CN220651045U - Imaging device - Google Patents

Abstract

The utility model discloses an imaging device, comprising: the imaging disc comprises a main disc, an imaging sheet and an auxiliary disc, wherein the imaging sheet is fixed between the main disc and the auxiliary disc, and the main disc comprises a main body part and a rotating shaft part which is formed by extending downwards from the main body part; the bearing plate comprises a bearing groove formed by downwards concavely arranging the top surface of the bearing plate and a light hole which is vertically communicated with the bearing groove, the imaging sheet is downwards exposed in the light hole, and the rotating shaft part downwards protrudes into the light hole; a motor assembly for driving the imaging plate to rotate relative to the carrier plate; the light source component is located the below of light trap, the light that the light source component sent is in proper order through the light trap, the spindle portion, the master disc, the imaging piece reaches the auxiliary disc, the light trap has spacing and the effect of printing opacity simultaneously, simple process, with low costs, in addition the imaging disc is when satisfying the rotation, is convenient for the change of imaging disc, long service life.

Description

Imaging device

[ field of technology ]

The utility model relates to the technical field of imaging devices, in particular to an imaging device convenient to limit.

[ background Art ]

An existing imaging device comprises an LED lamp, a bearing disc arranged above the LED lamp and a projection disc arranged on the bearing disc. The bearing plate comprises a clamping groove and a through hole which penetrate through the upper surface and the lower surface of the bearing plate, the clamping groove is formed by a plurality of elastic arms, the LED lamp is arranged in vertical alignment with the through hole, and the projection plate comprises a buckling part which is buckled downwards.

Because, in the above-mentioned structure, form on the loading disc draw-in groove with two different parts of through-hole, increase technology, increase cost, in addition, when changing the projection dish, need multiple plug projection dish, the bullet arm is broken easily, and life is short.

Therefore, there is a need to design a new image forming apparatus to overcome the above-described problems.

[ utility model ]

In view of the problems faced by the background technology, the utility model provides an imaging device with a rotating shaft part matched with a light hole.

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

an image forming apparatus comprising: the imaging disc comprises a main disc, an imaging sheet and an auxiliary disc, wherein the imaging sheet is fixed between the main disc and the auxiliary disc, and the main disc comprises a main body part and a rotating shaft part which is formed by extending downwards from the main body part; the bearing plate comprises a bearing groove formed by downwards concavely arranging the top surface of the bearing plate and a light hole which is vertically communicated with the bearing groove, the imaging sheet is downwards exposed in the light hole, and the rotating shaft part downwards protrudes into the light hole; a motor assembly for driving the imaging plate to rotate relative to the carrier plate; the light source assembly is positioned below the light transmission hole, and light emitted by the light source assembly sequentially passes through the light transmission hole, the rotating shaft part, the main disc, the imaging sheet and the auxiliary disc.

Further, the master disk includes first transparent portion, from the mounting groove that the first transparent portion indent was established and is encircleed the outer ring gear that first transparent portion set up, imaging piece install in the mounting groove, the auxiliary disk includes the second transparent portion, first transparent portion with the second transparent portion aligns from top to bottom and sets up, imaging piece expose downwards in first transparent portion, and upwards expose in the second transparent portion, imaging piece seal is fixed in the master disk with between the auxiliary disk, motor element with outer ring gear cooperation.

Further, the first transparent portion includes at least two positioning portions formed by extending upward from a bottom wall of the mounting groove, the imaging sheet includes positioning holes corresponding to the positioning portions, and the positioning portions may sequentially pass through the positioning holes and the sinking groove of the auxiliary plate or the positioning portions may merely pass upward through the positioning holes, so as to limit the imaging sheet to the two positioning portions.

Further, the first transparent portion includes a foolproof portion extending to the mounting groove, the imaging sheet includes a detent cooperating with the foolproof portion, and the foolproof portion and the positioning portion may be located at different corners of the mounting groove.

Further, the imaging device further comprises a first light source, a projection disc arranged above the first light source and a lens group arranged above the projection disc, the projection disc comprises an imaging piece and an imaging part formed on the imaging piece, the radius of the imaging part and the radius of the projection disc are not located on the same straight line, a motor drives the projection disc, and the sliding effect of the imaging part forms an arc shape.

An image forming apparatus comprising: the imaging disc comprises a main disc, an imaging sheet and an auxiliary disc, wherein the imaging sheet is fixed between the main disc and the auxiliary disc, and the main disc comprises a main body part and a limit groove or a rotating shaft part formed in the main body part; the bearing plate comprises a bearing groove, a light hole, a flange and a groove, wherein the bearing groove is formed by downwards concavely arranging the top surface of the bearing groove, the light hole is vertically communicated with the bearing groove, the flange is arranged around the light hole or the groove is arranged around the light hole, the imaging sheet is downwards exposed in the light hole, the flange upwards protrudes into the limiting groove or the rotating shaft part downwards cooperates with the groove or the rotating shaft part cooperates with the flange in a mutually encircling manner, and the imaging plate can rotate relative to the bearing plate; the light source component is positioned below the light transmission hole, and light emitted by the light source component sequentially passes through the light transmission hole, the flange or the groove and the imaging disc.

