CN215006215U - Projection night lamp - Google Patents

Abstract

The utility model discloses a projection night-light, include: the light source component is fixed on the fixed seat; the rotating seat is movably arranged on the fixed seat, the light source component is upwards exposed out of the rotating seat, and the rotating seat comprises an accommodating groove formed by downwards recessing the top surface of the rotating seat and a clamping part formed by extending one groove wall of the accommodating groove along the horizontal direction; the projection component is arranged on the rotary seat and covered above the light source component, and the accommodating groove is positioned on the outer side of the projection component; the shell is covered on the outer side of the projection component and comprises a locking part which extends into the containing groove and is rotationally buckled with the clamping part, so that the shell is restrained from moving upwards; and the motor drives the rotating seat to rotate, so that the shell is convenient to mount and dismount.

Description

Projection night lamp

[ technical field ] A method for producing a semiconductor device

The utility model relates to a projection night-light technical field, in particular to developments projection night-light.

Background

The existing projection night lamp comprises a fixed seat, a rotating seat and a light source component which are arranged on the fixed seat, a lampshade fixed on the rotating seat and covering the rotating seat and above the light source component, a projection film arranged in the lampshade, a light shield covering the outer side of the lampshade, and a motor driving the rotating seat to rotate, wherein the rotating seat comprises a plurality of hooks extending upwards from the top surface of the rotating seat, the hooks comprise a connecting part for connecting the top surface of the rotating seat and a hook part extending towards the light source component from the connecting part, the connecting part extends along the up-down direction to form, the light shield comprises a main body and a limiting part extending along the horizontal direction from the main body, the limiting part is far away from the light source component relative to the main body and is of a circular ring structure, when the lens hood is installed, the limiting part horizontally props the clamping hook and slides into the lower part of the hook part, so that the lens hood is fixed on the rotating seat.

Owing to in order to satisfy the diversification of projection pattern, the user need often change the inboard projection film of lamp shade, and is changing the process of projection film need will the printing opacity cover is the plug by force many times, leads to connecting portion produce the fracture easily because of deformation many times, and make the lens hood can't be fixed in rotate the seat, in addition, because the lens hood is circular structure, lead to the user to extract by force can be more difficult during the printing opacity cover, use in the aspect of not.

Therefore, there is a need for a new projection night light that overcomes the above problems.

[ Utility model ] content

To the problem that the background art faces, the utility model provides a hasp portion of casing stretches into the accepting groove and rotatory buckle in the roating seat the projection night-light of card portion of holding.

In order to achieve the above object, the utility model adopts the following technical means:

a projection nightlight, comprising: the light source component is fixed on the fixed seat; the rotating seat is movably arranged on the fixed seat, the light source component is upwards exposed out of the rotating seat, and the rotating seat comprises an accommodating groove formed by downwards recessing the top surface of the rotating seat and a clamping part formed by extending one groove wall of the accommodating groove along the horizontal direction; the projection component is arranged on the rotating seat and covered above the light source component, and the accommodating groove is positioned on the outer side of the projection component; the shell is covered on the outer side of the projection component and comprises a locking part which extends into the containing groove and is rotationally buckled with the clamping part, so that the shell is restrained from moving upwards; and the motor drives the rotating seat to rotate.

Further, the shell rotates clockwise the lock catch part is buckled with the clamping part, the shell rotates anticlockwise, and the lock catch part and the clamping part are mutually disengaged.

Furthermore, the clamping part extends from the groove wall of the accommodating groove to the direction far away from the light source assembly, the locking part extends from the inner wall surface of the shell to the direction close to the light source assembly, and the locking part is positioned below the clamping part.

Further, the clamping part comprises a vertical part and a horizontal part connected with the vertical part, the locking part comprises a vertical section and a horizontal section connected with the vertical section, the horizontal section is located below the horizontal part, the vertical part blocks the horizontal section from excessively rotating, and the vertical section blocks the horizontal section from excessively rotating.

