CN210165238U

CN210165238U - Novel LED projecting lamp

Info

Publication number: CN210165238U
Application number: CN201920476698.2U
Authority: CN
Inventors: 欧小芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-03-20
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a novel LED projecting lamp, including the projecting lamp body, the bull stick, the work box, slow down base and installation fixed plate, projecting lamp body fixed connection attaching plate, attaching plate fixed connection bull stick, the projecting lamp body, bull stick and attaching plate intercommunication, fixed mounting gear one on the bull stick, rack plate is connected in gear meshing, rack plate meshes respectively and connects incomplete gear an and incomplete gear b, incomplete gear an and incomplete gear b pass through gear drive and connect driving motor, terminal surface fixed connection slows down the base under the work box, be equipped with fan heater and flabellum in the work box. The utility model discloses a driving motor drive gear group meshing transmission drives incomplete gear an and incomplete gear b meshing transmission rack board and carries out reciprocating motion to the drive bull stick drives the projecting lamp body and carries out the reciprocating motion of certain angle, and heat dissipation cold wind is through hollow bull stick, dispels the heat to the projecting lamp body in chamber, installation cavity and the air cavity of giving vent to anger follow scattered gas hole through admitting air.

Description

Novel LED projecting lamp

Technical Field

The utility model relates to a lighting lamp technical field specifically is a novel LED projecting lamp.

Background

The projection lamp is a lamp with the illumination intensity on the appointed illuminated surface higher than that of the surrounding environment, the LED projection lamp can project light in a large area at a long distance, can aim at any direction and has a structure which is not influenced by weather conditions;

the Chinese patent application No. 201721437191.3 discloses an LED projection lamp disclosed in publication No. CN207407176U, which comprises a bracket, a light-blocking cover, an upper partition plate, a lower partition plate, an LED aluminum substrate, a controller, a fan and a temperature sensor, wherein the light-blocking cover is rotatably arranged on the bracket, an upper cavity is formed between the upper partition plate and the light-blocking cover, two sides of the upper cavity and the light-blocking cover are provided with a plurality of air outlet holes communicated with the upper cavity, a lower cavity is formed between the upper partition plate and the lower partition plate, the upper partition plate is provided with a plurality of vent holes communicated with the upper cavity and the lower cavity, the lower partition plate is provided with a plurality of air inlet holes communicated with the lower cavity, the LED aluminum substrate is arranged on the top surface of the upper partition plate, the controller and the fan are arranged in the lower cavity, the air outlet surface of the fan faces upwards, the temperature sensor is arranged, the temperature sensor detects the temperature in the upper chamber and inputs a detected temperature signal to the controller, and when the temperature in the upper chamber is higher than a preset threshold value, the controller controls the fan to start to work;

above-mentioned patent supports through bottom plate and support, and poor stability is inconvenient carries out fixed mounting to the projecting lamp, and the light projecting angle of projecting lamp can not change, can't satisfy people and need carry out the reciprocal needs of throwing light of certain angle.

Disclosure of Invention

1. Problems to be solved

To current LED projecting lamp poor stability, inconvenient carries out fixed mounting to the projecting lamp, and the light projecting angle of projecting lamp can not change, can't satisfy the problem that people need carry out the needs of the reciprocal light projection of certain angle, the utility model aims to provide a novel LED projecting lamp, through setting up vibration damping mount, improve shock resistance and stability, drive the LED projecting lamp through driving motor drive gear subassembly and carry out the reciprocal rotatory light projection of certain angle circulation to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a novel LED projection lamp comprises a projection lamp body, a rotating rod, a working box, a retarding base and an installation fixing plate, wherein the projection lamp body is fixedly connected with an attaching plate, the attaching plate is fixedly connected with the rotating rod, the rotating rod is rotatably connected with the working box through a sealing bearing and penetrates through the working box, a first gear is fixedly installed on the rotating rod, the first gear is meshed with a rack plate, side gear teeth are uniformly arranged on the upper end surface and the lower end surface of the rack plate, end surface gear teeth are uniformly arranged on the front end surface of the rack plate, a horizontal sliding groove is formed in the rear end surface of the rack plate, the side gear teeth arranged on the upper end surface and the lower end surface of the rack plate are respectively meshed with an incomplete gear a and an incomplete gear b, the incomplete gear a and the incomplete gear b are respectively and fixedly connected with a second rotating shaft and a first rotating shaft, the second rotating shaft and the first rotating shaft are respectively rotatably connected, the fourth gear and the second gear are respectively meshed with the third gear, the third gear is fixedly mounted on the driving shaft, the fourth driving shaft upper end face is fixedly mounted with the fourth slider, the rear end face of the rack plate in sliding connection with the fourth slider is provided with a horizontal chute, the driving shaft passes through the output end of the driving motor in fixed connection with the shaft coupling, the driving motor is fixedly mounted on the inner wall of the working box, the lower end face of the working box is fixedly connected with the slow down base, the side wall of the slow down base is fixedly connected with the mounting fixing plate, the driving motor drives the driving shaft and the third gear to rotate, the third gear is meshed with the driving gear fourth gear and the second gear to rotate oppositely, so that the second rotating shaft and the first rotating shaft reversely rotate, the second rotating shaft and the first rotating shaft drive the incomplete gear a and the incomplete gear b to be meshed with each other, from this drive bull stick drives projecting lamp body and carries out certain angle's reciprocating motion.

