阅读说明：本技术 一种设有书写姿势校正功能的数码笔及握姿检测方法 (Digital pen with writing posture correction function and holding posture detection method ) 是由 连伟健 陈燕遂 陈燕霞 于 2021-07-11 设计创作，主要内容包括：本发明公开了一种设有书写姿势校正功能的数码笔及握姿检测方法,涉及数码笔技术领域,具体为一种设有书写姿势校正功能的数码笔及握姿检测方法,包括笔杆、限位夹持机构、笔芯和辅助拆装机构,所述笔杆内设有限位夹持机构和线路板,所述限位夹持机构内插入有笔芯,所述线路板的一侧面设有与线路板垂直设置的支柱,以及通过螺栓固定在笔杆内壁的摄像头,所述线路板的另一侧面设有芯片、红外距离传感器、压力传感器和数据对比模块,以及通过螺栓固定在笔杆内壁的语音播报器,所述线路板上设有辅助拆装机构和电池。本发明设置的支柱的C字形开槽能够有效的为线束提供排线位置,以及避免线束相互缠绕,而橡胶垫能够有效的减轻线束受到的磨损。(The invention discloses a digital pen with a writing posture correcting function and a holding posture detecting method, and relates to the technical field of digital pens, in particular to a digital pen with a writing posture correcting function and a holding posture detecting method. The C-shaped groove of the support column can effectively provide a wire arranging position for the wire harness, the wire harness is prevented from being wound, and the rubber pad can effectively reduce the abrasion of the wire harness.)

1. The utility model provides a digital pen with writing posture correction function, includes pen-holder (1), spacing fixture (2), refill (3) and supplementary dismouting mechanism (5), its characterized in that: be equipped with spacing fixture (2) and circuit board (4) in pen-holder (1), refill (3) have been inserted in spacing fixture (2), a side of circuit board (4) is equipped with pillar (6) that set up perpendicularly with circuit board (4) to and fix camera (8) at pen-holder (1) inner wall through the bolt, the another side of circuit board (4) is equipped with chip (12), infrared distance sensor (13), pressure sensor (14) and data contrast module (15), and fixes voice broadcast ware (9) at pen-holder (1) inner wall through the bolt, be equipped with supplementary dismouting mechanism (5) and battery (11) on circuit board (4), be equipped with warning light (10) on pen-holder (1).

2. The digital pen with writing posture correction function according to claim 1, wherein: the limiting and clamping mechanism (2) comprises an inner groove frame (201), pressing blocks (202), supporting rods (203), limiting springs (204), limiting pin shafts (205), pull rods (206), guide grooves (207), guide blocks (208), fixing rods (209), a connecting frame (210), a guide frame (211), fixing blocks (212), connecting springs (213), an arch rod (214), a push block (215), return springs (216), return pin shafts (217), through grooves (218) and push rods (219), wherein the inner wall of the inner groove frame (201) is provided with the pressing grooves and the guide grooves (207) which are symmetrically distributed about the axis of the inner groove frame (201), the pressing blocks (202) which are matched with the pressing grooves in size and are in one-to-one correspondence, and the guide blocks (208) which are partially matched with the guide grooves (207) in size and are in one-to-one correspondence, the supporting rods (203) are arranged on the pressing blocks (202), and the pull rods (206) are arranged on the guide blocks (208), one end of the support rod (203) is fixed on the pressing block (202), connecting pins penetrate through two ends of the pull rod (206), and the support rod (203) is connected with the guide block (208) through the matching of the pull rod (206) and the two connecting pins.

3. The digital pen with writing posture correction function according to claim 2, wherein: a limiting spring (204) penetrates through the joint of the supporting rod (203) and the inner groove frame (201), a limiting pin shaft (205) penetrates through the limiting spring (204), and the supporting rod (203) is movably connected to the inner groove frame (201) through the matching of the limiting spring (204) and the limiting pin shaft (205).