Further, the main disk comprises a first transparent part and a mounting groove formed by downwards concavely arranging the first transparent part, the imaging sheet is mounted in the mounting groove, the auxiliary disk comprises a second transparent part, the first transparent part and the second transparent part are vertically aligned, the imaging sheet is downwards exposed to the first transparent part and upwards exposed to the second transparent part, and the imaging sheet is fixed between the main disk and the auxiliary disk in a sealing manner.

Further, the first transparent portion includes forming at least two positioning portions by extending upward from the bottom wall of the mounting groove, the imaging sheet includes positioning holes corresponding to the positioning portions, and the positioning portions may pass through the positioning holes and the sinking groove of the auxiliary plate in sequence or the positioning portions may only pass upward through the positioning holes, so as to fix the imaging sheet to the first transparent portion.

Further, the imaging device further comprises a first light source, a projection disc arranged above the first light source and a lens group arranged above the projection disc, the projection disc comprises an imaging piece and an imaging part formed on the imaging piece, the radius of the imaging part and the radius of the projection disc are not located on the same straight line, a motor drives the projection disc, and the sliding effect of the imaging part forms an arc shape.

Compared with the prior art, the imaging device has the following beneficial effects:

the imaging disc comprises a main disc, an imaging sheet and an auxiliary disc, wherein the imaging sheet is fixed between the main disc and the auxiliary disc, and the main disc comprises a main disc and a rotating shaft part which is formed by extending downwards from the main disc; the bearing plate comprises a containing cavity and a light hole, the containing cavity is formed by downwards concavely arranged from the top surface of the bearing plate, the light hole is vertically communicated with the containing cavity, the imaging sheet is downwards exposed in the light hole, and the rotating shaft part downwards protrudes into the light hole; a motor assembly for driving the imaging plate to rotate relative to the carrier plate; the light source assembly is positioned below the light transmission hole, and light emitted by the light source assembly sequentially passes through the light transmission hole, the rotating shaft part, the main disc, the imaging sheet and the auxiliary disc. The light hole has the functions of limiting and transmitting light, and is simple in process and low in cost, and besides, the imaging disc is convenient to replace while rotating, and the service life is long.

[ description of the drawings ]

Fig. 1 is a perspective view of an image forming apparatus according to a first embodiment of the present utility model;

FIG. 2 is a perspective view of FIG. 1 with the housing removed;

FIG. 3 is a perspective view of the patterned disk assembly of FIG. 2;

FIG. 4 is an exploded perspective view of the patterned disk and motor of FIG. 1;

FIG. 5 is a perspective view of the pattern disc assembly, projection assembly, mount and projection lens of FIG. 1;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is an enlarged view of a portion of FIG. 7;

FIG. 9 is an exploded view of the projection lens of FIG. 6;

FIG. 10 is a perspective view of the projection assembly of FIG. 5;

FIG. 11 is a perspective view of the carrier tray and imaging tray of FIG. 10;

FIG. 12 is an exploded perspective view of FIG. 11;

fig. 13 is a bottom view of the base 5 of fig. 1;

FIG. 14 is a cross-sectional view taken along section line C-C of FIG. 13;

fig. 15 is an exploded perspective view of the base 5 of fig. 1;

fig. 16 is a perspective view of an image forming apparatus according to a second embodiment of the present utility model;

FIG. 17 is a perspective view of the carrier plate and imaging plate of FIG. 16;

FIG. 18 is an exploded perspective view of the carrier plate and imaging plate of FIG. 17;

fig. 19 is a perspective view of an image forming apparatus according to a third embodiment of the present utility model.

Reference numerals of the specific embodiments illustrate:

[ detailed description ] of the utility model

For a better understanding of the utility model with objects, structures, features, and effects, the utility model will be described further with reference to the drawings and to the detailed description.

As shown in fig. 1 to 15, an imaging device 100 according to a first embodiment of the present utility model includes a housing 1, a pattern plate assembly 2 mounted to the housing 1, a projection assembly 3, a projection lens 4, a base 5 movably connected to the housing 1, and a control board 200, wherein the housing 1, the pattern plate assembly 2, the projection assembly 3, the projection lens 4, and the control board 200 are defined as a lamp socket.

