CN210199477U - Story book projector - Google Patents

Abstract

The utility model relates to a story book projector, including clamp and the disc body. One of the two clamping arms of the clamp body is in a disc shape, a boss is formed on the end face, deviating from the other clamping arm, of the disc, and a slot is formed in the inner side face of the boss. An inner lens is arranged on the disc surface of the clamping arm corresponding to one side of the slot, and the inner lens is positioned in the slot. The boss is provided with an outer lens which is opposite to the inner lens. When the clamp body is clamped on a mobile terminal with a light source, the inner lens covers the outside of the light source, and light is transmitted to the outer lens through the inner lens and then is emitted. The disk body is provided with a plurality of projection holes which are distributed at intervals along the circumferential direction, and the film bearing the illustration is arranged in each projection hole. The disk body is inserted into the slot, and the disk body can rotate around the axis by stirring the disk body, so that each projection hole sequentially corresponds to the space between the inner lens and the outer lens in a switching manner. The method overcomes the problem that the interest and monotony of children are not easy to be raised when the children tell stories at present, and is beneficial to increasing the fun of telling and reading stories.

Description

Story book projector

Technical Field

The utility model relates to a story book projector, specifically, this story book projector uses with the electronic product terminal cooperation that cell-phone or panel computer etc. were provided with flash light or light beam light source emitter, can be used for casting the story picture on roof or wall when telling the story for children.

Background

Most of the story books are printed matters, and characters and related pictures are printed on pages of the story books. When reading the story book for children, the story book needs to be turned over page by page, and if the light condition is not good, the story book can cause damage to eyes. Although part of the story book is provided with the electronic voice function, the defects that the story book needs to be turned and read page by page and the interest of children cannot be increased cannot be avoided, and the story telling process cannot be vivid and interesting.

SUMMERY OF THE UTILITY MODEL

To using current story book to be difficult to strengthen child's interest when telling reading the story for children, monotonous problem moreover, the utility model provides a story book projector can be when telling the story for children with the help of this story book projector, will be seen with the picture that the story is correlated with and throw on carriers such as roof or wall, can switch corresponding story picture along with the progress of story moreover, helps increasing the enjoyment of telling reading the story, promotes child's interest.

The utility model provides a technical scheme that its technical problem adopted as follows:

a storybook projector comprises a clamp body and a disc body. One of the two clamping arms of the clamp body is in a disc shape, the disc shape indicated at the position is not limited to an absolute disc shape, a bulge or a groove is allowed to be formed on the side surface of the disc, a boss is formed on the end surface of the disc, which is far away from the other clamping arm, a slot extending in parallel along the radial direction is arranged on the inner side surface of the boss, and the inner side wall of the slot is in an incomplete arc shape. In a specific embodiment, the shape of the boss can be crescent, and the inner side wall surface of the slot is an arc matched with a crescent arc.

And an inner lens is arranged on the disc surface of the clamping arm corresponding to one side of the slot, and the inner lens is positioned in the slot. And the boss is provided with an outer lens opposite to the inner lens. For example, when the mobile terminal such as a mobile phone is used in cooperation with the mobile terminal, the mobile phone is clamped between the two clamping arms of the clamp body, the outer end of the inner lens covers the outside of a flash lamp of the mobile phone, light beams are transmitted to the outer lens through the inner end of the inner lens, and when a film carrying illustrations or characters is arranged between the inner lens and the outer lens, the illustrations or characters on the film can be projected through the outer lens and projected on a roof or a wall.

The disc body is provided with a plurality of projection holes which are uniformly distributed at intervals along the circumferential direction, films bearing illustrations are arranged in the projection holes, and the films bearing the illustrations corresponding to the story contents of all the chapters are sequentially arranged along the clockwise direction or the anticlockwise direction according to the story chapter sequence. In a specific embodiment, the number of the projection holes is 12.

