A display projection lamp capable of conveniently adjusting and installing

By designing convenient installation, replacement and adjustment mechanism, the problem of time-consuming and troublesome existing projector lamps during the replacement and disassembly of the lamps is solved, and the image size is adjusted, improving the diversity of the device and the convenience of use.

CN222719797UActive Publication Date: 2025-04-04WUHAN YANTU EDUCATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420454877.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-11
Publication Date
2025-04-04
Estimated Expiration
2034-03-11

AI Technical Summary

Technical Problem

The existing projector lamps are time-consuming during the replacement and disassembly of the lamps, and the distance between the lamps and the imaging lens cannot be adjusted, resulting in the image size being unable to be adjusted.

Method used

A projection lamp including an installation mechanism, a replacement mechanism and an adjustment mechanism is designed. The installation mechanism facilitates connection and removal of the body and the mounting bracket through the installation chute, tie rod and limit column. The replacement mechanism is conveniently replaced and fixed with the lamp through the cylinder edge, installation slot and limit block. The adjustment mechanism facilitates the distance between the lamp and the imaging lens through the movable cavity, the movable sleeve and the guide cavity.

Benefits of technology

It realizes convenient disassembly and assembly of projector lamps and light replacement, improves installation speed and fixing efficiency, and allows adjustment of image size, increasing the diversity of the device and ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a display projection lamp that can be conveniently adjusted and installed, belonging to the technical field of projection lamps, including a mounting bracket, a body, a focusing lens, a radiator, an LED lamp bead, a threaded groove seat, an imaging lens, a movable bracket, a power supply, a motor, and a pulley. The mounting bracket has a body outside, and a slot is provided at the bottom of the body. The front end of the body is threadedly connected with the focusing lens, the end of the body is threadedly connected with the radiator, one side of the radiator is equipped with an LED lamp bead, and one side of the radiator is provided with a threaded groove seat near the outside of the LED lamp bead. The utility model sets an adjustment mechanism, and through the coordinated use of the movable cavity, the movable sleeve, the guide cavity, and the guide rod, the movable sleeve can be prevented from rotating under the drive of the motor, and at the same time, the position of the installed lamp sheet can be conveniently adjusted, so that the size of the projected pattern can be adjusted by adjusting the distance between the lamp sheet and the imaging lens.
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Description

Technical Field

[0001] The utility model belongs to the technical field of projection lamps, in particular to a display projection lamp which can be conveniently adjusted and installed. Background Art

[0002] Projection lamps are devices for projecting static and dynamic images and are widely used in people's daily lives and workplaces. In existing products, dynamic projection images are achieved by rotating static pictures, not animations. Currently, there are no low-cost, reliable animation projection lamps on the market that can achieve animation projection effects of more than 40 frames, clear images, no flicker, and comfortable viewing.

[0003] After research and analysis, it was found that the existing projection lamps fix the lamp piece by placing it into a special lamp piece slot and then inserting a fixing ring. Since the fixing ring is ring-shaped and thin, it is difficult to remove from the lamp piece slot, which makes it troublesome to remove the fixing ring when replacing the lamp piece. In addition, the existing projection lamp and its adjustment are connected by bolts. Therefore, when the projection lamp needs to be disassembled, it is necessary to unscrew the bolts to disassemble it, which is troublesome and time-consuming. In addition, the position of the lamp piece installed in the existing projection lamp is fixed, so the distance between the lamp piece and the imaging lens cannot be adjusted, which makes the size of the projected image unable to be adjusted and lacks diversity. Utility Model Content

[0004] The purpose of the utility model is to provide a display projection lamp that can be easily adjusted and installed in order to solve the problems that the size of the pattern cannot be adjusted, the lamp sheet is troublesome to replace, and the projection lamp is troublesome to disassemble and assemble.

[0005] The technical solution adopted by the utility model is as follows: a display projection lamp that can be easily adjusted and installed, including a mounting bracket, a body, a focusing lens, a radiator, an LED lamp bead, a threaded groove seat, an imaging lens, a movable bracket, a power supply, a motor, and a pulley. The mounting bracket has a body outside, and a slot is provided at the bottom of the body. The front end of the body is threadedly connected with the focusing lens, the end of the body is threadedly connected with the radiator, one side of the radiator is equipped with an LED lamp bead, one side of the radiator is provided with a threaded groove seat near the outside of the LED lamp bead, the inner side of the threaded groove seat is threadedly connected with the imaging lens, the top of the body is installed with a power supply through a movable bracket, the bottom of the body is movably installed with a motor, one end of the output shaft of the motor is installed with a pulley, the outside of the body is provided with a mounting mechanism that can conveniently connect the body to the mounting bracket, and the inside of the body is provided with a replacement mechanism that can conveniently replace the lamp sheet and an adjustment mechanism that can adjust the position of the lamp sheet.