As shown in fig. 1 and 2, the housing 1 includes a cavity 11, and a first projection port 111 and a second projection port 112 that are disposed in communication with the cavity 11. The first projection port 111 is spaced apart from the second projection port 112, and the second projection port 112 may be defined as a projection port. The fixing frame 113 includes a socket 1131 penetrating the housing 1 outwards, and a light shielding portion 1133 disposed around the light guiding hole 1132 and penetrating the light guiding hole 1132 of the top surface 511 upwards, where the socket 1131 is disposed in communication with the cavity 11.

As shown in fig. 3 and 4, the pattern disc assembly 2 is accommodated in the cavity 11, and includes a motor 21, a projection disc 22 mounted on the motor 21, a first light source 23 located below the projection disc 22, and a lens group 24 located above the projection disc 22. The lens group 24 is defined as a first projection lens. The lens assembly 24 is exposed upward from the first projection opening 111. The motor 21 includes a rotor 211, and the projection disk 22 is detachably fixed to the rotor 211, so that the projection disk 22 with different patterns can be replaced conveniently. The projection disk 22 includes a first disk 221, an imaging member 222, a second disk 223, a first projection slot 224, and a signal aperture 225. The imaging member 222 is located between the first disc 221 and the second disc 223, the first projection slot 224 and the signal hole 225 penetrate the first disc 221 and the second disc 223 up and down, and the imaging member 222 is exposed downward from the first disc 221 and is exposed upward from the second disc 223. The pattern disc assembly 2 further comprises a travel switch 226 fixed on the fixing frame 113, the travel switch 226 comprises a transmitting part 2261 and a receiving part 2262 positioned on the upper side and the lower side of the signal hole 225, when a signal sent by the transmitting part 2261 passes through the signal hole 225 and is received by the receiving part 2262, the travel switch 226 forms a passage, the projection disc 22 cuts off the signal transmission of the transmitting part 2261, and the travel switch 226 is turned off. In this embodiment, the projection disk 22 includes only one of the first projection grooves 224 disposed around the rotor 211, and the rest has no non-projection area. The motor 21 and the travel switch 226 are electrically connected to the control board 200. When the imaging device 100 starts to work, the control board 200 controls the motor 21 to drive the projection disc 22 to start to reset until the travel switch 226 is turned on, and the projection disc 22 stops rotating, at this time, the imaging element 222 and the lens group 24 are staggered in the up-down direction, or the imaging element 222 and the first light source 23 are staggered in the up-down direction, so that it is ensured that the imaging device can project a dynamic effect of meteor or other complete sliding of patterns when a user starts to project each time. When the travel switch 226 is turned on, the control board 200 controls the first light source 23 to be turned off, and when the travel switch 226 is turned off, the control board 200 controls the motor 21 to drive the projection disk 22 to rotate, and at this time, the control board 200 controls the first light source 23 to be turned on. When the travel switch 226 is turned on, there is no overlapping portion of the projection of the imaging element 222 and the lens group 24 in the up-down direction. The imaging member 222 includes a film and a meteor pattern or other airship, astronaut, etc. formed on the film, wherein the meteor pattern is a gradual change structure with large ends and small ends. The first light source 23 is located below the projection plate 22, and when the motor 21 drives the projection plate 22 to rotate, the first light source 23 sequentially passes through the imaging member 222 and the lens set 24 to form a meteor slide effect. In this embodiment, the travel switch 226 is a photoelectric sensor, but may be a limit switch or a hall switch in other embodiments, so long as the use requirement is satisfied. The first light source 23 is an LED lamp. The imaging member 222 may be a film, a glass sheet, a metal sheet, or the like, as desired.

