CN210921164U

CN210921164U - Illumination lamp with adjustable illumination angle

Info

Publication number: CN210921164U
Application number: CN201922366265.4U
Authority: CN
Inventors: 黎传龙
Original assignee: Ledrhythm Optronic Technology (suzhou) Co ltd
Current assignee: Ledrhythm Optronic Technology (suzhou) Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-03
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an illumination lamps and lanterns of shining angularly adjustable, it includes: the connecting frame comprises two opposite arm parts, and a first toothed ring is arranged on each arm part; the lamp fixing device comprises a fixing frame, a lamp and a lamp holder, wherein at least one lamp is installed on the fixing frame; the guide cover is connected to the fixed frame; the second gear ring is in sliding fit with the guide cover; a second spring driving the second ring gear into engagement with the first ring gear; the adjusting button is inserted into the first gear ring and connected with the second gear ring, the adjusting button is rotatably connected with the first gear ring, and the first gear ring and the second gear ring can be driven to be disengaged by pressing the adjusting button. The utility model discloses when adjusting the mount angle, only need press the adjustment button who is connected with the second ring gear, make second ring gear and first ring gear break away from the meshing, the mount can rotate and carry out the angle modulation, and the operation is very convenient.

Description

Illumination lamp with adjustable illumination angle

Technical Field

The utility model relates to an illumination lamps and lanterns, in particular to shine angularly adjustable illumination lamps and lanterns.

Background

Lamps are used as lighting devices and are widely used in daily life and industrial production. The lamps can be classified into various categories according to installation positions, for example: ceiling lamps, floor lamps, wall lamps, table lamps, down lamps and the like.

In the case of the floor lamp, the light emitting lamp is usually supported by a bracket placed on the bottom surface, and the bracket may be fixed on the bottom surface or may be movable, so as to change the placing position of the floor lamp.

The prior art luminaire generally suffers from the following drawbacks:

For the floor lamp, the lamp is usually supported by a bracket assembly placed on the bottom surface, and the bracket assembly may be fixed on the bottom surface or may be movable, so as to change the placing position of the floor lamp.

The prior art luminaire generally suffers from the following drawbacks:

1. in order to expand the illumination range of the lamp, the lamp is often provided with a plurality of lamps, however, in the prior art, the lamps and the bracket assembly are fixed, and the illumination angle of the lamps cannot be adjusted, so that the illumination range of the lamp is fixed, and the adaptability is poor;

2. some mechanisms for adjusting the irradiation angle of the lamp exist in the prior art, but the mechanism is usually only arranged on a lamp with a single lamp on a bracket component, the angle adjustment range is limited, the adjustment of 360 degrees cannot be realized, in addition, the irradiation angle is usually adjusted in a mode that the bolt is loosened firstly and then locked after the angle adjustment is finished, and the use is inconvenient;

3. the position of the existing lamp on the bracket is fixed, so that the lamps are difficult to adjust to proper positions, and meanwhile, the number of the lamps is fixed, so that the lamps cannot be increased or decreased, and the use limitation is large;

4. in the prior art, the frame body for connecting the lamp and the bracket are often integrated or fixedly connected through bolts, the lamp is inconvenient to disassemble and assemble, and the lamp is usually higher in position, so that the lamp is troublesome to clean and maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned defect among the prior art, provide an illumination lamps and lanterns that shine angle adjustable, the regulation that the angle of shining of the lamp of this lamps and lanterns can be convenient.

In order to realize the above-mentioned utility model purpose, the utility model provides an illumination lamps and lanterns of shining angle adjustable, it includes:

the connecting frame comprises two opposite arm parts, and a first toothed ring is arranged on each arm part;

the lamp fixing device comprises a fixing frame, a lamp and a lamp holder, wherein at least one lamp is installed on the fixing frame;

the guide cover is connected to the fixed frame;

the second gear ring is in sliding fit with the guide cover;

a second spring driving the second ring gear into engagement with the first ring gear;

the adjusting button is inserted into the first gear ring and connected with the second gear ring, the adjusting button is rotatably connected with the first gear ring, and the first gear ring and the second gear ring can be driven to be disengaged by pressing the adjusting button.

