CN113339723B

CN113339723B - LED wall washer

Info

Publication number: CN113339723B
Application number: CN202110606685.4A
Authority: CN
Inventors: 杨文军
Original assignee: Dongguan Baite Lighting Technology Co ltd
Current assignee: Dongguan Baite Lighting Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-09-09
Anticipated expiration: 2041-05-31
Also published as: CN113339723A

Abstract

The invention relates to an LED wall washing lamp, which comprises a frame body, an installation plate and an LED module, and further comprises a fixed sleeve, wherein one end of the fixed sleeve is fixedly arranged on the frame body, the other end of the fixed sleeve is rotatably arranged on the installation plate through a hinged shaft, the LED module is arranged on the frame body, the installation plate is provided with an installation groove, the installation plate is also provided with a plurality of waist-shaped holes, and the installation plate is also provided with a dismounting mechanism which is used for dismounting and replacing the frame body; the wall washer lamp solves the problem that the wall washer lamp is damaged and troublesome to replace in the using process, and the frame body and the LED module can be quickly replaced through the dismounting mechanism without dismounting the mounting plate after the wall washer lamp is damaged, so that the situation that the screw tightness is reduced due to repeated dismounting of the mounting plate is reduced, the convenience of dismounting and replacing is improved, and the practical application value of the LED wall washer lamp is improved.

Description

LED wall washer

Technical Field

The invention relates to the technical field of lighting equipment, in particular to an LED wall washer.

Background

The LED wall washing lamp is used for washing the wall surface like water, is mainly used for building decoration and illumination, and is also used for outlining large buildings. The LED has the characteristics of energy conservation, high lighting effect, rich colors, long service life and the like, so that the LED wall washer lamp of other light sources is gradually replaced by the LED wall washer lamp after 2013.

In the prior art, the LED wall washer lamp needs to be aligned towards one direction in the use process, and after the LED wall washer lamp is fixed on the step surface, if the LED wall washer lamp is damaged in the use process, the LED wall washer lamp needs to be replaced, but the replacement adopts a mode that the mounting plate is detached from the step surface, so that the whole wall washer lamp is replaced, the detachment process is inconvenient, and resources are wasted;

in order to solve the problems, the invention provides an LED wall washer.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects of the prior art, adapt to the practical requirements and provide an LED wall washer lamp to solve the technical problems.

(2) Technical scheme

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

the utility model provides a LED washes pinup, includes framework, mounting panel and LED module, still includes fixed cover, and fixed cover one end is fixed to be set up in the framework, and the other end passes through the articulated shaft and rotates and install on the mounting panel, and the LED module sets up in the framework, be provided with the mounting groove on the mounting panel, still be provided with a plurality of waist type holes on the mounting panel, still be provided with disassembly body on the mounting panel, disassembly body is used for the framework to dismantle and changes.

Furthermore, the dismounting mechanism comprises shaft grooves and springs, the mounting grooves are provided with shaft grooves corresponding to two sides of the hinge shaft, one of the shaft grooves is provided with the spring, and the other shaft groove penetrates through the mounting grooves.

Furthermore, the disassembling mechanism also comprises a clamping sleeve, a hinged plate, a convex strip, a groove and a clamping plate; the articulated shaft is provided with a plurality of sand grips on the surface, the sand grip has at least two and equidistance and distributes, be provided with a plurality of recesses that correspond the sand grip in the fixed cover, the shaft slot one side that runs through at the mounting panel is articulating the cardboard through the articulated slab simultaneously, and the tip of cardboard is provided with the cutting ferrule, also be provided with a plurality of recesses that correspond the sand grip in the cutting ferrule.

Furthermore, a sealing mechanism is further arranged on the mounting plate and comprises an airbag cushion and a poking plate; the upper surface of the groove of the mounting plate is provided with a v-21274u-shaped airbag cushion, the bottom surface of the airbag cushion is adhered to the mounting plate, and the top surface is provided with a thickening cushion; the hinged shaft is distributed with a poking plate along the circumferential direction, and the poking plate is positioned between the fixed sleeve and the shaft groove.

Furthermore, the poking plate is arc-shaped, and an anti-skid layer is arranged on one surface of the poking plate, which is in contact with the airbag cushion.