[0006] Among them, the installation mechanism includes an installation groove, a pull rod, a limit column, an installation slider, and a limit slot, wherein a mounting groove is installed at the bottom of the mounting bracket, pull rods are elastically connected on both sides of the top of the mounting groove, and a limit column is arranged at the bottom of the pull rod. An installation slider is installed on the top of the power supply, and the cross-section of the installation slider is T-shaped, and the installation slider and the installation groove are slidingly fitted, and limiting slots are arranged on both sides of the top of the installation slider, and the limit columns penetrate the installation groove and fit with the limit slots.

[0007] Among them, the replacement mechanism includes a barrel edge, a mounting groove, a limit block, a movable frame, a pressure plate, a pressure pad, a lamp piece, a limit groove, and a threaded rotating rod, wherein the body has a barrel edge on the outside, and one side of the barrel edge is connected to the front end of the movable sleeve, the barrel edge is rotatably provided with a mounting groove on one side, and limit blocks are provided on both sides of the mounting groove, and movable frames are installed on the inner walls of both sides of the mounting groove through torsion springs, a pressure plate is installed at the front end of the movable frame, and a pressure pad is fitted on the surface of the pressure plate, a lamp piece is movably installed inside the mounting groove, and the lamp piece and the mounting groove are matched, limit grooves are provided on both sides of the back of the lamp piece, and the limit grooves and the limit blocks are matched, a threaded rotating rod is rotatably provided at the bottom of the body, and the threaded rotating rod is threadedly connected to the outer shell of the motor through a slider, and the pulley is transmitted through a belt and the mounting groove.

[0008] Among them, the adjustment mechanism includes a movable cavity, a movable sleeve, a guide cavity, and a guide rod, wherein a movable cavity is arranged inside the outer wall of the front end of the imaging lens, a movable sleeve is movably arranged inside the movable cavity, and the outer walls on both sides of the movable sleeve are arranged with limited fixing grooves, and elastic rods are elastically connected to both sides of the imaging lens, and the elastic rods extend into the movable cavity, and the elastic rods are matched with the limited fixing grooves, guide cavities are arranged on both sides of the movable cavity, and guide rods are arranged at both ends of one side of the movable sleeve, and the guide rods move inside the corresponding guide cavities.

[0009] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0010] 1. In the utility model, by setting up the installation mechanism, through the coordinated use of the installation slide groove, the pull rod, the limit column, the installation slider, and the limit slot, the body can be conveniently connected to the installation bracket, and the device can be conveniently disassembled and assembled in subsequent use, which is convenient for maintenance of the device and improves the installation speed and fixing efficiency.

[0011] 2. In the utility model, by setting up a replacement mechanism, through the coordinated use of the tube edge, the mounting groove, the limit block, the movable frame, the pressure plate, the pressure pad, the lamp piece, the limit groove, and the threaded rotating rod, the lamp piece can be replaced and fixed conveniently and quickly, and the position of the motor can be adjusted according to the adjusted lamp piece position, thereby improving the speed of the replacement operation and making the use of the device more convenient and diverse.

[0012] 3. In the utility model, by setting an adjustment mechanism, through the coordinated use of the movable cavity, the movable sleeve, the guide cavity, and the guide rod, the movable sleeve can be prevented from rotating under the drive of the motor, and the position of the installed light sheet can be conveniently adjusted, so that the size of the projected pattern can be adjusted by adjusting the distance between the light sheet and the imaging lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram showing the overall structure of the utility model;

[0015] Figure 3 For this utility model Figure 2 The enlarged schematic diagram of the structure at A in the middle;

[0016] Figure 4 For this utility model Figure 2 The enlarged schematic diagram of the structure at B in the middle;

[0017] Figure 5 For this utility model Figure 4 The enlarged structural diagram at point C in the middle.