Further, the housing comprises a base and an extension part horizontally and convexly arranged relative to the base, the locking part extends from the inner surface of the extension part, a step surface is formed on the inner surface of the joint of the extension part and the base, a gap is formed between the horizontal section and the step surface, and the horizontal part is accommodated in the gap.

Further, the locking part comprises a convex part which is connected with the step surface and the horizontal section, and the convex part is accommodated in the gap and matched with a concave part of the horizontal section to limit the rotation of the shell.

Further, the vertical section is connected with the step surface upwards, the vertical part is connected with the bottom wall of the containing groove downwards, a containing space is formed between the horizontal part and the bottom wall of the containing groove, and the horizontal section is contained in the containing space.

Further, the roating seat is including running through from top to bottom the groove of stepping down of the diapire of accepting groove, the groove of stepping down corresponds water section portion sets up, the ascending length of groove in the horizontal direction of stepping down is greater than the length that the horizontal segment extends along the horizontal direction.

Further, the rotating seat comprises a plurality of positioning parts arranged around the accommodating groove, and the positioning parts are used for inserting the small animals.

Further, the rotating seat further comprises a reinforcing rib which is connected with the positioning part and the side wall of the accommodating groove.

Compared with the prior art, the utility model discloses a projection night-light has following beneficial effect:

through the roating seat includes from its top surface to the recessed accepting groove who establishes the formation downwards and certainly the portion of holding is held to the card that extends the formation along the horizontal direction by one of them cell wall of accepting groove, the casing lid is established projection component top, the casing is including stretching into the accepting groove and rotatory buckle in the hasp portion of the portion of holding, thereby restrain the casing moves upwards, and when the user needs to change the projection piece, only need rotate the casing alright with the casing takes off, it is convenient and simple not only, and has avoided the casing with the roating seat takes place hard interference and leads to damaging the roating seat.

[ description of the drawings ]

Fig. 1 is a perspective view of a projection night light according to a first embodiment of the present invention;

FIG. 2 is an exploded perspective view of the light source assembly, the rotary base, the fixing base, the motor, the main board, and the speaker of FIG. 1;

FIG. 3 is an exploded perspective view of the swivel base, the projection member and the housing of FIG. 1;

FIG. 4 is a perspective assembly view of FIG. 3;

FIG. 5 is a bottom view of FIG. 4;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a partial enlarged view of b in FIG. 6;

FIG. 8 is a partial enlarged view of c in FIG. 6;

FIG. 9 is a front view of FIG. 4;

FIG. 10 is a cross-sectional view taken along line D-D of FIG. 9;

FIG. 11 is a cross-sectional view taken along line F-F of FIG. 5;

FIG. 12 is an exploded perspective view of FIG. 3;

FIG. 13 is a perspective view of the swivel base of FIG. 3 after rotation;

FIG. 14 is a perspective view of the housing of FIG. 3 after rotation;

FIG. 15 is a top view of the swivel base and the cover of FIG. 3;

FIG. 16 is an enlarged view of a portion g of FIG. 15;

fig. 17 is a perspective view of a projection night lamp according to a second embodiment of the present invention.

Reference numerals for specific embodiments illustrate:

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

As shown in fig. 1, fig. 2 and fig. 3, for the projection night light 100 of the first embodiment of the present invention, the projection night light 100 includes a fixing base 1, a light source assembly 4 fixed to the fixing base 1, a rotary base 2 movably mounted to the fixing base 1, a buckle in a cover 5 of the rotary base 2, a housing 7, and a projection sheet set in the cover 5, a driving motor 3 of the rotary base 2, a main board 10, a battery 11 and a speaker 12 contained in the fixing base 1, the battery 11, the speaker 12 and the motor 3 all electrically connected to the main board 10, in this embodiment, the cover 5 forms a projection component with the projection sheet, the projection component is mounted on the rotary base 2 and the cover are disposed above the rotary base 4, and the housing 7 covers the outside of the projection component.