The part of the disc body is inserted into the slot and is relatively fixed on the disc of the clamping arm, so that when the part, outside the slot, of the disc body is pulled, the disc body can rotate around the axis of the disc body relative to the disc of the clamping arm, and different parts of the disc body are switched to be sequentially moved into the slot or moved out of the slot.

And in the process that the disc body rotates relative to the disc of the clamping arm, all projection holes can be switched to be sequentially corresponding between the inner lens and the outer lens.

In a specific embodiment, the end face of the clamping arm formed into a disc is provided with a guide groove which passes through the center of the disc and extends into the slot of the boss. And a radially extending pressure arm is arranged on the boss and is arranged right above the guide groove. The axis of the disc body is provided with a convex shaft. The protruding shaft can move from the outer end of the guide groove to the inner end of the guide groove, and finally the protruding shaft can be limited at the inner end of the guide groove, and the axis of the protruding shaft coincides with the axis of the disc of the clamping arm. The protruding shaft can be limited to the inner end of the guide groove, i.e., the disk body can be pulled out from the slot when a radially outward pulling force is applied, and the protruding shaft is fixed relative to the inner end of the guide groove in the radial direction and can only rotate around the axis when the radially outward pulling force is not applied. After the disk body is inserted into the slot, the convex shaft is matched with the inner end of the guide groove, and the pressing arm is contacted with the upper end face of the disk body.

In a specific embodiment, two ends of the side wall of the slot are respectively provided with a convex tooth. The side wall of the disk body is provided with a plurality of side grooves which are uniformly distributed at intervals, and the number of the side grooves is consistent with that of the projection holes. The side grooves are correspondingly arranged in the extending direction of a straight line which is relatively vertical to the central connecting line of two adjacent projection holes and passes through the midpoint of the central connecting line. When the disk body is inserted into the slot, the two convex teeth are respectively matched with the side surface grooves at the corresponding positions. In the process of stirring the disc body to rotate relative to the disc of the clamping arm, the convex teeth can move out of one side groove and then move into the other adjacent side groove. The arrangement can conveniently control the disc body to rotate once when being stirred, the rotating angles are consistent, and finally the purpose that all the projection holes can be successively arranged between the opposite ends of the inner lens and the outer lens is achieved. Preferably, the notch of the side groove is V-shaped to ensure that the teeth can move smoothly into and out of the side groove.

In a specific embodiment, the anti-slip pad is embedded on the end surface of the disc of the clamping arm with the disc, which is opposite to the other clamping arm. The anti-skid pad is made of elastic materials, the outer end face of the anti-skid pad protrudes outwards relative to the end face of the bearing disc, and the protruding height can be set within the range of 2 mm. The setting of slipmat can avoid the clamp to deflect relative mobile terminals such as cell-phones, especially when dial the disc body hard and make its relative arm lock rotatory, can guarantee that the camera lens aims at in the position of dodging the turn-off lamp steadily.

In a specific embodiment, a cylindrical pad is fixedly arranged at the end of the other clamping arm, and the cylindrical pad is made of an elastic material. The columnar pad that sets up can effectively avoid the harm that the centre gripping in-process caused the screen, but also can increase the stiction between this arm lock and the screen, also can play the help effect to avoiding the deflection of the relative cell-phone of clamp body.

Meanwhile, the anti-slip pad and the columnar pad are arranged, so that the clamping stability effect of the clamp body can be enhanced, and the damage to a mobile phone and the like caused by the clamping force of the clamp body can be better avoided.

In a specific embodiment, the mobile phone further comprises an application program, wherein the application program at least can identify the product model of the mobile phone and the tablet computer, and generates a positioning icon with a corresponding position on a screen after identifying the specific position of the flash lamp according to the product model.

The columnar pad is made of a light-transmitting material. When the columnar pad corresponds to a positioning icon formed on the screen, the inner lens is aligned at the flash lamp.

