Book placing rack for eyesight protection

Abstract

The utility model provides a book placing rack for eyesight protection, which comprises a base, one side of the base is rotatably provided with a rack plate for placing books, one side of the base is provided with a push lock piece for fixing the rack plate, and the base is also provided with a baffle block for blocking the bottoms of the books so as to prevent the books from sliding; the sliding guide plates are slidably mounted in the corresponding sliding grooves of the frame plate, and the sliding guide plates are clamped and fixed through zipper pieces on one side of the frame plate, so that a larger book is stably supported. The frame plate is rotationally installed on the base so that the placing angle of books can be conveniently adjusted, the sitting posture of a child can be corrected, the base is provided with the check block for preventing the books from sliding down, the book placing stability is improved, the pushing and locking piece adjusts locking of the frame plate by pushing the pushing handle to move front and back, and the position of the frame plate can be rapidly and conveniently adjusted through the pushing and locking piece.

Description

Technical Field

[0001] This utility model relates to the field of book storage rack technology, specifically a book storage rack for vision protection. Background Technology

[0002] Many children today have poor reading postures and habits, which can easily lead to nearsightedness, hunchback, and even cervical spine problems. Using a book rack can help children maintain proper posture and avoid looking down at the book with their eyes too close to it. However, existing book racks are not easy to adjust and generally cannot be adjusted according to the size of the book, affecting their effectiveness. Therefore, there is a need for a book rack specifically designed for vision protection. Utility Model Content

[0003] The technical problem solved by this utility model is to provide a book holder for vision protection, so as to solve the problems mentioned in the background art.

[0004] The technical problem solved by this utility model is achieved by the following technical solution: a book holder for vision protection, comprising:

[0005] The base has a shelf plate for placing books rotatably mounted on one side, a push-lock mechanism for fixing the shelf plate on one side, and a stop block for blocking the bottom of the books to prevent them from sliding.

[0006] The guide slide plate is slidably installed in the corresponding groove of the shelf plate, and is locked in place by a zipper on one side of the shelf plate to provide stable support for larger books.

[0007] The top seat is fixedly installed on the upper end of the guide plate, and a detector is rotatably installed in the middle of the top seat. Several distance sensors are distributed on the detector to detect the distance between the child's body and the book. The detector is connected to a controller on one side of the top seat, and a rotary locking device for adjusting the angle of the detector is provided on the side of the top seat away from the controller.

[0008] Specifically, the shelf is rotatably mounted on the base, and can be locked in place by a push-lock mechanism for easy adjustment. The guide slide is slidably mounted in the corresponding groove of the shelf, and can be locked in place by a pull-lock mechanism. The guide slide can be pulled out to provide stable support for larger books. The adjustable guide slide prevents books from obstructing the detectors. An adjustable-angle detector is installed on the top seat to detect the distance between the child's body and the book, preventing the child from getting too close to the book and reminding the child to maintain a proper sitting posture.

[0009] As a further embodiment of this utility model:

[0010] The base has support plates on both sides at one end to provide stable support for the base. The support plates have support grooves on both sides of the frame plate to accommodate the support plates when the frame plate is laid flat. The lower end of the frame plate has a rotating block with rotating shafts fixed on both sides. The rotating block is installed in the corresponding groove of the base and is inserted into the corresponding shaft hole of the base through the rotating shafts so that the frame plate can be rotated and installed on the base.

[0011] As a further embodiment of this utility model:

[0012] The base has a push-lock groove at a corresponding position on one side of the shaft hole. The push-lock component includes a positioning gear fixedly installed on one side of the rotating shaft and a locking block disposed on one side of the positioning gear. The locking block is fixedly installed on the slider and is slidably installed in the push-lock groove through the slider. A first spring is provided on the side of the slider away from the positioning gear to push the locking block to engage with the positioning gear. A push handle is externally connected to the upper end of the slider. Personnel can push the push handle to control the slider to move, so that the locking block disengages from the positioning gear. At this time, the frame plate can be rotated to adjust the position. After the adjustment is completed, the push handle is released, and the locking block engages with the positioning gear under the push of the first spring to fix the frame plate.