Furthermore, the utility model discloses still provide following subsidiary technical scheme:

the first gear ring is provided with a plurality of convex teeth which are distributed at equal angles by taking the axis of the adjusting button as the center, and the second gear ring is provided with a plurality of tooth sockets which are distributed at equal angles by taking the axis as the center.

The guide cover is provided with an inner hole, and the second gear ring comprises a convex ring part matched and connected with the inner hole and a shaft part extending out of the guide cover.

The guide cover is provided with a communicating hole matched and connected with the shaft part.

The inner hole and/or the communication hole are/is a non-circular hole.

The second spring is arranged in the inner hole, and two ends of the second spring are respectively abutted against the fixing frame and the second gear ring.

The adjusting button comprises a pressing part, the pressing part and the second gear ring are respectively located on two sides of the arm part, and a gap exists between the pressing part and the arm part.

The second gear ring is provided with a screw hole, and the adjusting button is provided with a threaded part in threaded connection with the screw hole.

The first gear ring and the arm are matched to form a shaft hole, and the adjusting button further comprises a limiting shaft matched and connected with the shaft hole.

The limiting shaft is abutted to the second gear ring.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an illumination lamps and lanterns of shining angularly adjustable are provided with carriage and mount, be provided with the guide housing on the mount and slide the second ring gear that connects with the guide housing, be provided with first ring gear on the carriage, the second ring gear passes through the tight meshing in second spring and first ring gear top, thereby make mount and carriage keep relatively fixed, when adjusting the mount angle, only need press the adjustment button who is connected with the second ring gear, make second ring gear and first ring gear break away from the meshing, the mount can rotate and carry out the angle modulation, it is very convenient to operate.

Drawings

Fig. 1 is a schematic structural view of the illumination lamp with adjustable illumination angle of the present invention.

Fig. 2 is a schematic structural view of the middle bracket assembly of the present invention.

Fig. 3 is a schematic cross-sectional view of the bracket assembly of the present invention.

Fig. 4 is a schematic view of the connection between the lower frame and the first clamping plate.

Fig. 5 is a schematic view of the connection between the middle lamp connecting device and the angle adjusting bracket set of the present invention.

Fig. 6 is a schematic structural diagram of the middle angle adjusting assembly of the present invention.

Fig. 7 is a sectional view of the angle adjusting assembly of the present invention.

Fig. 8 is a schematic structural view of the first ring gear of the present invention.

Fig. 9 is a schematic structural view of the second ring gear of the present invention.

Fig. 10 is a schematic structural view of the lamp connecting device of the present invention, in which the fixing frame is not shown.

Fig. 11 is a schematic view of the mounting block and the fixing frame of the present invention.

Fig. 12 is a cross-sectional view of the lamp connecting device of the present invention.

Fig. 13 is a cross-sectional view of the mounting block in the knock pin position in accordance with the present invention.

Fig. 14 is a schematic structural diagram of the mounting frame in the present invention.

Fig. 15 is an enlarged view of a portion a in fig. 14.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.

As shown in fig. 1, the lighting lamp with adjustable illumination angle according to the preferred embodiment of the present invention includes at least one lamp 1, a lamp connecting device 2 for installing the lamp 1, an angle adjusting bracket set 3 for adjusting the overall angle of the lamp connecting device 2, and a bracket assembly 4 detachably connected to the angle adjusting bracket set 3.

As shown in fig. 2 and 3, the bracket assembly 4 includes a support rod 40, a fixed frame 41 connected to an end of the support rod 40, a first clamping plate 42 slidably coupled to the fixed frame 41, and a first spring 44 for driving the first clamping plate 42 to press the fixed frame 41.

The fixing frame 41 and the support rod 40 may be connected by bolts or welding.

The fixing frame 41 includes an upper frame 410 and a lower frame 411 connected to each other, and the upper frame 410 and the lower frame 411 may be connected by a bolt, a rivet, or a snap. The upper frame 410 comprises a support plate 416, a second clamping plate 412 connected to the support plate 416, and an adapter plate 415 connected below the support plate 416, wherein the second clamping plate 412 extends upwards from the support plate 416 and is used for matching with the first clamping plate 42 to position the angle adjusting frame set 3; an adapter plate 415 extends downwardly from the support plate 416 for connection to the lower frame 411. An installation cavity 413 is formed between the upper frame body 410 and the lower frame body 411, and the lower frame body 411 comprises a vertical plate 414 extending into the installation cavity 413.