As a further aspect of the present invention: the incomplete gear a and the incomplete gear b are the same in size, structure and orientation.

As a further aspect of the present invention: the gear II, the gear III and the gear IV are located on two sides of the gear III and are on the same horizontal line, and the size structures of the gear II, the gear III and the gear IV are completely the same.

As a further aspect of the present invention: the installation fixed plate evenly is equipped with four, and is equipped with the thread fixing hole, the tight set bolt of threaded connection in the thread fixing hole of installation fixed plate uses the tight set bolt to carry out fixed connection to the installation fixed plate.

As a further aspect of the present invention: the bull stick is lower extreme open-ended hollow structure, the bull stick lower extreme passes through the bearing and rotates joint support board, and runs through the backup pad, the backup pad passes through connecting rod fixed connection work bottom of the case portion, the terminal surface is equipped with the heat dissipation motor under the backup pad, heat dissipation motor fixed mounting is in the work bottom of the case portion, the output fixed connection fan heat axle of heat dissipation motor, the epaxial fixed mounting flabellum of heat dissipation, the work end of the case face is equipped with the vent, the dustproof filter screen of fixed mounting in the vent.

As a further aspect of the present invention: the project lamp body is provided with a lamp shell, an LED bulb, a circuit board and a light-transmitting plate, the end surface of the lamp shell is provided with transparent protective glass, a horn-shaped opening is arranged in the end surface of the lamp shell, a reflecting layer is arranged on the inner wall of the lamp shell of the horn-shaped opening, and the bottom is provided with a light transmitting opening, a light transmitting plate is fixedly arranged in the light transmitting opening, an air inlet cavity, an installation cavity and an air outlet cavity are arranged in the lamp shell, the air inlet cavity is communicated with the hollow rotating rod through an air inlet hole, the air inlet hole penetrates through the rotating rod, the attaching plate and the lamp shell, the air inlet cavity and the air outlet cavity are communicated with the mounting cavity through communicating holes, a circuit board is fixedly mounted in the mounting cavity, an LED bulb is arranged on the circuit board, the air outlet cavity is communicated with the outside through an air dispersing hole, impurity filter screens are arranged in the air dispersing hole and the air inlet hole, and the air inlet hole conveys heat dissipation cold air to be discharged from the air dispersing hole through the air inlet cavity, the mounting cavity and the air outlet cavity so as to dissipate heat of high temperature generated in the projection lamp body.

As a further aspect of the present invention: the retarding base comprises a sliding plate, a concave fixing groove, an elastic shock-absorbing sheet layer, a supporting spring and a factory-shaped plate, the sliding plate is fixedly connected with the work box, the sliding plate is in sliding connection with a first vertical sliding groove arranged on the inner wall of the concave fixed groove through a first sliding block, the lower end of the sliding plate is provided with a second sliding chute which is connected with a second sliding block in a sliding way, the second sliding block is fixedly arranged on the horizontal plate surface at the upper end of the plant-type plate, the lower end of the horizontal plate at the upper end of the plant-shaped plate is fixedly connected with a supporting spring, the lower end surface of the supporting spring is fixedly connected with the bottom of the concave fixing groove, the lower end of the inclined plate of the factory-shaped plate is fixedly provided with a connecting lug which is rotationally connected with the mounting shaft, the installation axle passes through the bearing and rotates to be connected the spill fixed slot, and the factory's board slides to both sides when receiving vibrations extrusion, and supporting spring is compressed, and the elastic force of spring carries out the shock attenuation buffering, and elasticity shock attenuation lamella receives the extrusion simultaneously.