[0013] As a further embodiment of this utility model:

[0014] The back of the frame plate has a limiting groove, and the bottom of the guide plate has a limiting block. The limiting block slides within the limiting groove to prevent the guide plate from disengaging. The frame plate has a zipper groove corresponding to the zipper component. The zipper component includes a pull shaft that slides within the zipper groove and a pull handle at the outer end of the pull shaft. The pull shaft has a slide platform within the zipper groove, and a second spring that pushes the slide platform to move is located within the zipper groove. A pin is located on the side of the slide platform away from the pull handle. Several pin holes are distributed on one side of the guide plate corresponding to the pin. The pin is inserted into the corresponding pin hole to fix the guide plate. Personnel can pull the pull shaft outward using the pull handle to disengage the pin from the pin hole. Then, by adjusting the extended position of the guide plate and releasing the pull handle, the pin is pushed into the corresponding pin hole by the spring to fix the guide plate.

[0015] As a further embodiment of this utility model:

[0016] The detector has shafts on both sides and is rotatably mounted on the top seat. The top seat has a control room on the side away from the rotary locking component. The controller is installed in the control room, which is equipped with a power supply and an alarm that are electrically connected to the controller. The controller analyzes the data transmitted from the distance sensor to determine whether to issue an alarm and remind the child to pay attention to their posture.

[0017] As a further embodiment of this utility model:

[0018] The base has a locking groove corresponding to the locking component, with the locking groove located away from the control room. The locking component includes a resistance cylinder mounted on a shaft and a pressure block that cooperates with the resistance cylinder. The resistance cylinder and pressure block are located within the locking groove. Several resistance protrusions are arranged in a ring around the outer end of the resistance cylinder. The pressure block has resistance blocks that cooperate with the resistance protrusions. A third spring is located on the side of the pressure block away from the resistance cylinder, elastically pressing against the resistance cylinder to increase the resistance to shaft rotation and prevent the detector from rotating arbitrarily. A handle is connected to the side of the shaft away from the control room, allowing control of shaft rotation. Specifically, personnel rotate the shaft using the handle, causing the resistance cylinder to overcome the force of the pressure block and rotate to adjust the position of the detector. After adjustment, the third spring continues to press against the outer end of the resistance cylinder through the pressure block, applying resistance to maintain the stability of the detector.

[0019] Compared with existing technologies, the beneficial effects of this utility model are as follows: The shelf is rotatably mounted on the base to facilitate adjustment of the book's viewing angle, allowing children to maintain a proper sitting posture. The base also features a stop to prevent books from sliding down, improving book stability. The push-lock mechanism adjusts the locking of the shelf by moving the push handle back and forth, allowing for quick and convenient adjustment of the shelf's position. The guide slide is slidably mounted on the shelf, and its extension distance can be adjusted according to the size of the books to accommodate different book sizes. The top seat is located at the top of the guide slide, preventing books from obstructing the detector. The angle of the detector can be adjusted using a rotary lock to detect the distance between the child and the book. The controller analyzes the data and uses an alarm to remind the child to maintain a proper sitting posture. This device combines adjusting the book's viewing angle with electronic distance measurement to help children maintain a proper sitting posture and protect their eyesight. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a partial cross-sectional view of the base of this utility model;

[0022] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0023] Figure 4 This is a partial cross-sectional view of the frame structure of this utility model;

[0024] Figure 5 This is a partial cross-sectional view of the top seat of this utility model. Figure 1 ;

[0025] Figure 6This is a partial cross-sectional view of the top seat of this utility model. Figure 2 ;

[0026] Figure 7 for Figure 6 Enlarged structural diagram at point B;