[0018] Markings in the figure: 1. Mounting bracket; 101. Mounting slide; 102. Pull rod; 103. Limiting column; 2. Body; 201. Focusing lens; 202. Radiator; 203. LED lamp bead; 204. Threaded groove seat; 205. Imaging lens; 2051. Movable cavity; 206. Movable bracket; 207. Power supply; 3. Movable sleeve; 301. Tube edge; 302. Mounting groove; 3021. Limiting block; 303. Movable frame; 304. Pressing plate; 305. Pressing pad; 4. Lamp sheet; 401. Limiting groove; 5. Guide cavity; 501. Guide rod; 6. Mounting slider; 601. Limiting slot; 7. Threaded rotating rod; 701. Motor; 702. Pulley. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0020] Reference Figure 1-5 A display projection lamp that can be conveniently adjusted and installed includes a mounting bracket 1, a body 2, a focusing lens 201, a radiator 202, an LED lamp bead 203, a threaded groove seat 204, an imaging lens 205, a movable bracket 206, a power supply 207, a motor 701, and a pulley 702. The mounting bracket 1 is provided with a body 2 outside, and a groove is provided at the bottom of the body 2. The front end of the body 2 is threadedly connected with the focusing lens 201, and the end of the body 2 is threadedly connected with the radiator 202. The LED lamp bead 203 is installed on one side of the radiator 202. The radiator 20 A threaded groove seat 204 is arranged on one side of the body 2 near the outer side of the LED lamp bead 203, and an imaging lens 205 is threadedly connected to the inner side of the threaded groove seat 204. A power supply 207 is installed on the top of the body 2 through a movable bracket 206. A motor 701 is movably installed on the bottom of the body 2, and a pulley 702 is installed on one end of the output shaft of the motor 701. A mounting mechanism for conveniently connecting the body 2 to the mounting bracket 1 is arranged on the outer side of the body 2, and a replacement mechanism for conveniently replacing the lamp sheet 4 and an adjustment mechanism for adjusting the position of the lamp sheet 4 are arranged inside the body 2.

[0021] Reference Figure 1 , 2 , 4, 5. In the present embodiment, the mounting mechanism comprises a mounting slot 101, a pull rod 102, a limiting column 103, a mounting slide block 6 and a limiting slot 601, wherein a mounting slot 101 is mounted at the bottom of the mounting bracket 1, pull rods 102 are elastically connected to both sides of the top of the mounting slot 101, limiting columns 103 are arranged at the bottom of the pull rod 102, a mounting slide block 6 is mounted at the top of the power supply 207, and the cross section of the mounting slide block 6 is T-shaped, and the mounting slide block 6 and the mounting slot 101 are slidingly fitted, limiting slots 601 are arranged at both sides of the top of the mounting slide block 6, and the limiting columns 103 penetrate the mounting slot 101 and fit with the limiting slots 601, the staff pulls out the two pull rods 102 and slides the mounting slide block 6 into the mounting slot 101, and then releases the pull rod 102 to make the limiting columns 103 pop out under the action of the spring and fit with the corresponding limiting slots 601, thereby completing the installation and fixation of the entire body 2.

[0022] Reference Figure 1 , 2In this embodiment, the replacement mechanism includes a barrel edge 301, a mounting groove 302, a limit block 3021, a movable frame 303, a pressure plate 304, a pressure pad 305, a light sheet 4, a limit groove 401, and a threaded rotating rod 7, wherein a barrel edge 301 is provided on the outside of the body 2, and one side of the barrel edge 301 is connected to the front end of the movable sleeve 3, a mounting groove 302 is rotatably provided on one side of the barrel edge 301, both sides of the inside of the mounting groove 302 are provided with limit blocks 3021, both sides of the inner wall of the mounting groove 302 are provided with a movable frame 303 through a torsion spring, a pressure plate 304 is installed at the front end of the movable frame 303, and a pressure pad 305 is provided on the surface of the pressure plate 304, a light sheet 4 is movably installed inside the mounting groove 302, and the light sheet 4 is connected to the mounting groove 30 2 are fitted together, limiting grooves 401 are set on both sides of the back of the lamp piece 4, and the limiting grooves 401 and the limiting blocks 3021 are fitted together, a threaded rotating rod 7 is rotatably set at the bottom of the body 2, and the threaded rotating rod 7 is threadedly connected to the shell of the motor 701 through a slider, and the pulley 702 is transmitted to the installation groove 302 through a belt. The staff pry open the movable frames 303 on both sides of the installation groove 302 under the action of the torsion spring, release the pressing and fixing of the lamp piece 4 by the pressure plate 304, then take out the lamp piece 4 and put the new lamp piece 4 into the installation groove 302, and then release the movable frame 303 so that it drives the pressure plate 304 to return to press and fix the lamp piece 4 under the action of the torsion spring.