As a further aspect of the present invention: the elastic shock absorption sheet layer is made of a plurality of elastic sheets which are fixed into an arc-shaped structure, and the upper end face and the lower end face of the elastic shock absorption sheet layer are respectively and fixedly connected with the sliding plate and the bottom of the concave fixing groove.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a driving motor drives drive shaft and three rotations of gear, gear three meshing drive gear four and gear two is rotatory, gear four and gear two turn to opposite, thereby pivot two and a pivot antiport, pivot two and pivot one drive incomplete gear an and incomplete gear b meshing transmission rack board carry out reciprocating motion, rack board meshing transmission gear one carries out reciprocating rotation, thereby the drive bull stick drives the projecting lamp body and carries out the reciprocating motion of certain angle, heat dissipation motor drive flabellum rotates, heat dissipation cold wind passes through hollow bull stick, through the chamber of admitting air, the installation cavity is got rid of in the scattered air vent with the air outlet chamber, high temperature to this internal production of projecting lamp dispels the heat.

(2) The utility model discloses a slow down the base and be equipped with supporting spring and elasticity shock attenuation lamella, it is right the utility model discloses the vibrations that receive carry out the shock attenuation buffering, improve the utility model discloses a stability, elasticity shock attenuation lamella receives the extrusion simultaneously, and the elastic restoring force of elasticity shock attenuation lamella carries out the shock attenuation buffering, improves the stability of projecting lamp body greatly.

Drawings

Fig. 1 is a schematic structural diagram of a novel LED projection lamp.

Fig. 2 is a schematic view of a cross-sectional internal enlarged structure of a working box in a novel LED projection lamp.

Fig. 3 is a schematic diagram of a locally enlarged structure at a position a in the novel LED projector.

Fig. 4 is a schematic structural diagram of a novel LED projector with a partially enlarged B position.

Fig. 5 is a sectional view of a novel LED projector.

Fig. 6 is a schematic top view of a rack plate and an incomplete gear b connected with an incomplete gear a in the novel LED spot light.

Fig. 7 is a schematic view of a connection structure between a rack plate and a driving motor in a novel LED projection lamp.