4. The digital pen with writing posture correction function according to claim 2, wherein: still be equipped with dead lever (209) with guide block (208) one-to-one on guide block (208), the one end of dead lever (209) is fixed on guide block (208), the other end of dead lever (209) is equipped with linking frame (210), be equipped with fixed block (212) in linking frame (210), be equipped with connecting spring (213) in fixed block (212), the one end and the leading frame (211) fixed connection of connecting spring (213), the other end of connecting spring (213) is equipped with fixed block (212), fixed block (212) integral type is fixed on linking frame (210), be equipped with on fixed block (212) with fixed block (212) integral type fixed hemispherical arch.

5. The digital pen with writing posture correction function according to claim 4, wherein: be equipped with bow pole (214) on linking frame (210), the one end of bow pole (214) is equipped with ejector pad (215) fixed with bow pole (214) integral type to and the side of ejector pad (215) is slope column structure, the other end of bow pole (214) is equipped with logical groove (218), wear to be equipped with push rod (219) in leading to groove (218).

6. The digital pen with writing posture correction function according to claim 5, wherein: the fixed axle wears to be equipped with in the other end of bow pole (214) and the junction of push rod (219), return spring (216) wear to be equipped with in the junction of bow pole (214) and penholder (1), wear to be equipped with return round pin axle (217) in return spring (216), bow pole (214) are through the cooperation swing joint of return spring (216) and return round pin axle (217) at the inner wall of penholder (1).

7. The digital pen with writing posture correction function according to claim 1, wherein: supplementary dismouting mechanism (5) are including inserted bar (501), location spring (502), location round pin axle (503), ejector pad (504) and spout (505), the outer wall of circuit board (4) is inserted to the one end of inserted bar (501), the other end of inserted bar (501) is equipped with ejector pad (504), spout (505) have been seted up with the junction of pen-holder (1) to ejector pad (504), wear to be equipped with location spring (502) in inserted bar (501), wear to be equipped with location round pin axle (503) in location spring (502), inserted bar (501) is through the cooperation swing joint of location round pin axle (503) and ejector pad (504) at the inner wall of pen-holder (1).

8. The digital pen with writing posture correction function according to claim 1, wherein: the axial of pillar (6) is seted up C font fluting, be equipped with rubber pad (7) in the fluting.

9. The digital pen with writing posture correction function according to claim 1, wherein: the input of chip (12) is electrically connected with camera (8), infrared distance sensor (13) and pressure sensor (14) respectively, the output of chip (12) is electrically connected with storage module and data contrast module (15) respectively, the output electricity of data contrast module (15) is connected with voice broadcast ware (9) and warning light (10).

10. The digital pen with writing posture correction function and the holding posture detection method according to any one of claims 1 to 9, wherein the holding posture detection method of the digital pen with writing posture correction function comprises the following steps:

s1, pushing the push block (504) to move upwards along the central axis of the sliding groove (505), so that the push block (504) pushes one end of the insert rod (501), pushes the other end of the insert rod (501) to be far away from the circuit board (4), and inserts the circuit board (4) into the penholder (1);

s2, rotating the inserting rod (501) along the outside of the positioning pin shaft (503) through the positioning spring (502), inserting one end of the inserting rod (501) into the outer wall of the circuit board (4), connecting the circuit board (4) with the pen holder (1) through the auxiliary dismounting mechanism (5), and limiting the position of the circuit board (4);

s3, pressing force can be applied to the push rod (219), so that the push rod (219) applies the pressing force to the bow rod (214) through the fixed shaft, the bow rod (214) rotates along the outer part of the return pin shaft (217), and the push block (215) is synchronously driven to be far away from the guide frame (211);

s4, the fixing block (212) can be effectively pushed to move upwards along the vertical center line of the guide frame (211) through the connecting spring (213), the connecting frame (210) and the fixing block (212) can move synchronously, and pulling force is applied to the guide block (208), so that the guide block (208) applies pulling force to the support rod (203), the support rod (203) rotates along the outer part of the limiting pin shaft (205), and the groove frame (201) in the pressing block (202) at the end part of the support rod (203) is formed;

s5, inserting the refill (3) into the inner groove frame (201), rotating the bow rod (214) along the outer part of the return pin shaft (217) through a return spring (216), restoring the push block (215) to the initial state, inserting the push block (215) into the guide frame (211), acting the inclined surface of the push block (215) on the protrusion of the fixed block (212), enabling the push block (215) to push the fixed block (212) to move downwards along the central axis direction of the guide frame (211), enabling the support rod (203) to rotate along the outer part of the limit pin shaft (205) through the limit spring (204), restoring the pressing block (202) to the initial state, and enabling the two pressing blocks (202) to apply clamping force to the refill (3);

