CN115479238A

CN115479238A - Down lamp with adjustable beam angle

Info

Publication number: CN115479238A
Application number: CN202211115826.3A
Authority: CN
Inventors: 俞小明; 廖林彬; 陈锦昌; 卢凯
Original assignee: Axg Lighting Co ltd
Current assignee: Axg Lighting Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-16

Abstract

The invention provides a down lamp with an adjustable beam angle, which comprises a lamp holder, a radiator and a rear cover, wherein a light source assembly, a movable plate capable of moving along the axial direction of the radiator, a first spring for providing elastic force for the movable plate and a lens assembly arranged below the light source assembly and fixedly connected with the movable plate are arranged in the radiator, the rear cover is provided with a fixed plate and an adjusting switch in sliding fit with the fixed plate, the bottom of the adjusting switch is provided with a driving part, the top of the movable plate is provided with a matching part in transmission fit with the driving part, the adjusting switch is toggled, and the driving part drives the matching part to move along the axial direction of the radiator so as to drive the lens assembly to be close to or far away from the light source assembly. The invention can adjust the beam angle of the down lamp, so that the down lamp achieves more ideal illumination effect, meets the requirements of customers on different environments or scenes, effectively improves the product applicability and reduces the production cost.

Description

Down lamp with adjustable beam angle

Technical Field

The invention relates to the field of lamps, in particular to a down lamp with an adjustable beam angle.

Background

The down lamp is a lighting lamp embedded in a ceiling and emitting light downward. Different beam angles can bring different illuminating effect, but the beam angle of current down lamp is all fixed, and unable adjustment leads to same style down lamp can't satisfy the customer at different scene actual demands, and the customer need select the down lamp of suitable beam angle according to actual conditions or scene installation demand, leads to the producer to produce respectively to the down lamp at each beam angle when production, leads to same style down lamp model more, has increased manufacturing cost.

Disclosure of Invention

Aiming at the problems that the beam angle of the existing down lamp can not be adjusted, the requirements of different scenes can not be met, the applicability is poor and the production cost is increased, the invention provides the down lamp with the adjustable beam angle.

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a beam angle adjustable down lamp, includes lighting fixture, radiator and hou gai, the lighting fixture with the back lid is fixed set up in the radiator both sides, be equipped with the light source subassembly in the radiator, can follow the fly leaf that radiator axial direction removed, do the fly leaf provides the first spring of elastic force with set up in light source subassembly below and with fly leaf fixed connection's lens subassembly, the back lid be equipped with the fixed plate and with fixed plate sliding fit's regulating switch, the regulating switch bottom is equipped with drive division, the fly leaf top be equipped with drive division transmission complex cooperation portion stirs regulating switch, the drive division drive cooperation portion is followed radiator axial displacement, and then drives the lens subassembly is close to or keeps away from the light source subassembly.

Preferably, the driving part is provided with a first positioning step, a second positioning step and a third positioning step, a first driving inclined plane is arranged between the first positioning step and the second positioning step, and a second driving inclined plane is arranged between the second positioning step and the third positioning step.

Preferably, the fixed plate is provided with a first positioning groove, a second positioning groove and a third positioning groove, the adjusting switch is provided with a ball and a second spring for providing elastic force for the ball, the ball is in butt fit with the fixed plate, and the ball can be in limit fit with the first positioning groove, the second positioning groove or the third positioning groove.

Preferably, the fixing plate is further provided with a guide groove for the driving part to slide.

Preferably, the adjusting switch comprises a bottom plate and a shifting lever arranged at the top of the bottom plate, the driving part is arranged at the bottom of the bottom plate, and the rear cover is provided with a sliding groove for the shifting lever to move.

Preferably, limit stops for preventing the matching part from sliding out are arranged at two ends of the driving part.

Preferably, the lens assembly comprises a lens connecting piece, a lens body arranged in the lens connecting piece and a surface cover arranged on the lens connecting piece, and a connecting column fixedly connected with the movable plate is arranged at the top of the lens connecting piece.

Preferably, the light source subassembly includes the COB support and is fixed in the COB lamp pearl of COB support, the COB support is equipped with the confession the first hole of stepping down that the spliced pole passed.

Preferably, be equipped with the baffle in the radiator, the COB support fixed set up in the baffle bottom, the baffle top is equipped with and is used for the installation the mounting groove of first spring, the baffle is equipped with the confession the second that the spliced pole passed steps down the hole.

