is arranged on the inner side of the support 41, and one end of the shell 11 abuts against the step 411; one end of the first connecting piece 43 is detachably connected to the support 41, and the other end is sleeved on the rotating shaft 42 so as to replace different supports 41; one end of the second connecting piece 44 is detachably connected with the light barrier 45, and the other end is sleeved on the rotating shaft 42 so as to replace different light barriers 45; the second connecting piece 44 can rotate around the rotating shaft 42 to adjust the angle between the second connecting piece 44 and the first connecting piece 43; optionally, the second connector 44 may be rotatable 180 degrees about the rotational axis 42; further, the rotating shaft 42 is a screw, and the second connecting piece 44 is provided in a U shape.

In one embodiment, the light barrier 45 includes a first light blocking piece 451 and a second light blocking piece 452, and the first light blocking piece 451 and the second light blocking piece 452 are staggered; the first light blocking piece 451 and the second light blocking piece 452 may be connected end to form a ring shape. In one embodiment, the first light blocking piece 451 is in the shape of an isosceles trapezoid, and the second light blocking piece 452 is in the shape of an inverted isosceles trapezoid; in other embodiments, the first light blocking piece 451 and the second light blocking piece 452 are all the same in shape, such as rectangle, square, isosceles trapezoid; the first light blocking piece 451 and the second light blocking piece 452 may have the same length or different lengths. In an embodiment, the rotation shaft 42, the first connecting piece 43, the second connecting piece 44 and the light barrier 45 are all plural and are in one-to-one correspondence, each first connecting piece 43 is uniformly distributed along the peripheral edge of the support 41, and the size of the light spot emitted by the lamp tube 10 is adjusted by adjusting the angle between the light barrier 45 and the support 41, so that the anti-dazzle effect is also achieved; optionally, the number of the rotating shaft 42, the first connecting piece 43, the second connecting piece 44 and the light barrier 45 is four, and the four light barriers 45 are matched to adjust the size of the light spot.

In an embodiment, the dimming component 40 further includes a fastener 46, a spacer (not shown), a first fixing member 47 and a second fixing member 48, the rotating shaft 42 is penetrated by the fastener 46, the rotating shaft 42 and the fastener 46 cooperate to fix the first connecting member 43 and the second connecting member 44, alternatively, the fastener 46 is in threaded connection with the rotating shaft 42, so that the dimming component is convenient to use; further, the fastener 46 is a nut; one end of the spacer abuts the second connector 44 and the other end abuts the fastener 46; the shaft 42 is threaded with a spacer and fastener 46. The first fixing member 47 is used for fixing the first connecting member 43 and the support 41, and the second fixing member 48 is used for fixing the second connecting member 44 and the light barrier 45; alternatively, the first fixing member 47 is screwed with the support 41, and the second fixing member 48 is screwed with the light barrier 45; further, the first fixing member 47 and the second fixing member 48 are screws. In an embodiment, the dimming component 40 further includes a limiting member 49, where the limiting member 49 is used to fix the support 41 and the lamp cylinder 10; optionally, the limiting member 49 is a hand-screwed screw, which is convenient to use and suitable for different sizes of the lamp cylinder 10; further, there are at least two limiting members 49 to ensure firm fixation of the holder 41 and the lamp cartridge 10.

As shown in fig. 1 and 2, the lamp 100 with the function of adjusting the size of the light spot further includes a swing arm assembly 50, the swing arm assembly 50 includes a swing arm shell 51, a swing arm cover 52, a joint 53 and a nut (not shown), the swing arm cover 52 is covered on the swing arm shell 51, one end of the joint 53 is inserted on the cover plate 13, the other end is penetrated on the swing arm cover 52, the nut cooperates with the joint 53 to fix the swing arm cover 52, and the swing arm cover 52 can rotate around the joint 53 so as to adjust the angle of the lamp tube 10; one end of the wire 23 is penetrated with the joint 53, and the other end is penetrated with the swing arm shell 51, so as to hide the wire 23, avoid the wire 23 from being exposed outside, effectively protect the wire 23 and ensure the service life; optionally, the joint 53 is in threaded connection with the nut, so that the disassembly and assembly are convenient; further, an indication line 511 is provided at one end of the swing arm housing 51 to facilitate indication of the rotation angle. Preferably, the swing arm assembly 50 further includes a positioning block 54, the positioning block 54 is mounted on a side of the swing arm cover 52 away from the swing arm housing 51, and the positioning block 54 is accommodated in the chute 130 to limit movement of the swing arm cover 52.

During focusing, the focusing cylinder 31 is pulled, the distance between the lens 32 and the luminous element 21 is adjusted until one end of the lamp cylinder 10 is aligned with the corresponding numerical value on the scale mark of the focusing cylinder 31, and the position is accurate; in the drawing process, each rolling piece 35 rolls along the inner side wall of the lamp tube 10, and the multi-point contact, the stress is uniform and the movement is smooth; meanwhile, under the action of the O-shaped ring 36, the uniform stress is further ensured, and the focusing cylinder 31 can be prevented from moving under the self-weight condition; by providing the back-off portion 14, the positions of the O-ring 36 and the rolling member 35 are defined to prevent the focusing barrel 31 from being separated from the lamp barrel 10; the position of the focusing barrel 31 is limited by a fixing seat 33.