s6, infrared distance sensor (13) detect the distance of user distance and pen-holder (1), pressure sensor (14) detect the pressure intensity that the user clewed and hold pen-holder (1), user' S the posture of writing and the orbit of writing are shot to camera (8), and can be with camera (8), information transmission to chip (12) that infrared distance sensor (13) and pressure sensor (14) gathered, and store the detection information through the storage module, and will detect data and standard information contrast through data contrast module (15), if surpass and predetermine the detection standard, warning light (10) then light, and report through voice broadcast ware (9) and correctly write the information.

Technical Field

The invention relates to the technical field of digital pens, in particular to a digital pen with a writing posture correction function and a holding posture detection method.

Background

The digital pen is a novel input device adopting an ultrasonic tracking and positioning technology, and can write and draw on any computer screen, A4 paper and the like. The pen can be used for writing on paper completely according to natural habits, writing handwriting is left on paper and a computer at the same time during writing, and the pen can also be used for directly writing and operating the computer on a PC or notebook computer screen by adopting an anhydrous plastic pen core, so that the common computer is changed into a handwriting computer.

The existing digital pen has single functionality in the using process, the refill is not convenient to replace, and the poor pen holding posture easily causes the defect that a user develops poor writing habits.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a digital pen with a writing posture correction function and a holding posture detection method, and solves the problems that the prior digital pen has single functionality and is inconvenient to replace a pen core in the using process, and the poor writing posture easily causes the poor writing habit of a user in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a digital pen with writing posture correction function and a holding posture detection method comprise a pen holder, a limiting clamping mechanism, a pen core and an auxiliary disassembling and assembling mechanism, wherein the limiting clamping mechanism and a circuit board are arranged in the pen holder, the pen core is inserted into the limiting clamping mechanism, a supporting column perpendicular to the circuit board is arranged on one side face of the circuit board, a camera fixed to the inner wall of the pen holder through a bolt is arranged on the other side face of the circuit board, a chip, an infrared distance sensor, a pressure sensor and a data comparison module are arranged on the other side face of the circuit board, a voice broadcasting device fixed to the inner wall of the pen holder through the bolt is arranged on the circuit board, the auxiliary disassembling and assembling mechanism and a battery are arranged on the circuit board, and a prompt lamp is arranged on the pen holder.

Optionally, the limiting clamping mechanism comprises an inner groove frame, a pressing block, a support rod, a limiting spring, a limiting pin shaft, a pull rod, a guide groove, a guide block, a fixing rod, a connecting frame, a guide frame, a fixing block, a connecting spring, a bow rod, a push block, a return spring, a return pin shaft, a through groove and a push rod, wherein the pressing groove and the guide groove are symmetrically distributed on the inner wall of the inner groove frame, the pressing block is matched with the pressing groove in size and in one-to-one correspondence, the guide block is matched with the guide groove in size and in part in one-to-one correspondence, the support rod is arranged on the pressing block, the pull rod is arranged on the guide block, one end of the support rod is fixed on the pressing block, the connecting pins are arranged at two ends of the pull rod in a penetrating mode, and the support rod is connected with the guide block through matching of the pull rod and the two connecting pins.

Optionally, a limiting spring is arranged at the joint of the supporting rod and the inner slot frame in a penetrating manner, a limiting pin shaft is arranged in the limiting spring in a penetrating manner, and the supporting rod is movably connected to the inner slot frame through the matching of the limiting spring and the limiting pin shaft.

Optionally, still be equipped with the dead lever with the guide block one-to-one on the guide block, the one end of dead lever is fixed on the guide block, the other end of dead lever is equipped with linking frame, be equipped with the fixed block in the linking frame, be equipped with coupling spring in the fixed block, coupling spring's one end and guide frame fixed connection, coupling spring's the other end is equipped with the fixed block, the fixed block integral type is fixed on linking frame, be equipped with the hemispherical arch fixed with the fixed block integral type on the fixed block.

