CN219036514U

CN219036514U - LED projecting lamp with hidden 360 installing support

Info

Publication number: CN219036514U
Application number: CN202222965691.1U
Authority: CN
Inventors: 张献
Original assignee: Qianxun Optoelectronics Technology Suzhou Co ltd
Current assignee: Qianxun Optoelectronics Technology Suzhou Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-16
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses an LED projection lamp with a hidden 360-degree mounting bracket, which comprises a lamp barrel, a round base, an upper and lower angle adjusting rotating arm, a left and right angle adjusting rotating disc and a jackscrew, wherein the upper and lower angle adjusting rotating arm is arranged on the round base; the front part in the lamp tube is provided with an LED assembly, the rear part in the lamp tube is provided with an LED driving assembly, and the front end opening and the rear end opening of the lamp tube are respectively provided with a transparent front cover and a rear cover; the upper and lower angle adjusting rotating arm is connected between the circular base and the lamp cylinder, the circular base is of a hollow structure, the bottom of the circular base is open, and 3 top thread holes are formed in the circumferential side wall of the base; a pair of fixed screw holes are formed in the left-right angle adjusting rotary table, and when the left-right angle adjusting rotary table is located in the bottom opening of the circular base, the left-right angle adjusting rotary table is clamped by screwing 3 jackscrews into 3 jackscrew holes respectively. The utility model adopts the design of the hidden mounting bracket, thereby not only realizing 360 degrees free adjustment of the left and right directions of the LED projection lamp, but also improving the overall aesthetic degree of the LED projection lamp.

Description

LED projecting lamp with hidden 360 installing support

Technical Field

The utility model belongs to the technical field of LED projection lamps, and particularly relates to an LED projection lamp with a hidden 360-degree mounting bracket.

Background

The LED spotlight is also called spotlight, projection lamp, spotlight and the like, and is a spotlight adopting a light emitting diode as a light source. The traditional spot lamp mostly adopts halogen lamp, and luminous efficiency is lower, relatively power consumptive, by the irradiation ambient temperature rise, life is short. The LED spotlight is far superior to the traditional spotlight in the aspects of luminous principle, energy conservation and environmental protection. The LED projection lamp has round and square appearance, is mainly used for special facility illumination such as single building, outer wall illumination of historical building groups, greening landscape illumination, inner light and outer light transmission illumination of buildings, illumination of billboards and the like, and atmosphere illumination of entertainment places such as bars, dance halls and the like, and has considerable market development prospect.

The existing LED projection lamps basically have the function of adjusting the irradiation angle, not only can adjust the angle in the vertical direction, but also can adjust the angle in the left-right direction. The angle adjustment in the up-down direction is usually performed by a rotary joint, and the angle adjustment in the left-right direction is usually performed in the following two ways:

(1) A pair of waist-shaped holes are formed in the LED projection lamp base, the corresponding waist-shaped holes are screwed in through two screws respectively, so that the LED projection lamp is fixed, when the angle adjustment in the left-right direction is needed, the screws are only required to be unscrewed, the LED base is rotated in the range of the waist-shaped holes, and finally, the angle adjustment in the left-right direction can be realized only by screwing the screws again; however, although the limiting is firm, the problem that the waist-shaped hole and the screw on the base are exposed to cause unattractive appearance still exists due to the limited angle adjusting range of the waist-shaped hole;

(2) The base is provided with a hole, the lower end of the rotary joint is used as a rotating shaft to be inserted into the hole of the base, then the rotating shaft is penetrated from two sides of the base through two screws and is clamped by the rotating shaft, so that the rotary joint is fixed, when the angle adjustment in the left-right direction is required, the rotary joint and the lamp tube are rotated in the hole of the base together, and finally, the angle adjustment in the left-right direction can be realized only by screwing the screws again; in the mode, although 360-degree full-angle adjustment can be realized, the limiting firmness is insufficient, and the screw is easy to loosen after a long time.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the LED projection lamp with the hidden 360-degree mounting bracket, which can realize the adjustment of the angle of about 360 degrees and improve the overall aesthetic degree of the LED projection lamp.