[0023] Reference Figure 2 , 4 In this embodiment, the adjustment mechanism includes an active cavity 2051, an active sleeve 3, a guide cavity 5, and a guide rod 501, wherein an active cavity 2051 is arranged inside the outer wall of the front end of the imaging lens 205, and an active sleeve 3 is movably arranged inside the active cavity 2051, and both sides of the outer walls of the active sleeve 3 are provided with limited fixing grooves, and both sides of the imaging lens 205 are elastically connected with elastic rods, and the elastic rods extend into the active cavity 2051, and the elastic rods are matched with the limited fixing grooves, and both sides of the active cavity 2051 are provided with guide cavities 5, and both ends of one side of the active sleeve 3 are provided with guide rods 501, and the guide rods 501 are in the corresponding guide cavity 5. The staff pulls out the spring rods on both sides of the imaging lens 205, and then makes the movable sleeve 3 drive the installed light sheet 4 to move in the movable cavity 2051, and adjusts the distance between the imaging lens 205 and the light sheet 4, and can adjust the size of the subsequently projected graphics. Then, loosen the spring rods to make them fit with the corresponding limit fixing grooves, fix the movable sleeve 3, and then pull the belt out through the slot at the bottom of the body 2. After that, the staff turns to the threaded rotating rod 7 to drive the motor 701 to move, so that the position of the pulley 702 is opposite to the installation groove 302, and then the staff puts the other end of the belt on the pulley 702.

[0024] Reference Figure 1 , 2In this embodiment, the heat sink 202, the LED lamp bead 203, the power supply 207, and the motor 701 are all electrically connected to an external power supply.

[0025] Working principle: First, the staff pry open the movable frames 303 on both sides of the installation slot 302 under the action of the torsion spring, release the pressing and fixing of the lamp sheet 4 by the pressure plate 304, then, the staff takes out the lamp sheet 4 and puts the new lamp sheet 4 into the installation slot 302, then, loosen the movable frame 303 so that it drives the pressure plate 304 to return to its position under the action of the torsion spring to press and fix the lamp sheet 4, then, the staff pulls out the spring rods on both sides of the imaging lens 205, and then drives the installed lamp sheet 4 to move in the movable cavity 2051 by the movable sleeve 3, and adjusts the distance between the imaging lens 205 and the lamp sheet 4, and the size of the subsequently projected graphics can be adjusted, then, loosen the spring rod so that it fits with the corresponding limit fixing groove, fixes the movable sleeve 3, then, the staff puts the belt on the outside of the installation slot 302 and screws the radiator 202 into the body 2, and then passes the belt through the body 2 is pulled out, then the staff turns to the threaded rotating rod 7 to drive the motor 701 to move, so that the position of the pulley 702 is opposite to the rotatable installation groove 302, and then the staff puts the other end of the belt on the pulley 702. Finally, the staff pulls out the two pull rods 102 and slides the installation slider 6 into the installation slide groove 101, and then loosens the pull rod 102 to make the limit column 103 pop out under the action of the spring and fit with the corresponding limit slot 601, completing the installation and fixation of the whole body 2. After that, the staff turns on the LED lamp bead 203 by starting the switch of the power supply 207. The light emitted by the LED lamp bead 203 passes through the imaging lens 205 through the light sheet 4 and is finally projected onto the surface of the object in front through the lens of the focusing lens 201. By starting the motor 701, the light sheet 4 can be driven to rotate under the transmission of the belt, thereby rotating the projected image.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A display projection lamp that can be conveniently adjusted and installed, comprising a mounting bracket (1), a body (2), a focusing lens (201), a heat sink (202), an LED lamp bead (203), a threaded groove seat (204), an imaging lens (205), a movable bracket (206), a power supply (207), a motor (701), and a pulley (702), wherein the mounting bracket (1) is externally connected to the body (2), and a groove is provided at the bottom of the body (2), the front end of the body (2) is threadedly connected to the focusing lens (201), and the rear end of the body (2) is threadedly connected to A heat sink (202), an LED lamp bead (203) is mounted on one side of the heat sink (202), a threaded groove seat (204) is arranged on one side of the heat sink (202) near the outer side of the LED lamp bead (203), an imaging lens (205) is threadedly connected to the inner side of the threaded groove seat (204), a power source (207) is mounted on the top of the body (2) via a movable bracket (206), a motor (701) is movably mounted on the bottom of the body (2), and a pulley (702) is mounted on one end of the output shaft of the motor (701), characterized in that: The outside of the machine body (2) is provided with a mounting mechanism capable of conveniently connecting the machine body (2) to the mounting bracket (1), and the inside of the machine body (2) is provided with a replacement mechanism capable of conveniently replacing the light sheet (4) and an adjustment mechanism capable of adjusting the position of the light sheet (4).