Optionally, a bow rod is arranged on the connecting frame, a push block fixed with the bow rod in an integrated manner is arranged at one end of the bow rod, the side face of the push block is of an inclined structure, a through groove is formed in the other end of the bow rod, and a push rod penetrates through the through groove.

Optionally, a fixed shaft is arranged at the joint of the other end of the bow rod and the push rod in a penetrating mode, a return spring is arranged at the joint of the bow rod and the pen rod in a penetrating mode, a return pin shaft is arranged in the return spring in a penetrating mode, and the bow rod is movably connected to the inner wall of the pen rod through the matching of the return spring and the return pin shaft.

Optionally, supplementary dismouting mechanism includes inserted bar, location spring, locating pin axle, ejector pad and spout, the outer wall of circuit board is inserted to the one end of inserted bar, the other end of inserted bar is equipped with the ejector pad, the spout has been seted up to the junction of ejector pad and penholder, wear to be equipped with the location spring in the inserted bar, wear to be equipped with the locating pin axle in the location spring, the inserted bar passes through the inner wall of locating pin axle and ejector pad's cooperation swing joint at the penholder.

Optionally, a C-shaped groove is formed in the axial direction of the pillar, and a rubber pad is arranged in the groove.

Optionally, the input of chip is electrically connected with camera, infrared distance sensor and pressure sensor respectively, the output of chip is electrically connected with storage module and data contrast module respectively, the output electricity of data contrast module is connected with voice broadcast ware and warning light.

Optionally, the holding posture detection method for the digital pen with the writing posture correction function includes the following steps:

s1, pushing the push block to move upwards along the central axis of the sliding groove, so that the push block pushes one end of the insertion rod, pushes the other end of the insertion rod to be far away from the circuit board, and inserts the circuit board into the pen holder;

s2, rotating the inserted bar along the outside of the positioning pin shaft through the positioning spring, inserting one end of the inserted bar into the outer wall of the circuit board, connecting the circuit board with the pen holder through the auxiliary dismounting mechanism, and limiting the position of the circuit board;

s3, pressing force can be applied to the push rod, so that the push rod applies the pressing force to the bow rod through the fixed shaft, the bow rod rotates along the outside of the return pin shaft, and the push block is synchronously driven to be far away from the guide frame;

s4, the fixing block can be effectively pushed to move upwards along the vertical central line of the guide frame through the connecting spring, the connecting frame and the fixing block can move synchronously, and pulling force is applied to the guide block, so that the guide block applies pulling force to the support rod, the support rod rotates along the outer part of the limiting pin shaft, and the inner groove frame of the pressing block at the end part of the support rod is arranged;

s5, inserting the refill into the inner groove frame, rotating the bow rod along the outer part of the return pin shaft through a return spring, restoring the push block to the initial state, inserting the push block into the guide frame, acting the inclined surface of the push block on the protrusion of the fixed block, enabling the push block to push the fixed block to move downwards along the central axis direction of the guide frame, rotating the support rod along the outer part of the limit pin shaft through a limit spring, restoring the compression block to the initial state, and enabling the two compression blocks to apply clamping force to the refill;

s6, infrared distance sensor detects the distance of user 'S distance and pen-holder, pressure sensor detects the pressure intensity that the user clewed the pen-holder, user' S writing posture and writing the orbit are shot to the camera, and can be with the camera, the information transmission that infrared distance sensor and pressure sensor gathered to the chip, and store the detection information through storage module, and will detect data and standard information contrast through the data contrast module, if surpass and predetermine the detection standard, the warning light then lights, and report through the voice broadcast ware and correctly write the information.