In order to solve the technical problems and achieve the technical effects, the utility model is realized by the following technical scheme:

an LED projection lamp with a hidden 360-degree mounting bracket comprises a lamp tube, a round base, an upper and lower angle adjusting rotating arm, a left and right angle adjusting rotating disc and a jackscrew; the front part in the lamp tube is provided with an LED assembly, the rear part in the lamp tube is provided with an LED driving assembly, the upper cover of the front end opening of the lamp tube is provided with a transparent front cover, and the upper cover of the rear end opening of the lamp tube is provided with a rear cover; the upper and lower angle adjusting rotating arm is connected between the upper surface of the circular base and the outer wall of the rear part of the lamp barrel, the inside of the circular base is of a hollow structure, the bottom of the circular base is of an open structure, 3 top wire holes are formed in the circumferential side wall of the circular base, and the 3 top wire holes are uniformly distributed on the circumferential side wall of the circular base; the size of the left and right angle adjusting turntable is slightly smaller than the size of the opening at the bottom of the circular base, and a pair of fixed screw holes are formed in the left and right angle adjusting turntable; during installation, the left and right angle adjusting turntables are fixed on a wall through the cooperation of corresponding fixing screws and the fixing screw holes, the round base is covered on the left and right angle adjusting turntables, so that the left and right angle adjusting turntables are located in the bottom openings of the round base, and after 3 jackscrews are screwed into 3 jackscrew holes respectively, the left and right angle adjusting turntables are clamped by utilizing the principle of three-point positioning.

Further, the circumferential side walls of the left and right angle adjusting turntables are coated with anti-slip materials, so that friction force between the jackscrews and the circumferential side walls of the left and right angle adjusting turntables is improved.

Further, offer the round on the circumference lateral wall of controlling angle adjustment carousel and be used for improving the jackscrew caulking groove of jackscrew clamping degree, the coating has anti-skidding material on the inner wall of jackscrew caulking groove, on the one hand, the jackscrew caulking groove can effectively prevent the slip of jackscrew, on the other hand, anti-skidding material can improve the jackscrew with the frictional force of the circumference lateral wall of controlling angle adjustment carousel.

Further, 3 reinforcing ribs parallel to the axis of the circular base are arranged on the inner circumferential wall of the circular base, 3 reinforcing ribs are uniformly distributed on the inner circumferential wall of the circular base, and 3 jackscrew holes are respectively formed in 3 reinforcing ribs so as to improve the stability of jackscrews after being screwed into the jackscrew holes.

Further, the jackscrew is an inner hexagonal counter bore jackscrew.

Further, a front cover sealing ring is arranged between the transparent front cover and the front end opening of the lamp tube.

Further, a rear cover sealing ring is arranged between the rear cover and the opening at the rear end of the lamp tube.

Further, the upper and lower angle adjusting rotating arm comprises an upper rotating arm, a lower rotating arm and a rotating shaft screw, the upper rotating arm is composed of an upper arm seat and a joint right-handed cover, the lower rotating arm is composed of a lower arm seat and a joint left-handed cover, the bottom of the lower arm seat is fixed on the upper surface of the circular base through corresponding screws, the joint left-handed cover is fixed on the top of the lower arm seat, the top of the upper arm seat is fixed on the lower surface of the lamp cylinder through corresponding screws, the joint right-handed cover is fixed on the bottom of the upper arm seat, a circle of adjusting insection is arranged on the inner sides of discs of the joint left-handed cover and the joint right-handed cover are closed together through the rotating shaft screw, and rotatable engagement is realized through respective adjusting insection.

Further, the inside of the lamp tube is divided into a front cavity and a rear cavity by the middle partition plate, the LED component is positioned in the front cavity, the rear end of the LED component is fixed with the front side surface of the middle partition plate, the front end of the LED component is fixed with the front end opening of the lamp tube, the LED driving component is positioned in the rear cavity, the LED driving component is fixed with the rear side surface of the middle partition plate, and the front end wire of the LED driving component is connected with the LED component after passing through the middle partition plate.