As shown in fig. 10, 11 and 12, the projection assembly 3 includes a second light source 31, a carrier plate 32 disposed above the second light source 31, and an imaging plate 33 mounted on the carrier plate 32, wherein the carrier plate 32 is movably inserted into the socket 1131, and the light guide hole 1132 is disposed above the imaging plate 33. The carrying tray 32 includes a carrying groove 321, a notch 322 and a light hole 323, wherein the notch 322 is communicated with the carrying groove 321, the carrying groove 321 is communicated with the notch 322 in a horizontal direction, the light hole 323 is communicated with the carrying groove 321 in an up-down direction, the light hole 323 and the carrying groove 321 are coaxially arranged in the up-down direction, and the light hole 323 is approximately positioned in the center of the carrying groove 321. The imaging plate 33 is accommodated in the mounting groove 3312, that is, the imaging plate 33 can be movably inserted into the socket 1131 along with the carrying plate 32. The imaging plate 33 includes a main plate 331, an imaging sheet 334 mounted on the main plate 331, and an auxiliary plate 333 abutting the imaging sheet 334. The main disk 331 includes a through groove 3311, a mounting groove 3312, a receiving groove 3313, and an outer gear ring 3314 disposed around the through groove 3311, the through groove 3311 vertically penetrates the main disk 331 and the auxiliary disk 333, and the through groove 3311, the mounting groove 3312, and the receiving groove 3313 are coaxially disposed in the vertical direction and jointly penetrate the main disk 331. The width of the through-groove 3311, the mounting groove 3312, and the receiving groove 3313 in the horizontal direction are sequentially increased. The imaging sheet 334 is mounted in the mounting groove 3312, the auxiliary tray is mounted in the receiving groove 3313, and the imaging sheet 334 is exposed upward from the main tray 331 and downward from the auxiliary tray 333. The light emitted by the second light source 31 sequentially passes through the light hole 323, the carrying groove 321 and the through groove 3311. The outer ring gear 3314 is exposed from the notch 322. The imaging device 100 also includes gears that mate with the outer gear ring 3314. The auxiliary tray 335 is fixed to the receiving groove 3313 and is pressed down against the imaging sheet 334. The main plate 331 or the auxiliary plate 335 includes a rotating shaft portion 333 or a limiting groove disposed around the imaging plate 334, the rotating shaft portion 333 protrudes downward into the light hole 323, and the rotating shaft portion 333 serves as a rotating shaft for rotating the imaging plate 33 around the light hole 323. The carrier plate 32 includes a flange surrounding the light hole 323 or a groove surrounding the light hole 323, the flange protrudes upward into the limiting groove or the rotating shaft portion 3315 is matched with the groove downward or the rotating shaft portion 3315 is mutually and circumferentially matched with the flange, and the imaging plate 33 can rotate relative to the carrier plate 32.

As shown in fig. 7, 8 and 9, the projection lens 4 includes a lens group 41, a screw member 42 and an adjusting member 43 which are sequentially sleeved outside the lens, a supporting plate 44 which supports the adjusting member 43 upward, and a sealing ring 45 between the adjusting member 43 and the supporting plate. The lens assembly 41 includes an upper lens 412 and a lower lens 413, which are accommodated in the sleeve 411, and a pressing ring 414 fastened to the upper end of the sleeve 411. The sleeve 411 is integrally formed and includes an upper cylinder portion 4111 and a lower cylinder portion 4112 connected to each other, wherein the width of the upper cylinder portion 4111 in the horizontal direction is greater than the width of the lower cylinder portion 4112 in the horizontal direction, and the height of the upper cylinder portion 4111 is less than the height of the lower cylinder portion 4112. The upper lens 412 is mounted on the upper cylinder 4111, the lower lens 413 is mounted on the lower cylinder 4112, the lower lens 413 passes downward over the screw 42, and the pressing ring 414 is fastened to the upper cylinder 4111 downward, so as to limit the upper lens 412 to move upward and separate from the sleeve 411. The lower lens 413 is mounted on the sleeve 411 from top to bottom, and the lower barrel 4112 further includes a blocking portion 423 for blocking the downward movement of the lower lens 413. The screw member 42 includes a receiving hole 421 penetrating in the up-down direction, a plurality of hooks 422 and a plurality of stoppers 423 extending from the inner wall of the receiving hole 421, an external thread 424 provided around the receiving hole 421, and two guide posts 425 located on the left and right sides of the screw member 42. The elastic hooks 422 are disposed at the top end of the screw 42 and toward the center of the receiving hole 421. The screw 42 includes two relief grooves 426 on the left and right sides of each of the elastic hooks 422. The blocking portions 423 are located below the hooks 422, and the distances between two adjacent blocking portions 423 are equal. Each of the guide posts 425 includes a restriction portion 4251 formed to extend in a direction away from the receiving hole 421. The sleeve 411 is received in the receiving hole 421, the plurality of elastic hooks 422 block the pressing ring 414 from moving upward, the plurality of stoppers 423 support the upper cylinder 4111 upward, and restrict the lower cylinder 4112 from moving in the horizontal direction. The adjusting member 43 includes a fitting groove 431, an internal thread 432 provided around the fitting groove 431, and a projection hole 433 communicating with the fitting groove 431 up and down. The matching groove 431 and the projection hole 433 penetrate the adjusting member 43 along the vertical direction, the projection hole 433 is exposed upward from the second projection opening 112, the width of the projection hole 433 in the horizontal direction is gradually increased from bottom to top, and the light-transmitting sheet 434 covers the projection hole 433. The female screw 432 is engaged with the male screw 424, and the screw 42 is received in the engaging groove 431. The supporting plate 44 supports the regulating member 43 upward and presses the fixing frame 113 downward. The support plate 44 includes a through hole 441, a light blocking portion 442 formed to extend downward around the through hole 441, and guide portions 443 of the guide grooves 4431 located on both left and right sides of the light blocking portion 442. The through hole 441 is disposed around the screw member 42, the sleeve 411 protrudes downward into the light blocking portion 442, and the light blocking portion 442 abuts against the light blocking portion 1133 downward, that is, the light blocking portion 442 and the light blocking portion 1133 are spliced together to form a light guide tube. The guide posts 425 are positioned above the light shielding portions 1133. The guiding portion 443 includes a guiding groove 44311 penetrating the upper and lower surfaces thereof and a limiting portion 4432 located at one side of the guiding groove, the guiding post 425 is received in the guiding groove 44311, and the limiting block 4251 is located above the limiting portion 4432 to limit the downward movement of the screw 42. When the adjusting member 43 is rotated, the screw member 42 drives the screw member 42 to move up and down, so as to change the focal length of the projection, that is, drive the upper lens 412 and the lower lens 413 to move up and down, at this time, the guide post 425 moves up and down along the guide groove 4431, and the light emitted by the first light source 23 passes through the imaging member 222, then passes through the upper lens 412 and the lower lens 413, and passes through the projection hole 433 to form a projecting effect of meteor sliding, so as to form a perfect arc effect. Of course, also other patterns, such as aircrafts, astronauts, etc. In this embodiment, the projection lens 4 is defined as a second projection lens.

