CN214795545U

CN214795545U - Projection device

Info

Publication number: CN214795545U
Application number: CN202121241271.8U
Authority: CN
Inventors: 许龙才
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-19
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a projection arrangement, projection arrangement includes: the fixing seat is a groove which is downwards concavely arranged from the top surface of the fixing seat; the light source component is fixed on the fixed seat; the rotating seat is movably arranged in the groove and is not higher than the top surface of the fixed seat, the light source component is upwards exposed out of the rotating seat, and the motor drives the rotating seat to rotate; the cover body is buckled on the rotary seat and is covered above the light source component, the cover body comprises a first part and a second part covered above the first part, the second part comprises a limiting part, a through groove penetrating through the limiting part and a crimping part formed by extending from the limiting part to the light source component, the first part is contained in the through groove, the limiting part is buckled on the first part, and the crimping part is positioned above the first part; the slide comprises a first film arranged at the first part and a second film accommodated in the through groove, the second film is positioned between the first part and the press-connection part, and the second film is upwards exposed out of the through groove; the upper cover, rotatory buckle fixing base and cover are established in the outside of the cover body.

Description

Projection device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a projection arrangement technical field, in particular to developments projection arrangement.

Background

The existing projection device comprises a fixed seat, a rotating seat arranged on the fixed seat, a light source assembly, a shell fixed on the rotating seat and a projection sheet arranged on the shell, wherein the shell comprises a first part and a second part buckled on the outer side of the first part, the first part and the second part are both of a transparent rubber ring structure, and the first part comprises a base part and a through hole penetrating through the base part from top to bottom. The second portion includes along the spacing portion that upper and lower direction extension formed and certainly the bottom surface of spacing portion is upwards sunken to establish a recess that forms, promptly the recess does not upwards run through the top surface of spacing portion, spacing portion buckle in the outside of basal portion, the projection film includes a first film and is located a second film of first film top, first film sets up the inner wall in logical groove, the second film accept in the recess and with the profile phase-match at the top of recess.

Because the top surface of the limiting part completely covers the second film, light emitted by the light source assembly needs to penetrate through the first film and then penetrate through the top surface of the limiting part, and finally, patterns are projected.

Therefore, there is a need to design a new projection device to overcome the above problems.

[ Utility model ] content

To solve the problems encountered in the related art, the present invention provides a projection apparatus, wherein the second film is located between the first portion and the press-bonding portion, and the second film is upwardly exposed from the through groove.

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

a projection device, comprising: the fixing seat comprises a groove which is concavely arranged downwards from the top surface of the fixing seat; the light source component is fixed on the fixed seat; the rotating seat is movably arranged in the groove and is not higher than the top surface of the fixed seat, the light source component is upwards exposed out of the rotating seat, and the motor drives the rotating seat to rotate; the cover body is buckled on the rotary seat and is covered above the light source assembly, the cover body comprises a first part and a second part covered above the first part, the second part comprises a limiting part, a through groove penetrating through the limiting part and a crimping part formed by extending from the limiting part towards the light source assembly, the first part is contained in the through groove, the limiting part is buckled with the first part, and the crimping part is positioned above the first part; the slide comprises a first film arranged at the first part and a second film accommodated in the through groove, the second film is positioned between the first part and the press-connection part, and the second film is upwards exposed in the through groove; and the upper cover is covered on the outer side of the cover body.

Further, the crimping part extends from the limiting part along the horizontal direction to form a circular ring structure surrounding the through groove.

Further, the second movie film comprises a middle part and a edge part formed by extending from the middle part along the horizontal direction, the middle part is exposed upwards from the through groove, and the pressing part is abutted downwards against the edge part.

Further, the first portion includes a supporting portion formed by extending the main body portion in a horizontal direction, and the edge portion is located between the supporting portion and the crimping portion.

Further, the support portion is disposed in parallel with the crimping portion.

Further, the first portion includes an opening extending through the body portion, the support portion forms a ring disposed around the opening, and the intermediate portion is exposed downwardly from the opening.

Further, the supporting portion supports the edge portion upward, the press-contact portion abuts against the edge portion downward, and the supporting portion blocks the first movie from moving upward.

Furthermore, the first portion comprises a plurality of hooks extending towards the direction far away from the light source assembly, and the hooks protrude into the clamping grooves of the rotating seat and are rotationally buckled on the rotating seat.

Furthermore, the rotating seat comprises an opening penetrating through the upper surface and the lower surface of the rotating seat, the fixed seat comprises at least one protruding part protruding upwards from the bottom surface of the groove and extending into the opening, and the light source component is fixed on the protruding part and contained in the opening.

Further, a plurality of the protruding portions are arranged around the opening and lower than the top surface of the rotating seat.