Referring to fig. 4, the vertical plate 414 is provided with guide holes 414a, and in this embodiment, the number of the guide holes 414a is 3. The first clamp plate 42 is connected with a guide post 43, and the position of the guide post 43 corresponds to the position of the guide hole 414a, and the guide post 43 is inserted into the guide hole 414a, so that the first clamp plate 42 can move along the axis of the guide post 43.

The guide post 43 has a head 430 with a size larger than the guide hole 414a at one end and a screw hole 431 at the other end, and the guide post 43 can be fixed on the first clamping plate 42 by passing a screw 432 through the first clamping plate 42 and connecting with the screw hole 431. The head 430 of the guiding column 43 is located in the mounting cavity 413, and the first spring 44 is sleeved on the guiding column 43 and two ends of the first spring respectively abut against the head 430 and the vertical plate 414, so as to apply a pushing force pushing the first clamping plate 42 to the fixing frame 41.

Normally, the first spring 44 drives the first clamping plate 42 to tightly abut against the side surface 4a of the fixed frame 4, so that the mounting cavity 413 becomes a sealed cavity, and dust, foreign matters and the like are prevented from entering the mounting cavity 413; the parts such as the first spring 44 and the guide post 43 are positioned in the mounting cavity 413, so that the interference of dust, foreign matters and the like is avoided, the action is smoother and more reliable, and the service life is longer.

A plurality of insert posts 420 are fixed on the first insert plate 42, and the insert posts 420 are located above the support plate 416 and are used for fixing the angle adjusting bracket set 3 located between the first clamping plate 42 and the second clamping plate 412.

As shown in fig. 5, the angle adjusting bracket assembly 3 includes a connecting frame 30, a plurality of insertion holes 300 corresponding to the insertion posts 420 are formed on the connecting frame 30, when the connecting frame 30 is fixed to the bracket assembly 4, the first clamping plate 42 is firstly pulled open, then the connecting frame 30 is placed on the supporting plate 416, the insertion holes 300 are aligned with the insertion posts 420, after the first clamping plate 42 is loosened, the first insertion posts 420 are inserted into the insertion holes 300, and the first clamping plate 42 and the second clamping plate 412 are matched to clamp the connecting frame 30 tightly, so as to fix the connecting frame 30. In order to facilitate the pulling of the first clamp plate 42, the first clamp plate 42 is provided with a pull plate portion 421 extending to the lower portion of the lower frame 411, and the pulling of the pull plate portion 421 by fingers can facilitate the application of force.

With continued reference to fig. 5, the angle adjustment bracket assembly 3 further includes an angle adjustment assembly 5 connected between the lamp connection device 2 and the connection frame 30, and in particular, the angle adjustment assembly 5 is connected to the fixing bracket 20 of the lamp connection device 2.

The connection frame 30 includes two arm portions 302 arranged oppositely so that the connection frame 30 has a U-shape as a whole, and the angle adjusting assembly 5 is connected to the end portions of the arm portions 302.

Specifically, as shown in fig. 6, the angle adjusting assembly 5 includes a first toothed ring 50 connected to the arm portion 302 of the connecting frame 30, a guide cover 51 connected to the fixing frame 20, a second toothed ring 52 slidably fitted in the guide cover 51, an adjusting button 53 connected to the second toothed ring 52, and a second spring 54 for urging the second toothed ring 52 against the first toothed ring 50.

The first ring gear 50 and the arm 302, and the guide housing 51 and the fixed frame 20 are fixedly connected, for example, by bolts.

As shown in fig. 7, the guide cover 51 is provided with an inner hole 510 and a communication hole 511 for communicating the inner hole 510 with the outside, and the second ring gear 52 includes a convex ring portion 520 fitted to the inner hole 510 and a shaft portion 521 fitted to the communication hole 511. The second ring gear 52 can move along the inner hole 510, and a shoulder 513 formed between the communication hole 511 and the inner hole 510 can restrict the position of the second ring gear 52, preventing the second ring gear 52 from being separated from the guide cover 51.