Furthermore, a shielding film is bonded on the back surface of the frame body, the outward surface of the shielding film is a color surface, and the color surface is painted with the same color as that of the frame body and the mounting plate.

Furthermore, a guide groove is arranged on one side, close to the penetrating shaft groove, of the groove in the fixing sleeve, and the diameter of the wire groove is gradually reduced until the diameter of the wire groove is equal to that of the groove.

Furthermore, a plurality of counterweight bags are arranged at the lower edge of the shielding film, and liquid is filled in the counterweight bags.

Further, the mounting plate is fixed on an object to be fixed after passing through the kidney-shaped hole through a screw.

(3) Has the advantages that:

A. according to the invention, before installation, holes are punched on the preassembly step surface, the frame body needs to be turned into a horizontal state, then the mounting plate is leaked out, the waist-shaped hole on the mounting plate and the hole on the step surface are fixed through the screw, then the frame body is turned back to be in a vertical state, so that the LED module in the wide area faces the wall surface, and the frame body and the LED module can be quickly replaced through the arranged dismounting mechanism after the pinup is damaged without dismounting the mounting plate, so that the situation that the screw fastening performance of the mounting plate is reduced due to repeated dismounting is reduced, the convenience of dismounting and replacing is also improved, and the practical application value of the LED pinup is improved.

B. When the LED module is damaged and needs to be replaced, after the LED module is damaged and needs to be replaced, a new frame body and the LED module are prepared, then the fixing sleeve is placed at the corresponding shaft groove, then the matched hinge shaft is inserted from one side of the through shaft groove, so that the raised line on the hinge shaft is matched with the groove and is continuously inserted into the other shaft groove and abuts against the spring, then the frame body is adjusted to a required position, the hinge shaft is pressed by a screwdriver, the end face of the hinge shaft is flush with or positioned in the shaft groove, then the clamping sleeve is rotated to the position corresponding to the shaft groove, then the hinge shaft is loosened, the hinge shaft extends out under the counter elasticity of the spring and is sleeved in the clamping sleeve, the raised line is also matched with the groove in the clamping sleeve, and therefore the limiting of the hinge shaft and the fixing sleeve is realized, and the frame body is fixed; through separately designing framework and LED module and mounting panel in this invention, utilize the realization that disassembly body can be convenient to the change of framework on the one hand, and need not to dismantle the mounting panel that has been fixed, the mode of mounting panel need be dismantled repeatedly to prior art of comparison, it is more convenient, on the other hand is when wanting to adjust light angle, can be through the recess cooperation in articulated epaxial sand grip and the buckle, carry out the mechanical locking of joint formula, compare only through hinge joint's framework, relax easily after adjusting angle repeatedly, only can add extra gasket and carry out the mode of fixing, the reliability is higher, it is also more convenient to operate, adjust the precision also higher.

C. After the frame body is replaced, the frame body is pushed to rotate to an upward state, the frame body can be in contact with the air bag cushion and extrude the air bag cushion in the rotating process, the air bag cushion can elastically deform under the extrusion of the frame body, so that the air bag cushion is tightly filled in a gap between the frame body and the mounting plate, the sealing between the frame body and the mounting plate is realized, the possibility of rainwater permeating into the frame body is reduced, the safety of an internal LED module is enhanced, the frame body is positioned above the screws, the screws in the waist-shaped holes are covered, the rain shielding effect is realized, the corrosion degree of the screws by rainwater is reduced, and the convenience of disassembly and assembly is improved when the mounting plate must be disassembled; wherein the articulated shaft can realize the regulation of framework angle through the fixed mode of joint, can drive the board extrusion gasbag pad of dialling again for the gasbag pad is filled sealedly to the space between framework and the mounting panel, makes the rainwater be difficult to enter into the framework bottom and permeates even in the framework, has strengthened the security, and interrelatedness between the mechanism.

Drawings

FIG. 1 is a schematic perspective view of an LED wall washer according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of another angle of an embodiment of an LED wall washer according to the present invention;

FIG. 3 is a schematic top view of an LED wall washer of the present invention;

FIG. 4 is a cross-sectional view of A-A in FIG. 3 of the LED wall washer of the present invention;

fig. 5 is a schematic side view of the LED wall washer in a state of being installed.