Preferably, spring clips are arranged on two sides of the lamp holder, and an anti-dazzle cup is arranged in the lamp holder.

The invention has the following beneficial effects:

1. according to the invention, the beam angle of the down lamp can be changed by driving the lens component to be close to or far away from the light source component through the adjusting switch, and the beam angle of the down lamp can be adjusted according to the actual situation during installation, so that a more ideal illumination effect is achieved, the requirements of customers on different environments or scenes are met, the product applicability is effectively improved, and the production cost is reduced.

2. The driving part is provided with three positioning steps, the fixed plate is provided with three positioning grooves, the adjusting switch is provided with a ball abutted to the fixed plate, the ball can sink into the positioning groove to realize limiting in the moving process, and further the beam angle three-gear adjustment is realized, and the positioning steps and the positioning grooves can ensure that the beam angle is fixed when each gear is switched, so that the illumination stability is improved.

Drawings

FIG. 1: the invention has the advantages of simple structure, convenient operation and easy maintenance;

FIG. 2: the invention discloses a three-dimensional structure schematic diagram of an adjusting switch;

FIG. 3: the side structure schematic diagram of the regulating switch of the invention;

FIG. 4: the invention is a schematic structural diagram of a fixing plate;

FIG. 5: the invention is a schematic diagram of the matching of a ball and a positioning groove;

FIG. 6: the invention discloses a cross-sectional structure schematic diagram of a beam angle in a 1-gear state;

FIG. 7: the invention discloses a cross-sectional structure schematic diagram of a beam angle in a 2-gear state;

FIG. 8: the invention relates to a cross-sectional structure schematic diagram of a beam angle in a 3-gear state;

in the figure: 10. a lamp holder; 11. a spring clip; 12. an anti-dazzle cup; 20. a heat sink; 21. a partition plate; 30. a rear cover; 31. wire buckling; 32. a chute; 40. a light source assembly; 41. a COB bracket; 42. COB lamp beads; 50. a movable plate; 51. a fitting portion; 60. a first spring; 70. a lens assembly; 71. a lens connecting member; 711. connecting columns; 72. a lens body; 73. a face cover; 80. a fixing plate; 81. a first positioning groove; 82. a second positioning groove; 83. a third positioning groove; 84. a guide groove; 90. an adjustment switch; 91. a drive section; 911. a first positioning step; 912. a second positioning step; 913. a third positioning step; 914. a first drive ramp; 915. a second drive ramp; 92. a base plate; 93. a deflector rod; 94. an installation part; 95. a limit stop block; 100. a ball bearing; 110. a second spring.

Detailed Description

The beam angle of the existing down lamp can not be adjusted, different scene requirements can not be met, applicability is poor, and production cost is increased. Therefore, the present invention provides a new solution, which will be described in detail below with reference to the accompanying drawings for better clarity.

Referring to fig. 1 to 5, a beam angle adjustable down lamp includes a lamp holder 10, a heat sink 20 and a rear cover 30, wherein the lamp holder 10 is fixed to one side of the heat sink 20 by screws, the rear cover 30 is provided with a buckle, the other end of the heat sink 20 is provided with a notch, and the rear cover 30 is fastened to the other side of the heat sink 20.

The heat sink 20 is provided with a light source assembly 40, a movable plate 50 capable of moving along an axial direction of the heat sink 20, a first spring 60 for providing an elastic force for the movable plate 50, and a lens assembly 70 disposed below the light source assembly 40 and fixedly connected to the movable plate 50, the rear cover 30 is provided with a fixed plate 80 and an adjusting switch 90 in sliding fit with the fixed plate 80, the bottom of the adjusting switch 90 is provided with a driving portion 91, the top of the movable plate 50 is provided with a matching portion 51 in transmission fit with the driving portion 91, the adjusting switch 90 is toggled, and the driving portion 91 drives the matching portion 51 to move along the axial direction of the heat sink 20, so as to drive the lens assembly 70 to approach or be away from the light source assembly 40.

The rear cover 30 is provided with a wiring hole for connecting a power line, and a wire buckle 31 is arranged in the wiring hole.