The guide cover 51 and the second ring gear 52 can slide relatively but cannot rotate relatively, and the inner hole 510 and/or the communication hole 511 can be provided as a non-circular hole, such as a square hole, an elliptical hole, etc., and the outer shapes of the convex ring portion 520 and the shaft portion 521 respectively conform to the shapes of the inner hole 510 and the communication hole 511, so that the guide cover 51 and the second ring gear 52 cannot rotate relatively.

The second spring 54 is disposed in the inner hole 510, and both ends of the second spring respectively abut against the fixed frame 20 and the second ring gear 52, so that the second ring gear 52 abuts against the first ring gear 50.

The adjusting button 53 is arranged on the arm 302 and the first gear ring 50 in a penetrating manner and fixedly connected with the second gear ring 52, specifically, the adjusting button 53 comprises a pressing portion 57, a threaded portion 56 and a limiting shaft 55 connected between the pressing portion 57 and the threaded portion 56, a threaded hole 524 is formed in the second gear ring 52, a communicated shaft hole 301 is formed in the first gear ring 50 and the arm 302 in a matching manner, and the adjusting button 53 is fixedly connected with the second gear ring 52 through the threaded portion 56 of the adjusting button 53 and the threaded hole 524 in a threaded manner. The limit shaft 55 is fitted in the shaft hole 301, and is slidably fitted in the shaft hole 301, and when the first ring gear 50 and the second ring gear 52 are engaged, a gap 54a exists between the pressing portion 57 and the arm portion 302, and when the pressing portion 57 is pressed, the adjustment button 52 can drive the second ring gear 52 to compress the second spring 54, so that the first ring gear 50 and the second ring gear 52 are disengaged.

As shown in fig. 6, 8 and 9, the first ring gear 50 includes a first tooth surface 500, the second ring gear 52 includes a second tooth surface 522, and the first tooth surface 500 and the second tooth surface 522 are fixed to each other in mesh. Specifically, the first tooth surface 500 is provided with a plurality of teeth 501 equiangularly distributed about the axis 100, the second tooth surface 522 is provided with a plurality of teeth slots 523 equiangularly distributed about the axis 100, and the teeth 501 can mesh with the teeth slots 523. The axis 100 is the common axis of the adjustment button 53, the first ring gear 50 and the second ring gear 52.

When the angle of the whole lamp connecting device 2 needs to be changed, the lamp connecting device 2 is relatively fixed with the connecting frame 30 after the first gear ring 50 and the second gear ring 52 are re-engaged by only pressing the adjusting button 53 to disengage the first gear ring 50 and the second gear ring 52 and then pushing the lamp connecting device 2 to rotate around the axis 100 and loosening the adjusting button 53 to a proper position, so that the operation is more convenient.

As shown in fig. 10 to 13, the lamp connecting device 2 includes a fixing frame 20, a mounting block 21 connected to the fixing frame 20, a top pin 22 slidably coupled to the mounting block 21, a mounting frame 23 connected to the lamp 1, a spline ring 24 provided on the mounting frame 23, a third spring 25 driving the top pin 22 to abut against the spline ring 24, and a connecting member 27 connecting the mounting block 21 and the spline ring 24.

As shown in fig. 11, the mounting block 21 is slidably coupled to the fixing frame 20, specifically, the fixing frame 20 is provided with a guide groove 200, and the mounting block 21 is coupled to the guide groove 200, so that the mounting block 21 can slide along the guide groove 200. The holder 20 is provided with a rib 201 to prevent the mounting block 21 from being separated from the guide groove 200. When the mounting block 21 is adjusted to a proper position, the mounting block 21 can be fixed to the fixing frame 20 by a bolt or a bolt, in this embodiment, the mounting block 21 and the fixing frame 20 are fixed by a bolt 26, specifically, as shown in fig. 12, a first through hole 213 is formed on the mounting block 21, a plurality of second through holes 202 are formed on the fixing frame 20 at intervals, and the bolt 26 passes through the second through hole 202 to be matched with the first through hole 200, so that the mounting block 21 can be fixed to the fixing frame 20. When the position of the mounting block 21 needs to be adjusted, the mounting block 21 can move along the guide groove 200 only by pulling out the latch 26, and the latch 26 is inserted when the position is proper.