In a specific embodiment, the system further comprises an application program, wherein the application program can be installed on products including a mobile phone and a tablet computer at least, so that story texts and/or corresponding illustrations are displayed on a screen, words or short sentences related to sound are highlighted in the texts, and corresponding sound can be emitted by clicking the highlighted words or short sentences. Further, in a specific embodiment, the system also comprises a verification card, wherein story content identification numbers are printed on the verification card; the application program can display the catalogues of different stories on the screen, a digital input area is formed after the catalog name of each story is clicked, and corresponding story characters and/or illustrations can be displayed on the screen after corresponding story content identification numbers are input.

The application program is generally a mobile phone application program or a computer application program, and the following description will take the mobile phone application program as an example. After the application program is installed on the mobile phone, the application program is opened, the application program can identify the model of the mobile phone, the specific position of the flash lamp on the mobile phone is determined, and accordingly a positioning icon corresponding to the position is formed on the screen. If the position of the flash lamp changes due to different models of the mobile phone, the position of the positioning icon formed on the screen also changes correspondingly. The columnar pad is made of a light-transmitting material, and operation corresponding to the positioning icon is facilitated. The application program is loaded with a large amount of story content, the names of all stories can be displayed on a screen after the application program is opened, a name catalogue is formed, and corresponding story characters and/or illustrations can be displayed on the screen by clicking the corresponding story names. After the verification card is arranged, the characters and/or illustrations corresponding to the story can be displayed on the screen only by inputting accurate story content identification numbers after clicking the story name. The story content identification number may be a series of numbers or letters, or a combination of numbers and letters.

The utility model has the advantages that: the story book projector solves the problems that the interest of children is not easy to be enhanced when the current story book is used for telling and reading stories for the children, and is monotonous, can project pictures associated with the stories on carriers such as roofs or walls when the children tell stories, and can switch corresponding story pictures along with the progress of the stories, thereby being beneficial to increasing the playing fun of telling and reading the stories and promoting the interest of the children.

Drawings

Fig. 1 is a perspective view of a frame body according to a certain viewing direction.

Fig. 2 is a perspective view of a frame body according to the scheme of the present invention.

Fig. 3 is a perspective view of a frame body according to a certain viewing direction.

Fig. 4 is a schematic front view of the disk body portion of the present patent solution.

Figure 5 is a schematic view of the back of the disk body portion of the present patent version.

Figure 6 is a product showing a specific embodiment of the disk body portion of the present patent solution.

In the figure: 1 clamp body, 11 handle I, 12 handle II, 13 clamp arm I, 131 bottom plate, 132 top plate, 1321 boss-shaped pit slot, 14 clamp arm II, 2 disc body, 21 annular sheet plate, 211 projection hole A, 212 side groove, 213 annular flange, 22 disc plate, 221 projection hole B, 222 convex shaft, 23 projection film, 231 indication icon, 24 buckle group, 3 slot, 31 convex tooth I, 32 convex tooth II, 4 press arm, 5 guide slot, 6 outer lens, 7 inner lens, 8 non-slip pad, 9 column pad

Detailed Description

The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

A story book projector as shown in fig. 1 to 5 includes a clip body and a circular disk body. The light source required by projection can be a flash lamp arranged on a mobile phone or a tablet personal computer and other terminals. The projection light source of the storybook projector is external. The clamp body is used for clamping the product on a mobile phone or a tablet personal computer and the like to be fixed. The clamp body comprises two arm plates, each arm plate comprises a handle part and a clamping arm, the handle parts of the two arm plates are matched with the pivot shafts of the transition parts of the clamping arms, and a torsion spring is sleeved on the pivot shafts, so that the free ends of the two clamping arms can be attached to each other, and clamping force is formed. When force is applied to the two handles, the free ends of the two clamping arms can be separated from contact, and the distance required by clamping operation is formed. The clamping principle and structure of the clamp body are the same as or similar to those of the conventional universal clamp, and thus are not described in detail.

