CN215006214U

CN215006214U - Projection device

Info

Publication number: CN215006214U
Application number: CN202121241274.1U
Authority: CN
Inventors: 许龙才
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-03
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a projection arrangement, projection arrangement includes: the light source is fixed on the fixed seat; the rotating seat is movably arranged on the fixed seat, the light source is upwards exposed out of the rotating seat, and the motor drives the rotating seat to rotate; the cover body is fixed on the rotating seat and covers the light source, the cover body comprises a first part and a second part covering the first part, and the first part comprises a matching part and a supporting part extending from the matching part to the center of the cover body; the slide comprises a first film arranged on the first part and a second film arranged on the second part, the supporting part upwards supports the second film and blocks the first film from upwards moving, and the second part is buckled with the matching part.

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

A prior projection device comprises a fixed seat, a rotating seat arranged on the fixed seat, a light source assembly and a projection shell fixed on the rotating seat, wherein the projection shell is covered above the light source assembly, the projection shell comprises a base part and an inner side projection film assembled on the base part, the base part comprises a first part and a second part positioned above the first part, the projection film comprises a first film arranged on the first part and a second film arranged on the second part, the first part is of a transparent rubber ring structure and comprises a base part and a through hole penetrating through the base part from top to bottom, a blocking part is formed at the top edge of the base part, the second film comprises an edge part pressed on the blocking part, and the second part is pressed on the edge part.

Because the thickness of the second film is very thin, if the edge part on the second film abuts against the blocking part formed on the top edge of the rubber ring, the area for supporting the second film on the first part is very small, the second film easily slides into the through hole in the process of replacing the second film or vibrating the product, the difficulty of replacing the second film is increased, or the second film is easily moved upwards due to the dislocation of the first film, so that the first film, the second film and the rotating seat do not form a space for closing the light source assembly, the light emitted by the light source assembly is not directly emitted through the projection film, the projected pattern has a large area, and the projected blank effect cannot be met.

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

[ Utility model ] content

To the problem that the background art faces, the utility model provides a first portion includes the supporting part that forms from cooperation portion towards the central direction extension of the cover body, the supporting part upwards supports the second film just blocks first film rebound's projection arrangement.

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

a projection device, 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 motor drives the rotating seat to rotate; the cover body is fixed on the rotating seat and covers the light source assembly, the cover body comprises a first part and a second part covering the first part, and the first part comprises a matching part and a supporting part extending from the matching part to the center of the cover body; the slide comprises a first film arranged on the first part and a second film arranged on the second part, the supporting part upwards supports the second film and blocks the first film from upwards moving, and the second part is buckled with the matching part.

Further, the second portion includes a limiting portion fastened to the fitting portion and a press-connection portion extending from the limiting portion in a horizontal direction, and the press-connection portion is pressed against the second film.

Further, the bottom end of the first portion is abutted against the rotating seat downwards, the bottom end of the first film is flush with the bottom end of the first portion, and the top end of the first film does not protrude upwards out of the top end of the first portion.

Further, the supporting portion extends from the matching portion along the horizontal direction to form, the second film is located between the supporting portion and the press-connection portion, and the limiting portion is located on the outer side of the matching portion.

Further, the matching part comprises a convex hull formed by extending, and the convex hull is in interference fit with the limiting part.

Further, the first portion includes an opening penetrating the supporting portion from top to bottom, the second film is exposed to the opening from bottom to top, the second portion includes a through groove penetrating the press-connecting portion from top to bottom, and the second film is exposed to the through groove from top to bottom.

Further, the width of the opening in the horizontal direction is equal to the width of the through groove in the horizontal direction.

Furthermore, the projection device further comprises an upper cover arranged above the cover body in a covering mode, and the upper cover is fixed on the fixed seat.

Furthermore, the rotating seat comprises an opening penetrating through the upper surface and the lower surface of the rotating seat and a first step arranged around the opening, the fixed seat comprises at least one clamping part protruding into the opening, and part of the clamping part is positioned above the first step.

Furthermore, the connecting lines among the clamping parts form a triangle.