As shown in fig. 2, 8 and 12, the fixing base 1 includes a base 11, a plurality of supporting legs 13 mounted on the base 11, and a cover 12 fastened above the base 11, wherein the supporting legs 13 are upward for supporting the base 11. The base 11 includes a cavity 111 formed by recessing from the top surface thereof, and the cover 12 covers the cavity 111. The main board 10, the battery 11 and the speaker 12 are all accommodated in the cavity 111. The cover 12 includes a through hole 121 penetrating through the upper and lower surfaces thereof, and a first recess 122 and a second recess 123 disposed around the through hole 121, wherein the through hole 121 communicates with the cavity 111 from top to bottom, the first recess 122 communicates with the through hole 121, the first recess 122 is formed by recessing the top surface of the cover 12, the second recess 123 is formed by recessing the bottom wall of the first recess 122 from bottom, and the second recess 123 is substantially located at the middle position of the first recess 122. The middle portion of the second groove 123 forms a boss 124, the boss 124 is lower than the top surface of the cover 12, a plurality of protrusions 125 and a restriction portion 126 surrounding the protrusions 125 are formed by extending upward from the boss 124, the plurality of protrusions 125 are disposed around the through hole 121, the protrusions 125 are disposed higher than the restriction portion 126, the protrusions 125 connect the inner edges of the restriction portion 126, and the connection line between the plurality of protrusions 125 is substantially in the shape of an equilateral triangle. The cover 12 includes a through hole 127 penetrating through the upper and lower surfaces thereof, and the through hole 127 is communicated with the first groove 122 and the second groove 123, that is, the through hole 127 penetrates through the bottom walls of the first groove 122 and the second groove 123 vertically.

As shown in fig. 3, 13 and 7, the rotary seat 2 includes an opening 21 penetrating through an upper surface and a lower surface thereof, a rotary shaft portion 22 disposed around the opening 21, a first step 23 formed by extending horizontally from the rotary shaft portion 22 away from the opening 21, a second step 24 formed by projecting upwardly from the first step 23, a ring gear 25 formed by extending downwardly from the second step 24, a third step 26 formed by extending downwardly from the second step 24, and a ring portion 29 formed by extending downwardly from the third step 26, and the rotary shaft portion 22, the ring gear 25, and the ring portion 29 are disposed away from the opening 21 in this order. In this embodiment, the rotating base 2 is a disc structure, the through hole 121 and the opening 21 are vertically communicated, the protruding portion 125 and the limiting portion 126 both protrude into the opening 21, the limiting portion 126 is lower than the first step 23, and the protruding portion 125 is higher than the first step 23. The rotating shaft 22 is located outside the restricting portion 126, the rotating base 2 includes a convex hull 22a formed by extending from the restricting portion 126 toward the opening 21 and a convex rib 22b formed by extending downward from the rotating shaft 22, one of the convex hulls 22a, the protrusion 23a and the protruding portion 125 is located on the same radial line of the rotating base 2, the convex hull 22a and the restricting portion 126 form a small gap in the horizontal direction, the rotating shaft 22 rotates around the restricting portion 126, the convex hull 