CN114027994B - 5G myopia prevention and control system with monitoring and early warning functions - Google Patents
5G myopia prevention and control system with monitoring and early warning functions Download PDFInfo
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- CN114027994B CN114027994B CN202111343673.3A CN202111343673A CN114027994B CN 114027994 B CN114027994 B CN 114027994B CN 202111343673 A CN202111343673 A CN 202111343673A CN 114027994 B CN114027994 B CN 114027994B
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- fixed mounting
- rod
- supporting seat
- groove
- myopia prevention
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- 208000001491 myopia Diseases 0.000 title claims abstract description 27
- 230000004379 myopia Effects 0.000 title claims abstract description 27
- 230000002265 prevention Effects 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims description 21
- 230000000474 nursing effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 208000003464 asthenopia Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
Abstract
The invention relates to the technical field of myopia prevention and control, and discloses a myopia prevention and control device which comprises a supporting seat, a storage box, a fixing pin, a light-feeding instrument, a rectangular frame, a touch screen and an end cover. According to the invention, the rotary rod can be extruded through the rotation of the light-feeding instrument, so that the movable rod moves to drive the rack to move, and then the gear is driven to rotate, the touch screen is turned over, meanwhile, the slide block can be moved to extrude the inclined block, and then the limit rod is driven to move into the limit groove, the positions of the cylindrical rod and the light-feeding instrument are clamped and fixed, and the movable rod can be pulled reversely through the design of the square frame and the spring I, so that the touch screen is driven to rotate and reset.
Description
Technical Field
The invention relates to the technical field of myopia prevention and control, in particular to a 5G myopia prevention and control system with a monitoring and early warning function.
Background
The existing myopia prevention and control means mainly relieve visual fatigue, lack of importance for severe vision with light pollution, and the visual fatigue is generated in the process of using eyes and is closely related to visual environment, so that a scientific and healthy method is adopted to improve the influence of light pollution on eyes, the myopia prevention and control means is an effective method for relieving visual fatigue, preventing and controlling myopia, and eye fatigue can be effectively linked by using a light-feeding instrument, so that myopia prevention and control can be realized.
The myopia prevention and control system used at present has certain defects, and the short-term light-feeding instrument is convenient to store and protect, so that the light-feeding instrument and the touch screen can be exposed when not used, and the light-feeding instrument and the touch screen are easy to damage, therefore, the 5G myopia prevention and control system with the monitoring and early warning functions is very necessary.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a 5G myopia prevention and control system with a monitoring and early warning function, which mainly solves the problem that a light-feeding instrument and a touch screen are exposed when not in use and are easy to damage.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a 5G myopia prevention and control system with monitoring early warning function, includes supporting seat, receiver, fixed pin, foster light appearance, rectangular frame, touch-sensitive screen and end cover, supporting seat left end fixed mounting has the receiver, the inside rotation of supporting seat installs the cylinder pole, and fixedly mounted has foster light appearance on the annular side of cylinder pole, receiver left end fixed mounting has the rectangular frame, and rectangular frame inside rotation installs the touch-sensitive screen, supporting seat top slidable mounting has the end cover, two U type pieces of receiver internal symmetry fixed mounting, and U type piece internal rotation installs the dwang, dwang right-hand member fixed mounting has the depression bar, two bracing pieces of receiver internal symmetry fixed mounting, and bracing piece other end fixed mounting has the fixed frame, fixed frame internal sliding mounting has the dwang, and the dwang bottom is laminated with dwang top upside, fixed mounting has square frame in the outside, and square frame bottom fixed mounting has a spring one, a bottom fixed mounting has the touch-sensitive screen, touch-sensitive screen left end slidable mounting has the end cover, and the inside rotation rack fixed mounting has two annular gear pins, and rotates annular gear one end fixed mounting and rotates the annular gear.
Further, the T-shaped block is fixedly mounted at the top end of the supporting seat, the T-shaped groove is formed in the bottom end of the end cover, the T-shaped block is slidably mounted in the T-shaped groove, and the magnetic block is fixedly mounted on the right wall in the T-shaped groove.