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

through the cover body includes a first portion and is located a second portion of first portion top, first portion include from cooperation portion court the supporting part that the central direction of the cover body extends the formation, the supporting part upwards supports the second film, the downward crimping of second portion second film and lock in cooperation portion has increased first portion upwards supports the area of second film suppresses the second film is changing or the in-process landing of product vibrations the through-hole to the realization is convenient for change the second film, simultaneously, ensures first film the second film with the roating seat seals jointly the space of light source subassembly makes the light that the light source subassembly sent all passes through just jet out behind the projection piece, makes the pattern that the projection was come out complete even, the projection effect that satisfies.

[ 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, a connecting line between the plurality of holding portions 125 is triangular, 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 pillar. 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) through the first portion 5 comprises a first portion 51 and a second portion 52 located above the first portion 51, the first portion 51 comprises a supporting portion 512 extending from the matching portion 5111 toward the center direction of the first portion 5, the supporting portion 512 supports the second film 62 upwards, the second portion 52 is pressed downwards and is buckled with the matching portion 5111, the area of the first portion 51 supporting the second film 62 upwards is increased, the second film 62 is prevented from sliding down from the through hole 123 in the process of replacement or product vibration, so that the second film 62 is convenient to replace, meanwhile, the first film 61, the second film 62 and the rotary base 2 are ensured to jointly seal the space of the light source assembly 4, and the light emitted by the light source assembly 2 passes through the projection sheet 6, so that the projected patterns are complete and uniform, the satisfied projection effect.

(2) The second film 62 includes a middle portion 621 and an edge portion 622 extending from the middle portion 621 in a horizontal direction, the middle portion 621 is exposed upward from the through groove 523, the edge portion 622 is located between the press-bonding portion 522 and the supporting portion 512, and the light transmittance of the light source assembly 4 is ensured while the second film 62 is fixed to the first portion 5.

(3) The first part 51 is abutted downwards against the rotary base 2, the bottom of the first film 61 is flush with the bottom of the first part 51, and the first film 61 is abutted upwards against the supporting part 512 to inhibit the first film 61 from moving upwards and downwards.

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 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 motor drives the rotating seat to rotate; the cover body is fixed on the rotating seat and covers the light source assembly, the cover body comprises a first part and a second part covering the first part, and the first part comprises a matching part and a supporting part extending from the matching part to the center of the cover body; the slide comprises a first film arranged on the first part and a second film arranged on the second part, the supporting part upwards supports the second film and blocks the first film from upwards moving, and the second part is buckled with the matching part.

2. A projection device as claimed in claim 1, characterized in that: the second part comprises a limiting part buckled on the matching part and a press-connection part formed by extending the limiting part along the horizontal direction, and the press-connection part is pressed and connected with the second film downwards.

3. A projection device as claimed in claim 2, wherein: the bottom of first portion is the butt downwards the roating seat, the bottom of first movie with the bottom of first portion flushes the setting, the top of first movie does not upwards protruding stretch out the top of first portion.

4. A projection device as claimed in claim 2, wherein: the supporting part extends from the matching part along the horizontal direction to form, the second film is located between the supporting part and the press-connection part, and the limiting part is located on the outer side of the matching part.

5. The projection device of claim 4, wherein: the matching part comprises a convex hull formed by extending, and the convex hull is in interference fit with the limiting part.

6. A projection device as claimed in claim 1, characterized in that: the first part comprises an opening which vertically penetrates through the supporting part, the second film is exposed downwards from the opening, the second part comprises a pressing part and a through groove which vertically penetrates through the pressing part, and the second film is exposed upwards from the through groove.

7. A projection device as claimed in claim 6, wherein: the width of the opening in the horizontal direction is equal to the width of the through groove in the horizontal direction.

8. A projection device as claimed in claim 1, characterized in that: the projection device further comprises an upper cover arranged above the cover body in a covering mode, and the upper cover is fixed on the fixed seat.

9. A projection device as claimed in claim 8, wherein: the rotating seat comprises an opening penetrating through the upper surface and the lower surface of the rotating seat and a first step arranged around the opening, the fixed seat comprises at least one clamping part protruding into the opening, and part of the clamping part is positioned above the first step.

10. A projection device as claimed in claim 9, wherein: the connecting lines among the clamping parts form a triangle.