High-definition projection lamp

Abstract

The utility model relates to the technical field of projection lamps, and discloses a high-definition projection lamp, which comprises a fixed seat, a turntable and a light source assembly which are arranged on the fixed seat, a projection assembly which is fixedly arranged on the turntable and covers the light source assembly, and an upper cover which covers the outer side of the projection assembly, the projection assembly comprises a projection cover, a lens assembly arranged in the projection cover and a first projection sheet, and the first projection sheet is located between the light source assembly and the lens assembly in the vertical direction. Light emitted by the light source assembly is emitted out after passing through the first projection sheet and the lens assembly, and the presented pattern is clear.

Description

Technical Field

[0001] The utility model relates to the technical field of projection lamps, in particular to a high-definition projection lamp. Background Art

[0002] There is a disclosed projection lamp, which includes a fixed seat, a rotating disk for installing the fixed seat, a light source assembly, and a projection film fixedly installed on the fixed seat. The projection principle is that the light emitted by the light source assembly passes through the projection film and then projects out to present a dynamic projection pattern. However, the pattern obtained by using this projection principle is relatively blurred and does not meet the needs of people for high-definition projection. Content of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a high-definition projection lamp with clear formed images.

[0004] To achieve the above object, the utility model provides a high-definition projection lamp, including: a fixed seat, a turntable installed on the fixed seat and a light source assembly, a projection assembly fixedly installed on the turntable and covering the light source assembly from above, and an upper cover covering the outside of the projection assembly. The projection assembly includes a projection cover, a lens assembly built in the projection cover, and a first projection film. The first projection film is located between the light source assembly and the lens assembly in the up-and-down direction.

[0005] Further, the lens assembly includes a limiting ring built in the projection cover and two lenses built in the limiting ring and spaced apart in the up-and-down direction.

[0006] Further, the limiting ring includes two or more limiting pieces spliced in a circumferential direction to form a ring shape, and the limiting pieces are provided with limiting grooves for accommodating the two lenses.

[0007] Further, the lens assembly further includes a receiving shell for accommodating the limiting ring, and the projection cover is provided with an installation groove for installing the receiving shell.

[0008] Further, the outer wall of the receiving shell has an external thread, and the inner wall of the installation groove is provided with an internal thread matching the external thread;

[0009] And / or, one of the inner wall of the receiving shell and the outer wall of the limiting piece is provided with a groove, and the other of the inner wall of the receiving shell and the outer wall of the limiting piece is a protrusion adapted to the groove.

[0010] Further, the projection cover includes a cover body surrounding the light source assembly and a support seat provided on the top of the cover body. The support seat is provided with an installation groove penetrating its top surface and bottom surface. A support cover is fixedly installed at the bottom of the support seat, and the first projection film is located between the receiving shell and the support cover.

[0011] Further, the bottom of the installation groove is provided with an annular stop portion located below the limiting ring, and the support cover is further provided with a pressing ring pressing on the first projection film from above. The pressing ring is located between the annular stop portion and the first projection film.

[0012] Furthermore, the support base includes a cylindrical accommodation portion and a connecting portion protruding outward from the peripheral edge of the top of the accommodation portion. The connecting portion is connected to the top of the cover body, the installation groove is provided in the accommodation portion, and the support cover is provided at the bottom of the accommodation portion.

[0013] Furthermore, the bottom of the cover body is fixed to the turntable, and a second projection film surrounding the light source assembly is provided inside the cover body.

