A penmanship and posture correction device

Abstract

This invention discloses a penmanship and sitting posture correction device. The device includes a wrist-aligning device for correcting a hooked wrist posture. The wrist-aligning device includes a correction rod for keeping the wrist and forearm in a straight line, a limiting member, and a fixing member for fixing it to a tabletop. The limiting member is connected to the top of the fixing member and can rotate horizontally within a defined angle range. This penmanship and sitting posture correction device includes a wrist-aligning device and a neck and back correction device. The wrist-aligning device effectively corrects the hooked wrist posture during handwriting, while the neck and back correction device effectively corrects the hunching and bending posture during handwriting. While correcting the hooked wrist, the right hand and arm can freely rotate up and down and slide horizontally within a certain range, providing good comfort and freedom of movement during correction. It offers fast correction speed and a high success rate for poor sitting posture during penmanship.

Description

Technical Field

[0001] This invention relates to the field of learning tools, specifically to a penmanship and posture correction device. Background Technology

[0002] Chinese characters are a unique part of traditional Chinese culture. Writing neat, beautiful, and elegant characters gives an impression of refinement and competence. Practicing good handwriting can also enhance one's image and may even improve a student's exam scores. To write well, one must first master the correct pen-holding and sitting posture. Maintaining the correct writing posture is essential for good handwriting. Writing posture refers to the proper body position while writing. One should sit upright with shoulders level for balance; head straight, slightly tilted forward; chest upright, about a fist's width (10 cm) from the edge of the table; eyes about 35 cm from the table at a 45-degree angle; right hand holding the pen, left hand resting flat on the table and pressing against the paper to balance the force of the pen. Currently, many students have problems with improper handwriting posture, especially wrist hooking and hunching over. Many parents are trying to correct their children's improper handwriting posture, and some parents are very worried that their children will have improper handwriting posture in the future. How to design a penmanship and sitting posture correction device to effectively correct improper handwriting posture, and not be too rigid in use, causing excessive restriction of handwriting and aversion to use, is a technical problem that urgently needs to be solved. Summary of the Invention

[0003] Therefore, the present invention provides a penmanship and sitting posture correction device to solve the problem that existing penmanship posture correction devices are too rigid, causing excessive restriction of freedom in the handwriting process and inconvenience in use.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] This invention provides a penmanship and sitting posture correction device, which includes a wrist-aligning device for correcting a hooked wrist posture. The wrist-aligning device includes a correction rod for keeping the wrist and forearm in a straight line, a limiting member, and a fixing member for fixing it on a table. The limiting member is connected to the top of the fixing member and can rotate horizontally within a limited angle range. The correction rod is telescopically connected to one side of the limiting member along its length and extends in a direction away from the limiting member. The wrist-aligning device also includes a connecting member connected to one side of the correction rod for fixing the wrist and forearm so that they can only move in extension or horizontal rotation by contacting the correction rod.

[0006] Furthermore, the corrective rod includes a corrective rod body and a sliding ruler strip that can slide back and forth along the corrective rod body. The connecting member includes a thumb ring for limiting the thumb, a wrist strap, and a forearm strap, which are connected at intervals to one side of the sliding ruler strip.

[0007] Furthermore, the limiting component includes a limiting base and a turntable. The rear end of the correcting rod body is rotatably connected to the planar side of the turntable in the vertical direction. A cylindrical protrusion extends upward from the center of the top of the limiting base. A circular blind hole is provided on the top of the limiting base. The turntable is a partial disc with the planar side. A circular through hole for passing through the cylindrical protrusion is provided between the upper and lower surfaces of the turntable. A turntable protrusion extends downward from the lower surface of the turntable, inserts into the circular blind hole of the base, and can only move within the circular blind hole of the base so that the correcting rod body can only rotate within a set range in the horizontal direction. A retaining spring groove is provided on the top of the cylindrical protrusion to prevent the turntable from sliding upward.

[0008] Furthermore, a screw hole is provided on the flat side of the turntable, and the rear end of the correcting rod body is detachably connected to the screw hole by a screw.