When in use, the support 41 is sleeved on the lamp cylinder 10, one end of the lamp cylinder 10 is abutted against the step 411, and then the horizontal positions of the support 41 and the lamp cylinder 10 are fixed through the limiting piece 49; by rotating the light barrier 45, the light barrier 45 drives the second connecting piece 44 to rotate around the rotating shaft 42, so that the angle between the light barrier 45 and the support 41 is adjusted, the size of the light spot emitted by the light emitting piece 21 is adjusted, the use is convenient, and the anti-dazzle effect can be achieved through the light barrier 45; the first connecting piece 43 and the support 41 are detachably connected through the first fixing piece 47, the second fixing piece 48 is detachably connected with the second connecting piece 44 and the light barrier 45, and the light barrier is convenient to disassemble and assemble, is applicable to different supports 41 and light barrier 45, and reduces cost; the irradiation angle of the light emitting element 21 is adjusted by the rotation of the lamp tube 10 around the swing arm case 51.

The lamp 100 with the function of adjusting the size of the light spots is arranged on the lamp tube 10 in a sliding way through the focusing tube 31, and the distance between the lens 32 and the luminous piece 21 is adjusted to realize focusing; the first connecting piece 43 is detachably connected with the support 41, the second connecting piece 44 is detachably connected with the light barrier 45, and different supports 41 and light barriers 45 are applicable; the second connecting piece 44 rotates around the rotating shaft 42, so that the angle between the light barrier 45 and the support 41 is adjusted, and the size of the light spot is adjusted; the lamp 100 with the function of adjusting the size of the light spots has a simple structure and is convenient to use.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The lamp with the function of adjusting the size of the light spots is characterized by comprising a lamp tube, a light-emitting assembly, a focusing assembly and a dimming assembly, wherein the light-emitting assembly comprises a light-emitting piece arranged in the lamp tube, the focusing assembly comprises a focusing tube and a lens, the focusing tube is arranged on the lamp tube in a sliding manner, and the lens is arranged on the focusing tube; the dimming component comprises a support, a rotating shaft, a first connecting piece, a second connecting piece and a light barrier, wherein the support is used for sleeving one end of the lamp tube, one end of the first connecting piece is detachably connected with the support, the other end of the first connecting piece is sleeved on the rotating shaft, one end of the second connecting piece is detachably connected with the light barrier, the other end of the second connecting piece is sleeved on the rotating shaft, and the second connecting piece can rotate around the rotating shaft.

2. The lamp with the function of adjusting the light spot size according to claim 1, wherein the rotating shaft, the first connecting piece, the second connecting piece and the light barrier are all multiple and correspond to each other one by one, and the first connecting pieces are uniformly distributed along the peripheral edge of the support.

3. The lamp with the function of adjusting the light spot size according to claim 1, wherein the light barrier comprises a first light blocking sheet and a second light blocking sheet, and the first light blocking sheet and the second light blocking sheet are arranged in a staggered manner.

4. The lamp with the function of adjusting the light spot size according to claim 1, wherein the light adjusting assembly further comprises a fastener, a first fixing piece and a second fixing piece, the fastener is arranged in a penetrating manner through the rotating shaft, the rotating shaft is matched with the fastener to fix the first connecting piece and the second connecting piece, the first fixing piece is used for fixing the first connecting piece and the support, and the second fixing piece is used for fixing the second connecting piece and the light barrier.

5. The lamp with spot size adjusting function according to claim 1, wherein the dimming component further comprises a limiting piece, and the limiting piece is used for fixing the support and the lamp tube.

6. The lamp with the function of adjusting the light spot size according to claim 1, wherein the focusing assembly further comprises a fixing seat, an elastic piece and a rolling piece, the fixing seat is mounted on one side of the focusing barrel, one end of the elastic piece is abutted against the fixing seat, the other end of the elastic piece is abutted against the rolling piece, one end of the rolling piece is convexly arranged on the fixing seat, the rolling piece is used for being abutted against the inner side wall of the lamp barrel, and the fixing seat, the elastic piece and the rolling piece are at least three and correspond to each other one by one, and each fixing seat is uniformly distributed along the circumferential direction of the focusing barrel.

7. The lamp with spot size adjusting function according to claim 1, wherein the focusing assembly further comprises an O-ring, the O-ring being used for abutting against an inner side wall of the lamp barrel; and a groove is formed in the outer side wall of the focusing barrel so as to accommodate the O-shaped ring.

8. The lamp with the function of adjusting the light spot size according to claim 1, wherein the focusing assembly further comprises a first clamping ring, a second clamping ring and a fastening ring, the first clamping ring and the second clamping ring are respectively installed in the focusing cylinder, and the first clamping ring and the second clamping ring are respectively abutted against two sides of the periphery of the lens; the middle part of lens wears to establish first clamping ring, the fastening ring is connected focusing section of thick bamboo, the bottom butt of fastening ring the second clamping ring.

9. The lamp with the function of adjusting the size of the light spots according to claim 1, wherein the lamp tube comprises a shell part, a fixing part, a cover plate part and a back-off part, the fixing part is connected with the shell part, the light emitting piece is installed on the fixing part, the fixing part is used for being abutted against one end of the focusing tube, the cover plate part covers one end of the shell part, and the back-off part is arranged on the inner side of one end, far away from the cover plate part, of the shell part.

10. The lamp with the function of adjusting the light spot size according to claim 9, further comprising a swing arm assembly, wherein the swing arm assembly comprises a swing arm shell, a swing arm cover, a connector and a nut, the swing arm cover is arranged on the swing arm shell, one end of the connector is inserted into the cover plate part, the other end of the connector penetrates through the swing arm cover, the nut is matched with the connector to fix the swing arm cover, and the swing arm cover can rotate around the connector.