The invention provides a digital pen with a writing posture correction function and a holding posture detection method, and the digital pen has the following beneficial effects:

1. the digital pen with the writing posture correcting function and the holding posture detecting method are provided with the limiting clamping mechanism, the guide groove can effectively control the moving track and range of the guide block, the guide block can move along the vertical central line direction of the guide groove, the guide block is connected with the support rod through the matching of the pull rod and the two connecting pins, the pulling force can be applied to the support rod, the support rod can rotate along the outside of the limiting pin shaft, the pressing block at the end part of the support rod is far away from the refill, and the refill is convenient to detach; the bow rod is rotated along the outside of the return pin shaft through the return spring, the push block is restored to the initial state, the push block is inserted into the guide frame, the inclined surface of the push block acts on the protrusion of the fixed block, the push block pushes the fixed block to move downwards along the central axis direction of the guide frame, the supporting rod can be rotated along the outside of the limit pin shaft through the limit spring, the pressing blocks are restored to the initial state, the two pressing blocks apply clamping force to the pen core, and therefore the position of the pen core can be effectively limited; the push rod applies pressure to the bow rod through the fixed shaft, the bow rod rotates along the outside of the return pin shaft, the push block is synchronously driven to be far away from the guide frame, the fixed block can be effectively pushed to move upwards along the vertical central line of the guide frame through the connecting spring, the fixed block is fixedly connected with the connecting frame, the connecting frame and the fixed block can be synchronously moved, and the connecting frame is fixedly connected with the guide block through the fixed rod, so that pulling force can be applied to the guide block.

2. The digital pen with the writing posture correction function and the holding posture detection method are provided with the auxiliary disassembling and assembling mechanism, the insertion rod is rotated along the outside of the positioning pin shaft through the positioning spring, one end of the insertion rod is inserted into the outer wall of the circuit board, the circuit board is connected with the pen holder through the auxiliary disassembling and assembling mechanism, the position of the circuit board is limited, the push block is pushed to move upwards along the central axis of the sliding groove, the push block is pushed to push one end of the insertion rod, the other end of the insertion rod is pushed to be far away from the circuit board, and the circuit board is convenient to disassemble.

3. The digital pen with the writing posture correcting function and the holding posture detecting method are provided with the C-shaped grooves of the support columns, so that the wiring positions can be effectively provided for the wiring harnesses, the wiring harnesses are prevented from being wound, and the rubber pads can effectively reduce the abrasion of the wiring harnesses.

4. This digital pen with write gesture correction function and hold gesture detection method and set up infrared distance sensor is used for detecting the distance of user's distance and pen-holder, pressure sensor is used for detecting the pressure intensity that the user clewed and holds the pen-holder, the camera is used for shooting user's the gesture of writing and writes the orbit, and can be with the camera, the information transmission to the chip that infrared distance sensor and pressure sensor gathered, and store the detection information through storage module, and will detect data and standard information contrast through data contrast module, if surpass and predetermine the detection standard, the warning light then lights, and report through the voice broadcast ware and correctly write the information.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is a schematic diagram of a system circuit structure according to the present invention.

In the figure: 1. a pen holder; 2. a limiting and clamping mechanism; 201. an inner trough rack; 202. a compression block; 203. a strut; 204. a limiting spring; 205. a limiting pin shaft; 206. a pull rod; 207. a guide groove; 208. a guide block; 209. fixing the rod; 210. a connecting frame; 211. a guide frame; 212. a fixed block; 213. a connecting spring; 214. a bow rod; 215. a push block; 216. a return spring; 217. a pin shaft is returned; 218. a through groove; 219. a push rod; 3. a pen core; 4. a circuit board; 5. an auxiliary disassembly and assembly mechanism; 501. inserting a rod; 502. a positioning spring; 503. positioning a pin shaft; 504. a push block; 505. a chute; 6. a pillar; 7. a rubber pad; 8. a camera; 9. a voice broadcaster; 10. a warning light; 11. a battery; 12. a chip; 13. an infrared distance sensor; 14. a pressure sensor; 15. and a data comparison module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides a technical solution: a digital pen with a writing posture correction function and a holding posture detection method comprise a pen holder 1, a limiting clamping mechanism 2, a pen core 3 and an auxiliary disassembling and assembling mechanism 5, wherein the limiting clamping mechanism 2 and a circuit board 4 are arranged in the pen holder 1, the pen core 3 is inserted into the limiting clamping mechanism 2, a support column 6 perpendicular to the circuit board 4 is arranged on one side face of the circuit board 4, a camera 8 fixed on the inner wall of the pen holder 1 through a bolt is arranged, a chip 12 is arranged on the other side face of the circuit board 4, an infrared distance sensor 13, a pressure sensor 14 and a data comparison module 15 are arranged on the other side face of the circuit board 4, a voice broadcast device 9 fixed on the inner wall of the pen holder 1 through a bolt is arranged, the auxiliary disassembling and assembling mechanism 5 and a battery 11 are arranged on the circuit board 4, and a prompt lamp 10 is arranged on the pen holder 1.