In the figure: 1-a lamp housing; 2-a light-reflecting layer; 3-a light-transmitting opening; 4-rotating the rod; 5-a work box; 6-a vent; 7-dustproof filter screen; 8-slowing down the base; 9-mounting a fixed plate; 10-an air inlet cavity; 11-a mounting cavity; 12-LED light bulb; 13-a light-transmitting plate; 14-an air outlet cavity; 15-a circuit board; 16-a hollow venting lumen; 17-a rack plate; 18-a sliding plate; 19-a first slide block; 20-a vertical chute I; 21-a threaded fixing hole; 22-an elastic shock-absorbing sheet layer; 23-a support spring; 24-a mill board; 25-a second sliding block; 26-a binding plate; 27-an air intake; 28-communicating holes; 29-air diffusing holes; 30-end face gear teeth; 31-side gear teeth; 32-a support plate; 33-a heat dissipation motor; 34-gear one; 35-incomplete gear a; 36-incomplete gear b; 37-gear two; 38-rotating shaft one; 39-gear three; 40-a drive motor; 41-a drive shaft; 42-gear four; 43-rotating shaft two; 44-horizontal chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, in the embodiment of the present invention, a novel LED projection lamp includes a projection lamp body, a rotating rod 4, a working box 5, a retarding base 8 and a fixing plate 9, the projection lamp body is fixedly connected to a joint plate 26, the joint plate 26 is fixedly connected to the rotating rod 4, the rotating rod 4 is rotatably connected to the working box 5 through a sealing bearing and penetrates through the working box 5, a first gear 34 is fixedly mounted on the rotating rod 4, the first gear 34 is meshed with a rack plate 17, side gear teeth 31 are uniformly arranged on upper and lower end faces of the rack plate 17, end face gear teeth 30 are uniformly arranged on a front end face of the rack plate 17, a horizontal sliding groove 44 is arranged on a rear end face, the side gear teeth 31 arranged on the upper and lower end faces of the rack plate 17 are respectively meshed with an incomplete gear a35 and an incomplete gear b36, the incomplete gear a35 and an incomplete gear b36 are of the same size and a structural box body, and the orientation is the same, the incomplete gear a, the second rotating shaft 43 and the first rotating shaft 38 are respectively connected with the inner wall of the working box 5 in a rotating way through bearings, the fourth gear 42 and the second gear 37 are respectively and fixedly installed on the second rotating shaft 43 and the first rotating shaft 38, the fourth gear 42 and the second gear 37 are respectively meshed with the third gear 39, the fourth gear 42 and the second gear 37 are located on two sides of the third gear 39 and are on the same horizontal line, the second gear 37, the third gear 39 and the fourth gear 42 are completely identical in size and structure, the third gear 39 is fixedly installed on the driving shaft 41, the fourth slider is fixedly installed on the upper end face of the driving shaft 41, the fourth slider is slidably connected with the rear end face of the rack plate 17 and is provided with a horizontal sliding chute 44, the driving shaft 41 is fixedly connected with the output end of the driving motor 40 through a coupler, the driving motor 40 is fixedly installed on the inner wall of the working box 5, the driving motor 40 drives the driving shaft 41 and the third gear 39, the second rotating shaft 43 and the first rotating shaft 38 rotate reversely, the second rotating shaft 43 and the first rotating shaft 38 drive the incomplete gear a35 and the incomplete gear b36 to engage with the transmission rack plate 17 to reciprocate, the rack plate 17 engages with the transmission gear I34 to reciprocate, the rotating rod 4 is driven from the beginning to drive the projection lamp body to reciprocate at a certain angle, the lower end face of the working box 5 is fixedly connected with the slowing base 8, the side wall of the lower end of the slowing base 8 is fixedly connected with the mounting and fixing plate 9, the mounting and fixing plate 9 is uniformly provided with four threads and provided with thread fixing holes 21, the thread fixing holes 21 of the mounting and fixing plate 9 are internally threaded with the fastening bolts, and the mounting and fixing plate 9 is fixedly connected by;

the rotating rod 4 is of a hollow structure with an opening at the lower end, the lower end of the rotating rod 4 is rotatably connected with the supporting plate 32 through a bearing and penetrates through the supporting plate 32, the supporting plate 32 is fixedly connected with the bottom of the working box 5 through a connecting rod, the supporting plate 32 is arranged to increase the stability of the rotating rod 4, the lower end face of the supporting plate 32 is provided with a heat dissipation motor 33, the heat dissipation motor 33 is fixedly arranged at the bottom of the working box 5, the output end of the heat dissipation motor 33 is fixedly connected with a heat dissipation shaft, a fan blade is fixedly arranged on the heat dissipation shaft, the fan blade is over against the opening at the lower end of the hollow rotating rod 4, the end face of the working box 5 is provided;

the projection lamp body is provided with a lamp shell 1, an LED bulb 12, a circuit board 15 and a light-transmitting plate 13, the end surface of the lamp shell 1 is provided with transparent protective glass, the end surface of the lamp shell 1 is internally provided with a horn-shaped opening, the inner wall of the lamp shell 1 with the horn-shaped opening is provided with a reflecting layer 2, the bottom of the lamp shell is provided with the light-transmitting hole 3, the light-transmitting plate 13 is fixedly arranged in the light-transmitting hole 3, the reflecting layer 2 and the light-transmitting plate 13 have a light-gathering effect to enhance the light-projecting intensity, the lamp shell 1 is internally provided with an air inlet cavity 10, an installation cavity 11 and an air outlet cavity 14, the air inlet cavity 10 is communicated with a hollow rotating rod 4 through an air inlet hole 27, the air inlet hole 27 penetrates through the rotating rod 4, an attaching plate 26 and the lamp shell 1, the air inlet cavity 10 is communicated with the installation cavity 11 through a communicating hole 28, the air inlet 27 conveys heat dissipation cold air to pass through the air inlet cavity 10, the mounting cavity 11 and the air outlet cavity 14 to be discharged from the air dissipation hole 29, so as to dissipate heat of high temperature generated in the projector body, and impurity filter screens are arranged in the air dissipation hole 29 and the air inlet 27;