[0009] Furthermore, the fixing component includes a U-shaped frame, a rotating screw, a rotating handle, and a top plate. The limiting base is detachably connected to the top wall of the U-shaped frame by a screw. The bottom wall of the U-shaped frame has a through hole for passing through the rotating screw. The rotating handle is detachably connected to the bottom end of the rotating screw. The top plate is detachably connected to the top end of the rotating screw so that the desk panel is snapped between the top plate and the top plate of the U-shaped frame.

[0010] Furthermore, the penmanship and posture correction device also includes a neck and back correction device for correcting hunching and bending over. The neck and back correction device includes a vertical rod, a horizontal rod, a desktop fixing component, a head fixing component, a pull rope, and a winding wheel. The desktop fixing component is connected to the bottom of the vertical rod, the horizontal rod is connected to the top of the vertical rod, and the horizontal rod and the vertical rod are hinged together. The winding wheel is connected to the lower middle part of the vertical rod. The pull rope is wound around the winding wheel and can be pulled outwards, and the free end of the pull rope extends downwards through the horizontal rod and is connected to the head fixing component.

[0011] Furthermore, the horizontal rod and the vertical rod are connected by a folding rod connector, which includes two connecting tubes that are hinged together by gears. The vertical rod and the horizontal rod are detachably connected to the two connecting tubes respectively. The gears are connected to a rotary valve for tightening or loosening the gear engagement to adjust and fix the angle between the two connecting tubes.

[0012] Furthermore, the head fixing component includes a top cover, a chin pocket, and two adjustable straps. The free end of the pull rope is connected to the top of the top cover, and the two adjustable straps are respectively connected between the top cover and the chin pocket.

[0013] Furthermore, the desktop fixing component includes a U-shaped plate, a rotating screw, a rotating handle, and a snap-fit ​​piece. The top wall of the U-shaped plate and the bottom of the vertical rod are connected by a screw. The bottom wall of the U-shaped plate has a through hole for passing through the rotating screw. The rotating handle is detachably connected to the bottom end of the rotating screw. The snap-fit ​​piece is detachably connected to the top end of the rotating screw so that the desk panel is snapped between the snap-fit ​​piece and the top plate of the U-shaped plate.

[0014] Furthermore, the winding reel includes a housing, a rotating reel, and a locking member for locking the pull rope. The rotating reel is rotatably connected inside the housing, and the pull rope is wound in multiple turns around the rotating reel. One end of the locking member is located outside the housing and is rotatably inserted through the rotating reel and the housing to lock the rotating reel after rotation, preventing rotation between the rotating reel and the housing.

[0015] The present invention has the following advantages:

[0016] This invention relates to a penmanship and posture correction device, which includes a wrist-aligning device and a neck and back correction device. The wrist-aligning device effectively corrects the hooked wrist posture during handwriting, while the neck and back correction device effectively corrects the hunching and bending posture during handwriting, providing good comfort and ease of use. While correcting the hooked wrist, the right hand and arm can freely rotate up and down and slide horizontally within a certain range, providing excellent comfort and freedom of movement during correction. It is also convenient and easy to use, and has a fast correction speed and high success rate for poor posture during penmanship. Attached Figure Description

[0017] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0019] Figure 1 This is a schematic diagram of the wrist correction device in a penmanship and sitting posture correction device provided in embodiments 1, 2 and 3 of the present invention;

[0020] Figure 2 This is a schematic diagram of the wrist correction device in a penmanship and sitting posture correction device provided in embodiments 2, 3 and 5 of the present invention;

[0021] Figure 3 This is a schematic diagram of the wrist correction device in a penmanship and sitting posture correction device provided in Embodiment 2 of the present invention;

[0022] Figure 4 This is a schematic diagram of the limiting and fixing components of the wrist correction device in a pen writing and sitting posture correction device provided in embodiments 3 and 4 of the present invention;

[0023] Figure 5 This is a schematic diagram of the neck and back correction device in a penmanship and sitting posture correction device provided in Embodiments 6-9 of the present invention;

[0024] Figure 6 This is a schematic diagram of the folding rod connector of the neck and back correction device in a pen writing and sitting posture correction device provided in Embodiment 7 of the present invention;

[0025] Figure 7 This is a schematic diagram of the winding wheel of the neck and back correction device in a penmanship and sitting posture correction device provided in Embodiment 10 of the present invention;

[0026] In the picture:

[0027] 1. Correcting rod; 2. Limiting component; 3. Fixing component; 4. Connecting component; 11. Correcting rod body; 12. Sliding ruler; 21. Limiting base; 22. Turntable; 23. Flat side; 24. Cylindrical protrusion; 25. Circular blind hole in the base; 26. Circular through hole in the turntable; 27. Turntable protrusion; 28. Screw hole; 29. ​​Snap ring groove; 31. U-shaped bracket; 32. Rotating screw; 33. Rotating handle; 34. Support plate; 41. Thumb ring; 42. Wrist clip 43. Forearm strap; 51. Vertical bar; 52. Horizontal bar; 53. Desktop fixing component; 54. Head fixing component; 55. Pull rope; 56. Winding wheel; 57. Folding rod connector; 58. Connecting tube; 59. Rotary valve; 61. Top cover; 62. Chin pocket; 63. Adjustable length strap; 71. U-shaped plate; 72. Rotating screw; 73. Rotating handle; 74. Clip-on piece; 81. Housing; 82. Rotating wheel; 84. Locking component. Detailed Implementation

[0028] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example 1

[0030] This embodiment provides a penmanship and posture correction device, such as... Figure 1 As shown, the penmanship and sitting posture correction device includes a wrist straightening device for correcting wrist hooking posture. The wrist straightening device includes a correction rod 1 for keeping the wrist and forearm in a straight line, a limiting member 2, and a fixing member 3 for fixing to a table. The limiting member 2 is connected to the top of the fixing member 3 and can rotate horizontally within a limited angle range. The correction rod 1 is telescopically connected to one side of the limiting member 2 along its length and extends in a direction away from the limiting member 2. The wrist straightening device also includes a connecting member 4 connected to one side of the correction rod 1 for fixing the wrist and forearm so that they can only move in contact with the correction rod 1 for telescopic movement or horizontal rotation.

[0031] Firstly, when using the penmanship and posture correction device of this embodiment, firstly, fix the fixing piece 3 to the desktop board of the desk on the side closest to the student's body, and then connect the right wrist and forearm to the connecting piece 4 (the wrist and forearm are located on the right side of the correction rod 1). Figure 1(The direction of the drawing) In this way, when students write, their right wrist and forearm can only be parallel to the correction rod 1 and keep in a straight line, which effectively prevents the wrist from hooking when writing and corrects the posture of hooking the wrist when writing.

[0032] Secondly, during the writing process using the penmanship and posture correction device, the limiting component 2 restricts the horizontal rotation of the correction rod 1. The correction rod 1 can only swing within a certain angle in the horizontal direction with the limiting component 2. Therefore, the right hand and forearm can only swing within a certain angle in the horizontal direction parallel to the table, such as the angle between 11 o'clock and 12 o'clock on a clock face. This allows students to change positions normally while writing. Furthermore, during the use of the penmanship and posture correction device in this embodiment, the right hand and forearm can move forward and backward and up and down with the correction rod 1 (always keeping the wrist and forearm parallel to the correction rod 1). This does not affect the normal activities of the right hand, such as raising the hand or picking up stationery. The forward and backward movement accompanies the forward and backward extension movement of the correction rod 1 (the forward and backward movement is along the straight line of the correction rod 1), and the up and down movement accompanies the hinge movement between the correction rod 1 and the connecting component 4 (the up and down movement is along the straight line of the correction rod 1). Figure 1 Image orientation: When pointing upwards, the front end of the correction lever 1 moves outwards from the paper; when pointing downwards, the front end of the correction lever 1 moves forward into the paper.

[0033] In summary, the penmanship and sitting posture correction device of this embodiment can effectively correct the bad posture of hooking the wrist when writing, and will not affect the normal activity of the student's right arm and right hand. It has good freedom, practicality and convenience, and will not cause discomfort or resistance to use to students.

[0034] Example 2

[0035] As described in Example 1, the penmanship and posture correction device, such as Figure 1 , 2 As shown in Figure 3, the correcting rod 1 includes a correcting rod body 11 and a sliding ruler 12 (front and back indicators) that can slide back and forth along the correcting rod body 11. Figure 2 (From left to right in the picture direction), the connector 4 includes a thumb ring 41 for limiting the thumb, a wrist strap 42 and a forearm strap 43, which are connected at intervals to one side of the sliding ruler 12.