2. A conveniently adjustable display projection lamp as claimed in claim 1, characterized in that: The mounting mechanism comprises a mounting groove (101), a pull rod (102), a limiting column (103), a mounting slider (6), and a limiting slot (601), wherein a mounting groove (101) is mounted at the bottom of the mounting bracket (1), both sides of the top of the mounting groove (101) are elastically connected to pull rods (102), a limiting column (103) is arranged at the bottom of the pull rod (102), a mounting slider (6) is mounted at the top of the power supply (207), and both sides of the top of the mounting slider (6) are arranged with limiting slots (601).

3. The display projection lamp that can be conveniently adjusted and installed as claimed in claim 1, characterized in that: The replacement mechanism comprises a barrel edge (301), a mounting groove (302), a limit block (3021), a movable frame (303), a pressure plate (304), a pressure pad (305), a light sheet (4), a limit groove (401), and a threaded rotating rod (7), wherein the body (2) has a barrel edge (301) on the outside, a mounting groove (302) is rotatably provided on one side of the barrel edge (301), limit blocks (3021) are provided on both sides of the mounting groove (302), the movable frame (303) is installed on the inner walls of both sides of the mounting groove (302) via torsion springs, a pressure plate (304) is installed at the front end of the movable frame (303), a pressure pad (305) is provided on the surface of the pressure plate (304), a light sheet (4) is movably installed in the mounting groove (302), limit grooves (401) are provided on both sides of the back of the light sheet (4), and a threaded rotating rod (7) is rotatably provided at the bottom of the body (2).

4. The display projection lamp that can be conveniently adjusted and installed as claimed in claim 1, characterized in that: The adjustment mechanism comprises a movable cavity (2051), a movable sleeve (3), a guide cavity (5), and a guide rod (501), wherein the movable cavity (2051) is arranged inside the outer wall of the front end of the imaging lens (205), the movable sleeve (3) is movably arranged inside the movable cavity (2051), guide cavities (5) are arranged on both sides of the movable cavity (2051), and guide rods (501) are arranged on both ends of one side of the movable sleeve (3).

5. The display projection lamp that can be conveniently adjusted and installed as claimed in claim 2, characterized in that: The cross section of the installation slide block (6) is T-shaped, and the installation slide block (6) and the installation slide groove (101) are arranged to be slidingly engaged, and the limiting column (103) penetrates the installation slide groove (101) and is engaged with the limiting slot (601).

6. The display projection lamp capable of convenient adjustment and installation as claimed in claim 3, characterized in that: The limiting groove (401) and the limiting block (3021) are arranged in a matching manner, and the lamp sheet (4) and the mounting groove (302) are arranged in a matching manner, and one side of the barrel (301) is connected to the front end of the movable sleeve (3), and the threaded rotating rod (7) and the housing of the motor (701) are threadedly connected via a slider, and the pulley (702) is transmitted via a belt to the mounting groove (302).

7. The display projection lamp capable of convenient adjustment and installation as claimed in claim 4, characterized in that: The guide rod (501) moves inside the corresponding guide cavity (5), and both sides of the outer wall of the movable sleeve (3) are provided with limit fixing grooves, and both sides of the imaging lens (205) are elastically connected with elastic rods, and the elastic rods extend into the movable cavity (2051), and the elastic rods fit into the limit fixing grooves.