Projection night lamp

Abstract

The utility model discloses a projection night lamp, which comprises a fixed seat, a light source module, a light source module and a light source module, the fixed seat comprises a containing cavity, a base and an upper cover, the containing cavity is formed by the base and the upper cover, and the upper cover comprises a sinking groove and a through hole, the light source assembly is fixedly connected to the fixing base, the light source assembly comprises a substrate and at least one lamp bead fixed to the substrate, the substrate is contained in the containing cavity of the fixing base, and the lamp beads are upwards exposed out of the sinking groove; the projection assembly is located above the lamp bead, and at least part of the projection assembly is contained in the sinking groove; and the motor assembly is mounted on the fixed seat, is upwards exposed out of the through hole, and is used for driving the projection assembly to rotate so as to prevent the light emitted by the lamp bead from leaking out from the unshielded position of the bottom edge of the projection assembly.

Description

[Technical field]

[0001] The utility model relates to the technical field of projection night lights, in particular to a light leakage-proof projection night light. [Background technology]

[0002] An existing projection night light comprises a fixed seat, a rotating seat mounted on the fixed seat, a driving assembly and a lighting assembly, a projection assembly mounted on the rotating seat, and an upper cover covering the projection assembly. The fixed seat comprises a groove recessed downward from its top surface, the rotating seat is mounted in the groove, the driving assembly comprises a protrusion extending into the groove and cooperating with the rotating seat, and the rotating seat drives the projection assembly to rotate. Alternatively, the driving assembly drives the projection assembly. The rotating seat comprises a through hole penetrating upward, and the lighting assembly is fixed to the fixed seat and exposed upward from the through hole.

[0003] Due to the above structure, when the operator replaces the projection film of the projection assembly, the entire light assembly will be exposed outward, which is not conducive to dust prevention of the light assembly. In addition, the gap between the projection assembly and the light assembly in the vertical direction cannot be controlled. [Contents of the utility model]

[0004] In view of the problems faced by the background technology, the utility model provides a projection night light in which a projection component is accommodated in a sink to prevent light leakage.

[0005] In order to achieve the above purpose, the utility model adopts the following technical means:

[0006] A projection night light comprises: a fixing seat, comprising a receiving cavity and a base and an upper cover forming the receiving cavity, the upper cover comprising a sink groove formed by being recessed downward from its top surface and a through hole penetrating upward; a light source assembly fixedly connected to the fixing seat, the light source assembly comprising a substrate and at least one lamp bead fixed to the substrate, the substrate being received in the receiving cavity of the fixing seat, the lamp bead exposing the sink groove upward; a projection assembly, located above the lamp bead, and at least a portion of the projection assembly is received in the sink groove; a motor assembly, mounted on the fixing seat and exposing upward to the through hole, driving the projection assembly to rotate.

[0007] Furthermore, the motor assembly includes a motor shaft or a gear passing upward through the through hole, and the projection assembly includes a fixing frame and a projection sheet arranged on the fixing frame, and the fixing frame is fixed to the motor shaft or the gear cooperates with the gear ring of the fixing frame.

[0008] Furthermore, the projection assembly includes a fixing frame and a projection film arranged on the fixing frame, the fixing frame includes the fixing part, a supporting part connected to the fixing part and a first projection part, the first projection part is arranged around the supporting part, the projection film is at least arranged on the first projection part, and the first projection part partially overlaps with the projection of the side wall of the sink in the horizontal direction.

[0009] Furthermore, the upper cover includes a plurality of mounting holes penetrating upwardly through the bottom surface of the sink, and the plurality of mounting holes are aligned with the first projection portion in the up-down direction.

[0010] Furthermore, the upper cover includes a groove formed downward and at least one through groove penetrating upward through the bottom wall of the groove, the sink groove is arranged around the groove, and the lamp bead is exposed upward from the through groove.

[0011] Furthermore, the bottom wall of the sink is higher than the bottom wall of the groove, the projection assembly is located above the groove, and a gap is formed between the projection assembly and the lamp bead in the up and down directions.

[0012] Furthermore, the highest point of the lamp bead is flush with the bottom surface of the groove or is higher than the bottom surface of the groove.

[0013] Furthermore, the side wall of the groove is arranged as a light guiding surface, the light guiding surface is arranged obliquely, and the light guiding surface is connected to the bottom surface of the sink upwards and connected to the bottom surface of the groove downwards.

