CN211459230U

CN211459230U - Myopia-preventing bookshelf

Info

Publication number: CN211459230U
Application number: CN201921974962.1U
Authority: CN
Inventors: 杨海乾
Original assignee: Hangzhou Prajna Source Information Technology Co ltd
Current assignee: Hangzhou Prajna Source Information Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-11
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to a bookshelf technical field discloses myopia prevention bookshelf, it includes bottom plate and backup pad, still include the camera, ultrasonic sensor, steering wheel and support, the camera is installed in the backup pad, steering wheel and ultrasonic sensor all install on the bottom plate, the camera is connected with ultrasonic sensor, ultrasonic sensor is connected with the steering wheel, the one end and the backup pad of support rotate to be connected, the other end and the steering wheel swing arm of support rotate to be connected, the steering wheel swing arm is swung forward and is promoted the support or is swung backward and stimulate the angle modulation that the support realized backup pad and bottom plate. The utility model discloses simple structure gives ultrasonic sensor through the information transmission of camera with discernment, and ultrasonic sensor can detect the distance of eyes and books and judge whether too far away or too near of this distance to with signal transmission for the steering wheel, the steering wheel makes the backup pad rotate forward or rotate backward through the support, finally makes the distance of eyes and books keep in suitable within range, thereby effectively prevents myopia.

Description

Myopia-preventing bookshelf

Technical Field

The utility model relates to a bookshelf technical field especially relates to myopia prevention bookshelf.

Background

Reading is essential work in student's study, obtains the books knowledge through reading, remembers knowledge repeatedly and carefully understands, reaches the purpose of nimble application. Usually, when people read, books can be placed on a table top, the people usually need to read with heads down, the eyes are tired and short-sighted due to incorrect posture and over-tight visual range, and cervical spondylosis can be caused after long-term reading. Reading can also feel tired if the book is held in hands, so that a reading bookshelf capable of adjusting the reading angle of the book is needed, so that students can read the book conveniently and the myopia of the students can be effectively prevented.

Chinese patent No. CN205180750U discloses a reading bookshelf, reading bookshelf include base, lower tip with the base rotate the grudging post of connecting mutually through first axis, with the base rotate the support of connecting mutually through the second axis, first axis and second axis extend along left right direction, the support setting be in the rear side of grudging post, reading bookshelf have fold condition and expansion state, work as reading bookshelf be located when expansion state, the support be used for supporting the support. Reading bookshelf can place the book on the grudging post, use the support to hold the grudging post simultaneously, changed the reading angle of books like this to changed reader's reading posture, can prevent diseases such as cervical spondylopathy myopia. However, in practical use, when books are placed, the books need to be fixed by furniture, and the page turning operation is inconvenient; and when adjusting books reading angle, need manual regulation, it is comparatively inconvenient to adjust, also can not guarantee simultaneously that the distance of eyes and books keeps inconvenient as far as possible.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to shortsightedness prevention bookshelf among the prior art defects such as the book reading angular adjustment is inconvenient, provide a simple structure, can effectively prevent myopia, the convenient myopia prevention bookshelf of books angular adjustment.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

myopia prevention bookshelf, including bottom plate and the backup pad of rotation connection on the bottom plate, still include the camera, ultrasonic sensor, steering wheel and the support that is used for supporting the backup pad, the camera is installed in the backup pad, steering wheel and ultrasonic sensor all install on the bottom plate, the camera is connected with ultrasonic sensor, ultrasonic sensor is connected with the steering wheel, the one end and the backup pad of support rotate to be connected, the other end and the steering wheel swing arm of support rotate to be connected, the steering wheel swing arm swings forward and promotes the support or swings the angle modulation that pulls the support realization backup pad and bottom plate backward. The camera is arranged to identify eyes, and is connected with the ultrasonic sensor, so that the camera can conveniently send identification information to the ultrasonic sensor, the ultrasonic sensor can detect the distance between the eyes and books and judge whether the distance is too far or too close, when the distance is too far, the ultrasonic sensor transmits a signal to the steering engine, the steering engine is started and drives the steering engine swing arm to swing forwards, the steering engine swing arm swings forwards to provide driving force for the support, the support supports forwards against the supporting plate, an included angle between the front side face of the supporting plate and the upper end face of the bottom plate is reduced, and the supporting plate is close to the eyes, so that the distance between the books and the eyes is close; on the contrary, when the distance is too close, the ultrasonic sensor transmits a signal to the steering engine, the steering engine is started, the steering engine swing arm is driven to swing backwards, the steering engine swing arm swings backwards to provide pulling force for the support, the support pulls the support plate backwards, the included angle between the front side face of the support plate and the upper end face of the bottom plate is enlarged, the support plate is far away from eyes, the distance between books and the eyes is far away, and finally the distance between the eyes and the books is kept in a proper range, so that myopia is effectively prevented. The whole structure is simple, the adjusting process is sensitive and reliable, manual adjustment is not needed, and the device is very convenient.