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

the second part comprises a limiting part, a through groove penetrating through the limiting part and a press connection part formed by extending from the limiting part towards the light source assembly, the first part is contained in the through groove, the limiting part is buckled with the first part, the press connection part is positioned above the first part, the second film is positioned between the first part and the press connection part, and the second film is restrained from moving up and down; in addition, the second film is upwards exposed from the through groove, and the transmittance of the light source assembly is increased, so that the definition of the pattern projected by the projection film is better, and the requirement of a user on the projection effect is met.

[ description of the drawings ]

Fig. 1 is a perspective view of a projection apparatus of the present invention;

FIG. 2 is an exploded perspective view of FIG. 1;

FIG. 3 is an exploded perspective view of the fixing base, the light source assembly and the rotating base shown in FIG. 2;

FIG. 4 is a combination view of the fixing base, the light source module and the rotating base shown in FIG. 3;

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

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

FIG. 7 is a perspective view of the cover and the rotary base of FIG. 2;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;

FIG. 9 is a partial enlarged view of c in FIG. 8;

FIG. 10 is an exploded perspective view of the mask body of FIG. 7;

reference numerals for specific embodiments illustrate:

projection device 100	Fixed seat 1	Base 11	Cover 12
				Through hole 121	Groove 122	Via 123	Protrusion 124
Holding part 125	Buckling part 126	Cavity 13	Rotating base 2
				Opening 21	First step 22	Second step 23	Card slot 24
First groove 241	Second groove 242	Gear ring 25	Electric machine 3
				Gear 31	Light source assembly 4	Lamp panel 41	Lamp bulb 42
Cover body 5	First part 51	Main body portion 511	Fitting portion 5111
				Supporting part 512	Opening 513	Hook 514	Second portion 52
Limiting part 521	Crimping portion 522	Through groove 523	Slide 6
				First movie 61	Second movie 62	Middle part 621	Edge portion 622
Upper cover 7	Main board 8	Battery 9

[ 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 and fig. 2, which is the projection apparatus 100 of the present invention, the projection apparatus 100 includes a fixing base 1, a light source assembly 4 fixed to the fixing base 1, a movable mounting in a rotary base 2 of the fixing base 1, a cover body 5 of the rotary base 2, and a projection sheet 6 accommodated in the cover body 5, a driving motor 3 of the rotary base 2, a main board 8 and a battery 9 accommodated in the fixing base 1, and an upper cover 7 fastened to the fixing base 1, the battery 9 and the motor 3 all electrically connected to the main board 8.

As shown in fig. 2 and 3, the fixing base 1 includes a base 11 and a cover 12 fastened on the base 11, the base 11 and the cover 12 form a cavity 13, and the main board 8 and the battery 9 are accommodated in the cavity 13. The cover 12 includes a recess 122 formed by recessing downward from the upper surface thereof, a through hole 121 and a through hole 123 vertically penetrating the cover 12, the through hole 121 and the through hole 123 vertically penetrate the bottom wall of the recess 122, the through hole 123 is located outside the through hole 121, the diameter of the through hole 121 is larger than that of the through hole 123, and the recess 122 is communicated with the cavity 13. The cover 12 further includes a plurality of holding portions 125 and a plurality of protruding portions 124 disposed around the through hole 121, the holding portions 125 and the protruding portions 124 are formed by extending upward from the bottom wall of the groove 122, the holding portions 125 and the protruding portions 124 are not higher than the top surface of the cover 12, the holding portions 125 are lower than the protruding portions 124, the holding portions 125 and the protruding portions 124 are alternately disposed around the axial direction of the through hole 121, the protruding portions 124 are closer to the center of the through hole 121 than the holding portions 125, and the through hole 123 is located outside the supporting post. The cover 12 is provided with a fastening portion 126 formed by recessing from the outer surface of the cover 12 along the horizontal direction toward the through hole 121, the cover 12 is substantially cylindrical, and the fastening portions 126 are distributed along the axial direction of the cover 12.

As shown in fig. 3, 4 and 6, the rotating base 2 is accommodated in the recess 122, the top surface of the rotating base 2 is not higher than the top surface of the fixing base 1, the rotating base 2 includes an opening 21 penetrating through the upper and lower surfaces thereof, and a first step 22, a second step 23 and a gear ring 25 arranged around the opening 21, the opening 21 is communicated with the through hole 121 and aligned with the through hole 121 in the vertical direction, the diameter of the opening 21 is larger than that of the through hole 121, and the first step 22 is lower than the second step 23. The retaining portion 125 and the protruding portion 124 both protrude upwards into the opening 21, the retaining portion 125 is fastened to the first step 22 to prevent the rotating base 2 from moving upwards, and the protruding portion 124 is disposed upwards beyond the second step 23 but lower than the top surface of the rotating base 2. The rotating base 2 further includes a plurality of slots 24 disposed around the opening 21, the slots 24 vertically penetrate through the rotating base 2, each slot 24 includes a first slot 241 and a second slot 242 communicating with the first slot 241, a width of the first slot 241 in a horizontal direction is greater than a width of the second slot 242 in the horizontal direction, the fastening portion 243 is formed on a slot wall of the second slot 242, a guiding surface 244 is formed at a connection position between a slot wall of the second slot 242 and a slot wall of the first slot 241, and a blocking portion is formed on one side of the guiding surface 244 away from the first slot 241 to limit the cover 5 from being separated from the fixing base 1 due to vibration.