As shown in fig. 14 and 15, the housing 1 is abutted downward against the anti-slip pad 55 and can be adjusted in different projection angles with respect to the anti-slip pad 55. The base 5 includes an upper base 51, a weight 53 accommodated in the upper base 51, a bottom cover covering the upper base 51, and an anti-slip pad 55 attached to the upper base 51. The upper seat 51 includes a top surface 511, a stop portion 512 surrounding the top surface 511, a cavity 513 concavely formed from the bottom surface thereof, and a plurality of positioning holes 514 vertically communicated with the cavity 513. The top surface 511 is inclined and extends upwards from the middle portion to the two ends, and one end of the top surface 511 is higher than the other end thereof, i.e. the height of the seat body in the up-down direction is gradually increased from the lower end, the anti-slip pad 55 is attached to the top surface 511, and the top surface 511 and the stop portion 512 are spliced to form a limit groove for accommodating the anti-slip pad 55. The anti-slip pad 55 is formed by extending obliquely from the middle toward different directions, wherein the inclination angle of one direction relative to the horizontal plane is larger than the inclination angle of the other direction relative to the horizontal plane, and the inclination of the anti-slip pad 55 is matched with the inclination of the top surface 511. That is, the anti-slip pad 55 includes an anti-slip groove formed to be recessed downward from the top surface 511 thereof, the width of the anti-slip groove in the moisture direction gradually increases from bottom to top, and at least a portion of the housing 1 is in sliding contact with the inner wall surface of the anti-slip groove. The anti-slip pad 55 is a silica gel pad structure formed by extending obliquely. The anti-slip pad 55 is adhered to the upper seat 51 by an adhesive body. In other embodiments, the anti-skid pad 55 also includes a stop leg 551 protruding downward into the positioning hole of the upper seat 51. The weight 53 includes a central hole 531 and a plurality of limiting holes 532 disposed around the central hole 531. The bottom cover 54 includes a fixing plate 541 and a plurality of limiting columns 542 disposed around the fixing plate 541, where the plurality of limiting columns 542 protrude into the limiting holes 532 in a one-to-one correspondence manner, and the fixing plate 541 and the limiting columns 542 can both limit the movement of the balancing weight 53 in the horizontal direction.

The imaging device 100 operates as follows: first, a projection plate 22 is provided, which includes at least a first projection slot 224 penetrating the upper and lower surfaces thereof, and an imaging member 222 exposed in the first projection slot 224; a second step, the motor 21 drives the projection disk 22 to rotate; and a third step of: a travel switch 226 is mounted on one side of the projection plate 22; fourth, the control board 200 is electrically connected to the motor 21, the first light source 23, and the travel switch 226, when the travel switch 226 forms a channel and sends the on information to the control board 200, the control board 200 controls the motor 21 to stop working and start timing, at this time, the imaging element 222 and the first light source 23 are staggered in the vertical direction until reaching a preset time, and the control board 200 controls the motor to start driving the projection disk 22 to rotate, so as to form a projecting effect of a meteor sliding. And, each time the imaging device 100 starts to operate, after the imaging piece 222 is controlled to be reset to the same position by the travel switch 226, the program of projecting the meteor is started, after the imaging device 100 projects the meteor, the imaging disc 33 continues to rotate until the travel switch 226 is turned on again, the control board 200 starts to continuously operate again, and in the same program, the interval time for forming the meteor is continuously changed or the interval time is the same, for example, the interval time can be 30 seconds, 1 minute, 5 minutes, and the like. The projection effect formed by the imaging piece 222 is used as a background for projecting the meteor, that is, the imaging piece 222 projects a dynamic effect of sliding the pattern, and the projection effect of the dynamic sliding is more vivid and beautiful compared with the effect of circumferential rotation of the traditional projection in combination with the background effect formed by the imaging piece 334.