As shown in fig. 13, the top pin 22 includes a blocking ring portion 220 and an insertion shaft 221 connected to the blocking ring portion 220, the mounting block 21 is provided with a mating hole 210 mated with the blocking ring portion 220 and an insertion shaft hole 211 mated with the insertion shaft 221, and the insertion shaft 221 extends from the insertion shaft hole 211 to the outside of the mating hole 210 to mate with the spline ring 24. The diameter of the insert shaft 221 is smaller than that of the collar portion 220 so that the knock pin 22 does not come off the mount block 21 from the insert shaft hole 211. The mounting block 21 is further provided with a stopper 21a coupled in the coupling hole 210, and the stopper 21a prevents the knock pin 22 from being separated from the mounting block 21 from the coupling hole 210. In one embodiment, the plug 21a is a set screw that is threadably engaged with the mating hole 210; in another embodiment, the plug 21a may be a rubber block, which is tightly fitted to the coupling hole 210.

The third spring 25 is disposed in the mating hole 210, and two ends of the third spring respectively abut against the plug 21a and the stop ring 220.

As shown in fig. 12, a counter bore 212 is formed in the mounting block 21, a connection screw hole 240 is formed in the spline ring 24, and the connecting member 27 is disposed in the counter bore 212 and screwed into the connection screw hole 240, thereby connecting the mounting block 21 to the spline ring 24. The connecting piece 27 is provided with a rotating shaft part 270 with the diameter larger than that of the connecting screw hole 240, the rotating shaft part 270 abuts against the spline ring 24, and after the mounting block 21 is connected with the spline ring 24, the mounting block 21 does not abut against the spline ring 24 tightly and can rotate around the axis of the rotating shaft part 270. The connecting member 27 may directly use a bolt.

As shown in fig. 14 and 15, the spline ring 24 is provided with a spline surface 241, the spline surface 241 is provided with a plurality of spline grooves 242 which are equiangularly distributed around the axis of the rotating shaft 270, the spline surface 241 and the bottom surface 242a of the spline groove 242 are transited by an inclined surface or an arc surface, and the transitional surface shown in fig. 15 is an inclined surface 242 b. When the knock pin 22 is inserted into the spline groove 242, the mount bracket 23 is fixed; when the mounting bracket 23 is rotated by a force, the inclined surface 242b can push the knock pin 22 to retract against the elastic force of the third spring 25, thereby rotating the spline ring 24.

The lamp 1 is connected to the mounting bracket 23, and the mounting bracket 23 can be connected to the housing of the lamp 1 by bolts or clamping. The lamp 1 is not limited in kind, and may be, for example, an LED lamp, and the mounting bracket 23 may be designed in various shapes according to the outer shape of the lamp 1, and is not limited to a rectangular parallelepiped frame shape in the present embodiment.

A plurality of lamps 1 can be connected on mount 20, and the angle of each lamp 1 and the position on mount 20 all can be adjusted through installation piece and bolt, and is very convenient, has expanded the illumination zone of illumination lamps and lanterns greatly, can adapt to multiple user demand.

The utility model discloses an illumination lamps and lanterns of shining angularly adjustable include following advantage at least:

1. the utility model discloses an illumination lamps and lanterns install at least one lamp on the mount, on one hand, the position of lamp on the mount is adjustable to can adjust the lamp to suitable height, on the other hand, the angle between lamp and the mount, and the angle between mount and the link can all be adjusted 360 degrees, has greatly expanded the illumination zone of lamp; especially, under the condition that a plurality of lamps are arranged on the fixed frame, the irradiation angle of each lamp can be adjusted, different lighting requirements can be well met, and the good adaptability and lighting effect of the lighting lamp are improved;

2. in the utility model, the installation block is matched and connected with the guide groove in a sliding way, the installation block and the guide groove are fixed through the bolt, when the position of the installation block is adjusted, the bolt is only needed to be pulled out, and the bolt is inserted when the installation block is moved to a proper position, so the use is very convenient; moreover, the number of the lamps on the fixing frame can be conveniently increased or decreased by increasing or decreasing the mounting blocks and the mounting frames, so that the number of the lamps can be increased or decreased according to actual needs;