The reference numbers are as follows:

1. a frame body; 2. mounting a plate; 21. mounting grooves; 22. a kidney-shaped hole; 3. an LED module; 4. fixing a sleeve; 5. hinging a shaft; 6. a disassembly mechanism; 61. a shaft groove; 62. a spring; 63. a ferrule; 64. a hinge plate; 65. a convex strip; 66. a groove; 67. clamping a plate; 7. a sealing mechanism; 71. an airbag cushion; 72. a poking plate; 8. a screw; 9. a shielding film; 91. color surface; 10. a counterweight package; 11. a liquid; 12. an anti-slip layer; 13. thickening the cushion; 14. a guide groove.

Detailed Description

The invention will be further illustrated with reference to the following figures 1 to 5 and examples:

an LED wall washing lamp comprises a frame body 1, a mounting plate 2, an LED module 3 and a fixing sleeve 4, wherein one end of the fixing sleeve 4 is fixedly arranged on the frame body 1, the other end of the fixing sleeve is rotatably arranged on the mounting plate 2 through a hinge shaft 5, the LED module 3 is arranged on the frame body 1, a mounting groove 21 is formed in the mounting plate 2, a plurality of waist-shaped holes 22 are formed in the mounting plate 2, a dismounting mechanism 6 is further arranged on the mounting plate 2, and the dismounting mechanism 6 is used for dismounting and replacing the frame body 1; the mounting plate 2 is fixed on an object to be fixed after passing through the kidney-shaped hole 22 through a screw 8. According to the invention, before installation, a hole is punched on a preassembly step surface, the frame body 1 needs to be turned to be in a horizontal state, then the mounting plate 2 leaks out, the waist-shaped hole 22 on the mounting plate 2 is fixed with the hole on the step surface through the screw 8, then the frame body 1 is turned back to be in a vertical state, so that the LED module 3 in the width direction faces to the wall surface, and the frame body 1 and the LED module 3 can be quickly replaced through the arranged dismounting mechanism 6 without dismounting the mounting plate 2, the mounting plate 2 and the hinge shaft 5 can be repeatedly utilized to save resources, so that the situation that the screw 8 tightness of the mounting plate 2 is reduced due to repeated dismounting is reduced, the convenience of dismounting and replacing is also improved, and the practical application value of the LED wall washer is improved.

In this embodiment, the detaching mechanism 6 includes a shaft groove 61 and a spring 62, the mounting groove 21 is provided with the shaft groove 61 corresponding to two sides of the hinge shaft 5, one of the shaft grooves 61 is provided with the spring 62, and the other shaft groove 61 is provided in a penetrating manner; the disassembling mechanism 6 also comprises a clamping sleeve 63, a hinged plate 64, a convex strip 65, a groove 66 and a clamping plate 67; the outer surface of the hinge shaft 5 is provided with a plurality of convex strips 65, the convex strips 65 are at least distributed at two equal intervals, a plurality of grooves 66 corresponding to the convex strips 65 are formed in the fixed sleeve 4, meanwhile, one side of a shaft groove 61 through which the mounting plate 2 penetrates is hinged with a clamping plate 67 through a hinge plate 64, the end part of the clamping plate 67 is provided with a clamping sleeve 63, and a plurality of grooves 66 corresponding to the convex strips 65 are also formed in the clamping sleeve 63. When the LED module 3 is damaged and needs to be replaced, after the damage is removed, a new frame body 1 and the LED module 3 are prepared, then the fixing sleeve 4 is placed at the corresponding shaft groove 61, then the matched hinge shaft 5 is inserted from one side of the through shaft groove 61, so that the convex strip 65 on the hinge shaft 5 is matched with the groove 66, and is continuously inserted into the other shaft groove 61 against the spring 62, and then the frame body 1 is adjusted to a desired position, and the hinge shaft 5 is pressed by a screwdriver, the end face of the hinged shaft 5 is flush with the shaft groove 61 or is positioned in the shaft groove 61, the clamping sleeve 63 is rotated to the position corresponding to the shaft groove 61, the hinged shaft 5 is loosened, the hinged shaft 5 extends out under the resilience of the spring 62 and is sleeved in the clamping sleeve 63, the raised lines 65 are matched with the grooves 66 in the clamping sleeve 63, and therefore the limiting of the hinged shaft 5 and the fixed sleeve 4 is realized, and the frame body 1 is fixed; through separately designing framework 1 and LED module 3 and mounting panel 2 in this invention, utilize the realization that disassembly body 6 can be convenient to framework 1's change on the one hand, and need not to dismantle mounting panel 2 that has fixed, compare prior art and need dismantle mounting panel 2's mode repeatedly, it is more convenient, on the other hand is when wanting to adjust the light angle, can cooperate with the recess 66 in the cutting ferrule 63 through sand grip 65 on the articulated shaft 5, carry out the mechanical locking of joint formula, compare only through hinge joint's framework 1, relax easily after relapseing angle regulation, only can add extra gasket and carry out the mode of fixing, the reliability is higher, it is also more convenient to operate, the regulation precision is also higher.