As shown in fig. 16-18, which illustrate a second embodiment of the present utility model, the second embodiment of the imaging device 100 has substantially the same structure as the first embodiment, except that: the imaging device 100 comprises a fixing frame 113 and a pattern disc assembly 2 arranged on the fixing frame 113, the fixing frame 113 comprises a base body and a supporting frame fixed on the base body, the pattern disc assembly 2 comprises a motor 21, a projection disc 22 fixed on the motor 21 and a lens group 24 positioned on the projection disc 22, the projection disc 22 is positioned between the base body and the supporting frame, the lens group 24 is fixed on the supporting frame, and the base body and the supporting frame limit the projection disc 22 to swing up and down during rotation. The supporting part comprises a body part and a limiting ring which is formed by extending from the body part towards the projection disc 22, the base body comprises a base part and a blocking part which is formed by extending from the base part towards the projection disc 22, and the spacing between the limiting ring and the projection disc 22 is 0-0.08 mm. The projection disk 22 includes the first projection slot 224 and imaging members 222 exposed on the upper and lower sides of the first projection slot 224, the imaging members 222 include a black film and an imaging portion formed on the black film, the imaging portion is not on the same straight line with the radius of the projection disk 22, that is, the imaging portion is tangent to the circumference of the projection disk 22, or the angle at which the imaging portion intersects with the radius of the projection disk 22 is 60 ° to 120 °. In this embodiment, the imaging portion may be made of transparent film, glass, plastic film, metal sheet, or other materials, and may meet the requirements. The imaging element 222 exposed in one of the first projection grooves 224 includes a plurality of imaging portions disposed in parallel. The number of the imaging portions exposed to the two first projection grooves 224 may be unequal and/or the sizes of the imaging portions may be different and/or the colors of the imaging portions may be different. The inclination angles of the imaging portions exposed in the two first projection grooves 224 may be different. The imaging portions may be configured as a gradual change structure with a large end and a small end, and the imaging portion exposed in one of the first projection grooves 224 and the imaging portion exposed in the other first projection groove 224 face opposite directions.

As shown in fig. 17 and 18, the imaging tray 33 includes a main tray 331, an imaging sheet 334 fixed to the main tray 331, and an auxiliary tray 335 fixed to the main tray 331, the imaging sheet 334 being located between the main tray 331 and the auxiliary tray 335. The main disk 331 includes a receiving groove 3313 formed by recessing from a top surface thereof, a first transparent portion 3315 formed at a bottom wall of the receiving groove 3313, a limiting portion 3318 provided around the first transparent portion 3315, an outer gear ring 3314 provided around the receiving groove 3313, and a plurality of protruding portions 332 formed by extending downward from the main disk 331. The first transparent portion 3315 is located at a central position of the main disk 331, and the first transparent portion 3315 includes a mounting groove 3312 recessed from a top surface thereof, a plurality of positioning portions 3316 formed to extend upward from a bottom wall of the mounting groove 3312, and a fool-proof portion 3317 protruding into the mounting groove 3312. The mounting groove 3312 is disposed in vertical communication with the receiving groove 3313, the mounting groove 3312 includes a plurality of corners, and the two positioning portions 3316 may be disposed at two opposite corners or two adjacent corners. The fool-proof portion 3317 is a protrusion protruding into one of the corners of the mounting groove 3312, and of course, the fool-proof portion 3317 may be another structure such as a fool-proof groove structure. The positioning portion 3316 and the fool-proof portion 3317 may be located at different corners of the mounting groove 3312, respectively. The limiting portion 3318 is disposed around the mounting groove 3312. A plurality of protrusions 332 are disposed around the rotation shaft portion 333 at intervals, and the plurality of protrusions 332 are in contact with the carrier plate 32 to reduce the relative resistance. The main plate 331 or the auxiliary plate 335 includes a rotation shaft portion 333 or a limit groove disposed around the imaging plate 334, the rotation shaft portion 333 protrudes downward into the light hole 323, and the rotation shaft portion 333 serves as a rotation shaft of the imaging plate 33 around the rotating light hole 323. The carrying plate 32 includes a flange surrounding the light hole 323 or a groove surrounding the light hole 323, the flange protrudes upwards into the limiting groove or the rotating shaft 333 is matched with the groove downwards or the rotating shaft 333 is mutually and circumferentially matched with the flange, and the imaging plate 33 can rotate relative to the carrying plate 32. The imaging sheet 334 is fixedly mounted in the mounting groove 3312, and includes a positioning hole 3341 penetrating through the upper and lower surfaces thereof and at least one clamping position 3342, the positioning hole 3341 is located at the edge of the imaging sheet 334, the positioning portion 3316 passes through the positioning hole 3341 upwards, the imaging sheet 334 is fixed on a plurality of positioning portions 3316, and the clamping position 3342 cooperates with the foolproof portion 3317 to prevent the imaging sheet 334 from being erroneously mounted.