[0036] The sliding ruler strip 12 is slidably connected to the correction rod body 11. Specifically, the two can be connected by a slide rail or the like. By setting a thumb ring 41, the right thumb is prevented from falling directly onto the paper or table, preventing the child's hand from flipping up or hooking down, thus preventing the sliding ruler strip 12 from falling downwards. At the same time, it allows the right hand to write normally and naturally. Furthermore, the thumb ring 41, in conjunction with the wrist strap 42 and the forearm strap 43, more effectively prevents the wrist from hooking while writing, ensuring that the wrist and forearm remain in a straight line. When the right hand and arm move the thumb ring 41, wrist strap 42, and forearm strap 43 back and forth, the sliding ruler strip 12 slides back and forth along the correction rod body 11 in sync, thus allowing the right hand and arm to slide back and forth easily.

[0037] Example 3

[0038] As described in Example 2, the penmanship and posture correction device, such as Figure 1 , 2 As shown in Figure 4, the limiting member 2 includes a limiting base 21 and a turntable 22. The rear end of the correcting rod body 11 is rotatably connected to the planar side 23 of the turntable 22 in the vertical direction. A cylindrical protrusion 24 extends upward from the center of the top of the limiting base 21. A circular blind hole 25 is provided on the top of the limiting base 21. The turntable 22 is a partial disc with the planar side 23. A circular through hole 26 for passing through the outside of the cylindrical protrusion 24 is provided between the upper and lower surfaces of the turntable 22. A turntable protrusion 27 extends downward from the lower surface of the turntable 22, which is inserted into the circular blind hole 25 and can only move within the circular blind hole 25 so that the correcting rod body 11 can only rotate within a set range in the horizontal direction. A retaining groove 29 is provided on the top of the cylindrical protrusion 24 to prevent the turntable 22 from sliding upward (disengaging from the cylindrical protrusion 24).

[0039] The turntable 22 is rotatably engaged with the limiting base 21. Specifically, when connected, the turntable protrusion 27 of the turntable 22 is located within the circular blind hole 25 of the limiting base 21. When the turntable 22 rotates horizontally, the turntable protrusion 27 moves within the circular blind hole 25. When the turntable protrusion 27 reaches its maximum range of motion within the circular blind hole 25, the turntable 22 correspondingly experiences its maximum range of rotation in the horizontal direction. Simultaneously, the correction rod body 11 experiences its maximum range of motion in the horizontal direction within its movable angle range, for example, moving from 11 o'clock to 12 o'clock. Through the ingenious structure and connection between the limiting base 21 and the turntable 22, the right hand and arm can swing horizontally within a certain angle range during writing, making the writing process more free and comfortable.

[0040] Example 4

[0041] As described in Example 3, the penmanship and posture correction device, such as Figure 4 As shown, the turntable 22 has a screw hole 28 on its planar side 23, and the rear end of the correcting rod body 11 is connected by a screw ( Figure 2 (As can be seen) It is detachably connected to the screw hole 28.

[0042] Correspondingly, the rear end of the correcting rod body 11 is provided with a hole through which the screw can pass. In this way, the correcting rod body 11 and the turntable 22 (or the limiting member 2) can be easily connected. While the limiting member 2 limits the horizontal movement of the correcting rod body 11, the correcting rod body 11 can move up and down around the screw, so that the right hand and arm can move up and down smoothly.

[0043] Example 5

[0044] As described in Example 3, the penmanship and posture correction device, such as Figure 2 and 4 As shown, the fixing component 3 includes a U-shaped frame 31, a rotating screw 32, a rotating handle 33, and a top plate 34. The limiting base 21 is detachably connected to the top wall of the U-shaped frame 31 by screws. The bottom wall of the U-shaped frame 31 has a through hole for the rotating screw 32 to pass through. The rotating handle 33 is detachably connected to the bottom end of the rotating screw 32. The top plate 34 is detachably connected to the top end of the rotating screw 32 so that the desk panel is engaged between the top plate 34 and the top plate of the U-shaped frame 31.