In this embodiment, the mounting plate 2 is further provided with a sealing mechanism 7, and the sealing mechanism 7 includes an airbag cushion 71 and a toggle plate 72; the upper surface of the groove of the mounting plate 2 is provided with a v-shaped 21274airbag cushion 71, the bottom surface of the airbag cushion 71 is adhered to the mounting plate 2, and the top surface is provided with a thickened cushion 13; the toggle plate 72 is distributed on the hinge shaft 5 along the circumferential direction, and the toggle plate 72 is positioned between the fixed sleeve 4 and the shaft groove 61; the toggle plate 72 is formed in an arc shape, and the non-slip layer 12 is provided on the surface of the toggle plate 72 contacting the airbag cushion 71. After the frame body 1 is replaced, the sealing mechanism 7 pushes the frame body 1 to rotate back to an upward state, the frame body 1 can be in contact with the air bag cushion 71 and extrude the air bag cushion 71 in the rotating process, the air bag cushion 71 can elastically deform under the extrusion of the frame body 1, so that the air bag cushion 71 is tightly filled in a gap between the frame body 1 and the mounting plate 2, the sealing between the frame body 1 and the mounting plate 2 is realized, the possibility of rainwater permeating into the frame body 1 is reduced, the safety of the internal LED module 3 is enhanced, the frame body 1 is positioned above the screw 8, the screw 8 in the waist-shaped hole 22 is covered, the function of keeping off rain is realized, the corrosion degree of the screw 8 by rainwater is reduced, and the convenience of disassembly and assembly is improved when the mounting plate 2 needs to be disassembled;

according to the invention, the hinge shaft 5 can realize the angle adjustment of the frame body 1 in a clamping fixing mode, and can drive the toggle plate 72 to extrude the airbag cushion 71, so that the airbag cushion 71 fills and seals the gap between the frame body 1 and the mounting plate 2, rainwater is difficult to enter the bottom of the frame body 1 and even seeps into the frame body 1, the safety is enhanced, and the mechanisms are mutually related.

In this embodiment, a shielding film 9 is bonded to the back surface of the frame 1, and the outward surface of the shielding film 9 is a color surface 91 painted with the same color as the frame 1 and the mounting plate 2; a plurality of counterweight bags 10 are arranged at the lower edge of the shielding film 9, and liquid 11 is filled in the counterweight bags 10. By arranging the shielding film 9, on one hand, the structure at the hinged shaft 5 is shielded and integrated, so that accidents caused by the fact that children snap fingers into gaps are avoided, on the other hand, rainwater can be shielded, the possibility of rainwater permeating into the frame body 1 is further reduced, and the safety of the internal LED module 3 is enhanced; can keep the vertical state of barrier film 9 through the counterweight package 10 that is equipped with to when dismantling and changing framework 1, barrier film 9 can be followed and pull down and recycle many times, paste again on next framework 1 can, and the liquid 11 of the intussuseption of counterweight package 10 can be distilled water or 11 pigments of liquid, and the laminating nature of

liquid

11 and 2 sides of mounting panel is better on the one hand, and 11 pigments of on the other hand can be perceived counterweight package 10 fast and break, thereby in time change.