Referring to fig. 2 to 3, the driving unit 91 includes a set of driving blocks arranged in parallel, the driving unit 91 is provided with a first positioning step 911, a second positioning step 912 and a third positioning step 913, a first driving inclined surface 914 is arranged between the first positioning step 911 and the second positioning step 912, and a second driving inclined surface 915 is arranged between the second positioning step 912 and the third positioning step 913. When adjusting switch 90 moves to first location step 911, second location step 912 or third location step 913 with the spacing cooperation of cooperation portion 51, the beam angle can remain fixed for the down lamp of this embodiment can realize that the triangle is adjustable, joyfully satisfies the demand of user to different environment.

Referring to fig. 4, the fixing plate 80 is fixed to the bottom of the rear cover 30 by screw locking, the fixing plate 80 is provided with a first positioning groove 81, a second positioning groove 82 and a third positioning groove 83, the adjustment switch 90 is provided with a ball 100 and a second spring 110 for providing elastic force to the ball 100, the ball 100 is in abutting fit with the fixing plate 80, and the ball 100 can be in limit fit with the first positioning groove 81, the second positioning groove 82 or the third positioning groove 83. When the adjusting switch 90 moves to a corresponding gear, the ball 100 can sink into a corresponding positioning groove to realize position fixing, so that the beam angle is fixed, and the stability of illumination is ensured.

With continued reference to fig. 4, the fixing plate 80 is further provided with a guide slot 84 for the driving part 91 to slide, and the guide slot 84 corresponds to the driving block, i.e. two guide slots are arranged in parallel.

Referring to fig. 2-3, the adjusting switch 90 includes a bottom plate 92 and a shift lever 93 disposed on the top of the bottom plate 92, the driving portion 91 is disposed on the bottom of the bottom plate 92, and the rear cover 30 is provided with a sliding slot 32 for the shift lever 93 to move.

Drive portion 91 both sides are equipped with installation department 94, installation department 94 is equipped with the mounting hole, second spring 110 set up in the mounting hole.

Limit stoppers 95 for preventing the fitting portion 51 from slipping out are provided at both ends of the driving portion 91.

Referring to fig. 1, the lens assembly 70 includes a lens connector 71, a lens body 72 disposed in the lens connector 71, and a surface cover 73 covering the lens connector 71, a connection column 711 fixedly connected to the movable plate 50 is disposed at the top of the lens connector 71, screw holes are disposed in the connection column 711 and the fixing plate 80, and the fixing plate 80 and the lens connector 71 are fastened and fixed by screws.

Light source subassembly 40 includes COB support 41 and is fixed in COB lamp pearl 42 of COB support 41, COB support 41 is equipped with the confession the first hole of stepping down that spliced pole 711 passed.

Be equipped with baffle 21 in the radiator 20, COB support 41 through screw locking fixed set up in the baffle 21 bottom, baffle 21 top is equipped with and is used for the installation the mounting groove of first spring 60, baffle 21 is equipped with the confession the second that spliced pole 711 passed holes of stepping down.

Spring clamps 11 are arranged on two sides of the lamp holder 10, and an anti-dazzle cup 12 is arranged in the lamp holder 10.

The regulation principle of the invention is as follows (from 1 to 3):

referring to fig. 6, the shift lever 93 is shifted, the adjusting switch 90 moves to the leftmost side along the sliding groove 32, the ball 100 is sunk into the third positioning groove 83, the third positioning step 913 is abutted to the matching portion 51, in the moving process, the matching portion 51 drives the movable plate 50 to move downwards under the action of the second driving inclined surface 915 so as to drive the lens assembly 70 to move downwards, the beam angle of the downlight is in a 1-gear state, the distance between the lens assembly 70 and the light source assembly 40 reaches the maximum value, and the irradiation range of the downlight is the minimum (the beam angle is 15 °);

referring to fig. 7, the shift lever 93 is shifted to the right from the 1 st position, the adjusting switch 90 is driven to move to the middle position along the sliding groove 32, the ball 100 is sunk into the second positioning groove 82, the second positioning step 912 is in abutting fit with the matching portion 51, in the moving process, the matching portion 51 drives the movable plate 50 to move upwards under the action of the second driving inclined plane 915 so as to drive the lens assembly 70 to move upwards, the beam angle of the downlight is in the 2 nd position, the distance between the lens assembly 70 and the light source assembly 40 reaches the middle value, and the irradiation range of the downlight is moderate (the beam angle is 24 °);