[0045] When it is necessary to connect the fastener 3 to the desktop, rotate the rotating handle 33 to rotate the rotating screw 32 and the abutment plate 34 outward so that the space between the abutment plate 34 and the top wall of the U-shaped frame 31 is sufficient to accommodate the thickness of the desktop. Then move the fastener 3 to place the desktop panel in the area between the abutment plate 34 and the top wall of the U-shaped frame 31. Then, rotate the rotating handle 33 in the opposite direction to rotate the rotating screw 32 and the abutment plate 34 inward until the desktop panel is securely confined between the top plate 34 and the top wall of the U-shaped frame 31.

[0046] Example 6

[0047] The penmanship and posture correction device described in any one of Examples 1 to 5, such as Figure 5As shown, the penmanship and posture correction device also includes a neck and back correction device for correcting hunching and preventing myopia. The neck and back correction device includes a vertical rod 51, a horizontal rod 52, a desktop fixing member 53, a head fixing member 54, a pull rope 55, and a winding wheel 56. The desktop fixing member 53 is connected to the bottom of the vertical rod 51, the horizontal rod 52 is connected to the top of the vertical rod 51, and the horizontal rod 52 and the vertical rod 51 are hinged together. The winding wheel 56 is connected to the lower middle part of the vertical rod 51. The pull rope 55 is pulled outward and wound around the winding wheel 56, and the free end of the pull rope 55 extends downward through the horizontal rod 52 and is connected to the head fixing member 54.

[0048] Using the penmanship and posture correction device of this embodiment, the neck and back correction device can prevent or correct the curvature of the student's waist and back when writing. Specifically, first, fix the desktop fixing piece 53 to the desktop of the desk. Then, adjust the angle between the horizontal bar 52 and the vertical bar 51 so that the vertical bar 51 is above the student's head. Simultaneously, adjust the amount of rope 55 wound on the winding wheel 56 so that the head fixing piece 54 is at the same height as the student's head. At this point, the student's waist and back remain straight. Next, the student... The head is fixed to the head fixing piece 54, and the length of the pull rope 55 outside the winding wheel 56 and the angle between the horizontal rod 52 and the vertical rod 51 are adjusted again so that the pull rope 55 hangs freely. At this time, it is not under any force and has not too loose length. Once the student bends down, the pull rope 55 will immediately be pulled downward. At the same time, the pull rope 55 will give the student's head an upward force, which will correct the bending of the student's waist and back in real time. It can effectively prevent the student from bending down, correct bad posture of the neck and waist, and prevent myopia.

[0049] Example 7

[0050] As described in Example 6, the penmanship and posture correction device, such as Figure 5 and 6 As shown, the horizontal rod 52 and the vertical rod 51 are connected by a folding rod connector 57. The folding rod connector 57 includes two connecting tubes 58 that are hinged together by gears. The vertical rod 51 and the horizontal rod 52 are detachably connected to the two connecting tubes 58 respectively. A rotary valve 59 is connected to the gear for tightening or loosening the gear engagement to adjust and fix the angle between the two connecting tubes 58.

[0051] First, connect the horizontal rod 52 and the vertical rod 51 to the two connecting pipes 58 respectively. Then, when it is necessary to adjust the angle between the horizontal rod 52 and the vertical rod 51, rotate the rotary valve 59 to disengage the gear, adjust the included angle between the two connecting pipes 58, and thus adjust the angle between the horizontal rod 52 and the vertical rod 51 to the target angle. Finally, rotate the rotary valve 59 to make the gear mesh securely, and the two connecting pipes 58 are firmly connected and no longer change, thus conveniently and quickly completing the adjustment of the angle between the vertical rod 51 and the horizontal rod 52.

[0052] Example 8

[0053] As described in Example 6, the penmanship and posture correction device, such as Figure 5 As shown, the head fixing component 54 includes a top cover 61, a chin support 62, and two adjustable straps 63. The free end of the pull rope 55 is connected to the top of the top cover 61, and the two adjustable straps 63 are respectively connected between the top cover 61 and the chin support 62.

[0054] When it is necessary to secure the student's head with the head-fixing device 54, the chin support 62 is placed on the student's chin, and the top cover 61 is placed on top of the student's head. Then, the lengths of the two adjustable straps 63 are adjusted so that the chin support 62 fits snugly against the student's chin. The head-fixing device 54 described in this embodiment can be easily worn on the student's head, and when the rope 55 pulls the head upward, the force acts directly on the chin support 62 and the top cover 61, without causing excessive discomfort to the student.