Preferably, the lower end of the support plate is provided with a book placing plate, and the book placing plate and the support plate form a book placing shelf. The bookshelf has a simple structure, and books can be placed and turned conveniently.

Preferably, the book placing plate is arranged perpendicular to the supporting plate. The book is more convenient to place.

As preferred, the coupling assembling that is used for rotating with the bottom plate and is connected is all installed at the both ends of backup pad, coupling assembling is including fixing first fixed block in the backup pad, fixing the second fixed block on the bottom plate, a connecting axle for connecting first fixed block and first fixed block, all seted up on first fixed block and the second fixed block with connecting axle complex pilot hole, the connecting axle is pegged graft in the pilot hole, first fixed block and second fixed block pass through the connecting axle and rotate the connection. The connecting assembly is simple in structure and convenient to assemble.

Preferably, the second fixing block comprises a horizontal plate connected with the bottom plate and a vertical plate connected with the first fixing block, and the horizontal plate and the vertical plate form an L-shaped second fixing block. The second fixing plate is simple in structure and firm in connection.

Preferably, the camera is mounted on the upper end of the support plate. The eyes are easy to identify.

Preferably, the lower end of the supporting plate is rotatably connected to the front side of the bottom plate, and the steering engine, the ultrasonic sensor and the support are all located on the rear side of the supporting plate. The space utilization rate can be effectively improved, and the whole structure is simpler and more compact.

Preferably, a gap is provided between the lower end of the support plate and the bottom plate. The rotation of the supporting plate is convenient, and the lower end of the supporting plate is prevented from being clamped on the bottom plate.

Preferably, one end of the bracket is rotatably connected to the upper end of the support plate. The support plate is convenient to push forwards or pull backwards by the bracket.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the utility model discloses simple structure, camera through setting up and being connected with ultrasonic sensor, the information transmission of the camera of being convenient for with discernment gives ultrasonic sensor, ultrasonic sensor can detect the distance of eyes and books and judge whether too far away or too near this distance, and give the steering wheel with the signal transmission, the steering wheel swing arm swings forward or swings backward, make the backup pad rotate forward or rotate backward through the support, thereby adjust the contained angle between the leading flank of backup pad and the bottom plate up end, the distance that finally makes eyes and books keeps in suitable within range, thereby effectively prevent near-sightedly. The whole structure is simple, the adjusting process is very sensitive and reliable, manual adjustment is not needed, and the device is very convenient; the bookshelf has a simple structure, and books can be placed and turned conveniently.

Drawings

Fig. 1 is a schematic structural diagram of a myopia prevention bookshelf.

Fig. 2 is a schematic structural view of the support plate away from the eye in example 1.