22a restricts the movement of the rotating shaft 22 in the horizontal direction, and the friction force between the rotating shaft 22 and the restricting portion 126 is reduced (see fig. 15-16). The protruding strip 22b abuts against the boss 124 downward, and the rotating shaft portion 22 and the boss 124 form a gap in the vertical direction, in this embodiment, the protruding strip 22b has an arc structure (see fig. 8). The rotary base 2 further includes a plurality of protrusions 23a extending upward from the top surface of the first step 23, and the plurality of protrusions 23a are spaced around the opening 21. In an embodiment, the convex hull 22a and the protrusion 23a are both arc-shaped long strips, a connecting line between the protrusions 23a forms an equilateral triangle, and the protrusion 125 and the protrusion 23a are located on the same radial straight line of the first step 23. The second step 24 includes a plurality of engaging grooves 241 surrounding the opening 21, the engaging grooves 241 vertically penetrate through the rotating base 2, the engaging grooves 241 include a first groove 2411 and a second groove 2412 communicating with the first groove 2411, and a width of the first groove 2411 in a horizontal direction is greater than a width of the second groove 2412 in the horizontal direction. The second step 24 further includes a receiving groove 242 formed by recessing downward from the top surface thereof, and a retaining portion 243 formed by extending from the receiving groove 242 and from one of the walls of the receiving groove 242 in the horizontal direction, in this embodiment, the retaining portion 243 is formed by extending horizontally from one of the walls of the receiving groove 242 in the direction away from the light source assembly 4, the receiving groove 242 includes a yielding groove 2421 vertically penetrating through the bottom wall thereof, and each of the yielding grooves 2421 is disposed corresponding to the retaining portion 243 in the vertical direction. The holding portion 243 includes a vertical portion 2432 and a horizontal portion 2431 extending from the vertical portion 2432 in a moisture direction, the vertical portion 2432 is connected to the bottom wall of the accommodating groove 242, a gap 2434 is formed between the horizontal portion 2431 and the bottom wall of the accommodating groove 242, the receding groove 2421 is disposed corresponding to the horizontal portion 2431, the horizontal portion 2431 includes a concave portion 2433 recessed toward a direction close to the light source assembly 4 and a guide surface 2435 connected to the concave portion 2433, the concave portion 2433 is an arc-shaped groove structure, and the guide surface 2435 is disposed obliquely from the concave portion 2433 toward the light source assembly 4. The ring gear 25 protrudes into the second groove 123 but forms a gap 2434 with the bottom wall of the second groove 123, the rotating base 2 includes a plurality of positioning portions 27 extending upward from the top surface of the third step 26 and a rib 28 connecting the positioning portions 27 and the second step 24, in this embodiment, the position where the rib 28 connects the second step 24 is a side wall of the receiving groove 242 away from the light source assembly 4. The reinforcing rib 28 and the positioning portion 27 are not higher than the second step 24. A plurality of the positioning portions 27 are provided around the second step 24 and spaced apart from each other. A gap is formed between the ring portion 29 and the groove wall and the bottom wall of the first groove 122.