In particular, in the present patent, as shown in fig. 1 to 3, the two arm plates of the clamp body 1 include a first shank 11 and a first clamping arm 13, and a second shank 12 and a second clamping arm 14, respectively. The free end of the first clamping arm 13 is formed with a circular bottom plate 131 and a crescent top plate 132, and the top plate 132 is arranged on the other side end face of the bottom plate 131 opposite to the second clamping arm 14. A slot 3 extending parallel to the end surface of the bottom plate 131 is formed between the bottom plate 131 and the top plate 132. In the illustrated embodiment, the bottom plate and the top plate are integrally formed, and the slot is a slot radially formed from the inner side wall of the top plate. The side wall of the slot 3 is arc-shaped and provided with convex teeth, such as a convex tooth 31 and a convex tooth 32 which are respectively arranged at two end parts of the slot 3 as shown in the figure. On the end surface of the bottom plate 131 facing the top plate 132, a guide groove 5 passing through the center of the bottom plate 131 and an inner lens 7 located inside the inner end of the guide groove 5 are provided. Meanwhile, a pressing arm 4 extending radially and corresponding to the upper portion of the guide groove and an outer lens 6 corresponding to the inner lens 7 are disposed on the top plate 132. The guide groove 5 and the pressing arm 4 are provided here for matching with the disc body 2, so that the disc body 2 can be fixed relative to the clamp body 1 without slipping off when the clamp body 1 (or the free ends of the clamping arms one 13) bears the disc body 2.

As shown, the outer lens 6 is a cylindrical stage structure protruding outward, which can be used to adjust the focal length. The inner lens 7 comprises a piece of optical glass. The outer lens structure is relatively complicated, has the focusing function (mechanical focusing), specifically can refer to prior art, no longer gives details.

In order to ensure the firmness of the clamp body 1 when the clamp body is arranged on a mobile terminal such as a mobile phone or a tablet personal computer, the clamp body 1 is prevented from sliding relative to the mobile phone, so that the lens cannot accurately correspond to a flash lamp. The end face of the bottom plate 131 corresponding to the second clamping arm 14 is embedded with an anti-slip pad 8, the anti-slip pad is in contact with the back face (one face of a screen is the front face) of a mobile phone (a tablet personal computer and the like), and the relative static friction force between the bottom plate and the back face of the mobile phone can be remarkably increased under the action of the clamping force of the clamp body. The non-slip mat 8 can be made of elastic materials, such as rubber, silica gel or polyester plastics. The end face of the non-slip mat 8 protrudes outwards relative to the end face of the bottom plate 131 (the protruding height is generally controlled within 2mm, which is determined according to the elastic property of the manufacturing material, the distribution area of the non-slip mat, and the like, and the protruding height in a particular embodiment may be greater than 2 mm).

In order to increase the static friction force between the second clamping arm 14 and the screen and effectively prevent the clamping force of the clamp body 1 from damaging the screen, a columnar pad 9 is arranged at the free end of the second clamping arm 14, and the columnar pad 9 is made of elastic materials, such as polyester materials, silica gel and the like.

Specifically to the particular embodiment of the present patent, as shown in fig. 4-6, the disk body 2 is concerned with including an annular sheet 21, a disk sheet 22, and a circular projection film 23. A slotted hole is arranged on one side end face of the annular film plate 21, the projection film 23 is arranged in the slotted hole, and the circular film plate 22 is fixed in the slotted hole, so that the annular film plate 21, the circular film plate 22 and the projection film 23 form a whole. A protruding shaft 222 is provided at the axial center of the disc plate 22, and the end of the protruding shaft 222 is a tapered surface in the drawing to facilitate smooth insertion into the end of the guide groove 5, so that the disc body 2 moves along the guide groove 5 into the slot 3 and is positioned at a position where the axial center of the disc body 2 corresponds to the axial center of the bottom plate 131. The plate surface of the annular sheet 21 is provided with a plurality of projection holes a (specifically 12 in the illustrated embodiment, and in other embodiments, 8 or 16 or other numbers may also be provided) uniformly spaced along the circumference. The plate surface of the wafer plate 22 is provided with projection holes B which are in one-to-one correspondence with the projection holes A. On the film projector 23, the story insets are respectively arranged corresponding to the projection holes a and arranged in sequence according to the story line progress along the clockwise or counterclockwise direction. That is, in the present patent solution, the illustrations on the respective page numbers of the existing storybook are placed on the projection film 23, and in a specific embodiment, the illustrations on each page of the existing storybook correspond to the projection film 23 at the position opposite to the corresponding overlapped pair of projection holes (one projection hole a, one projection hole B). The edge of the projection film 23 corresponding to the portion at the inner circle of the annular sheet 21 is provided with an indication icon 231, and the indication icon 231 corresponds to the first illustration position of the story. As shown in fig. 6, story cover art and name are printed on a portion of the projection film 23 corresponding to the inner circumference of the annular sheet 21.