[0014] Furthermore, the projection assembly includes a fixing frame and a projection film arranged on the fixing frame, the fixing frame includes a fixing part, a supporting part connected to the fixing part, a first projection part and a second projection part, the fixing part is fixed to the motor shaft of the motor assembly, the projection film is arranged on the first projection part and the second projection part, the supporting part is extended upward from the fixing part, the first projection part is arranged around the supporting part, and the light emitted by the lamp bead passes through the supporting part to reach the projection film.

[0015] Furthermore, the outer edge of the first projection portion is provided with a limit block that cooperates with the inner edge of the upper cover, or the inner edge of the upper cover is provided with a limit block that cooperates with the outer edge of the upper cover.

[0016] Compared with the prior art, the projection night light of the utility model has the following beneficial effects:

[0017] A fixing seat includes a receiving cavity and a base and an upper cover forming the receiving cavity, wherein the upper cover includes a recessed groove formed downward from the top surface thereof and a through hole penetrating upward; a light source assembly is fixedly connected to the fixing seat, wherein the light source assembly includes a substrate and at least one lamp bead fixed to the substrate, wherein the substrate is received in the receiving cavity of the fixing seat, and the lamp bead is exposed upward from the recessed groove; a projection assembly is located above the lamp bead, and at least a portion of the projection assembly is received in the recessed groove; a motor assembly is installed on the fixing seat and exposed upward from the through hole, and drives the projection assembly to rotate, so as to prevent the light emitted by the lamp bead from leaking from the unshielded position of the bottom edge of the projection assembly.

Brief Description of the Drawings

[0018] Figure 1 A three-dimensional diagram of the projection night light of the utility model;

[0019] Figure 2 for Figure 1 Front view after removing the top cover;

[0020] Figure 3 for Figure 2 A top view of

[0021] Figure 4 for Figure 3 Sectional view along the AA section line;

[0022] Figure 5 for Figure 4 A partial enlarged view of middle b;

[0023] Figure 6 for Figure 2 3D exploded view of

[0024] Figure 7 for Figure 6 A three-dimensional exploded view of the middle fixing seat;

[0025] Figure 8 for Figure 6 Exploded perspective view of the projection component.

[0026] Description of the accompanying drawings of the specific embodiments:

[0027] Projection Night Light 100 Fixed seat 1 Base 11 Fixed plate 111 Limit hole 1111 Limiting part 1112 Card position 1113 Upper cover 12 Groove 121 Through hole 122 Through slot 123 Sink 124 Mounting holes 125 Light guide surface 126 Buckle 127 Projection 128 Accommodation chamber 13 Motor assembly 2 Body 21 Motor shaft 22 Fixed ear 23 Light source component 3 Substrate 31 Lamp beads 32 Projection component 4 Fixed frame 41 Fixed portion 411 Supporting portion 412 First projection unit 413 Limit block 4131 Second projection unit 414 Base 4141 Crimping section 4142 Slide 42 First Film 421 Second Film 422 Top cover 5 [Specific implementation method]

[0028] In order to facilitate a better understanding of the purpose, structure, characteristics and functions of the present invention, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods.

[0029] like Figures 1 to 8As shown, the projection night light 100 of the utility model includes a fixing base 1, a motor assembly 2 installed on the fixing base 1, a projection assembly 4 matched with the motor assembly 2, and a top cover 5 covering the projection assembly 4.

[0030] like Figure 1 , Figure 6 and Figure 7 As shown, the projection night light 100 includes a fixing base 1 and an upper cover 12 rotatably buckled on the fixing base 1. The fixing base 1 includes a receiving cavity 13, a base 11 forming the receiving cavity 13, and an upper cover 12. The base 11 includes a shell and a fixing plate 111 installed on the shell. The front and rear ends of the fixing plate 111 are fixed to the fixing column of the shell. The fixing plate 111 includes a through-limiting hole 1111, a limiting portion 1112 located at the front and rear sides of the limiting hole 1111, and a clamping position 1113 located on the right side of the limiting hole 1111. The base 11 includes a battery fixed to the clamping position 1113. The upper cover 12 includes a groove 121 formed downward from its top surface, a through hole 122 penetrating upward through the bottom wall of the groove 121, and a plurality of through grooves 123 arranged around the through hole 122. The side wall of the groove 121 is set as a light guide surface 126, and the light guide surface 126 is an inclined surface. The through hole 122 and the through groove 123 are both connected to the receiving cavity 13. The upper cover 12 further includes a recessed groove 124 formed downward from the top surface thereof and a plurality of mounting holes 125 penetrating upward through the bottom wall of the recessed groove 124. The recessed groove 124 is arranged around the groove 121. The light guide surface 126 is connected to the bottom surface of the recessed groove 124 upward, and is connected to the bottom surface of the groove 121 downward. The bottom surface of the recessed groove 124 is arranged higher than the bottom surface of the groove 121. The upper cover 12 is fixed to the base 11 by screws passing through the mounting holes 125. The upper cover 12 also includes a plurality of card slots formed on its outer edge and a buckling portion 127 and a protrusion 128 extending from the side wall of each of the card slots.