As shown in fig. 17 and 18, the auxiliary tray 335 is accommodated in the accommodation groove 3313 downward. The auxiliary tray 335 includes a second transparent portion 3351 and a restricting portion 3353 disposed around the second transparent portion 3351. The first transparent portion 3315 and the second transparent portion 3351 are aligned vertically, and the imaging sheet 334 is exposed downward from the first transparent portion 3315 and exposed upward from the second transparent portion 3351, so as to seal and fix the imaging sheet 334 between the main tray 331 and the auxiliary tray 335. The second transparent portion 3351 includes a plurality of sinking grooves 3352 concavely formed from the bottom surface thereof, and each sinking groove 3352 does not upwardly pass out of the second transparent portion 3351. The positioning portion 3316 sequentially passes through the positioning hole 3341 and the sinking groove 3352. In other embodiments, the shaft portion 333 may be disposed around the second transparent portion 3351, and the plurality of protruding portions 332 may also surround the second transparent portion 3351. The restricting portion 3353 is provided around the restricting portion 3318 or the restricting portion 3318 is provided around the restricting portion 3353.

The manufacturing method of the projection wheel disc comprises the following steps: the main disc 331 is first molded, then the imaging sheet 334 is fixed to the main disc 331 after being positioned by the positioning portion 3316, and finally the auxiliary disc 335 and the main disc 331 are fixed by ultrasonic welding, and the imaging sheet 334 is fixed between the main disc 331 and the auxiliary disc 335 in a sealing manner, so that effects of high temperature resistance, dust prevention and the like are achieved. In another embodiment, the main disc 331 is molded first, then the imaging sheet 334 is fixed on the main disc 331 after being positioned by the positioning portion 3316, then the dispensing machine is used for dispensing along the mounting groove 3312, finally the auxiliary disc 335 is fixed on the main disc 331, and the imaging sheet 334 is fixed between the main disc 331 and the auxiliary disc 335 in a sealing manner, so as to achieve the effects of high temperature resistance, dust prevention and the like.

As shown in fig. 19, which is a third embodiment of the present utility model, the third embodiment of the imaging device 100 has substantially the same structure as the first embodiment, and differs in that: the travel switch 226 comprises a switch portion 2263, the projection disk 22 comprises a touch portion 2264 matched with the switch portion 2263, when the touch portion 2264 is in contact with the switch portion 2263, the limit switch forms a passage, and transmits the on information to the control board 200, the control board 200 controls the motor 21 to stop working and start timing until reaching a preset time, and the control board 200 controls the motor 21 to start driving the projection disk 22 to rotate, so as to form a meteor sliding projection effect.

In summary, the imaging device of the utility model has the following beneficial effects:

(1) The imaging disc comprises a main disc, an imaging sheet and an auxiliary disc, wherein the imaging sheet is fixed between the main disc and the auxiliary disc, and the main disc comprises a main disc and a rotating shaft part which is formed by extending downwards from the main disc; the bearing plate comprises a containing cavity and a light hole, the containing cavity is formed by downwards concavely arranged from the top surface of the bearing plate, the light hole is vertically communicated with the containing cavity, the imaging sheet is downwards exposed in the light hole, and the rotating shaft part downwards protrudes into the light hole; a motor assembly for driving the imaging plate to rotate relative to the carrier plate; the light source assembly is positioned below the light transmission hole, and light emitted by the light source assembly sequentially passes through the light transmission hole, the rotating shaft part, the main disc, the imaging sheet and the auxiliary disc. The light hole has the functions of limiting and transmitting light, and is simple in process and low in cost, and besides, the imaging disc is convenient to replace while rotating, and the service life is long.

The above detailed description is merely illustrative of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model, so that all equivalent technical changes that can be made by the present specification and illustrations are included in the scope of the utility model.

Claims (10)

1. An image forming apparatus, comprising:

the imaging disc comprises a main disc, an imaging sheet and an auxiliary disc, wherein the imaging sheet is fixed between the main disc and the auxiliary disc, and the main disc comprises a main body part and a rotating shaft part which is formed by extending downwards from the main body part;

the bearing plate comprises a bearing groove formed by downwards concavely arranging the top surface of the bearing plate and a light hole which is vertically communicated with the bearing groove, the imaging sheet is downwards exposed in the light hole, and the rotating shaft part downwards protrudes into the light hole;

a motor assembly for driving the imaging plate to rotate relative to the carrier plate;

the light source assembly is positioned below the light transmission hole, and light emitted by the light source assembly sequentially passes through the light transmission hole, the rotating shaft part, the main disc, the imaging sheet and the auxiliary disc.