[0014] Furthermore, the turntable includes a first rotating disk and a second rotating disk received in the first rotating disk. The light source assembly is received in the second rotating disk. The cover body is fixedly connected to the second rotating disk, and the upper cover is fixedly connected to the first rotating disk.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] The high-definition projection lamp includes a fixed base, a turntable and a light source assembly installed on the fixed base, a projection assembly fixedly installed on the turntable and covering the light source assembly from above, and an upper cover covering the outside of the projection assembly. The projection assembly includes a projection cover, a lens assembly built in the projection cover, and a first projection film. The first projection film is located between the light source assembly and the lens assembly in the up-down direction. The light emitted by the light source assembly passes through the first projection film and the lens assembly and then shines out, presenting a clear pattern. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the front view of the high-definition projection lamp according to the embodiment of the present utility model;

[0018] Figure 2 is Figure 1 the sectional view along the A-A direction;

[0019] Figure 3 is Figure 2 the enlarged structural schematic diagram of part B in;

[0020] Figure 4 is Figure 2 the enlarged structural schematic diagram of part C in;

[0021] Figure 5 is Figure 2 the enlarged structural schematic diagram of part D in;

[0022] Figure 6 is Figure 2 the enlarged structural schematic diagram of part E in;

[0023] Figure 7 is the partial three-dimensional exploded schematic diagram of the projection assembly according to the embodiment of the present utility model;

[0024] Figure 8 is the three-dimensional structural schematic diagram of the accommodation shell according to the embodiment of the present utility model;

[0025] Figure 9 Schematic diagram of the cooperation between the limit ring and the lens according to an embodiment of the present utility model;

[0026] Figure 10 is Figure 9 Schematic diagram of the three-dimensional structure of the limiting piece in

[0027] Figure 11 Schematic diagram of the three-dimensional structure of the support base according to an embodiment of the present utility model;

[0028] Figure 12 Schematic diagram of the three-dimensional structure of the support cover according to an embodiment of the present utility model;

[0029] Figure 13 is Figure 1 Schematic diagram of the three-dimensional structure of the high-definition projection lamp omitting the base, the upper cover and the projection component;

[0030] Figure 14 Schematic diagram of the three-dimensional structure of the first rotating disk according to an embodiment of the present utility model;

[0031] Figure 15 Schematic diagram of the three-dimensional structure of the first rotating disk from another angle according to an embodiment of the present utility model;

[0032] Figure 16 Schematic diagram of the three-dimensional structure of the second rotating disk according to an embodiment of the present utility model;

[0033] Figure 17 Schematic diagram of the three-dimensional structure of the second rotating disk from another angle according to an embodiment of the present utility model;

[0034] Figure 18 Schematic diagram of the three-dimensional structure of the bottom cover according to an embodiment of the present utility model;

[0035] Figure 19 Schematic diagram of the three-dimensional structure of the upper cover according to an embodiment of the present utility model.

[0036] In the figure: fixing base 1; base 1a; bottom cover 1b; receiving groove 11; through hole 12; first through hole 13; second through hole 14; clamping portion 15; stop protrusion 151; protruding portion 16; limiting portion 17; fastening portion 18; receiving cavity 19; turntable 2; first rotating disk 2a; second rotating disk 2b; first opening 21; first gear ring 22; second clamping portion 23; second opening 24; first step 25; second step 26; second gear ring 27; rotating shaft portion 28; second snap portion 29; light source assembly 3; lamp board 31; lamp beads 32; projection assembly 4; projection cover 41; cover body 411; first annular protrusion 4111; first snap portion 4112; support base 412; accommodating portion 412a; connecting portion 412b; mounting groove 4121; annular stop portion 4122; second annular protrusion 4123; L-shaped groove 4124; internal thread 4125; lens assembly 42; limiting ring 421; limiting piece 421a; limiting groove 4211; first groove 4212; second groove 4213; insertion hole 4214; insertion post 4215; lens 422; accommodating shell 423; first protrusion 4231; second protrusion 4232; external thread 4233; first slide film 43;

[0037] second slide film 44; supporting cover 45; limiting protrusion 451; supporting groove 452; pressing ring 46; first motor 51; second motor 52; main board 6; power supply 7; upper cover 8; first clamping portion 81. Detailed implementation manners

[0038] In order to enable those skilled in the art to better understand the solutions of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0039] In this article, terms such as "upper, lower, inner, outer" are established based on the positional relationship shown in the drawings. Depending on the different drawings, the corresponding positional relationship may also change accordingly. Therefore, it cannot be understood as an absolute limitation of the protection scope; moreover, relational terms such as "first" and "second" are only used to distinguish one component with the same name from another, and do not necessarily require or imply any such actual relationship or order between these components.