[0055] Example 9

[0056] As described in Example 6, the penmanship and posture correction device, such as Figure 5 As shown, the desktop fixing component 53 includes a U-shaped plate 71, a rotating screw 72, a rotating handle 73, and a snap-fit ​​piece 74. The top wall of the U-shaped plate 71 and the bottom of the vertical rod 51 are connected by screws. The bottom wall of the U-shaped plate 71 has a through hole for passing through the rotating screw 72. The rotating handle 73 is detachably connected to the bottom end of the rotating screw 72. The snap-fit ​​piece 74 is detachably connected to the top end of the rotating screw 72 so that the desk panel is snapped between the snap-fit ​​piece 74 and the top plate of the U-shaped plate 71.

[0057] When using the neck and back correction device of this embodiment, first fix the desktop fixing member 53 to the desktop board of the student's desk. The connection and fixing method is the same as the connection and fixing method of the fixing member 3 described in Embodiment 5. The connection and disassembly are convenient and easy.

[0058] Example 10

[0059] As described in Example 6, the penmanship and posture correction device, such as Figure 7 As shown, the winding reel 56 includes a housing 81, a rotating reel 82, and a locking member 84 for locking the pull rope 55. The rotating reel 82 is rotatably connected inside the housing 81. The pull rope 55 is wound in multiple turns around the rotating reel 82. One end of the locking member 84 is located outside the housing 81 and is rotatably passed through the rotating reel 82 and the housing 81 to lock the rotating reel 82 after rotation, preventing rotation between it and the housing 81.

[0060] When it is necessary to adjust the amount of the pull rope 55 wound around the wheel 82, or in other words, to adjust the length of the pull rope 55 exposed outside the wheel 82, firstly, rotate the locking member 84 to loosen the connection between the wheel 82 and the housing 81, allowing the wheel 82 to rotate freely. Then, rotate the wheel 82 to adjust the length of the pull rope 55 exposed outside the wheel 82 to a suitable length. Finally, rotate the locking member 84 to lock the wheel 82 and the housing 81, preventing the wheel 82 from rotating further. At this time, the winding wheel 56 is in a fixed and immutable locked state. When it is necessary to adjust the length of the pull rope 55 exposed outside the wheel 82 again, the locking member 84 is rotated to loosen the connection between the wheel 82 and the housing 81, allowing the wheel 82 to rotate freely. As mentioned above, when the length of the pull rope 55 exposed outside the wheel 82 is too long, a rotating protrusion is connected to the outside of the wheel 82. Rotating the rotating protrusion causes the wheel 82 to rotate so that the excess length of the pull rope 55 is wound around the wheel 82. In this embodiment, the winding wheel 56 can conveniently and quickly adjust the length of the external pull rope 55 and can be fixed and locked, making it convenient and safe to use.

[0061] Example 11

[0062] During the summer vacation of 2020, the inventor used the penmanship and sitting posture correction device described in the above embodiments to correct the wrist-hooking posture of 20 students. Specifically, the parents were arranged to supervise the students' use of the penmanship and sitting posture correction device at home. The wrist-hooking posture of 19 students was successfully corrected, while the correction failed for 1 student because the parents did not arrange for the student to use the penmanship and sitting posture correction device on time.