As shown in fig. 2 and 5, the motor 3 includes a gear 31 protruding into the through hole 127, and the gear 31 cooperates with the ring gear 25 to drive the rotary base 2 to rotate.

As shown in fig. 2, fig. 6 and fig. 8, the light source assembly 4 is electrically connected to the main board 109, the light source assembly 4 includes a lamp panel 41 and a plurality of lamp beads 42 fixed to the lamp panel 41, the lamp panel 41 is fixed to the protruding portion 125 and is accommodated in the opening 21, the lamp panel 41 is located above the first step 23 and does not exceed the upper surface of the rotary base 2, a plurality of the protrusions 23a and the lamp panel 41 form gaps in the up-down direction, and a plurality of the protrusions 23a block the transition downward movement of the lamp panel 41. In this embodiment, the lamp panel 41 is fixed to the protrusion 125 by screws.

As shown in fig. 3, 12 and 11, the cover 5 is disposed above the light source assembly 4, the cover 5 includes a first portion 51 and a second portion 52 disposed above the first portion 51, in this embodiment, the first portion 51 and the second portion 52 are in a transparent rubber ring structure, and the first portion 51 abuts against the rotating base 2 downward. The first portion 51 includes a main body portion 511 extending in the vertical direction, an opening 512 penetrating through the main body portion 511, and a supporting portion 513 extending from the main body portion 511 in the horizontal direction, the main body portion 511 includes a matching portion 5111 engaged with the second portion 52, in this embodiment, the main body portion 511 is a hollow cylinder, the opening 512 is a circular hole, and the supporting portion 513 extends from the matching portion 5111 toward the center of the opening 512 to form a circular ring surrounding the opening 512, that is, the diameter of the circular hole of the corresponding portion with the supporting portion 513 of the opening 512 is smaller than the diameter of the circular hole at other positions. The first portion 51 further includes at least one hook 514 connected to the main body 511, the hook 514 extends in a direction away from the first portion 51, and the hook 514 first protrudes into the slot 241 and then rotates along the central axis of the opening 21 to be fastened to the slot wall of the slot 241. The hook 5142 protrudes into the first groove 2411 before being fastened to the fastening portion 243, the hook 514 moves from the first groove 2411 to the second groove 2412, the hook 5142 is fastened to the groove wall of the second groove 2412, the hook 514 moves from the second groove 2412 to the first groove 2411 to separate the cover 5 from the rotating base 22, in other words, when the cover 5 rotates clockwise, the hook 5142 is fastened to the rotating base 2, and when the cover 5 rotates counterclockwise, the hook 5142 and the rotating base 2 are mutually disengaged. The second portion 52 includes a press-connection portion 521, a through slot 522 vertically penetrating the press-connection portion 521, and a limiting portion 523 formed by extending downward from the press-connection portion 521, wherein the limiting portion 523 is fastened to the matching portion 5111 and located outside the matching portion 5111, the press-connection portion 521 is located above the supporting portion 513, and the press-connection portion 521 and the supporting portion 513 are parallel to each other and vertically aligned. The opening 512 and the through slot 522 are communicated with each other and have the same diameter.

As shown in fig. 3 and 12, the slide 6 includes a first film 61 disposed in the first portion 51 and a second film 62 disposed in the second portion 52, i.e., the slide 6 is separable from the housing 5. The light source assembly 4 is located in a space enclosed by the first film 61 and the second film 62. The first film 61 includes an unfolded state and a closed state, the unfolded state of the first film 61 is a film with a flat structure, so as to print patterns on a transparent film, the closed state of the first film 61 forms a cylindrical shape and is accommodated on the inner surface of the first portion 51, in other words, the shape of the closed state of the first film 61 matches with the shape of the second portion 52 to completely shield the inner surface of the first portion 51, and the connecting ends of the first film 61 are partially overlapped to prevent the first portion 51 from having a part uncovered by the first film 61. The supporting portion 513 is located above the first film 61, the bottom of the first film 61 is flush with the bottom of the first portion 51, the supporting portion 513 and the rotary seat 22 together limit the movement of the first film 61 in the up-down direction, and in this embodiment, the first film 61 is abutted to the supporting portion 513 upward. The second film 62 is located below the press-connection part 521, the second film 62 includes an intermediate part 621 and an edge part 622 formed by extending from the intermediate part 621 along a horizontal direction, a diameter of the intermediate part 621 is equal to a diameter of the through groove 522, the intermediate part 621 is exposed to the through groove 522 upwards and exposed to the opening 512 downwards, so that light emitted by the lamp bead 42 directly penetrates through the intermediate part 621 and the housing 7 to irradiate on a projection surface, the projected pattern is clearer, the support part 513 supports the edge part 622 upwards, and the press-connection part 521 presses the edge part 622 downwards, that is, the edge part 622 is located between the support part 513 and the press-connection part 521, so as to prevent the second film 62 from moving upwards and downwards. In this embodiment, the second movie 62 is a circular film.