[0027] The diagram shows the following components: 1. Base; 2. Frame plate; 3. Push lock component; 4. Guide plate; 5. Pull lock component; 6. Top seat; 7. Rotary lock component; 11. Stop block; 12. Support plate; 21. Slide groove; 22. Rotating block; 23. Rotating shaft; 24. Limiting groove; 25. Limiting block; 31. Push lock groove; 32. Positioning gear; 33. Locking tooth block; 34. Slider; 35. First spring; 36. Push handle; 51. Pull lock. 52. Groove; 53. Pull shaft; 54. Pull handle; 55. Slide table; 56. Second spring; 57. Pin; 68. Pin hole; 69. Detector; 60. Shaft; 61. Control room; 62. Controller; 63. Power supply; 64. Alarm device; 65. Distance sensor; 76. Twist lock groove; 77. Resistance cylinder; 78. Pressure block; 79. Resistance protrusion; 70. Resistance block; 71. Third spring; 72. Twist handle. Detailed Implementation

[0028] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0029] like Figures 1-7 As shown, this embodiment provides a book holder for vision protection, including:

[0030] The base 1 has a shelf plate 2 for placing books rotatably mounted on one side of the base 1. The base 1 also has a push-locking component 3 for fixing the shelf plate 2 on one side. The base 1 also has a stop block 11 for blocking the bottom of the books to prevent the books from sliding.

[0031] The guide plate 4 is slidably installed in the corresponding groove 21 of the shelf plate 2, and is locked and fixed by the pull lock 5 on one side of the shelf plate 2 to provide stable support for larger books.

[0032] The top seat 6 is fixedly installed on the upper end of the guide plate 4, and a detector 61 is rotatably installed in the middle of the top seat 6. Several distance sensors 67 are distributed on the detector 61 to detect the distance between the child's body and the book. The detector 61 is connected to a controller on one side of the top seat 6, and a rotary locking part 7 for adjusting the angle of the detector 61 is provided on the side of the top seat 6 away from the controller.

[0033] Specifically, the shelf 2 is rotatably mounted on the base 1. Personnel can use the push-lock 3 to lock and fix the shelf 2, making it easy for personnel to adjust. The guide slide 4 is slidably mounted in the corresponding slide groove 21 of the shelf 2. Personnel can use the pull-lock 5 to lock and fix the guide slide 4. Personnel can pull out the guide slide 4 to provide stable support for larger books. The adjustable guide slide 4 also prevents books from blocking the detector 61. The top seat 6 is equipped with an adjustable-angle detector 61 to detect the distance between the child's body and the book, preventing the child's body from getting too close to the book and reminding the child to maintain a proper sitting posture.

[0034] like Figure 1 and Figure 4 As shown, in this embodiment, support plates 12 are provided on both sides of one end of the base 1 to provide stable support for the base 1. Support grooves are provided on both sides of the frame plate 2 corresponding to the support plates 12 to accommodate the support plates 12 during the flat laying process of the frame plate 2. A rotating block 22 is provided at the lower end of the frame plate 2. Rotating shafts 23 are fixedly provided on both sides of the rotating block 22. The rotating block 22 is installed in the corresponding groove of the base 1 and is inserted into the corresponding shaft hole of the base 1 through the rotating shafts 23 so that the frame plate 2 is rotatably installed on the base 1.

[0035] like Figure 2 and Figure 3 As shown, in this embodiment, the base 1 has a push-lock groove 31 at a corresponding position on one side of the shaft hole. The push-lock component 3 includes a positioning gear 32 fixedly installed on one side of the rotating shaft 23 and a locking block 33 disposed on one side of the positioning gear 32. The locking block 33 is fixedly installed on the slider 34 and is slidably installed in the push-lock groove 31 through the slider 34. A first spring 35 is provided on the side of the slider 34 away from the positioning gear 32 to push the locking block 33 to engage with the positioning gear 32. A push handle 36 is externally connected to the upper end of the slider 34. Personnel can push the push handle 36 to control the slider 34 to move, so that the locking block 33 disengages from the positioning gear 32. At this time, the frame plate 2 can be rotated to adjust the position. After the adjustment is completed, the push handle 36 is released, and the locking block 33 engages with the positioning gear 32 under the push of the first spring 35 to fix the frame plate 2.