the heat dissipation motor 33, the driving motor 40 and the LED bulb 12 are electrically connected with a controller, the controller is also electrically connected with a temperature sensor, and the temperature sensor is installed in the installation cavity for temperature monitoring, so that the controller controls the heat dissipation motor 33 to work to dissipate heat generated in the projector body;

the slow-down base 8 comprises a sliding plate 18, a concave fixing groove, an elastic damping sheet layer 22, a supporting spring 23 and a factory-shaped plate 24, the sliding plate 18 is fixedly connected with the work box 5, a first sliding block 19 is fixedly installed on the side edge of the sliding plate 18, the first sliding block 19 is slidably connected with a first vertical sliding groove 20 formed in the inner wall of the concave fixing groove, the elastic damping sheet layer 22 is made of a plurality of elastic sheets which are fixed into an arc-shaped structure, the upper end face and the lower end face of the elastic damping sheet layer 22 are respectively and fixedly connected with the sliding plate 18 and the bottom of the concave fixing groove, a second sliding groove is formed in the lower end of the sliding plate 18;

24 upper end horizontal plate lower extreme fixed connection supporting spring 23 of factory board, terminal surface fixed connection spill fixed slot bottom under supporting spring 23, the hang plate lower extreme fixed mounting engaging lug of factory board, the engaging lug rotates the connection installation axle, the installation axle passes through the bearing and rotates the connection spill fixed slot, it carries out the shock attenuation buffering to the projecting lamp body to slow down base 8 and receive vibrations, receive vibrations sliding plate 18 and move down, make factory board 24 slide to both sides, supporting spring 23 is compressed, the elastic force of spring carries out the shock attenuation buffering, elasticity shock attenuation lamella 22 receives the extrusion simultaneously, elasticity restoring force of elasticity shock attenuation lamella 22 carries out the shock attenuation buffering, improve the stability of projecting lamp body greatly.

The utility model discloses a theory of operation is:

the driving motor 40 drives the driving shaft 41 and the gear wheel three 39 to rotate, the gear wheel three 39 is meshed to drive the gear wheel four 42 and the gear wheel two 37 to rotate, the gear wheel four 42 and the gear wheel two 37 are opposite in direction, so that the rotating shaft two 43 and the rotating shaft one 38 rotate reversely, the rotating shaft two 43 and the rotating shaft one 38 drive the incomplete gear a35 and the incomplete gear b36 to be meshed to drive the rack plate 17 to reciprocate, the rack plate 17 is meshed to drive the transmission gear one 34 to reciprocate, so that the rotating rod 4 is driven to drive the projector body to reciprocate at a certain angle, the heat dissipation motor 33 drives the fan blades to rotate, heat dissipation cold air passes through the hollow rotating rod, is exhausted from the air dissipation hole 29 through the air inlet cavity 10, the mounting cavity 11 and the air outlet cavity 14, dissipates high temperature generated in the projector body, the support spring 23 and the elastic damping sheet layer 22 are arranged on the damping base 8, and, improve the stability of the utility model.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel LED projection lamp comprises a projection lamp body, a rotating rod (4), a working box (5), a retarding base (8) and an installation fixing plate (9), and is characterized in that the projection lamp body is fixedly connected with a binding plate (26), the binding plate (26) is fixedly connected with the rotating rod (4), the rotating rod (4) is rotatably connected with the working box (5) through a sealing bearing and penetrates through the working box (5), a first gear (34) is fixedly installed on the rotating rod (4), the first gear (34) is meshed with a rack plate (17), side gear teeth (31) are uniformly arranged on the upper end surface and the lower end surface of the rack plate (17), end face gear teeth (30) are uniformly arranged on the front end surface of the rack plate (17), a horizontal sliding groove (44) is arranged on the rear end surface, the side gear teeth (31) arranged on the upper end surface and the lower end surface of the rack plate (17) are respectively meshed with an incomplete gear a (35, incomplete gear a (35) and incomplete gear b (36) are two (43) of fixed connection pivot and pivot (38) respectively, pivot two (43) and pivot (38) are respectively through bearing rotation connection work box (5) inner wall, respectively fixed mounting gear four (42) and gear two (37) on pivot two (43) and pivot (38), gear four (42) and gear two (37) mesh respectively and connect gear three (39), gear three (39) fixed mounting is on drive shaft (41), drive shaft (41) up end fixed mounting slider four, slider four sliding connection rack plate (17) rear end face is equipped with horizontal spout (44), drive shaft (41) are through the output of shaft coupling fixed connection driving motor (40), driving motor (40) fixed mounting is on work box (5) inner wall, the end face fixed connection slows down base (8) under work box (5), slow down base (8) lower extreme lateral wall fixed connection installation fixed plate (9).