When the disc body 1 is assembled in the slot 3 formed between the bottom plate and the top plate of the clamping arm 13 (the axis of the disc body is overlapped with the axis of the bottom plate), a certain projection hole (composed of a projection hole A and a projection hole B) on the disc body 2 corresponds to the space between the inner lens 7 and the outer lens 6.

The outer side wall of the annular sheet 21 is provided with a plurality of (12 in the figure) side grooves 212 which are arranged at intervals, and the side grooves 212 correspond to the extending direction of a straight line which is relatively vertical to the central connecting line of two adjacent projection holes and passes through the midpoint of the central connecting line. Typically, the number of side slots 212 corresponds to the number of projection apertures in the annular or disk plate. When the disc body 1 is assembled in the slot 3 formed between the bottom plate and the top plate of the clamping arm 13 (the axis of the disc body coincides with the axis of the bottom plate), the side groove 212 can be correspondingly matched with the convex teeth (31 and 32) arranged on the side wall of the slot 3, if a plurality of convex teeth exist, each convex tooth is respectively matched with the side groove 212 at the corresponding position, namely the convex teeth can be clamped into the corresponding side grooves. After the clamp body 1 and the disc body 2 are assembled together, the disc body 2 can rotate relative to the bottom plate 131 (around the protruding shaft 222) under the action of external force, and each time the disc body 2 is shifted, a certain protruding tooth (such as a protruding tooth one 31) can move out of one side groove 212 and move into the other adjacent side groove 212, and meanwhile, a projection hole corresponding to the space between the inner lens 7 and the outer lens 6 is switched into the other adjacent one. That is, when the disc body is rotated once, the rotation angle of the disc body relative to the base plate is fixed, and the projection holes can be sequentially in one-to-one correspondence between the inner lens 7 and the outer lens 6. As shown, the groove shape of the side grooves 212 is formed in a V-shape in order to ensure that the teeth can be smoothly moved into and out of the respective side grooves 212.

In the illustrated embodiment, the annular flange 213 is formed by providing circular grooves on the end surface of the annular sheet 21 to which the circular sheet 22 is attached, 12 protrusions are provided on the inner sidewall of the annular flange 213, the protrusions are evenly distributed along the circumference, correspondingly, 12 notches are provided on the outer sidewall of the circular sheet 22, each protrusion is correspondingly inserted into each notch, and the size of the division angle formed between two adjacent protrusions is equal to the size of the division angle formed between two adjacent side grooves. This arrangement enables the projection holes a on the annular sheet plate and the projection holes B on the sheet plate to be stacked (coaxially) one on another in a convenient and accurate manner. In order to ensure that the annular plate 21 and the circular plate 22 are firmly connected into a whole, a clamping group 24 is arranged between the two parts. The buckle group includes the lug that sets up on the annular sheet board and corresponds the jack that sets up on the wafer board, and lug and jack adopt interference mode assembly.

A plurality of boss-shaped pits 1321 are distributed on the outer end surface of the top plate 132. The top plate 132 is crescent shaped, and the boss-shaped pit 1321 can be made to imitate the pit on the moon for increasing meaning. The edge of the pressing arm 4 is provided with a cloud-shaped outline.