As shown in fig. 7, 10 and 14, the housing 7 is disposed on the outer side of the cover 5, the housing 7 includes a base 71, an extending portion extending downward from the base 71, and a receiving cavity 73 recessed upward from a bottom surface of the extending portion, the receiving cavity 73 extends upward to the base 71, the extending portion protrudes horizontally from the base 71, a step surface 711 is formed on the bottom surface of the base 71, and the step surface 711 is located at a connection position of the base 71 and the extending portion. The housing 7 further includes a locking portion 74 extending from an inner surface of the extending portion toward the light source assembly 4, the locking portion 74 includes a vertical section 741, a horizontal section 742 extending horizontally from the vertical section 741, and a protrusion 743 connecting the horizontal section 742, the vertical section 741 is connected to the step surface 711, a receiving space 744 is formed between the horizontal section 742 and the step surface 711, the protrusion 743 is received in the gap 2434 and connected to the step surface 711, the horizontal section 742 is received in the gap 2434, the horizontal section 2431 is received in the receiving space 744, the vertical portion 2432 blocks the horizontal section 742 from over-rotating, the protrusion 743 and the recess 2433 cooperate to prevent the housing 7 from automatically axially rotating, the vertical section 741 blocks the horizontal section 2431 from over-rotating, that is, the housing 7 rotates clockwise, the horizontal section 742 is fastened to the horizontal portion 2431, the housing 7 rotates in a counterclockwise direction, the horizontal section 742 and the horizontal portion 2431 are disengaged from each other, in other words, when the rotating seat rotates clockwise, the horizontal section 742 and the horizontal portion 2431 are disengaged from each other, and when the rotating seat 2 rotates counterclockwise, the horizontal section 742 is fastened to the horizontal portion 2431. In this embodiment, the housing 7 is a translucent frosted cover, and when the power is turned on, the first and second slides 61 and 62 are projected on the ceiling or wall through the housing 7.

As shown in fig. 1, the projection night light 100 further includes a top cover 8 covering the housing 7, the top cover 8 can be fixed on the housing 7 or detachably connected to the housing 7, the structure of the top cover 8 generally forms an umbrella structure, and the bottom of the top cover forms a holding portion 81, the holding portion 81 is disposed around the housing 7, and a plurality of small animals 9 are mounted on the holding portion 81 and spaced apart from each other.

As shown in fig. 1 and 13, the projection night light 100 further includes a plurality of small animals 9 inserted into the positioning portion 27 in a one-to-one correspondence manner. The small animal 9 can be movably inserted into the positioning part 27 or fixedly mounted on the positioning part 27. The small animal 9 comprises a foot patch part and a body 92 connected with the foot part 91, the foot part 91 is inserted downwards into the protruding concave hole and is arranged higher than the second step 24, the height of the body 92 is approximately one third of the height of the shell 7, the foot part 91 can be movably arranged relative to the positioning part 27, and can also be fixedly arranged, for example, the foot part 91 is adhered on the positioning part 27 by glue. In other embodiments, the small animal 9 can be fixed to the holding portion 81, so that the small animal 9 is inverted.

As shown in fig. 1, 2 and 3, when assembling, the battery 11, the main board 10 and the speaker 12 are first mounted on the base 11, the motor 3 is then fixed to the base 11, and the cover 12 is fixed to the base 11; then, the rotating base 2 is mounted on the cover 12, the light source assembly 4 is fixed on the cover 12, the cover 5 is rotatably fastened to the fixing base 1 with respect to the fixing base 1, the housing 7 is rotatably fastened to the rotating base 2, and the top cover 8 is mounted on the housing 7 recently.

Fig. 17 shows a projection night lamp 100 according to a second embodiment of the present invention, which is substantially the same as the first embodiment, and has the following differences: the small animals 9 are mounted on the top cover 8 and arranged around the housing 7, the small animals 9 include the body 92 and the feet 91 extending upward from the body 92, the feet are mounted on the holding portion 81, and the body 92 is located above the rotary base 2. In other embodiments, a plurality of the small animals 9 may be hung upside down on the top cover 8.

To sum up, the utility model discloses a projection night-light has following beneficial effect:

(1) the rotating base 2 comprises a containing groove 242 formed by downwards concave from the top surface of the rotating base and a clamping part 243 formed by extending one of the groove walls of the containing groove 242 along the horizontal direction, the shell 7 is covered above the projection component, the shell 7 comprises a locking part 74 extending into the containing groove 242 and rotationally buckled on the clamping part 243, so that the shell 7 is restrained from moving upwards, when a user needs to replace a projection film, the shell 7 can be taken down only by rotating the shell 7, convenience and simplicity are realized, and the damage to the rotating base 2 caused by hard interference between the shell 7 and the rotating base 2 is avoided.