Fig. 3 is a schematic structural view of the support plate near the eye in example 1.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-bottom plate, 2-backup pad, 21-book placing plate, 22-bookshelf, 3-camera, 4-ultrasonic sensor, 5-steering wheel, 6-support, 7-coupling assembling, 71-first fixed block, 72-second fixed block, 721-horizontal plate, 722-vertical plate, 73-connecting axle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

A myopia prevention bookshelf in the embodiment, as shown in fig. 1-3, based on the front, back, left and right directions in fig. 1, comprises a bottom plate 1 and a supporting plate 2 rotatably connected to the bottom plate 1, and further comprises a camera 3, an ultrasonic sensor 4, a steering engine 5 and a support 6 for supporting the supporting plate 2, wherein the camera 3 is installed on the supporting plate 2, the steering engine 5 and the ultrasonic sensor 4 are both installed on the bottom plate 1, the camera 3 is connected with the ultrasonic sensor 4, the ultrasonic sensor 4 is connected with the steering engine 5, one end of the support 6 is rotatably connected with the supporting plate 2, the other end of the support 6 is rotatably connected with a swing arm of the steering engine 5, and the swing arm of the steering engine 5 swings forwards to push the support 6 or swings backwards to pull the support 6 to achieve. The camera 3 is arranged, eyes can be identified, the camera 3 is connected with the ultrasonic sensor 4, the camera 3 can conveniently send identification information to the ultrasonic sensor 4, the ultrasonic sensor 4 can detect the distance between the eyes and books and judge whether the distance is too far or too close, when the distance is too far, the ultrasonic sensor transmits a signal to the steering engine 5, the steering engine 5 is started and drives the swing arm of the steering engine 5 to swing forwards, the swing arm of the steering engine 5 swings forwards to provide a driving force for the support 6, the support 6 supports the support plate 2 forwards, an included angle between the front side surface of the support plate 2 and the upper end surface of the bottom plate 1 is reduced, and the support plate 2 is close to the eyes, so that the distance between the books and the eyes is close; on the contrary, when this distance is too close, ultrasonic sensor gives steering wheel 5 with the signal transmission, steering wheel 5 starts to drive 5 swing arms of steering wheel and swing backward, thereby 5 swing arms of steering wheel swing backward for support 6 provides the power of drawing, and then support 6 stimulates backup pad 2 backward, make the contained angle grow between 2 leading flank of backup pad and the 1 up end of bottom plate, eyes are kept away from to backup pad 2, thereby make books keep away from with the distance of eyes, the distance that finally makes eyes and books keeps in suitable within range, thereby effectively prevent near-sighted. The whole structure is simple, the adjusting process is sensitive and reliable, manual adjustment is not needed, and the device is very convenient.

The lower end of the support plate 2 is provided with a book placing plate 21, and the book placing plate 21 and the support plate 2 form a book placing shelf 22. The bookshelf 22 has a simple structure, and books can be placed and turned conveniently.

The book placing plate 21 is arranged perpendicular to the support plate 2. The book is more convenient to place.

The coupling assembling 7 that is used for rotating with bottom plate 1 and is connected is all installed at the both ends of backup pad 2, coupling assembling 7 is including fixing first fixed block 71 in backup pad 2, fix the second fixed block 72 on bottom plate 1, a connecting axle 73 for connecting first fixed block 71 and first fixed block 71, all seted up on first fixed block 71 and the second fixed block 72 with connecting axle 73 complex pilot hole, connecting axle 73 pegs graft in the pilot hole, first fixed block 71 and second fixed block 72 rotate through connecting axle 73 and are connected. The connecting assembly 7 is simple in structure and convenient to assemble.

The second fixing block 72 includes a horizontal plate 721 connected to the base plate 1 and a vertical plate 722 connected to the first fixing block 71, and the horizontal plate 721 and the vertical plate 722 form an L-shaped second fixing block 72. The second fixing plate is simple in structure and firm in connection.

The camera 3 is installed at the upper end of the support plate 2. The eyes are easy to identify.

The lower end of the supporting plate 2 is rotatably connected to the front side of the bottom plate 1, and the steering engine 5, the ultrasonic sensor 4 and the support 6 are all located on the rear side of the supporting plate 2. The space utilization rate can be effectively improved, and the whole structure is simpler and more compact.