[0040] Such as Figure 1-19As shown in the figure, the present utility model provides a high-definition projection lamp, which includes a fixed base 1, a turntable 2 and a light source assembly 3 mounted on the fixed base 1, a projection assembly 4 fixedly installed on the turntable 2 and covering the upper part of the light source assembly 3, a motor housed in the fixed base 1 and used to drive the turntable 2 to rotate, a main board 6 and a power supply 7 housed in the fixed base 1, and an upper cover 8 covering the outside of the projection assembly 4 and fixedly connected to the turntable 2. The light source assembly 3 includes a lamp board 31 fixedly installed on the fixed base 1 and a plurality of lamp beads 32 arranged on the lamp board 31. The projection assembly 4 includes a projection cover 41, a lens assembly 42 built in the projection cover 41 and a first projection film 43. The first projection film 43 is located between the light source assembly 3 and the lens assembly 42 in the up-down direction. The light emitted by the lamp beads 32 passes through the first projection film 43 and the lens assembly 42 and then emits out, presenting a clear pattern.

[0041] As Figure 3 , 9 As shown in FIGS. 7 and 10, the lens assembly 42 includes a limiting ring 421 built in the projection cover 41 and two lenses 422 built in the limiting ring 421 and spaced apart in the up-down direction. The two lenses 422 can be biconvex lenses, and their function is to magnify the image. The number of lenses is not limited to two, and there can be more than three. To facilitate the installation of the lenses 422, the limiting ring 421 is a split structure. The limiting ring 421 includes two or more limiting pieces 421a spliced in a circumferential direction to form a ring shape. The limiting pieces 421a are provided with limiting grooves 4211 for accommodating the two lenses 422. Two or more limiting pieces 421a are spliced to form a ring-shaped limiting groove 4211 for installing the lenses 422. The depth of the limiting groove 4211 is adapted to the thickness of the edge of the lens 422. To facilitate splicing the two limiting pieces 421a into a whole, one of the two splicing ends of the limiting piece 421a is provided with a plug hole 4214, and the other splicing end is provided with a plug post 4215 adapted to the plug hole 4214. The splicing ends of adjacent two limiting pieces 421a form a plug-in fit by inserting the plug post 4215 into the plug hole 4214.

[0042] As Figure 3 , 8, as shown in FIGS. 11, the lens assembly 42 further includes a housing 423 for accommodating the limiting ring 421. The projection cover 41 is provided with a mounting groove 4121 for mounting the housing 423. To stably mount the lens assembly 42 in the projection cover 41, the outer wall of the housing 423 is provided with an external thread 4233, and the inner wall of the mounting groove 4121 is provided with an internal thread 4125 that matches the external thread 4233. The housing 423 and the projection cover 41 are fixed by threading. To make the combination of the housing 423 and the limiting ring 421 stable and not easily separated, one of the inner wall of the housing 423 and the outer wall of the limiting piece 421a is provided with a groove, and the other of the inner wall of the housing 423 and the outer wall of the limiting piece 421a is a protrusion adapted to the groove. The number of grooves and protrusions corresponds, and the number is not limited to one, and there can be more than two. The setting positions of the grooves and protrusions are not limited. The following gives an example, as Figure 8-9 shown, the top of the outer wall of the limiting piece 421a is provided with a first groove 4212, and the first groove 4212 is recessed downward from the top surface of the limiting piece 421a. Correspondingly, the inner wall of the housing 423 is provided with a first protrusion 4231 that matches the first groove 4212. Further, the bottom of the outer wall of the limiting piece 421a is provided with a second groove 4213, and the second groove 4213 is recessed upward from the bottom surface of the limiting piece 421a. Correspondingly, the bottom of the inner wall of the housing 423 is provided with a second protrusion 4232 that matches the second groove 4213. The first protrusion 4231 and the second protrusion 4232 can be arc-shaped protrusions.