(2) The holding portion 243 includes a vertical portion 2432 and a horizontal portion 2431 connected to the vertical portion 2432, the locking portion 74 includes a vertical section 741 and a horizontal section 742 connected to the vertical section 741, the horizontal section 742 is located below the horizontal portion 2431, the vertical portion 2432 blocks the horizontal section 742 from over-rotating, and the vertical section 741 blocks the horizontal portion 2431 from over-rotating, so as to define a releasing direction of the housing 7 and the swivel base 2, which is convenient for an operator to use.

(3) The locking portion 74 includes a protrusion 743 connecting the stepped surface 711 and the horizontal section 742, and the protrusion 743 is received in the gap 2434 and is engaged with a recess 2433 of the horizontal section 2431 to limit the rotation of the housing 7, so as to prevent the housing 7 from being easily released due to vibration.

(4) The rotating base 2 comprises a plurality of positioning parts 27 arranged around the accommodating groove 242, a reinforcing rib 28 is formed between the positioning parts 27 and the side wall of the accommodating groove 242 far away from the light source assembly 4, and the positioning parts 27 are used for inserting the small animals 9, so that the fun of children is increased.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.

Claims (10)

1. A projection nightlight, comprising:

the light source component is fixed on the fixed seat;

the rotating seat is movably arranged on the fixed seat, the light source component is upwards exposed out of the rotating seat, and the rotating seat comprises an accommodating groove formed by downwards recessing the top surface of the rotating seat and a clamping part formed by extending one groove wall of the accommodating groove along the horizontal direction;

the projection component is arranged on the rotating seat and covered above the light source component, and the accommodating groove is positioned on the outer side of the projection component;

the shell is covered on the outer side of the projection component and comprises a locking part which extends into the containing groove and is rotationally buckled with the clamping part, so that the shell is restrained from moving upwards;

and the motor drives the rotating seat to rotate.

2. The projection nightlight of claim 1, wherein: the shell rotates clockwise the lock catch part to be buckled with the clamping part, the shell rotates anticlockwise, and the lock catch part and the clamping part are mutually disengaged.

3. The projection nightlight of claim 1, wherein: the clamping part extends from the groove wall of the containing groove towards the direction far away from the light source assembly, the locking part extends from the inner wall surface of the shell towards the direction close to the light source assembly, and the locking part is positioned below the clamping part.

4. The projection nightlight of claim 3, wherein: the clamping part comprises a vertical part and a horizontal part connected with the vertical part, the lock catch part comprises a vertical section and a horizontal section connected with the vertical section, the horizontal section is located below the horizontal part, the vertical part blocks the horizontal section from excessively rotating, and the vertical section blocks the horizontal section from excessively rotating.

5. The projection nightlight of claim 4, wherein: the shell comprises a base and an extension part horizontally and convexly arranged relative to the base, the locking part extends from the inner surface of the extension part, a step surface is formed on the inner surface of the joint of the extension part and the base, a gap is formed between the horizontal section and the step surface, and the horizontal part is accommodated in the gap.

6. The projection nightlight of claim 5, wherein: the locking part comprises a convex part which is connected with the step surface and the horizontal section, and the convex part is accommodated in the gap and matched with a concave part of the horizontal section to limit the rotation of the shell.

7. The projection nightlight of claim 5, wherein: the vertical section is upwards connected with the step surface, the vertical part is downwards connected with the bottom wall of the containing groove, a containing space is formed between the horizontal part and the bottom wall of the containing groove, and the horizontal section is contained in the containing space.

8. The projection nightlight of claim 7, wherein: the roating seat is including running through from top to bottom the groove of stepping down of the diapire of accepting groove, the groove of stepping down corresponds the horizontal part sets up, the length of groove on the horizontal direction of stepping down is greater than the length that the horizontal segment extends along the horizontal direction.

9. The projection nightlight of claim 1, wherein: the rotating seat comprises a plurality of positioning parts arranged around the accommodating groove, and the positioning parts are used for inserting small animals.

10. The projection nightlight of claim 9, wherein: the rotating seat further comprises a reinforcing rib which is connected with the positioning part and the side wall of the accommodating groove.

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