[0036] like Figure 4 and Figure 5As shown, in this embodiment, a limiting groove 24 is provided on the back of the frame plate 2, and a limiting block 25 is provided at the bottom of the guide plate 4. The limiting block 25 is slidably disposed in the limiting groove 24 to prevent the guide plate 4 from disengaging from the slide groove 21. The frame plate 2 is provided with a pull lock groove 51 corresponding to the pull lock component 5. The pull lock component 5 includes a pull shaft 52 slidably disposed in the pull lock groove 51 and a pull handle 53 disposed at the outer end of the pull shaft 52. The pull shaft 52 is provided with a slide table 54 in the pull lock groove 51, and a pushing slide is provided in the pull lock groove 51. The second spring 55 moves the slide 54. A pin 56 is provided on the side of the slide 54 away from the pull handle 53. A number of pin holes 57 are distributed on one side of the guide slide 4 corresponding to the pin 56. The pin 56 is inserted into the corresponding pin hole 57 to fix the guide slide 4. The operator can pull the pull shaft 52 outward by pulling the pull handle 53 to make the pin 56 disengage from the pin hole 57. Then, adjust the extension position of the guide slide 4, release the pull handle 53, and the pin 56 is pushed into the corresponding pin hole 57 by the spring to fix the guide slide 4.

[0037] The detector 61 has shafts 62 on both sides and is rotatably mounted on the top seat 6 via the shafts 62. The top seat 6 has a control chamber 63 on the side away from the rotary locking component 7. The controller 64 is installed in the control chamber 63, and the control chamber 63 has a power supply 65 and an alarm 66 that are electrically connected to the controller 64, so as to analyze the data transmitted by the distance sensor 67 to issue an alarm and remind the child to pay attention to their sitting posture.

[0038] like Figure 6 and Figure 7 As shown, in this embodiment, the base 1 has a locking groove 71 corresponding to the locking component 7, and the locking groove 71 is located away from the control chamber 63. The locking component 7 includes a resistance cylinder 72 mounted on the shaft 62 and a pressure block 73 that cooperates with the resistance cylinder 72. The resistance cylinder 72 and the pressure block 73 are located in the locking groove 71. Several resistance protrusions 74 are distributed in a ring at the outer end of the resistance cylinder 72. The pressure block 73 is provided with a resistance block 75 that cooperates with the resistance protrusions 74. A third spring 76 is provided on the side of the pressure block 73 away from the resistance cylinder 72, so that the third spring 76 elastically abuts against the resistance cylinder 72, thereby increasing the resistance to the rotation of the shaft 62 and preventing the detector 61 from rotating arbitrarily. A handle 77 is connected to the side of the shaft 62 away from the control chamber 63, so that the rotation of the shaft 62 can be controlled by the handle 77. Specifically, the operator rotates the shaft 23 rod through the handle 77, the resistance cylinder 72 overcomes the force of the pressure block 73, and rotates to adjust the position of the detector 61. After adjustment, the third spring 76 continues to press against the outer end of the resistance cylinder 72 through the pressure block 73, thereby applying a certain resistance to the resistance cylinder 72 and maintaining the stability of the detector 61.

[0039] Specifically, the shelf 2 is rotatably mounted on the base 1 to facilitate adjustment of the book's viewing angle, allowing children to maintain a proper sitting posture. The base 1 also features a stop block 11 to prevent books from sliding down, improving book stability. The push-lock 3 locks the shelf 2 by moving the push handle 36 back and forth, allowing for quick and convenient adjustment of the shelf 2's position. The guide slide 4 is slidably mounted on the shelf 2, and its extension distance can be adjusted to accommodate books of different sizes. The top seat 6 is positioned above the guide slide 4, preventing books from obstructing the detector 61. The angle of the detector 61 can be adjusted using the rotary locking mechanism 7 to detect the distance between the child and the book. The controller 64 analyzes the data, and an alarm 66 sounds to remind the child to maintain a proper posture. This device combines adjusting the book's viewing angle with electronic distance measurement to help children maintain a proper sitting posture and protect their eyesight.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A book holder for vision protection, characterized in that: include: The base (1) has a shelf plate (2) for placing books rotatably mounted on one side of the base (1), and a push-locking part (3) for fixing the shelf plate (2) is provided on one side of the base (1). The base (1) also has a stop block (11) for blocking the bottom of the books to prevent the books from sliding. The guide plate (4) is slidably installed in the corresponding groove (21) of the shelf plate (2), and the guide plate (4) is snapped and fixed by the zipper (5) on one side of the shelf plate (2) to provide stable support for larger books; The top seat (6) is fixedly installed on the upper end of the guide plate (4), and a detector (61) is rotatably installed in the middle of the top seat (6). Several distance sensors (67) are distributed on the detector (61) to detect the distance between the child's body and the book. The detector (61) is connected to a controller on one side of the top seat (6). A rotary locking part (7) for adjusting the angle of the detector (61) is provided on the side of the top seat (6) away from the controller.