[0043] As Figure 3 , 7 , as shown in FIGS. 11 - 12, the projection cover 41 includes a cover body 411 surrounding the light source assembly 3 and a support base 412 provided on the top of the cover body 411. The bottom of the cover body 411 is fixed to the turntable 2. The support base 412 is provided with a mounting groove 4121 that penetrates its top and bottom surfaces. A support cover 45 is fixedly installed at the bottom of the support base 412. The first slide 43 is located between the housing 423 and the support cover 45. The support cover 45 is provided with a support groove 452 for accommodating the first slide 43, so as to install the first slide 43 and the housing 423 in the support base 412. The bottom of the mounting groove 4121 is provided with an annular stop portion 4122 located below the limiting ring 421, and the annular stop portion 4122 limits the depth of the limiting ring 421 screwed into the housing 423. The support cover 45 is further provided with a pressing ring 46 pressed above the first slide 43, and the pressing ring 46 is located between the annular stop portion 4122 and the first slide 43. The first slide 43 is limited and installed in the support cover 45 through the pressing ring 46. The first slide 43 is a circular slide.

[0044] As Figure 3 , 11As shown in the figure, the support base 412 includes a cylindrical accommodation part 412a and a connection part 412b protruding outward from the peripheral edge of the top of the accommodation part 412a. The connection part 412b is connected to the top of the cover body 411. The connection method between the connection part 412b and the cover body 411 can be snap connection or bonding, etc. For example, Figure 2 , 6 As shown in the figure, an example is given as follows. The connection part 412b is cylindrical. A first annular protrusion 4111 is provided at the top of the outer wall of the cover body 411. A second annular protrusion 4123 that is snap - connected to the first annular protrusion 4111 is provided on the inner wall of the bottom of the connection part 412b. The installation groove 4121 is provided in the accommodation part 412a. The support cover 45 is provided at the bottom of the accommodation part 412a. The connection method between the support cover 45 and the accommodation part 412a can be snap connection, pin connection, bonding, etc. For example, Figure 11-12 As shown in the figure, an example is given as follows. Two or more spaced - apart limit protrusions 451 are provided on the outer peripheral edge of the support cover 45. An L - shaped groove 4124 is provided through the bottom of the side wall of the accommodation part 412a. The number of the limit protrusions 451 is the same as that of the L - shaped grooves 4124. The L - shaped groove 4124 includes a vertical groove and a horizontal groove that are connected. The limit protrusions 451 first enter the L - shaped groove 4124 from the vertical groove and then enter the horizontal groove. By rotating the support cover 45 by a certain angle, all the limit protrusions 451 are placed in the corresponding horizontal grooves to form a snap connection.

[0045] For example, Figure 2 , 6 As shown in FIGS. -7, the bottom of the cover body 411 is fixed to the turntable 2. A second projection film 44 surrounding the light source assembly 3 is provided in the cover body 411. The second projection film 44 can be a projection film formed by enclosing a flat - plate - shaped film into a cylindrical shape and is housed on the inner wall of the cover body 411. The shape formed by enclosing the second projection film 44 matches the shape of the cover body 411 to completely cover the inner wall surface of the cover body 411.

[0046] For example, Figure 4 , 13 As shown in FIGS. -17, there are two turntables 2, including a first rotating disk 2a and a second rotating disk 2b housed in the first rotating disk 2a. Among them, the light source assembly 3 is housed in the second rotating disk 2b. The projection cover 41 is fixedly connected to the second rotating disk 2b. Specifically, the bottom of the cover body 411 is fixedly connected to the first rotating disk 2a. The projection assembly 3 rotates with the second rotating disk 2b. The upper cover 8 is fixedly connected to the first rotating disk 2a, so that the upper cover 8

[0047] can rotate with the first rotating disk 2a.