Further, the through hole is formed in the front end of the light feeding instrument, a cylindrical rod is fixedly installed in the through hole, a bearing is fixedly installed on the annular side face of the cylindrical rod, the outer side of the bearing is fixedly installed inside the supporting seat, a torsion spring is fixedly installed on the annular side face of the cylindrical rod, and the outer side of the torsion spring is fixed inside the supporting seat.
Further, two sliding grooves are symmetrically formed in the top end of the supporting seat, two sliding blocks are symmetrically and fixedly arranged at the bottom end of the end cover, and the sliding blocks are slidably arranged in the sliding grooves.
On the basis of the scheme, a second spring is fixedly arranged at the bottom end inside the sliding groove, an inclined block is fixedly arranged at the top end of the second spring, a limiting rod is fixedly arranged at the left side of the bottom end of the inclined block, and the bottom end of the limiting rod extends to the inside of the fixing pin.
As still further scheme of the invention, the annular side surface of the fixing pin is provided with a limit groove, the size of the cross section of the limit groove is the same as that of the cross section of the limit rod, and the bottom end of the limit rod extends into the limit groove.
Further, square pole is fixed mounting in end cover bottom left side, and square pole bottom symmetry fixed mounting two supporting shoes, two it rolls to rotate between the supporting shoe, receiver front end fixed mounting has control switch and timing alarm, control switch carries out electric connection with touch-sensitive screen and light instrument through the wire, timing alarm carries out electric connection with control switch and light instrument through the wire.
Furthermore, a key groove I is formed in the annular side face of the rotating pin, a key groove II is formed in the gear, the top end of the key groove I is aligned with the key groove II, a flat key is inserted into the key groove I, and the top end of the flat key extends to the interior of the key groove II.
(III) beneficial effects
Compared with the prior art, the invention provides a 5G myopia prevention and control system with a monitoring and early warning function, which has the following beneficial effects:
1. through the rotation extrusion dwang of light feeding appearance for the dwang removes and drives the rack and remove, and then drive the gear and rotate, realize the upset of touch-sensitive screen, use personnel to promote the end cover removal, the end cover removes and drives T type groove and remove along T type piece, the end cover removes and extrudes the light feeding appearance, make the light feeding appearance around and drive the cylinder pole and rotate, the cylinder pole rotates and extrudees the torsional spring, the end cover removes and drives square pole and remove, square pole removes and makes the roller and light feeding appearance laminating, and then the light feeding appearance is rotated 90 of being convenient for, the light feeding appearance rotates and extrudes the depression bar, the depression bar receives the extrusion downwardly moving, and then drive the dwang and rotate around U type piece, the dwang rotates and extrudees the dwang, make the dwang upwards remove along the fixed frame, the dwang removes and drive rack, the rack removes and drives the gear and rotates, the gear rotates and drives the rotation round pin, and then drive touch-sensitive screen rotates 180, the touch-sensitive screen uses one end to rotate to the receiver inside, and then protect the touch-sensitive screen.
2. The sliding block moves to extrude the inclined block, and then drives the limiting rod to move into the limiting groove, the clamping is used for fixing the positions of the cylindrical rod and the light-feeding instrument, the sliding block is driven to move into the sliding groove in the moving process of the end cover, the sliding block moves to extrude the inclined block, the inclined block is extruded to move downwards, and then drives the limiting rod to move, the inclined block moves downwards to extrude the spring II, so that the spring II generates elastic force, the elastic force of the spring II is convenient for the inclined block and the limiting rod to move and reset, the limiting rod moves into the limiting groove, and then the positions of the cylindrical rod and the light-feeding instrument are fixed, and the stability of the light-feeding instrument in use is improved.