[0063] Although the present invention has been described in detail above with general descriptions and specific embodiments, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A penmanship and posture correction device, characterized in that, The penmanship and sitting posture correction device includes a wrist correction device for correcting wrist hooking posture. The wrist correction device includes a correction rod (1) for keeping the wrist and forearm in a straight line, a limiting member (2), and a fixing member (3) for fixing on a table. The limiting member (2) is connected to the top of the fixing member (3) and can rotate horizontally within a limited angle range. The correction rod (1) is telescopically connected to one side of the limiting member (2) along the length direction and extends in a direction away from the limiting member (2). The wrist correction device also includes a connecting member (4) connected to one side of the correction rod (1) for fixing the wrist and forearm so that they can only move in extension or horizontal rotation by adhering to the correction rod (1). The correcting rod (1) includes a correcting rod body (11) and a sliding ruler (12) that can slide back and forth along the correcting rod body (11). The connecting member (4) includes a thumb ring (41) for limiting the thumb, a wrist strap (42) and a forearm strap (43), which are connected at intervals to one side of the sliding ruler (12). The limiting component (2) includes a limiting base (21) and a turntable (22). The rear end of the correcting rod body (11) is rotatably connected to the planar side (23) of the turntable (22) in the vertical direction. A cylindrical protrusion (24) extends upward from the center of the top of the limiting base (21). A circular blind hole (25) is provided on the top of the limiting base (21). The turntable (22) is a partial disc with the planar side (23) provided. The upper and lower surfaces of the turntable (22) A circular through hole (26) for the turntable to pass through the outer side of the cylindrical protrusion (24) is provided between the two. The lower surface of the turntable (22) extends downward to have a turntable protrusion (27) that is inserted into the circular blind hole (25) of the base and can only move within the circular blind hole (25) of the base so that the correcting rod body (11) can only rotate within a set range in the horizontal direction. The top of the cylindrical protrusion (24) is provided with a retaining spring groove (29) to prevent the turntable (22) from sliding upward. The turntable (22) has a screw hole (28) on its planar side (23), and the rear end of the correction rod body (11) is detachably connected to the screw hole (28) by a screw. The fixing component (3) includes a U-shaped frame (31), a rotating screw (32), a rotating handle (33), and a top plate (34). The limiting base (21) is detachably connected to the top wall of the U-shaped frame (31) by screws. The bottom wall of the U-shaped frame (31) has a through hole for passing through the rotating screw (32). The rotating handle (33) is detachably connected to the bottom end of the rotating screw (32). The top plate (34) is detachably connected to the top end of the rotating screw (32) so that the tabletop is snapped between the top plate (34) and the top plate of the U-shaped frame (31).

2. The penmanship and posture correction device according to claim 1, characterized in that, The penmanship and sitting posture correction device also includes a neck and back correction device for correcting hunching and bending over. The neck and back correction device includes a vertical rod (51), a horizontal rod (52), a desktop fixing member (53), a head fixing member (54), a pull rope (55), and a winding wheel (56). The desktop fixing member (53) is connected to the bottom of the vertical rod (51), the horizontal rod (52) is connected to the top of the vertical rod (51), and the horizontal rod (52) and the vertical rod (51) are hinged together. The winding wheel (56) is connected to the lower middle part of the vertical rod (51). The pull rope (55) is wound around the winding wheel (56) and can be pulled outward. The free end of the pull rope (55) extends downward through the horizontal rod (52) and is connected to the head fixing member (54).

3. The penmanship and posture correction device according to claim 2, characterized in that, The horizontal rod (52) and the vertical rod (51) are connected by a folding rod connector (57). The folding rod connector (57) includes two connecting tubes (58) that are hinged together by gears. The vertical rod (51) and the horizontal rod (52) are detachably connected to the two connecting tubes (58). A rotary valve (59) is connected to the gear for tightening or loosening the gear engagement to adjust and fix the angle between the two connecting tubes (58).

4. The penmanship and posture correction device according to claim 2, characterized in that, The head fastener (54) includes a top cover (61), a chin pocket (62), and two adjustable straps (63). The free end of the pull cord (55) is connected to the top of the top cover (61), and the two adjustable straps (63) are respectively connected between the top cover (61) and the chin pocket (62).

5. The penmanship and posture correction device according to claim 2, characterized in that, The desktop fixing component (53) includes a U-shaped plate (71), a rotating screw (72), a rotating handle (73), and a snap-fit ​​piece (74). The top wall of the U-shaped plate (71) and the bottom of the vertical rod (51) are connected by screws. The bottom wall of the U-shaped plate (71) has a through hole for passing through the rotating screw (72). The rotating handle (73) is detachably connected to the bottom end of the rotating screw (72). The snap-fit ​​piece (74) is detachably connected to the top end of the rotating screw (72) so that the tabletop is snapped between the snap-fit ​​piece (74) and the top plate of the U-shaped plate (71).

6. The penmanship and posture correction device according to claim 2, characterized in that, The winding reel (56) includes a housing (81), a reel (82), and a locking member (84) for locking the pull rope (55). The reel (82) is rotatably connected inside the housing (81). The pull rope (55) is wound in multiple turns around the reel (82). One end of the locking member (84) is located outside the housing (81) and is rotatably passed through the reel (82) and the housing (81) to lock the reel (82) after rotation so that it cannot rotate with the housing (81).

Images