As shown in fig. 5 and 6, the side of the annular plate 21 where the indication icon 231 is provided is symmetrically provided with a local rough surface region, and the pattern profile of the rough surface region may be in a small cloud shape in a specific embodiment.

In order to improve the effect of the patent product used with a mobile phone (or a tablet computer and the like) in a matched manner. In a specific embodiment, a mobile phone/computer Application (APP) is further provided, the mobile phone application can identify the model of the mobile phone and identify the position of the flash lamp of the mobile phone according to the specific model, meanwhile, a positioning icon is formed on the screen (the position of the positioning icon formed on the screen can change with the position of the flash lamp), and when the columnar pad 9 is corresponding to the positioning icon formed on the screen of the mobile phone, one end (the end away from the film for showing) of the inner lens 7 can be aligned to the flash lamp of the mobile phone. Specifically, the positioning icon formed on the mobile phone screen is circular and is formed with a cross cursor passing through the center of a circle. The columnar pad 9 is made of a light-transmitting material, and cross marks are arranged on the end face of the columnar pad. When the clamp body 1 is installed on a mobile phone, lenses (6, 7) on the clamp body 1 can be corresponding to a flash lamp of the mobile phone only by overlapping the cross marks on the end face of the columnar pad 9 with the cross cursor formed on the screen of the mobile phone. Of course, the cross cursor formed on the screen of the mobile phone may also be an X-shaped cursor, and correspondingly, the mark formed on the end surface of the columnar pad 9 is also an X-shaped mark.

Further, in order to increase the pleasure of the patent product in use, so as to help children to better perceive various sounds in the story content, the interest of the children in listening to the story is increased. The set mobile phone application program can display story characters on a screen, words or phrases related to sound in the characters are highlighted, and corresponding sound can be emitted by clicking corresponding positions. In addition, an illustration corresponding to the displayed text content is displayed on the screen of the mobile phone, and parents can be reminded to rotate the disc body according to the illustration displayed by the mobile phone, so that the corresponding illustration is projected through the lens.

"words or phrases relating to sounds in text" include at least sentences such as names of various animals, sentences describing natural phenomena such as wind, rain, thunder, running water, waterfall, sentences describing sounds generated by object impact, friction, fracture, etc., sentences describing human or animal behaviors (laughing, crying, roaring, sighing, footsteps, clapping, etc.). For example, when the characters of the story contain the word of lambs, the word of lambs can be highlighted, the position of the word of lambs can be clicked by a mobile phone, and the mobile phone can play the sound of lambs. When the term 'cow' is available, the cow can play the ox horn sound by clicking the 'cow'. When the ugly duck is born, the description sentence of the cracking of the eggshell is highlighted, and the sound of the cracking of the eggshell can be played by a mobile phone by clicking the sentence.

In one embodiment, the system further comprises a verification card, and the verification card is printed with story content identification numbers. The application program can display the catalogues of different stories on the screen, a digital input area is formed after the catalog name of each story is clicked, and corresponding story characters and/or illustrations can be displayed on the screen after corresponding story content identification numbers are input.

It should be noted that, this patent can be used in scenes such as teaching, publicity, subject lecture, and the like, especially in teaching for middle and primary school students, by dynamically showing the illustration related to the teaching content, and the teacher can point out the part of the illustration that needs to be specially explained to the student with the hand on the side of emitting the light beam, and especially draw the attention of the student, so the teaching content can be shown vividly and with a new meaning with the help of this patent product, which is helpful to promote the learning interest of the student. After using this patent hardware product cooperation corresponding APP, can also demonstrate various sounds, help the student more vividly and understand the content of teaching vividly, can further add characteristics for the teaching, promote the interest of study.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. The present invention can be modified in many ways without departing from the spirit and scope of the present invention, and those skilled in the art can modify or change the embodiments described above without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A storybook projector, comprising: comprises a clamp body and a circular disc body;