In the invention: the limiting and clamping mechanism 2 comprises an inner groove frame 201, a pressing block 202, a support rod 203, a limiting spring 204, a limiting pin shaft 205, a pull rod 206, a guide groove 207, a guide block 208, a fixing rod 209, a connecting frame 210, a guide frame 211, a fixing block 212, a connecting spring 213, an arch rod 214, a push block 215, a return spring 216, a return pin shaft 217, a through groove 218 and a push rod 219, wherein the inner wall of the inner groove frame 201 is provided with the pressing groove and the guide groove 207 which are symmetrically distributed about the axis of the inner groove frame 201, the pressing block 202 which is matched with the pressing groove in size and corresponds to the pressing groove one by one, the guide block 208 which is partially matched with the guide groove 207 in size and corresponds to one by one, the support rod 203 is arranged on the pressing block 202, the pull rod 206 is arranged on the guide block 208, one end of the support rod 203 is fixed on the pressing block 202, connecting pins are arranged at two ends of the pull rod 206, the support rod 203 is connected with the guide block 208 through the matching of the pull rod 206 and the two connecting pins, the guide groove 207 can effectively control the moving track and range of the guide block 208, the guide block 208 can move along the vertical central line direction of the guide groove 207, the guide block 208 is connected with the support rod 203 through the matching of the pull rod 206 and the two connecting pins, the pulling force can be applied to the support rod 203, the support rod 203 is enabled to rotate along the outer portion of the limiting pin shaft 205, the pressing block 202 at the end portion of the support rod 203 is far away from the refill 3, and the refill 3 can be conveniently detached.

In the invention: a limit spring 204 is arranged at the joint of the support rod 203 and the inner groove frame 201 in a penetrating manner, a limit pin shaft 205 is arranged in the limit spring 204 in a penetrating manner, the support rod 203 is movably connected to the inner groove frame 201 through the matching of the limit spring 204 and the limit pin shaft 205, the bow rod 214 is rotated along the outside of the return pin shaft 217 through the return spring 216, the push block 215 is restored to the initial state, the push block 215 is inserted into the guide frame 211, the inclined surface of the push block 215 acts on the protrusion of the fixed block 212, the push block 215 pushes the fixed block 212 to move downwards along the central axis direction of the guide frame 211, the support rod 203 can be rotated along the outside of the limit pin shaft 205 through the limit spring 204, the pressing block 202 is restored to the initial state, the clamping force is applied to the refill 3 by the two pressing blocks 202, and the position of the refill 3 can be effectively limited.

In the invention: the guide block 208 is also provided with fixing rods 209 which are in one-to-one correspondence with the guide block 208, one end of each fixing rod 209 is fixed on the guide block 208, the other end of each fixing rod 209 is provided with a connecting frame 210, a fixing block 212 is arranged in each connecting frame 210, a connecting spring 213 is arranged in each fixing block 212, one end of each connecting spring 213 is fixedly connected with the guide frame 211, the other end of each connecting spring 213 is provided with the fixing block 212, the fixing blocks 212 are integrally fixed on the connecting frames 210, hemispherical protrusions which are integrally fixed with the fixing blocks 212 are arranged on the fixing blocks 212, pressing force can be applied to the push rod 219, the push rod 219 applies pressure to the bow rod 214 through the fixing shafts, the bow rod 214 rotates along the outside of the return pin shaft 217, the push block 215 is synchronously driven to be far away from the guide frame 211, and at the moment, the fixing blocks 212 can be effectively pushed to move upwards along the vertical central line of the guide frames 211 through the connecting springs 213, the fixing block 212 is fixedly connected with the connection frame 210, the connection frame 210 and the fixing block 212 can be synchronously moved, and the connection frame 210 is fixedly connected with the guide block 208 through the fixing rod 209, and the pulling force can be applied to the guide block 208.