As shown in fig. 2 and 3, the motor 3 includes a gear 31 protruding into the through hole 123, and the gear 31 cooperates with the gear ring 25 to drive the rotary base 2 to rotate.

As shown in fig. 3, 4 and 6, the light source assembly 4 is electrically connected to the main board 8, 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 124 and is accommodated in the opening 21, and the lamp panel 41 is located above the second step 23 and does not exceed the upper surface of the rotary base 2. In this embodiment, the lamp panel 41 is fixed to the protruding portion 124 through a screw, the light emitted by the lamp bead 42 irradiates on the first slide 61 and the second slide 62, and the pattern on the first slide 61 and the second slide 62 can be seen through the first portion 5.

As shown in fig. 2, 9 and 10, the cover 5 is disposed above the light source assembly 4, the cover 5 includes a first portion 5 and a second portion 52 disposed above the first portion, in this embodiment, the first portion 51 and the second portion 52 are a transparent rubber ring structure, and the first portion 51 is abutted to the rotary base 2 downward. The first portion 51 includes a main body portion 511 extending in the vertical direction, an opening 513 penetrating through the main body portion 511, and a supporting portion 512 extending in the horizontal direction from the main body portion 511, where 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 513 is a circular hole, and the supporting portion 512 extends from the matching portion 5111 toward the center of the opening 513 to form a circular ring around the opening 513, that is, the diameter of the opening 513 at the circular hole corresponding to the portion where the supporting portion 512 is disposed may be smaller than the diameter at other positions. The first portion 51 further includes at least one hook 514 connected to the main body 511, the hook 53 extends in a direction away from the first portion 51, and the hook 53 first protrudes into the slot 24 and then rotates along the central axis of the opening 21 to be fastened to the slot wall of the slot 24. The hook 53 protrudes into the slot 24 and then rotates along the central axis of the opening 21 to be fastened to the slot wall of the slot 24. That is, the hook 514 protrudes into the first groove 241 before being fastened to the fastening portion 243, the fastening hook 514 moves from the first groove 241 to the second groove 242 and is fastened to the groove wall forming the second groove, the guiding surface 244 plays a guiding role when the fastening hook 514 moves from the first groove 241 to the second groove 242, and the blocking portion blocks the cover 5 from rotating towards the first groove 241. The hook 514 moves from the second groove 242 to the first groove 241, and the cover body is separated from the rotating base. In this embodiment, there are a plurality of hooks 514, but in other embodiments, there may be at least two hooks 514 (see fig. 8). The second portion 52 includes a limiting portion 521, a press-connection portion 522 extending horizontally from the limiting portion 521, and a through slot 523 passing through the press-connection portion 522 vertically, wherein the limiting portion 521 is fastened to the matching portion 5111 and located outside the matching portion 5111, the press-connection portion 522 is located above the supporting portion 512, and the press-connection portion 522 and the supporting portion 512 are parallel to each other and aligned vertically. The opening 513 and the through groove 523 are communicated with each other and have the same diameter.

As shown in fig. 7, 9 and 10, 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 detachably disposed 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 512 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 512 and the rotating base 2 together limit the movement of the first film 61 in the up-down direction, in this embodiment, the first film 61 abuts against the supporting portion 512 upwards. The second movie 62 is a circular film, the second movie 62 includes a middle portion 621 and an edge portion 622 formed by extending from the middle portion 621 along a horizontal direction, a diameter of the middle portion 621 is equal to a diameter of the through groove 523, the middle portion 621 is exposed upwards from the through groove 523 and exposed downwards from the opening 513, so that light emitted by the lamp bead 42 directly penetrates through the middle portion 621 and the upper cover 7 to irradiate on a projection surface, the projected pattern is clearer, the supporting portion 512 supports the edge portion 622 upwards, and the pressing portion 522 presses the edge portion 622 downwards, that is, the edge portion 622 is located between the supporting portion 512 and the pressing portion 522, so as to prevent the second movie 62 from moving upwards and downwards.

As shown in fig. 1 and 2, the upper cover 7 is disposed on the outer side of the cover body 5, the upper cover 7 extends from the inner surface of the upper cover 7 toward the center of the upper cover 7 to form a locking portion, and the locking portion and the fastening portion 126 are fixed to each other, so as to prevent the upper cover 7 from being detached from the fixing base 1.