2. The book holder for vision protection according to claim 1, characterized in that: The base (1) has support plates (12) on both sides of one end to provide stable support for the base (1). The support plate (2) has support grooves on both sides corresponding to the support plates (12) to accommodate the support plates (12) during the flat placement of the support plate (2). The lower end of the support plate (2) has a rotating block (22). The rotating block (22) has a rotating shaft (23) fixed on both sides. The rotating block (22) is installed in the corresponding groove of the base (1) and inserted into the corresponding shaft hole of the base (1) through the rotating shaft (23) so that the support plate (2) can be rotated and installed on the base (1).

3. A book holder for vision protection according to claim 2, characterized in that: The base (1) has a push-lock groove (31) at a corresponding position on one side of the shaft hole. The push-lock component (3) includes a positioning gear (32) fixedly installed on one side of the rotating shaft (23) and a toothed block (33) set on one side of the positioning gear (32). The toothed block (33) is fixedly installed on the slider (34) and is slidably installed in the push-lock groove (31) through the slider (34). A first spring (35) is provided on the side of the slider (34) away from the positioning gear (32) to push the toothed block (33) to engage with the positioning gear (32). A push handle (36) is connected to the upper end of the slider (34).

4. A book holder for vision protection according to claim 1, characterized in that: The back of the frame plate (2) is provided with a limiting groove (24), and the bottom of the guide plate (4) is provided with a limiting block (25). The limiting block (25) is slidably disposed in the limiting groove (24) to prevent the guide plate (4) from disengaging from the slide groove (21). The frame plate (2) is provided with a pull lock groove (51) corresponding to the pull lock component (5). The pull lock component (5) includes a pull shaft (52) slidably disposed in the pull lock groove (51) and a pull handle (53) disposed at the outer end of the pull shaft (52). The pull shaft (52) is provided with a slide table (54) in the pull lock groove (51). A second spring (55) is provided in the pull lock groove (51) to push the slide table (54) to move. A pin (56) is provided on the side of the slide table (54) away from the pull handle (53). A number of pin holes (57) are distributed on one side of the guide plate (4) corresponding to the pin (56). The pin (56) is inserted into the corresponding pin hole (57) to fix the guide plate (4).

5. A book holder for vision protection according to claim 1, characterized in that: The detector (61) has shafts (62) on both sides and is rotatably mounted on the top seat (6) via the shafts (62). The top seat (6) has a control chamber (63) on the side away from the rotary lock (7). The controller (64) is installed in the control chamber (63), and the control chamber (63) is equipped with a power supply (65) and an alarm (66) that are electrically connected to the controller (64) so ​​as to analyze the data transmitted back by the distance sensor (67) to issue an alarm.

6. A book holder for vision protection according to claim 5, characterized in that: The base (1) has a locking groove (71) corresponding to the locking component (7), and the locking groove (71) is on the side away from the control room (63). The locking component (7) includes a resistance cylinder (72) installed on the shaft (62) and a pressure block (73) that cooperates with the resistance cylinder (72). The resistance cylinder (72) and the pressure block (73) are located in the locking groove (71). Several resistance protrusions (74) are distributed in a ring at the outer end of the resistance cylinder (72). The pressure block (73) is provided with a resistance block (75) that cooperates with the resistance protrusions (74). A third spring (76) is provided on the side of the pressure block (73) away from the resistance cylinder (72) so that it elastically abuts against the resistance cylinder (72) to increase the resistance of the shaft (62) rotation. A handle (77) is connected to the side of the shaft (62) away from the control room (63) so that the shaft (62) can be rotated by the handle (77).

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