[0031] like Figure 4 , Figure 5 and Figure 6As shown, the motor assembly 2 includes a body 21, fixing ears 23 located on the left and right sides of the body 21, and a motor shaft 22 extending upward from the body 21. The body 21 is installed in the limiting hole 1111, and the two fixing ears 23 are fixed to the limiting part 1112 in a one-to-one correspondence. The width of the through hole 122 is less than half the width of the body 21. The motor shaft 22 is arranged higher than the bottom surface of the groove 121. The light source assembly 3 is accommodated in the accommodating cavity 13. The light source assembly 3 includes a substrate 31 and a plurality of lamp beads 32 installed on the substrate 31. The substrate 31 is fixedly connected to the base 11, and each of the lamp beads 32 is aligned with one of the through grooves 123 in the upper and lower directions. The width of the through groove 123 is greater than the width of the lamp bead 32 and less than 3 times the width of the lamp bead. The plurality of lamp beads 32 are arranged around the motor shaft 22 or the gear. In this embodiment, the lamp bead 32 protrudes upward into the through groove 123, and the highest point of the lamp bead 32 is flush with the bottom surface of the groove 121 or higher than the bottom wall of the groove 121, or the lamp bead 32 is at least partially higher than the bottom surface of the groove 121. The light emitted by the lamp bead 32 is diffused outwardly to the sink 124 along the light guide surface 126, so that the illumination area is more uniform.

[0032] like Figure 4 , Figure 5 and Figure 8As shown, the projection assembly 4 includes a fixing frame 41 and a projection sheet 42 mounted on the fixing frame 41. The fixing frame 41 includes a fixing portion 411, a supporting portion 412 connected to the fixing portion 411, a first projection portion 413 and a second projection portion 414, wherein the first projection portion 413 is formed by extending upward from the supporting portion 412 or the first projection portion 413 is buckled with the supporting portion, the first projection portion 413 is arranged around the supporting portion 412, and the second projection portion 414 is covered on the first projection portion 413. The fixing portion 411 includes a fixing hole that passes through the supporting portion 412 upward, the motor shaft 22 protrudes upward into the fixing hole, a screw passes through the supporting portion 412 to fix the fixing portion 411 to the motor shaft 22, or the fixing hole is provided with an inner gear ring to cooperate with the gear of the motor assembly 2. The first projection part 413 is aligned with the plurality of mounting holes 125 in the vertical direction, that is, the outer edge of the projection assembly 4 is aligned with the plurality of mounting holes 125 in the vertical direction, shielding the plurality of mounting holes 125 from being exposed, and playing a dust-proof role. The first projection part 413 includes a matching part and a plurality of spaced limit blocks 4131 extending from the matching part. The width of the projection assembly 4 is greater than the width of the groove 121, or the width of the support part 412 is greater than the width of the groove 121. The support part 412 forms a gap with the plurality of lamp beads 32 in the vertical direction, and the gap between the support part 412 and the bottom surface of the groove 121 in the vertical direction is greater than the gap between the support part 412 and the bottom surface of the sink 124 in the vertical direction. In this embodiment, the support part 412 seals the gap between the first projection part 413 and the fixing part 411, or the support part 412 is a structure of multiple support rods, and a hollow structure is formed between two adjacent support rods. One end of the support rod is connected to the fixing portion 411, and the other end is connected to the first projection portion 413. The thickness of the support portion 412 is 0.5mm-5mm. The light emitted by the lamp bead 32 reaches the projection film 42 after passing through the support portion 412. The second projection portion 414 is covered on the first projection portion 413, and the second projection portion 414 includes a base 4141 and a crimping portion 4142 extending from the base 4141 in a horizontal direction. The base 4141 is arranged around the matching portion, and the matching portion is matched with a plurality of the limit blocks 4131, and the crimping portion 4142 is located above the matching portion. Of course, in other embodiments, a plurality of the limit blocks 4131 can be arranged on the base 4141. The projection sheet 42 includes a first film 421 and a second film 422 . The first film 421 is disposed along the first projection portion 413 , and the second film 422 is disposed on the second projection portion 414 . The pressing portion 4142 limits the second film 422 from moving upward.