[0048] For example, Figure 1-2As shown in FIGS. 18, the fixing base 1 includes a base 1a and a bottom cover 1b fastened to the base 1a. An accommodation cavity 19 for accommodating the main board and the battery is formed between the base 1a and the bottom cover 1b. The bottom cover 1b includes a receiving groove 11 recessed downward from its upper surface, and through holes 12, first through holes 13, and second through holes 14 penetrating the bottom wall of the bottom cover 1b. The receiving groove 11 communicates with the accommodation cavity 19. The through holes 12, the first through holes 13, and the second through holes 14 are spaced apart and all communicate with the receiving groove 11. The bottom cover 1b includes a plurality of clamping portions 15 and a plurality of protruding portions 16 disposed around the through hole 12. Both the clamping portions 15 and the protruding portions 16 extend upward from the bottom wall of the receiving groove 11. The bottom cover 1b further has a limiting portion 17 extending upward from the bottom wall of the receiving groove 11. The limiting portion 17 is located on the side of the clamping portion 15 away from the through hole 12. A fastening portion 18 for fastening to the base 1a is provided on the outer wall of the bottom cover 1b.

[0049] As Figure 13-15 shown in FIGS. 18, the first rotating disk 2a includes a first opening 21 penetrating its upper and lower surfaces and a first gear ring 22 disposed around the first opening 21. The motor includes a first motor 51. At least part of the first motor 51 is accommodated in the accommodation cavity 19. The first motor 51 includes a first gear (not shown) located in the receiving groove 11. The output shaft of the first motor 51 extends into the receiving groove 11 from the first through hole 13. The first gear is fixedly connected to the output shaft of the first motor 51. The first gear and the first gear ring 22 cooperate with each other to drive the first rotating disk 2a to rotate. In combination with Figure 2 and 4 shown in FIGS. 19, a first fastening portion 81 is provided at the bottom of the upper cover 8. The first rotating disk 2a is provided with a second fastening portion 23 that cooperates with the first fastening portion 81.

[0050] As Figure 5 shown in FIGS. 16 16 - 17, the second rotating disk 2b is accommodated in the first opening 21. The second rotating disk 2b includes a second opening 24 penetrating its upper and lower surfaces, and a first step 25, a second step 26, and a second gear ring 27 disposed around the second opening 24. The second opening 24 communicates with the through hole 12 and they are aligned vertically. The diameter of the second opening 24 is larger than the diameter of the through hole 12. The first step 25 is lower than the second step 26. The second rotating disk 2b further includes a rotating shaft portion 28 disposed around the second opening 24. The rotating shaft portion 28 is located inside the first gear ring 22. The limiting portion 17 is provided with a convex portion 171 protruding toward the rotating shaft portion 28. The convex portion 171 abuts against the rotating shaft portion 28 to limit the second rotating disk 2b from shaking in the horizontal direction. The first step 25 extends from the rotating shaft portion

[0051] It extends towards the clamping portion 15. The stop protrusion 151 at the top of the clamping portion 15 is located above the first step 25 to prevent the second rotating disk 2b from detaching from the receiving groove 11. The bottom of the cover body 411 is provided with a first snap portion 4112, and the second rotating disk 2b is provided with a second snap portion 29 that snaps into cooperation with the first snap portion 4112.

[0052] As Figure 13 , 18 shown, the motor includes a second motor 52, at least part of the second motor 52 is received in the receiving cavity. The second motor 52 includes a second gear (not labeled) located in the receiving groove 11. The output shaft of the second motor 52 extends into the receiving groove 11 through the second through hole 14. The second gear is fixedly connected to the output shaft of the second motor 52, and the second gear cooperates with the second toothed ring 27 to drive the second rotating disk 2b to rotate. As shown in Figures 15 and 17, for the reasonable arrangement of the first motor 51 and the second motor 52, the teeth of the first toothed ring 22 are located on the side close to the rotating shaft portion 28, that is, on the inner side wall of the first toothed ring 22, and the teeth of the second toothed ring 27 are located on the side far from the rotating shaft portion 28, that is, on the outer side wall of the second toothed ring 27.