2. The imaging apparatus of claim 1, wherein: the main disk comprises a first transparent part, a mounting groove formed by downwards concavely arranging the first transparent part and an outer gear ring arranged around the first transparent part, the imaging sheet is arranged in the mounting groove, the auxiliary disk comprises a second transparent part, the first transparent part and the second transparent part are vertically aligned, the imaging sheet is downwards exposed to the first transparent part and upwards exposed to the second transparent part, the imaging sheet is fixed between the main disk and the auxiliary disk in a sealing manner, and the motor assembly is matched with the outer gear ring.

3. The imaging apparatus of claim 2, wherein: the first transparent part comprises at least one positioning part formed by extending upwards from the bottom wall of the mounting groove, the imaging sheet comprises positioning holes corresponding to the positioning parts, and the positioning parts can sequentially pass through the positioning holes and the sinking grooves of the auxiliary disc or the positioning parts only pass through the positioning holes upwards, so that the imaging sheet is limited to be positioned at the two positioning parts.

4. An imaging device as in claim 3, wherein: the first transparent part comprises a fool-proof part extending to the mounting groove, the imaging sheet comprises a clamping position matched with the fool-proof part, and the fool-proof part and the positioning part can be positioned at different corners of the mounting groove.

5. An imaging device according to any one of claims 1-3, wherein: the imaging device further comprises a first light source, a projection disc arranged above the first light source and a lens group arranged above the projection disc, the projection disc comprises an imaging piece and an imaging part formed on the imaging piece, the radius of the imaging part and the radius of the projection disc are not located on the same straight line, or the radius of the imaging part and the radius of the projection disc are tangential, the projection disc is driven by a motor, and the sliding effect of the imaging part forms an arc shape.

6. An imaging device according to any one of claims 1-3, wherein: the imaging device further comprises a base and a lamp holder movably mounted on the base, the base comprises a base body and an anti-slip pad fixed on the base body, the lamp holder is downwards abutted to the anti-slip pad and can adjust different projection angles relative to the anti-slip pad, the anti-slip pad comprises at least one limiting foot, and the limiting foot protrudes into a limiting hole of the base.

7. An image forming apparatus, comprising:

the imaging disc comprises a main disc, an imaging sheet and an auxiliary disc, wherein the imaging sheet is fixed between the main disc and the auxiliary disc, and the main disc comprises a main body part and a limit groove or a rotating shaft part formed in the main body part;

the bearing plate comprises a bearing groove, a light hole, a flange and a groove, wherein the bearing groove is formed by downwards concavely arranging the top surface of the bearing groove, the light hole is vertically communicated with the bearing groove, the flange is arranged around the light hole or the groove is arranged around the light hole, the imaging sheet is downwards exposed in the light hole, the flange upwards protrudes into the limiting groove or the rotating shaft part downwards cooperates with the groove or the rotating shaft part cooperates with the flange in a mutually encircling manner, and the imaging plate can rotate relative to the bearing plate;

the light source component is positioned below the light transmission hole, and light emitted by the light source component sequentially passes through the light transmission hole, the flange or the groove and the imaging disc.

8. The imaging apparatus of claim 7, wherein: the main disc comprises a first transparent part and at least one positioning part arranged on the first transparent part, the imaging sheet is arranged in an installation groove of the first transparent part, the positioning part upwards penetrates through a positioning hole of the imaging sheet or the positioning part upwards penetrates through a positioning hole of the imaging sheet and the auxiliary disc, the auxiliary disc comprises a second transparent part, the imaging sheet is downwards exposed on the first transparent part and upwards exposed on the second transparent part, and the imaging sheet is fixed between the main disc and the auxiliary disc in a sealing manner.

9. The imaging apparatus according to claim 7 or 8, wherein: the imaging device further comprises a first light source, a projection disc arranged above the first light source and a lens group arranged above the projection disc, the projection disc comprises an imaging piece and an imaging part formed on the imaging piece, the radius of the imaging part and the radius of the projection disc are not located on the same straight line, or the radius of the imaging part and the radius of the projection disc are tangential, the projection disc is driven by a motor, and the sliding effect of the imaging part forms an arc shape.

10. The imaging apparatus according to claim 7 or 8, wherein: the imaging device comprises a fixing frame and a pattern disc assembly arranged on the fixing frame, the fixing frame comprises a base body and a supporting frame fixed on the base body, the pattern disc assembly comprises a motor, a projection disc fixed on the motor and a lens group positioned on the projection disc, the projection disc is positioned between the base body and the supporting frame, the lens group is fixed on the supporting frame, and the base body and the supporting frame limit the projection disc to swing up and down during rotation.