The utility model discloses a theory of operation is: in the embodiment, the book reading device further comprises a UNO plate, the UNO plate is installed on the bottom plate 1 and connected with the ultrasonic sensor 4 and the steering engine 5, after the optimal distance range between eyes and books is determined, the ultrasonic sensor 4 and the steering engine 5 are compiled, when a user reads, the camera 3 can identify the eyes and transmit signals to the ultrasonic sensor 4, the ultrasonic sensor 4 can detect the distance between the eyes and the books, if the eyes are too close to the books and smaller than the optimal distance, the ultrasonic sensor 4 transmits the signals to the steering engine 5, the steering engine 5 is started to enable the swing arm of the steering engine 5 to swing backwards, the swing arm of the steering engine 5 pulls the support 6 backwards, the support 6 drives the support plate 2 to rotate backwards, and the books are far away from the eyes; otherwise, the swing arm of the steering engine 5 pushes the support 6 forwards, the support 6 drives the support plate 2 to rotate forwards, and the book is close to the eyes, so that the distance between the eyes and the book is maintained within the optimal distance range.

Example 2

The myopia prevention bookshelf of the embodiment is different from the myopia prevention bookshelf of the embodiment 1 in that: a gap is arranged between the lower end of the supporting plate 2 and the bottom plate 1. The rotation of the supporting plate 2 is convenient, and the lower end of the supporting plate 2 is prevented from being clamped on the bottom plate 1.

Example 3

The myopia prevention bookshelf of the embodiment is different from the myopia prevention bookshelf of the embodiment 1 in that: one end of the bracket 6 is rotatably connected to the upper end of the support plate 2. Facilitating the bracket 6 to push the support plate 2 forward or pull it backward.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. Myopia prevention bookshelf includes bottom plate (1) and rotates backup pad (2) of connecting on bottom plate (1), its characterized in that: still include camera (3), ultrasonic sensor (4), support (6) of steering wheel (5) and be used for supporting backup pad (2), install camera (3) in backup pad (2), steering wheel (5) and ultrasonic sensor (4) are all installed on bottom plate (1), camera (3) are connected with ultrasonic sensor (4), ultrasonic sensor (4) are connected with steering wheel (5), the one end and backup pad (2) of support (6) rotate to be connected, the other end and steering wheel (5) swing arm of support (6) rotate to be connected, steering wheel (5) swing arm swings forward and promotes support (6) or swings backward and stimulate support (6) and realize the angle modulation of backup pad (2) and bottom plate (1).

2. The anti-myopia bookshelf according to claim 1, wherein: the lower end of the supporting plate (2) is provided with a book placing plate (21), and the book placing plate (21) and the supporting plate (2) form a book placing shelf (22).

3. The anti-myopia bookshelf according to claim 2, wherein: the book placing plate (21) is vertical to the supporting plate (2).

4. The anti-myopia bookshelf according to claim 1, wherein: coupling assembling (7) that are used for rotating with bottom plate (1) and are connected are all installed to the both ends of backup pad (2), coupling assembling (7) are including fixing first fixed block (71) on backup pad (2), fix second fixed block (72) on bottom plate (1), be used for connecting axle (73) of first fixed block (71) and first fixed block (71), all seted up on first fixed block (71) and second fixed block (72) with connecting axle (73) complex pilot hole, connecting axle (73) are pegged graft in the pilot hole, first fixed block (71) and second fixed block (72) are rotated through connecting axle (73) and are connected.

5. The anti-myopia bookshelf according to claim 4, wherein: the second fixing block (72) comprises a horizontal plate (721) connected with the bottom plate (1) and a vertical plate (722) connected with the first fixing block (71), and the horizontal plate (721) and the vertical plate (722) form an L-shaped second fixing block (72).

6. The anti-myopia bookshelf according to claim 1, wherein: the camera (3) is arranged at the upper end of the supporting plate (2).

7. The anti-myopia bookshelf according to claim 1, wherein: the lower end of the supporting plate (2) is rotatably connected to the front side of the bottom plate (1), and the steering engine (5), the ultrasonic sensor (4) and the support (6) are all located on the rear side of the supporting plate (2).

8. The anti-myopia bookshelf according to claim 1, wherein: a gap is arranged between the lower end of the supporting plate (2) and the bottom plate (1).

9. The anti-myopia bookshelf according to claim 1, wherein: one end of the bracket (6) is rotatably connected with the upper end of the supporting plate (2).