[0033] like Figure 1 As shown, the top cover 5 includes a locking portion and a recessed portion formed on the locking portion. The locking portion is rotatably engaged with the engaging portion 127 , and the recessed portion cooperates with the convex portion 128 to limit excessive rotation of the top cover 5 .

[0034] In summary, the projection night light of the utility model has the following beneficial effects:

[0035] (1) A fixing seat includes a receiving cavity and a base and an upper cover forming the receiving cavity, wherein the upper cover includes a recessed groove formed downward from the top surface thereof and a through hole extending upward therethrough; a light source assembly is fixedly connected to the fixing seat, wherein the light source assembly includes a substrate and at least one lamp bead fixed to the substrate, wherein the substrate is received in the receiving cavity of the fixing seat, and the lamp bead is exposed upward from the recessed groove; a projection assembly is located above the lamp bead, and at least a portion of the projection assembly is received in the recessed groove; a motor assembly is installed on the fixing seat and exposed upward from the through hole, and drives the projection assembly to rotate, thereby preventing the light emitted by the lamp bead from leaking from the unshielded position of the bottom edge of the projection assembly.

[0036] The above detailed description is only an explanation of the preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Therefore, all equivalent technical changes made by using the description and illustrations of this creation are included in the patent scope of this creation.

Claims

1. A projection night light, characterized in that: include: The fixing seat comprises a receiving cavity and a base and an upper cover forming the receiving cavity, wherein the upper cover comprises a sink groove formed by being recessed downward from the top surface thereof and a through hole penetrating upward; A light source assembly is fixedly connected to the fixing seat, the light source assembly comprises a substrate and at least one lamp bead fixed to the substrate, the substrate is received in the receiving cavity of the fixing seat, and the lamp bead is exposed upward from the sink; A projection assembly is located above the lamp bead, and at least a portion of the projection assembly is accommodated in the sink; The motor component is installed on the fixing seat and exposed upward from the through hole to drive the projection component to rotate.

2. The projection night light as claimed in claim 1, characterized in that: The motor assembly includes a motor shaft or a gear exposed upward from the through hole, and the projection assembly includes a fixing frame and a projection sheet arranged on the fixing frame, wherein the fixing frame is fixed to the motor shaft or the gear cooperates with a gear ring of the fixing frame.

3. The projection night light as claimed in claim 2, characterized in that: The fixing frame includes a fixing portion, a supporting portion connected to the fixing portion, and a first projection portion, wherein the first projection portion is arranged around the supporting portion, the projection sheet is at least arranged on the first projection portion, and the first projection portion partially overlaps with the projection of the side wall of the sink in the horizontal direction.

4. The projection night light as claimed in claim 3, characterized in that: An upper cover includes a plurality of mounting holes penetrating upwardly through the bottom surface of the sink, and the plurality of mounting holes are aligned with the first projection portion in the up-down direction.

5. The projection night light as claimed in claim 4, characterized in that: The upper cover comprises a groove formed downward and at least one through groove penetrating upward through the bottom wall of the groove, the sink groove is arranged around the groove, and the lamp bead is exposed upward from the through groove.

6. The projection night light as claimed in claim 5, characterized in that: The bottom wall of the sink is higher than the bottom wall of the groove, the projection assembly is located above the groove, and a gap is formed between the projection assembly and the lamp bead in the up and down directions.

7. The projection night light as claimed in claim 5, characterized in that: The highest point of the lamp bead is flush with the bottom surface of the groove or is higher than the bottom surface of the groove.

8. The projection night light as claimed in claim 5, characterized in that: The side wall of the groove is arranged as a light guiding surface, the light guiding surface is arranged obliquely, and the light guiding surface is connected to the bottom surface of the sink upwards and connected to the bottom surface of the groove downwards.

9. The projection night light according to any one of claims 4 to 8, characterized in that: The fixing frame includes a fixing portion, a supporting portion connected to the fixing portion, a first projection portion and a second projection portion, the fixing portion is fixed to the motor shaft of the motor assembly, the projection film is arranged on the first projection portion and the second projection portion, the supporting portion is formed by extending upward from the fixing portion, and the light emitted by the lamp bead passes through the supporting portion to reach the projection film.

10. The projection night light as claimed in claim 9, characterized in that: The outer edge of the first projection portion is provided with a limiting block matched with the inner edge of the upper cover, or the inner edge of the upper cover is provided with a limiting block matched with the outer edge of the upper cover.

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