one of the two clamping arms of the clamp body is in a disc shape, a boss is formed on the end face of the disc, which is far away from the other clamping arm, a slot extending in parallel along the radial direction is arranged on the inner side face of the boss, and the inner side face of the slot is in an arc shape;

an inner lens is arranged on the disc surface of the clamping arm corresponding to one side of the slot, and the inner lens is positioned in the slot; the boss is provided with an outer lens opposite to the inner lens;

when the clamp body is clamped on a mobile terminal with a light source, the outer end of the inner lens covers the outside of the light source, and light can be transmitted to the outer lens through the inner end of the inner lens and then emitted out;

the disc body is provided with a plurality of projection holes which are distributed at intervals along the circumferential direction, films bearing illustration are arranged in the projection holes, and the films bearing the illustration corresponding to story content of each chapter are sequentially arranged along the clockwise direction or the anticlockwise direction according to the story chapter sequence;

the part of the disk body is inserted into the slot and is relatively fixed on the disk of the clamping arm, so that when the part of the disk body outside the slot is pushed, the disk body can rotate around the axis of the disk body relative to the disk of the clamping arm, and the projection holes are switched to sequentially correspond between the inner lens and the outer lens.

2. A storybook projector according to claim 1, wherein: the end surface of the clamping arm formed into a disc is provided with a guide groove which passes through the center of the disc and extends into the slot of the boss; the boss is provided with a radially extending pressure arm which is arranged right above the guide groove; the axle center of the disc body is provided with a protruding shaft which can move from the outer end of the guide groove to the inner end of the guide groove in a limited way.

3. A storybook projector according to claim 1 or 2, wherein: two ends of the side wall of the slot are respectively provided with a convex tooth; a plurality of side grooves are uniformly distributed at intervals on the side wall of the disc body;

the number of the side grooves is consistent with that of the projection holes, and each side groove is respectively corresponding to the extending direction of a straight line which is relatively vertical to the central connecting line of two adjacent projection holes and passes through the midpoint of the central connecting line;

when the disk body is inserted into the slot, the two convex teeth are respectively matched with the side surface slots at the corresponding positions; in the process of stirring the disc body to rotate relative to the disc of the clamping arm, the convex teeth can move out of one side groove and then move into the other adjacent side groove.

4. A storybook projector according to claim 1 or 2, wherein: and the anti-skid pad is embedded on the end surface of the disc of the clamping arm with the disc, which is opposite to the other clamping arm.

5. A storybook projector according to claim 4, wherein: and a columnar pad is fixedly arranged at the end part of the other clamping arm and is made of an elastic material.

6. A storybook projector according to claim 5, wherein: the mobile phone and the tablet personal computer at least can identify the product models of the mobile phone and the tablet personal computer, and generate a positioning icon with a corresponding position on a screen after identifying the specific position of the flash lamp according to the product models;

the columnar pad is made of a light-transmitting material; when the columnar pad corresponds to a positioning icon formed on the screen, the inner lens is aligned at the flash lamp.

7. A storybook projector according to claim 1, wherein: the application program can be at least installed on products comprising a mobile phone and a tablet computer, so that story words and/or corresponding illustrations are displayed on a screen, words or short sentences related to sound are highlighted in the words, and corresponding sound can be produced by clicking the highlighted words or short sentence positions.

8. A storybook projector according to claim 7, wherein: the system also comprises a verification card, wherein story content identification numbers are printed on the verification card; the application program can display the catalogues of different stories on the screen, a digital input area is formed after the catalog name of each story is clicked, and corresponding story characters and/or illustrations can be displayed on the screen after corresponding story content identification numbers are input.

9. A storybook projector according to claim 1 or 2, wherein: the number of projection holes uniformly distributed on the disk body is 12.

10. A storybook projector according to claim 1 or 2, wherein: the outer lens has a focusing function.

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