referring to fig. 8, the shift lever 93 is continuously shifted to the right from the 2-position, the adjustment switch 90 is driven to move rightmost along the slide slot 32, the ball 100 is sunk into the first positioning slot 81, the first positioning step 911 is in abutting fit with the matching portion 51, in the moving process, the matching portion 51 drives the movable plate 50 to move upwards under the action of the first driving inclined surface 914, and further drives the lens assembly 70 to move upwards, at this time, the beam angle of the downlight is in the 3-position state, the distance between the lens assembly 70 and the light source assembly 40 reaches the minimum value, and at this time, the irradiation range of the downlight is the maximum (the beam angle is 36 °);

the process of shifting from 3-gear to 2-gear and shifting from 2-gear to 1-gear is the reverse of the above process, and the principle is the same, and thus the description is omitted.

According to the invention, the beam angle of the down lamp can be changed by driving the lens assembly 70 to be close to or far away from the light source assembly 40 through the adjusting switch 90, and the beam angle of the down lamp can be adjusted according to actual conditions during installation, so that a more ideal illumination effect is achieved, the requirements of customers on different environments or scenes are met, the product applicability is effectively improved, and the production cost is reduced.

Although the present invention has been described in detail in the foregoing embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a down lamp of beam angle adjustable which characterized in that: including lighting fixture, radiator and hou gai, the lighting fixture with the back lid is fixed set up in the radiator both sides, be equipped with the light source subassembly in the radiator, can follow the fly leaf that radiator axial direction removed, do the fly leaf provides the first spring of elastic force and set up in the light source subassembly below and with fly leaf fixed connection's lens subassembly, the back lid be equipped with the fixed plate and with fixed plate sliding fit's regulating switch, the regulating switch bottom is equipped with the drive division, the fly leaf top be equipped with drive division transmission fit's cooperation portion stirs regulating switch, the drive division drive cooperation portion is followed radiator axial displacement, and then drives the lens subassembly is close to or keeps away from the light source subassembly.

2. A downlight of adjustable beam angle according to claim 1, characterized in that: the driving part is provided with a first positioning step, a second positioning step and a third positioning step, a first driving inclined plane is arranged between the first positioning step and the second positioning step, and a second driving inclined plane is arranged between the second positioning step and the third positioning step.

3. A downlight of adjustable beam angle according to claim 2, characterized in that: the fixed plate is provided with a first positioning groove, a second positioning groove and a third positioning groove, the adjusting switch is provided with a ball and a second spring for providing elastic force for the ball, the ball is in butt fit with the fixed plate, and the ball can be in limit fit with the first positioning groove, the second positioning groove or the third positioning groove.

4. A downlight of adjustable beam angle according to claim 1, characterized in that: the fixed plate is also provided with a guide groove for the driving part to slide.

5. A downlight of adjustable beam angle according to claim 1, characterized in that: the adjusting switch comprises a bottom plate and a shifting rod arranged at the top of the bottom plate, the driving part is arranged at the bottom of the bottom plate, and a sliding groove for the shifting rod to move is formed in the rear cover.

6. A downlight of adjustable beam angle according to claim 1, characterized in that: and limit stoppers for preventing the matching part from sliding out are arranged at the two ends of the driving part.

7. A downlight of adjustable beam angle according to claim 1, characterized in that: the lens component comprises a lens connecting piece, a lens body arranged in the lens connecting piece and a face cover covering the lens connecting piece, and a connecting column fixedly connected with the movable plate is arranged at the top of the lens connecting piece.

8. A downlight with adjustable beam angle according to claim 7, wherein: the light source subassembly includes the COB support and is fixed in the COB lamp pearl of COB support, the COB support is equipped with the confession the first hole of stepping down that the spliced pole passed.

9. A downlight adjustable in beam angle according to claim 7, wherein: be equipped with the baffle in the radiator, the COB support fixed set up in the baffle bottom, the baffle top is equipped with and is used for the installation the mounting groove of first spring, the baffle is equipped with the confession the second hole of stepping down that the spliced pole passed.

10. A downlight of adjustable beam angle according to claim 1, characterized in that: spring clips are arranged on two sides of the lamp holder, and an anti-dazzle cup is arranged in the lamp holder.