[0053] As Figure 5 , 13 Figures 18 show that the light source assembly 3 is electrically connected to the main board 6. The lamp board 31 is fixed to the protruding portion 16 and received in the second opening 24. The lamp board 31 is located above the second step 26. In this embodiment, the lamp board 31 is fixed to the protruding portion 16 by screws. The light emitted by the lamp beads 32 irradiates on the first projection film 43 and the second projection film 44, and the patterns on the first projection film 43 and the second projection film 44 can be seen through the upper cover 8.

[0054] The above has introduced the high-definition projection lamp provided by the present utility model in detail. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A high-definition projection lamp, characterized in that: include: A fixing seat, a turntable and a light source assembly installed on the fixing seat, a projection assembly fixedly installed on the turntable and covering the light source assembly, and an upper cover covering the outer side of the projection assembly. The projection assembly includes a projection cover, a lens assembly built into the projection cover, and a first projection film, and the first projection film is located between the light source assembly and the lens assembly in the up and down directions.

2. A high-definition projection lamp as claimed in claim 1, characterized in that: The lens assembly comprises a limiting ring built in the projection cover and two lenses built in the limiting ring and spaced apart in the up-and-down directions.

3. A high-definition projection lamp as claimed in claim 2, characterized in that: The limiting ring comprises at least two limiting pieces which are spliced ​​in a ring shape along the circumferential direction, and the limiting pieces are provided with limiting grooves for accommodating two lenses.

4. A high-definition projection lamp as claimed in claim 2 or 3, characterized in that: The lens assembly also includes a containing shell for accommodating a limiting ring, and the projection cover is provided with a mounting groove for mounting the containing shell.

5. A high-definition projection lamp as claimed in claim 4, characterized in that: The outer wall of the housing is provided with external threads, and the groove wall of the installation groove is provided with internal threads matching the external threads; And / or, one of the inner wall of the containing shell and the outer wall of the limiting plate is provided with a groove, and the other of the inner wall of the containing shell and the outer wall of the limiting plate is a protrusion adapted to the groove.

6. A high-definition projection lamp as claimed in claim 4, characterized in that: The projection cover includes a cover body surrounding the light source assembly, a support seat arranged on the top of the cover body, the support seat is provided with a mounting groove running through its top and bottom surfaces, a support cover is fixedly installed at the bottom of the support seat, and the first projection sheet is located between the accommodating shell and the support cover.

7. A high-definition projection lamp as claimed in claim 6, characterized in that: The bottom of the installation groove is provided with an annular stopper located below the limiting ring, and the support cover is also provided with a pressing ring pressed above the first slide sheet, and the pressing ring is located between the annular stopper and the first slide sheet.

8. The high-definition projection lamp according to claim 6, characterized in that: The support seat includes a cylindrical accommodating portion, a connecting portion protruding outward from the periphery of the top of the accommodating portion, the connecting portion is connected to the top of the cover body, the mounting groove is arranged in the accommodating portion, and the support cover is arranged at the bottom of the accommodating portion.

9. The high-definition projection lamp according to claim 6, characterized in that: The bottom of the cover body is fixed to the rotating disk, and a second projection sheet surrounding the light source assembly is arranged in the cover body.

10. The high-definition projection lamp according to claim 9, characterized in that: The turntable comprises a first rotating disk and a second rotating disk accommodated in the first rotating disk, the light source assembly is accommodated in the second rotating disk, the cover body is fixedly connected to the second rotating disk, and the upper cover is fixedly connected to the first rotating disk.

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