Further, the LED assembly comprises an LED lamp bead assembly, a light reflecting cup mounting seat and a light reflecting cup fixing ring, wherein the LED lamp bead assembly is fixedly mounted on the front side surface of the middle partition plate, all LED lamp beads on the LED lamp bead assembly are aligned with the front end opening direction of the lamp cylinder, the light reflecting cup mounting seat is positioned on the front side of the LED lamp bead assembly, the light reflecting cup is arranged in the light reflecting cup mounting seat, the light reflecting cup fixing ring is fixedly mounted on the inner wall of the front end opening of the lamp cylinder, the rear end surface of the light reflecting cup fixing ring is connected with the front end surface of the light reflecting cup mounting seat, and the light reflecting cup is limited in the light reflecting cup mounting seat through the light reflecting cup fixing ring.

The beneficial effects of the utility model are as follows:

the utility model adopts the design of the hidden mounting bracket, covers the circular base on the mounting plate and locks the circular base through the three counter bore jackscrews, thereby not only realizing 360 degrees of free adjustment in the left-right direction of the LED projection lamp, but also improving the locking firmness of the circular base on the mounting plate in a three-point positioning way, and simultaneously perfectly hiding the mounting plate, thereby improving the overall aesthetic degree of the LED projection lamp.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a perspective view of an external structure of the present utility model;

FIG. 2 is a bottom block diagram of the present utility model;

FIG. 3 is a cross-sectional view of the interior of the light fixture of the present utility model;

FIG. 4 is an exploded view of the internal components of the light fixture of the present utility model;

FIG. 5 is an exploded view of the upper and lower angle adjustment rotary arm, circular base, left and right angle adjustment rotary disc and jackscrew of the present utility model;

FIG. 6 is a bottom view of the circular base of the present utility model;

FIG. 7 is a perspective view of the left and right angle adjustment dial of the present utility model;

FIG. 8 is a cross-sectional view of the left and right angle adjustment dial of the present utility model;

FIG. 9 is a schematic diagram of an embodiment of an LED light bead assembly of the present utility model;

fig. 10 is a schematic structural view of another embodiment of the LED lamp bead assembly of the present utility model.

Detailed Description

The utility model will be described in detail below with reference to the drawings in combination with embodiments. The description herein is to be taken in a providing further understanding of the utility model and is made a part of this application and the exemplary embodiments of the utility model and their description are for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

Referring to fig. 1-3, an LED floodlight with a hidden 360 ° mounting bracket comprises a lamp tube 1, a circular base 2, a vertical angle adjusting rotating arm 3, a horizontal angle adjusting turntable 4 and a jackscrew 9.

Referring to fig. 3, an LED assembly 7 is disposed at the front part in the light tube 1, an LED driving assembly 5 is disposed at the rear part in the light tube 1, a transparent front cover 8 is disposed on the front end opening of the light tube 1, a front cover sealing ring 10 is disposed between the transparent front cover 8 and the front end opening of the light tube 1 to play a sealing role, a rear cover 6 is disposed on the rear end opening upper cover of the light tube 1, and a rear cover sealing ring 11 is disposed between the rear cover 6 and the rear end opening of the light tube 1 to play a sealing role.

Referring to fig. 5, the up-down angle adjusting rotating arm 3 is connected between the upper surface of the circular base 2 and the outer wall of the rear portion of the lamp tube 1, the up-down angle adjusting rotating arm 3 includes a rotating upper arm 301, a rotating lower arm 302 and a rotating shaft screw 303, the rotating upper arm 301 is composed of an upper arm base 3011 and a joint right-hand cap 3012, the rotating lower arm 302 is composed of a lower arm base 3021 and a joint left-hand cap 3022, the bottom of the lower arm base 3021 is fixed on the upper surface of the circular base 2 through corresponding screws, the joint left-hand cap 3022 is fixed on the top of the lower arm base 3021, the top of the upper arm base 3011 is fixed on the lower surface of the lamp tube 1 through corresponding screws, the joint right-hand cap 3012 is fixed on the bottom of the upper arm base 3011, the inner sides of the discs of the joint left-hand cap 3022 and the joint right-hand cap 3012 are respectively provided with a circle of adjusting teeth, and the joint left-hand cap 3022 and the joint right-hand cap 3012 are meshed together through the corresponding screws.