In the invention: the connecting frame 210 is provided with a bow rod 214, one end of the bow rod 214 is provided with a push block 215 fixed with the bow rod 214 in an integrated manner, the side surface of the push block 215 is in an inclined structure, the other end of the bow rod 214 is provided with a through groove 218, and a push rod 219 penetrates through the through groove 218.

In the invention: a fixed shaft is arranged at the joint of the other end of the bow rod 214 and the push rod 219 in a penetrating manner, a return spring 216 is arranged at the joint of the bow rod 214 and the pen holder 1 in a penetrating manner, a return pin shaft 217 is arranged in the return spring 216 in a penetrating manner, and the bow rod 214 is movably connected to the inner wall of the pen holder 1 through the matching of the return spring 216 and the return pin shaft 217.

In the invention: the auxiliary disassembling and assembling mechanism 5 comprises an inserting rod 501, a positioning spring 502, a positioning pin 503, a push block 504 and a sliding groove 505, one end of the inserting rod 501 is inserted into the outer wall of the circuit board 4, the other end of the inserting rod 501 is provided with the push block 504, the sliding groove 505 is arranged at the joint of the push block 504 and the pen holder 1, the positioning spring 502 is arranged in the inserting rod 501 in a penetrating way, the positioning pin 503 is arranged in the positioning spring 502 in a penetrating way, the inserting rod 501 is movably connected to the inner wall of the pen holder 1 through the matching of the positioning pin 503 and the push block 504, the inserting rod 501 is rotated along the outer part of the positioning pin 503 through the positioning spring 502, one end of the inserting rod 501 is inserted into the outer wall of the circuit board 4, the circuit board 4 is connected with the pen holder 1 through the auxiliary disassembling and assembling mechanism 5, so as to limit the position of the circuit board 4, the push block 504 is pushed to move upwards along the central axis of the sliding groove 505, so that the push block 504 pushes one end of the inserting rod 501 and the other end of the inserting rod 501 is far away from the circuit board 4, the circuit board 4 is convenient to remove.

In the invention: the C font fluting has been seted up in the axial of pillar 6, is equipped with rubber pad 7 in the fluting, and the C font fluting of pillar 6 can effectually provide the winding displacement position for the pencil to and avoid pencil intertwine, and rubber pad 7 can effectually alleviate the wearing and tearing that the pencil received.

In the invention: the input end of the chip 12 is electrically connected with the camera 8, the infrared distance sensor 13 and the pressure sensor 14, the output end of the chip 12 is electrically connected with the storage module and the data comparison module 15, the output end of the data comparison module 15 is electrically connected with the voice broadcaster 9 and the cue light 10, the infrared distance sensor 13 is used for detecting the distance between the user and the pen holder 1, the pressure sensor 14 is used for detecting the pressure intensity of the user grasping the pen holder 1, the camera 8 is used for shooting the writing gesture and the writing track of the user, and can transmit the information collected by the camera 8, the infrared distance sensor 13 and the pressure sensor 14 to the chip 12, and store the detection information through the storage module, and will detect data and standard information contrast through data contrast module 15, if surpass and predetermine the detection standard, warning light 10 then lights to and report through voice broadcast ware 9 and correctly write the information.

In the invention: the holding posture detection method of the digital pen with the writing posture correction function comprises the following steps:

s1, pushing the pushing block 504 to move upward along the central axis of the sliding slot 505, so that the pushing block 504 pushes one end of the inserting rod 501, pushes the other end of the inserting rod 501 away from the circuit board 4, and inserts the circuit board 4 into the pen holder 1;

s2, rotating the inserting rod 501 along the outside of the positioning pin shaft 503 through the positioning spring 502, inserting one end of the inserting rod 501 into the outer wall of the circuit board 4, connecting the circuit board 4 with the pen holder 1 through the auxiliary dismounting mechanism 5, and limiting the position of the circuit board 4;

s3, a pressing force can be applied to the push rod 219, so that the push rod 219 applies a pressing force to the bow rod 214 through the fixed shaft, the bow rod 214 rotates along the outside of the return pin 217, and the push block 215 is synchronously driven to move away from the guide frame 211;