2. A new type of LED projector as claimed in claim 1, characterized in that said incomplete gear a (35) and incomplete gear b (36) are of the same size and structure and are oriented in the same direction.

3. The novel LED floodlight according to claim 1, wherein the gear four (42) and the gear two (37) are located on two sides of the gear three (39), and on the same horizontal line, the gear two (37), the gear three (39) and the gear four (42) have the same size and structure.

4. The novel LED projection lamp according to claim 1, wherein four mounting and fixing plates (9) are uniformly arranged and provided with threaded fixing holes (21), and the threaded fixing holes (21) of the mounting and fixing plates (9) are internally threaded with fastening bolts.

5. The novel LED projection lamp according to claim 1, wherein the rotating rod (4) is of a hollow structure with an open lower end, the lower end of the rotating rod (4) is rotatably connected with the supporting plate (32) through a bearing and penetrates through the supporting plate (32), the supporting plate (32) is fixedly connected with the bottom of the working box (5) through a connecting rod, a heat dissipation motor (33) is arranged on the lower end face of the supporting plate (32), the heat dissipation motor (33) is fixedly installed at the bottom of the working box (5), the output end of the heat dissipation motor (33) is fixedly connected with a fan shaft, fan blades are fixedly installed on the heat dissipation shaft, a ventilation opening (6) is formed in the end face of the working box (5), and a dustproof filter screen (7) is fixedly installed in the ventilation opening (6).

6. The novel LED projection lamp according to claim 1, wherein the projection lamp body is provided with a lamp housing (1), an LED bulb (12), a circuit board (15) and a light-transmitting plate (13), the end surface of the lamp housing (1) is provided with transparent protective glass, a horn-shaped opening is arranged inside the end surface of the lamp housing (1), the inner wall of the lamp housing (1) with the horn-shaped opening is provided with a light-reflecting layer (2), and the bottom of the lamp housing is provided with a light-transmitting opening (3), the light-transmitting opening (13) is fixedly arranged in the light-transmitting opening (3), an air inlet cavity (10), an installation cavity (11) and an air outlet cavity (14) are arranged in the lamp housing (1), the air inlet cavity (10) is communicated with the hollow rotating rod (4) through an air inlet hole (27), the air inlet hole (27) penetrates through the rotating rod (4), the attachment plate (26) and the lamp housing (1), the air inlet cavity (10), the LED lamp is characterized in that a circuit board (15) is fixedly mounted in the mounting cavity (11), an LED bulb (12) is arranged on the circuit board (15), the air outlet cavity (14) is communicated with the outside through an air dispersing hole (29), and impurity filter screens are arranged in the air dispersing hole (29) and the air inlet hole (27).

7. The novel LED projection lamp according to claim 1, wherein the retarding base (8) comprises a sliding plate (18), a concave fixing groove, an elastic shock-absorbing sheet layer (22), a support spring (23) and a factory-shaped plate (24), the sliding plate (18) is fixedly connected with the work box (5), the sliding plate (18) is slidably connected with a first vertical sliding groove (20) formed in the inner wall of the concave fixing groove through a first sliding block (19), a second sliding groove is formed in the lower end of the sliding plate (18), a second sliding block (25) is slidably connected in the second sliding groove, the second sliding block (25) is fixedly installed on the horizontal plate surface at the upper end of the factory-shaped plate (24), the support spring (23) is fixedly connected to the lower end surface of the upper horizontal plate of the factory-shaped plate (24), the concave fixing groove bottom is fixedly connected to the lower end surface of the support spring (23), and a, the engaging lug rotates and connects the installation axle, the installation axle rotates through the bearing and connects the spill fixed slot.

8. The novel LED spot light according to claim 7, wherein the elastic shock-absorbing sheet layer (22) is made of a plurality of elastic sheets fixed in an arc structure, and the upper and lower end surfaces of the elastic shock-absorbing sheet layer (22) are respectively and fixedly connected with the sliding plate (18) and the bottom of the concave fixing groove.