Referring to fig. 6, the inside of the circular base 2 is of a hollow structure, the bottom of the circular base 2 is of an open structure, 3

jackscrew holes

201,3 are formed in the circumferential side wall of the circular base 2, and the jackscrew holes 201 are uniformly distributed on the circumferential side wall of the circular base 2, that is, adjacent 2 jackscrew holes 201 form an included angle of 120 degrees.

Referring to fig. 7-8, the left-right angle adjusting turntable 4 has a ring structure, the outer diameter of the left-right angle adjusting turntable 4 is slightly smaller than the inner diameter of the bottom opening of the circular base 2, and a pair of fixing screw holes 401 are formed in the left-right angle adjusting turntable 4. The circumference outer side wall of the left-right angle adjusting turntable 4 is coated with an anti-slip material, so that the friction force between the jackscrew 9 and the circumference side wall of the left-right angle adjusting turntable 4 is improved. As a preferred embodiment, the circumference lateral wall of the left-right angle adjusting turntable 4 is provided with a circle of jackscrew caulking groove 402 for improving the clamping degree of jackscrews, and the inner wall of the jackscrew caulking groove 402 is coated with an anti-slip material, on one hand, the jackscrew caulking groove 402 can effectively prevent the sliding of the jackscrews 9, and on the other hand, the anti-slip material can improve the friction force between the jackscrews 9 and the circumference lateral wall of the left-right angle adjusting turntable 4.

When the left-right angle adjusting turntable 4 is positioned in the bottom opening of the

circular base

2,3 jackscrews 9 are respectively screwed into 3 jackscrew holes 201, and the left-right angle adjusting turntable 4 is clamped by utilizing the principle of three-point positioning. As a preferred embodiment, the jackscrew 9 is an internal hexagonal counter bore jackscrew, and meanwhile, 3 reinforcing

ribs

202,3 parallel to the axis of the circular base 2 are disposed on the circumferential inner wall of the circular base 2, the reinforcing ribs 202 are uniformly distributed on the circumferential inner wall of the

circular base

2, and 3 jackscrew holes 201 are respectively disposed on 3 reinforcing ribs 202, so as to improve the stability of the jackscrew 9 after being screwed into the jackscrew holes 201.

When the LED floodlight is required to be installed, the left and right angle adjusting turntable 4 is fixed on a wall, the left and right angle adjusting turntable 4 is pressed on the wall to be installed, then the left and right angle adjusting turntable 4 is fixed on the wall through the matching of corresponding fixing screws and fixing screw holes 401, then the lamp barrel 1, the upper and lower angle adjusting rotating arms 3 and the round base 2 are installed and connected together, then the round base 2 is covered on the left and right angle adjusting turntable 4, the left and right angle adjusting turntable 4 is positioned in the bottom opening of the round base 2, and finally the left and right angle adjusting turntable 4 is clamped by utilizing the principle of three-point positioning after 3 jackscrews 9 are screwed into 3 jackscrew holes 201 respectively, so that the fixed installation of the LED floodlight is realized. When the angle in the left-right direction needs to be adjusted, only 3 jackscrews 9 on the circular base 2 are required to be unscrewed, then the circular base 2 rotates around the left-right angle adjusting turntable 4, and when the circular base rotates to a proper angle, 3 jackscrews 9 are required to be screwed again, so that the rapid adjustment of the left-right direction angle of the LED projection lamp is realized.

As a further embodiment, referring to fig. 3, in this embodiment, the interior of the light tube 1 is divided into a front chamber and a rear chamber by a middle partition 12, the middle partition 12 may be fixed to the inner wall of the light tube 1 by welding, or may be integrally formed with the light tube 1, the LED assembly 7 is located in the front chamber, the rear end of the LED assembly 7 is fixed to the front side of the middle partition 12, the front end of the LED assembly 7 is fixed to the front end opening of the light tube 1, the LED driving assembly 5 is located in the rear chamber, and the LED driving assembly 5 is fixed to the rear side of the middle partition 12, and the front wire of the LED driving assembly 5 is connected to the LED assembly 7 after passing through the middle partition 12.