As shown in fig. 1 and 2, during assembly, the battery 9 and the main board 8 are first mounted on the base 11, the motor 3 is then fixed to the cover 12 or the base 11, and the cover 12 is fixed to the base 11; then, the rotating base 2 is installed on the cover 12, the light source assembly 4 is fixed on the cover 12, the cover 5 is rotated to be fastened to the rotating base 2, and finally the upper cover 7 is rotated to be fastened to the fixing base 1.

To sum up, the utility model discloses a projection device has following beneficial effect:

(1) the second portion 52 includes a limiting portion 521, a through groove 523 penetrating through the limiting portion 521, and a press-connection portion 522 extending from the limiting portion 521 toward the light source assembly 4, the first portion 51 is accommodated in the through groove 523, the limiting portion 521 is fastened to the first portion 51, the press-connection portion 522 is located above the first portion 51, and the second film 62 is located between the first portion 51 and the press-connection portion 522, so as to inhibit the second film 62 from moving up and down; in addition, the second film 62 is upwardly exposed from the through groove 523, so that the transmittance of the light source assembly 4 is increased, the definition of the pattern projected by the projection sheet 4 is better, and the requirement of a user on the projection effect is met.

(2) The supporting portion 512 limits the upward movement of the first film 61, and supports the edge portion 622 upward, and the pressing portion 522 abuts against the edge portion 622 downward, so as to restrain the first film and the second film from moving up and down.

(3) The second film 62 is located between the supporting portion 512 and the pressing portion 522, and restricts the second film from moving up and down.

(4) The rotating base 2 comprises an opening 21 penetrating through the upper surface and the lower surface of the rotating base, the fixing base 1 comprises at least one protruding portion 124 protruding into the opening 21, and the light source assembly 4 is fixed on the protruding portion 124 and contained in the opening 21, so that the light source assembly 4 is closer to the through groove, the brightness is higher, and the definition of the pattern projected by the projection device 100 is improved.

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

1. A projection device, comprising:

the fixing seat comprises a groove which is concavely arranged downwards from the top surface of the fixing seat;

the light source component is fixed on the fixed seat;

the rotating seat is movably arranged in the groove and is not higher than the top surface of the fixed seat, the light source component is upwards exposed out of the rotating seat, and the motor drives the rotating seat to rotate;

the cover body is buckled on the rotary seat and is covered above the light source assembly, the cover body comprises a first part and a second part covered above the first part, the second part comprises a limiting part, a through groove penetrating through the limiting part and a crimping part formed by extending from the limiting part towards the light source assembly, the first part is contained in the through groove, the limiting part is buckled with the first part, and the crimping part is positioned above the first part;

the slide comprises a first film arranged at the first part and a second film accommodated in the through groove, the second film is positioned between the first part and the press-connection part, and the second film is upwards exposed in the through groove;

and the upper cover is fixed on the fixed seat of the rotary buckle and covers the outer side of the cover body.

2. A projection device as claimed in claim 1, characterized in that: the crimping part extends from the limiting part along the horizontal direction to form a circular ring structure surrounding the through groove.

3. A projection device as claimed in claim 1, characterized in that: the second movie film comprises a middle part and an edge part which is formed by extending from the middle part along the horizontal direction, the middle part is exposed upwards from the through groove, and the pressing part is abutted downwards against the edge part.

4. A projection device as claimed in claim 3, wherein: the first part comprises a main body part and a supporting part formed by extending the main body part along the horizontal direction, and the edge part is positioned between the supporting part and the crimping part.

5. The projection device of claim 4, wherein: the supporting part is arranged in parallel with the crimping part.

6. The projection device of claim 4, wherein: the first portion includes an aperture extending through the body portion, the support portion forms a ring disposed about the aperture, and the intermediate portion is exposed downwardly from the aperture.

7. A projection device as claimed in claim 6, wherein: the supporting portion supports the edge portion upwards, the press-connection portion abuts against the edge portion downwards, and the supporting portion blocks the first film from moving upwards.

8. A projection device as claimed in claim 1, characterized in that: the first part comprises a plurality of clamping hooks extending towards the direction far away from the light source component, and the clamping hooks protrude into the clamping grooves of the rotating seat and are rotationally clamped on the rotating seat.

9. A projection device as claimed in claim 1, characterized in that: the rotary seat comprises an opening penetrating through the upper surface and the lower surface of the rotary seat, the fixed seat comprises at least one protruding part protruding upwards from the bottom surface of the groove and extending into the opening, and the light source component is fixed on the protruding part and contained in the opening.

10. A projection device as claimed in claim 9, wherein: the plurality of protruding parts are arranged around the opening and are lower than the top surface of the rotating seat.