3. in the utility model, the fixing frame is provided with the second toothed ring, the connecting frame is provided with the first toothed ring, and the second toothed ring is tightly meshed with the first toothed ring through the second spring, so that the fixing frame and the connecting frame are kept relatively fixed; the fixing frame can be connected with a plurality of lamps, so that the irradiation angles of the lamps can be adjusted simultaneously, and the angle adjustment is more convenient and faster;

4. in the utility model, the mounting frame is provided with the spline ring, the mounting block is provided with the knock pin, the knock pin is abutted against the spline groove of the spline ring through the third spring, so that the mounting frame is relatively fixed with the mounting block and the fixing frame, when the irradiation angle of the lamp is required to be adjusted, the mounting frame is rotated only by applying force, the transition surface of the spline groove can automatically push away the knock pin, when the mounting frame is adjusted to a proper angle, the mounting frame is released, the knock pin can automatically abut against the spline groove, so that the mounting frame is fixed, the angle adjustment does not need to disassemble and assemble parts such as bolts and nuts, and is very convenient and rapid;

5. the utility model discloses in, through setting up the first splint and the second splint of centre gripping carriage of mutually supporting, and be provided with on the first splint and insert the post of inserting on establishing the carriage for during the dismouting carriage, only need pull open first splint take out or put into the carriage can, can be convenient the carriage that will install the lamp take off, and then wash, clean or maintenance work to the lamp, use more convenient and fast.

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an illumination lamps and lanterns of shining angularly adjustable which characterized in that: it includes:

the connecting frame (30) comprises two opposite arm parts (302), and a first toothed ring (50) is arranged on each arm part (302);

the lamp holder (20), at least one lamp (1) is installed on the holder (20);

the guide cover (51), the said guide cover (51) is connected to said fixed mount (20);

a second gear ring (52), wherein the second gear ring (52) is in sliding fit with the guide cover (51);

a second spring (54), the second spring (54) driving the second toothed ring (52) into engagement with the first toothed ring (50);

the adjusting button (53) is inserted into the first gear ring (50) and connected with the second gear ring (52), the adjusting button (53) is rotatably connected with the first gear ring (50), and the first gear ring (50) and the second gear ring (52) can be driven to be disengaged by pressing the adjusting button (53).

2. An illumination fixture having an adjustable illumination angle as defined in claim 1, further comprising: the first toothed ring (50) is provided with a plurality of convex teeth (501) which are distributed at equal angles by taking the axis (100) of the adjusting button (53) as the center, and the second toothed ring (52) is provided with a plurality of tooth grooves (523) which are distributed at equal angles by taking the axis (100) as the center.

3. An illumination fixture having an adjustable illumination angle as defined in claim 1, further comprising: an inner hole (510) is formed in the guide cover (51), and the second gear ring (52) comprises a convex ring portion (520) matched and connected with the inner hole (510) and a shaft portion (521) extending out of the guide cover (51).

4. A light fixture having an adjustable illumination angle as defined in claim 3, wherein: the guide cover (51) is provided with a communication hole (511) which is matched and connected with the shaft part (521).

5. An illumination fixture of adjustable illumination angle as defined in claim 4, further comprising: the inner hole (510) and/or the communication hole (511) are non-circular holes.

6. An illumination fixture of adjustable illumination angle as defined in claim 4, further comprising: the second spring (54) is arranged in the inner hole (510), and two ends of the second spring respectively abut against the fixed frame (20) and the second gear ring (52).

7. An illumination fixture with adjustable illumination angle as defined in any one of claims 1 to 6, wherein: the adjustment button (53) includes a pressing portion (57), the pressing portion (57) and the second ring gear (52) are respectively located on both sides of the arm portion (302), and a gap (54a) is formed between the pressing portion (57) and the arm portion (302).

8. An illumination fixture having an adjustable illumination angle as defined in claim 7, wherein: the second gear ring (52) is provided with a screw hole (524), and the adjusting button (53) is provided with a thread part (56) which is in threaded connection with the screw hole (524).

9. An illumination fixture having an adjustable illumination angle as defined in claim 7, wherein: the first gear ring (50) and the arm portion (302) are matched to form a shaft hole (301), and the adjusting button (53) further comprises a limiting shaft (55) matched and connected with the shaft hole (301).

10. An illumination fixture of adjustable illumination angle as defined in claim 9, wherein: the limiting shaft (55) is abutted against the second gear ring (52).