As a further embodiment, as shown in fig. 4, the LED assembly 7 includes an LED lamp bead assembly 701, a light reflecting cup 702, a light reflecting cup mounting seat 703 and a light reflecting cup fixing ring 704, the LED lamp bead assembly 701 is fixedly mounted on the front side surface of the middle partition 12, all LED lamp beads on the LED lamp bead assembly 701 are aligned to the front end opening direction of the lamp tube 1, the light reflecting cup mounting seat 703 is located on the front side of the LED lamp bead assembly 701, the light reflecting cup 702 is disposed in the light reflecting cup mounting seat 703, the light reflecting cup fixing ring 704 is fixedly mounted on the inner wall of the front end opening of the lamp tube 1, the rear end surface of the light reflecting cup fixing ring 704 is connected with the front end surface of the light reflecting cup mounting seat 703, and the light reflecting cup 702 is limited in the light reflecting cup mounting seat 703 through the light reflecting cup fixing ring 704.

As a further embodiment, as shown in fig. 9-10, in this embodiment, the LED lamp bead assembly 701 includes a plurality of LED lamp beads 7011, an LED lamp bead mounting plate 7012, an LED lamp bead PCB board 7013, and LED lamp bead assembly fixing screws 7014, all the LED lamp beads 7011 are embedded on the LED lamp bead mounting plate 7012 and are uniformly distributed, the rear ends of all the LED lamp beads 7011 are connected with the LED lamp bead PCB board 7013, a plurality of LED lamp bead assembly fixing screws 7014 are disposed between the LED lamp bead mounting plate 7012 and the LED lamp bead PCB board 7013, and the LED lamp bead assembly 701 is fixed on the front side surface of the middle partition board 12 by the LED lamp bead assembly fixing screws 7014.

The LED bead assembly 701 may take a variety of forms, such as a 3 bead assembly, an 8 bead assembly, and the like.

Referring to fig. 9, the 3-bead assembly includes 3

LED beads

7011,3, wherein the LED beads 7011 are embedded on the LED bead mounting plate 7012 and uniformly distributed in a delta-shaped structure.

Referring to fig. 10, the 8-bead assembly includes 8

LED beads

7011,8, wherein the LED beads 7011 are embedded on the LED

bead mounting plate

7012, 7 of the LED beads are uniformly distributed in a ring shape, and the remaining 1 is located in the center of the ring structure.

As a further embodiment, referring to fig. 4, in this embodiment, the LED driving assembly 5 includes an LED driver 501, an LED driver mounting bracket 502, an LED driver PCB 503, and a PCB mounting link 504, where the front end of the LED driver mounting bracket 502 is fixedly connected to the rear side of the middle partition 12, the LED driver 501 is fixedly mounted on the LED driver mounting bracket 502, the LED driver PCB 503 is mounted on the LED driver 501, and the PCB mounting link 504 is connected between the LED driver PCB 503 and the LED driver mounting bracket 502.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. LED projecting lamp with hidden 360 installing support, its characterized in that: comprises a lamp tube (1), a round base (2), an upper and lower angle adjusting rotating arm (3), a left and right angle adjusting rotating disc (4) and a jackscrew (9); the LED lamp is characterized in that an LED assembly (7) is arranged at the front part in the lamp tube (1), an LED driving assembly (5) is arranged at the rear part in the lamp tube (1), a transparent front cover (8) is arranged on an upper cover of an opening at the front end of the lamp tube (1), and a rear cover (6) is arranged on an upper cover of an opening at the rear end of the lamp tube (1); the upper and lower angle adjusting rotating arm (3) is connected between the upper surface of the circular base (2) and the outer wall of the rear part of the lamp tube (1), the inside of the circular base (2) is of a hollow structure, the bottom of the circular base (2) is of an open structure, 3 top thread holes (201) are formed in the circumferential side wall of the circular base (2), and the 3 top thread holes (201) are uniformly distributed on the circumferential side wall of the circular base (2); the size of the left and right angle adjusting rotary table (4) is slightly smaller than the size of the opening at the bottom of the circular base (2), and a pair of fixing screw holes (401) for fixing with a wall are formed in the left and right angle adjusting rotary table (4); the left-right angle adjusting rotary table (4) is positioned in the bottom opening of the circular base (2), 1 jackscrew (9) are respectively arranged in 3 jackscrew holes (201), and the 3 jackscrews (9) clamp the left-right angle adjusting rotary table (4) by utilizing the principle of three-point positioning.

2. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: the circumference side wall of the left-right angle adjusting turntable (4) is coated with an anti-slip material.

3. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: a circle of jackscrew caulking groove (402) for improving jackscrew clamping degree is formed in the circumferential side wall of the left-right angle adjusting turntable (4), and an anti-slip material is coated on the inner wall of the jackscrew caulking groove (402).

4. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: the novel round base is characterized in that 3 reinforcing ribs (202) parallel to the axis of the round base (2) are arranged on the circumferential inner wall of the round base (2), the 3 reinforcing ribs (202) are uniformly distributed on the circumferential inner wall of the round base (2), and the 3 jackscrew holes (201) are respectively arranged on the 3 reinforcing ribs (202).

5. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: the jackscrew (9) is an inner hexagonal counter bore jackscrew.

6. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: a front cover sealing ring (10) is arranged between the transparent front cover (8) and the front end opening of the lamp tube (1).

7. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: a rear cover sealing ring (11) is arranged between the rear cover (6) and the rear end opening of the lamp tube (1).

8. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: the upper and lower angle adjusting rotating arm (3) comprises a rotating upper arm (301), a rotating lower arm (302) and a rotating shaft screw (303), the rotating upper arm (301) is composed of an upper arm seat (3011) and a joint right-handed cap (3012), the rotating lower arm (302) is composed of a lower arm seat (3021) and a joint left-handed cap (3022), the bottom of the lower arm seat (3021) is fixed on the upper surface of the circular base (2) through the corresponding screw, the joint left-handed cap (3022) is fixed on the top of the lower arm seat (3021), the top of the upper arm seat (3011) is fixed on the lower surface of the lamp cylinder (1) through the corresponding screw, the joint right-handed cap (3012) is fixed on the bottom of the upper arm seat (3011), the inner sides of discs of the joint left-handed cap (3022) and the joint right-handed cap (3012) are respectively provided with a circle of adjusting insection, and the joint left-handed cap (3022) and the joint right-handed cap (3012) can be meshed together through the rotating shaft screw (3012).

9. The LED projector with a recessed 360 ° mounting bracket of claim 1, wherein: the inside of lamp section of thick bamboo (1) is separated into preceding cavity and back cavity through middle baffle (12), LED subassembly (7) are located in the preceding cavity, just the rear end of LED subassembly (7) with the leading flank of middle baffle (12) is fixed, the front end of LED subassembly (7) with the front end opening of lamp section of thick bamboo (1) is fixed, LED drive assembly (5) are located in the back cavity, just LED drive assembly (5) with the trailing flank of middle baffle (12) is fixed, the front end electric wire of LED drive assembly (5) pass behind middle baffle (12) with LED subassembly (7) are connected.

10. The LED projector with a recessed 360 ° mounting bracket of claim 9, wherein: the LED lamp assembly (7) comprises an LED lamp bead assembly (701), a light reflecting cup (702), a light reflecting cup mounting seat (703) and a light reflecting cup fixing ring (704), wherein the LED lamp bead assembly (701) is fixedly arranged on the front side surface of the middle partition plate (12), all LED lamp beads on the LED lamp bead assembly (701) are aligned to the front end opening direction of the lamp cylinder (1), the light reflecting cup mounting seat (703) is positioned on the front side of the LED lamp bead assembly (701), the light reflecting cup (702) is arranged in the light reflecting cup mounting seat (703), the light reflecting cup fixing ring (704) is fixedly arranged on the inner wall of the front end opening of the lamp cylinder (1), the rear end surface of the light reflecting cup fixing ring (704) is connected with the front end surface of the light reflecting cup mounting seat (703), and the light reflecting cup (702) is limited in the light reflecting cup mounting seat (703) through the light reflecting cup fixing ring (704).