In this embodiment, the guiding slot 14 is disposed in the groove 66 of the fixing sleeve 4 on the side close to the penetrating shaft slot 61, and the diameter of the guiding slot decreases gradually until the diameter of the guiding slot is equal to the diameter of the groove 66. Through setting up the guide way 14 to in-process penetrating articulated shaft 5 can lead to sand grip 65, makes sand grip 65 quick and fixed inslot 66 in cover 4 well the cooperation, improves the installation rate.

The invention has the beneficial effects that:

according to the invention, before installation, holes are punched on a preassembly step surface, then the frame body 1 needs to be turned into a horizontal state, then the mounting plate 2 is leaked out, then the waist-shaped hole 22 on the mounting plate 2 is fixed with the hole on the step surface through the screw 8, then the frame body 1 is turned back to be in a vertical state, so that the LED module 3 in the width direction faces to the wall surface, and the frame body 1 and the LED module 3 can be quickly replaced through the arranged dismounting mechanism 6 after the pinup is damaged, the mounting plate 2 does not need to be dismounted, so that the situation that the screw 8 tightness is reduced due to repeated dismounting of the mounting plate 2 is reduced, the convenience of dismounting and replacing is also improved, and the practical application value of the LED pinup is improved;

when the LED module 3 is damaged and needs to be replaced, after the damaged LED module is removed, a new frame 1 and the LED module 3 are prepared, then the fixing sleeve 4 is placed at the corresponding shaft groove 61, then the matched hinge shaft 5 is inserted from one side of the through shaft groove 61, so that the convex strip 65 on the hinge shaft 5 is matched with the groove 66, and is continuously inserted into the other shaft groove 61 against the spring 62, and then the frame body 1 is adjusted to a desired position, and the hinge shaft 5 is pressed by a screwdriver, the end face of the hinged shaft 5 is flush with the shaft groove 61 or is positioned in the shaft groove 61, the clamping sleeve 63 is rotated to the position corresponding to the shaft groove 61, the hinged shaft 5 is loosened, the hinged shaft 5 extends out under the resilience of the spring 62 and is sleeved in the clamping sleeve 63, the raised lines 65 are matched with the grooves 66 in the clamping sleeve 63, and therefore the limiting of the hinged shaft 5 and the fixed sleeve 4 is realized, and the frame body 1 is fixed; according to the portable LED lamp holder, the frame body 1 and the LED module 3 are designed separately from the mounting plate 2, on one hand, the frame body 1 can be replaced conveniently by the aid of the dismounting mechanism 6, the mounting plate 2 which is fixed well does not need to be dismounted, compared with a mode that the mounting plate 2 needs to be dismounted repeatedly in the prior art, the portable LED lamp holder is quicker and more convenient, on the other hand, when a light angle needs to be adjusted, a convex strip 65 on the hinge shaft 5 is matched with a groove 66 in a clamping sleeve 63 to lock the clamping type mechanically, compared with the frame body 1 which is hinged only through a hinge, the frame body 1 is easy to loosen after the angle is adjusted repeatedly, only an extra gasket can be added to fix the portable LED lamp holder, the portable LED lamp holder is higher in reliability, more convenient to operate and higher in adjusting precision;

after the frame body 1 is replaced, the frame body 1 is pushed to rotate back to the upward state, the frame body 1 can be in contact with the airbag cushion 71 and extrude the airbag cushion 71 in the rotating process, the airbag cushion 71 can elastically deform under the extrusion of the frame body 1, so that the airbag cushion 71 is tightly filled in a gap between the frame body 1 and the mounting plate 2, the sealing between the frame body 1 and the mounting plate 2 is realized, the possibility of rainwater permeating into the frame body 1 is reduced, the safety of the internal LED module 3 is enhanced, the frame body 1 is positioned above the screw 8, the screw 8 in the waist-shaped hole 22 is covered, the rain shielding effect is realized, the corrosion degree of the screw 8 by the rainwater is reduced, and the convenience in disassembly and assembly is improved when the mounting plate 2 must be disassembled;

according to the invention, the hinge shaft 5 can realize the angle adjustment of the frame body 1 in a clamping fixing mode, and can drive the toggle plate 72 to extrude the airbag cushion 71, so that the airbag cushion 71 can fill and seal the gap between the frame body 1 and the mounting plate 2, rainwater is difficult to enter the bottom of the frame body 1 and even seep into the frame body 1, the safety is enhanced, and the mechanisms are mutually related;