s4, the fixing block 212 can be effectively pushed to move upwards along the vertical center line of the guide frame 211 through the connecting spring 213, the connecting frame 210 and the fixing block 212 can move synchronously, and pulling force is applied to the guide block 208, so that the guide block 208 applies pulling force to the support rod 203, the support rod 203 rotates along the outer part of the limiting pin shaft 205, and the groove frame 201 is formed in the pressing block 202 at the end part of the support rod 203;

s5, inserting the refill 3 into the inner slot frame 201, rotating the bow rod 214 along the outside of the return pin 217 by the return spring 216, and returning the push block 215 to the initial state, so that the push block 215 is inserted into the guide frame 211, and acting the inclined surface of the push block 215 on the protrusion of the fixed block 212, so that the push block 215 pushes the fixed block 212 to move downward along the central axis direction of the guide frame 211, and the support rod 203 can be rotated along the outside of the limit pin 205 by the limit spring 204, and returning the pressing blocks 202 to the initial state, so that the two pressing blocks 202 apply the clamping force to the refill 3;

s6, infrared distance sensor 13 detects the distance of user distance and pen-holder 1, pressure sensor 14 detects the pressure intensity that the user clewed and holds pen-holder 1, user' S the posture of writing and the orbit of writing are shot to camera 8, and can be with camera 8, information transmission to chip 12 that infrared distance sensor 13 and pressure sensor 14 gathered, and store the detection information through the storage module, and will detect data and standard information contrast through data contrast module 15, if surpass and predetermine the detection standard, warning light 10 then lights, and report through voice broadcast ware 9 and correctly write the information.

In summary, when the digital pen with the writing posture correction function and the holding posture detection method are used, firstly, the push block 504 is pushed to move upwards along the central axis of the sliding groove 505, so that the push block 504 pushes one end of the insertion rod 501, the other end of the insertion rod 501 is pushed to be away from the circuit board 4, the circuit board 4 is inserted into the pen holder 1, then, the insertion rod 501 is rotated along the outside of the positioning pin shaft 503 through the positioning spring 502, one end of the insertion rod 501 is inserted into the outer wall of the circuit board 4, the circuit board 4 is connected with the pen holder 1 through the auxiliary dismounting mechanism 5, and the position of the circuit board 4 is limited;

secondly, pressing force can be applied to the push rod 219, so that the push rod 219 applies pressure to the bow rod 214 through the fixed shaft, the bow rod 214 rotates along the outside of the return pin shaft 217, the push block 215 is synchronously driven to be far away from the guide frame 211, then, the fixed block 212 can be effectively pushed to move upwards along the vertical central line of the guide frame 211 through the connecting spring 213, the connecting frame 210 and the fixed block 212 can synchronously move, pulling force is applied to the guide block 208, the guide block 208 applies pulling force to the support rod 203, the support rod 203 rotates along the outside of the limit pin shaft 205, and the pressing block 202 at the end part of the support rod 203 is internally provided with the groove frame 201;

then, the pen core 3 is inserted into the inner groove frame 201, the bow rod 214 is rotated along the outside of the return pin shaft 217 by the return spring 216, the push block 215 is restored to the initial state, the push block 215 is inserted into the guide frame 211, the inclined surface of the push block 215 is applied to the protrusion of the fixed block 212, the push block 215 pushes the fixed block 212 to move downward along the central axis direction of the guide frame 211, the support rod 203 is rotated along the outside of the limit pin shaft 205 by the limit spring 204, and the pressing block 202 is restored to the initial state, so that the two pressing blocks 202 apply the clamping force to the pen core 3, then, the infrared distance sensor 13 detects the distance from the user to the pen barrel 1, the pressure sensor 14 detects the pressure intensity of the user gripping the pen barrel 1, the camera 8 photographs the writing posture and writing trajectory of the user, and the information collected by the camera 8, the infrared distance sensor 13 and the pressure sensor 14 can be transmitted to the chip 12, and store the detection information through storage module to and compare the detection data with standard information through data contrast module 15, if surpass and predetermine the detection standard, warning light 10 then lights, and report through voice broadcast ware 9 and correctly write the information.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.