by arranging the shielding film 9, on one hand, the structure at the position of the hinge shaft 5 is shielded and integrated, so that accidents caused by that children snap fingers into a gap are avoided, on the other hand, rainwater can be shielded, the possibility of rainwater permeating into the frame body 1 is further reduced, and the safety of the internal LED module 3 is enhanced; can keep the vertical state of barrier film 9 through the counterweight package 10 that is equipped with to when dismantling and changing framework 1, barrier film 9 can be followed and pull down and recycle many times, paste again on next framework 1 can, and the liquid 11 of the intussuseption of counterweight package 10 can be distilled water or 11 pigments of liquid, and the laminating nature of

liquid

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. The LED wall washing lamp comprises a frame body (1), a mounting plate (2) and an LED module (3), and is characterized by further comprising a fixing sleeve (4), wherein one end of the fixing sleeve (4) is fixedly arranged on the frame body (1), the other end of the fixing sleeve is rotatably arranged on the mounting plate (2) through a hinge shaft (5), the LED module (3) is arranged on the frame body (1), the mounting plate (2) is provided with a mounting groove (21), the mounting plate (2) is also provided with a plurality of waist-shaped holes (22), the mounting plate (2) is also provided with a dismounting mechanism (6), and the dismounting mechanism (6) is used for dismounting and replacing the frame body (1); the dismounting mechanism (6) comprises shaft grooves (61) and springs (62), the shaft grooves (61) are arranged on the mounting groove (21) corresponding to the two sides of the hinge shaft (5), the spring (62) is arranged in one shaft groove (61), and the other shaft groove (61) penetrates through the mounting groove; the disassembling mechanism (6) also comprises a clamping sleeve (63), a hinge plate (64), a convex strip (65), a groove (66) and a clamping plate (67); a plurality of convex strips (65) are arranged on the outer surface of the hinge shaft (5), at least two convex strips (65) are distributed at equal intervals, a plurality of grooves (66) corresponding to the convex strips (65) are arranged in the fixing sleeve (4), meanwhile, a clamping plate (67) is hinged on one side of a shaft groove (61) penetrated by the mounting plate (2) through a hinge plate (64), a clamping sleeve (63) is arranged at the end part of the clamping plate (67), and a plurality of grooves (66) corresponding to the convex strips (65) are also arranged in the clamping sleeve (63); the mounting plate (2) is also provided with a sealing mechanism (7), and the sealing mechanism (7) comprises an airbag cushion (71) and a poking plate (72); the upper surface of the groove of the mounting plate (2) is provided with a v-21274, -shaped airbag cushion (71), the bottom surface of the airbag cushion (71) is adhered to the mounting plate (2), and the top surface is provided with a thickening cushion (13); the toggle plate (72) is distributed on the hinge shaft (5) along the circumferential direction, and the toggle plate (72) is positioned between the fixed sleeve (4) and the shaft groove (61); the articulated shaft (5) can realize the angle adjustment of the frame body (1) through the fixed mode of joint, can drive the stirring plate (72) again and extrude the airbag cushion (71), and the airbag cushion (71) is sealed to filling in the space between the frame body (1) and the mounting plate (2).

2. The LED wall washer according to claim 1, wherein: the poking plate (72) is arranged in an arc shape, and the surface of the poking plate (72) contacted with the airbag cushion (71) is provided with an antiskid layer (12).

3. The LED wall washer according to claim 1, wherein: a shielding film (9) is adhered to the back surface of the frame body (1), the outward surface of the shielding film (9) is provided with a color surface (91), and the color surface is painted with the same color as that of the frame body (1) and the mounting plate (2).

4. The LED wall washer according to claim 1, wherein: one side of the groove (66) in the fixed sleeve (4) close to the through shaft groove (61) is provided with a guide groove (14), and the diameter of the guide groove (14) is gradually reduced until the diameter of the guide groove is equal to that of the groove (66).

5. The LED wall washer according to claim 1, wherein: a plurality of counterweight bags (10) are arranged at the lower edge of the shielding film (9), and liquid (11) is filled in the counterweight bags (10).

6. The LED wall washer according to claim 1, wherein: the mounting plate (2) passes through the waist-shaped hole (22) through a screw (8) and then is fixed on an object to be fixed.