3. The square frame and the first spring are designed to facilitate the reverse pulling of the moving rod, and then the rotating reset of the touch screen is driven, the end cover moves to drive the square rod and the round roller to move, the round roller and the end cover move to separate from the light-feeding instrument, the light-feeding instrument rotates to reset under the torsion force of the torsion spring, and meanwhile the moving rod moves downwards under the action of the first spring force, the moving rod moves downwards to drive the rack to move, and then the gear is driven to rotate reversely, so that the reverse rotating reset of the touch screen is realized.
4. The design through keyway one, keyway two and flat key is convenient for install the gear on the annular side of rotation round pin, and the rotation that is convenient for foster light appearance and cylindrical pole through the design of torsional spring resets, and the design of control switch is convenient for foster light appearance work simultaneously, and the design of timing alarm is convenient for control foster light appearance's work, plays the purpose of monitoring user's live time, avoids long-time use foster light appearance to cause the harm to eyes.
5. The design through T type piece and T type groove is convenient for with end cover slidable mounting on the supporting seat, the position of the fixed end cover of the design of magnetic path for the end cover can cover on the receiver top, has improved the protection effect to the light instrument of feeding, and the design of circle roller is convenient for extrude the light instrument of feeding, has reduced the frictional force between square pole and the light instrument of feeding simultaneously.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of a 5G myopia prevention and control system with monitoring and early warning functions according to the present invention;
fig. 2 is a schematic diagram of a cross-sectional structure of a support seat of a 5G myopia prevention and control system with a monitoring and early warning function according to the present invention;
fig. 3 is a schematic diagram of a cross-sectional structure of a chute of a 5G myopia prevention and control system with a monitoring and early warning function according to the present invention;
fig. 4 is a schematic diagram of a bottom view structure of an end cover of a 5G myopia prevention and control system with a monitoring and early warning function according to the present invention;
fig. 5 is a schematic diagram of a partial enlarged view structure of a 5G myopia prevention and control system with a monitoring and early warning function according to the present invention.
In the figure: 1. a support base; 2. a storage box; 3. a cylindrical rod; 4. a light feeding instrument; 5. a rectangular frame; 6. a touch screen; 7. an end cap; 8. a compression bar; 9. a rotating lever; 10. a U-shaped block; 11. a moving rod; 12. a fixed frame; 13. a support rod; 14. a first spring; 15. a square frame; 16. a rack; 17. a gear; 18. a rotation pin; 19. a T-shaped block; 20. a T-shaped groove; 21. a magnetic block; 22. a chute; 23. a slide block; 24. a sloping block; 25. a second spring; 26. a limit rod; 27. a limit groove; 28. square bar; 29. a support block; 30. a round roller; 31. a control switch; 32. a timing alarm; 33. a torsion spring; 34. a key slot I; 35. key slot II; 36. and (5) flat keys.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, a 5G myopia prevention and control system with monitoring and early warning function comprises a supporting seat 1, a storage box 2, a cylindrical rod 3, a light-feeding instrument 4, a rectangular frame 5, a touch screen 6 and an end cover 7, wherein the storage box 2 is welded at the left end of the supporting seat 1, the cylindrical rod 3 is arranged in the supporting seat 1 through a bearing, the light-feeding instrument 4 is fixedly arranged on the annular side surface of the cylindrical rod 3, the rectangular frame 5 is welded at the left end of the storage box 2, the touch screen 6 is rotatably arranged in the rectangular frame 5, the end cover 7 is slidably arranged at the top end of the supporting seat 1, two U-shaped blocks 10 are symmetrically arranged in the storage box 2 through screws, a rotating rod 9 is rotatably arranged in the U-shaped blocks 10 through round pins, a pressing rod 8 is arranged at the right end of the rotating rod 9 through screws, two bracing pieces 13 are symmetrically welded inside the storage box 2, and the other end of each bracing piece 13 is provided with a fixed frame 12 through a screw, a movable rod 11 is slidably installed inside the fixed frame 12, the bottom end of the movable rod 11 is attached to the upper side of the top end of the rotary rod 9, a square frame 15 is welded outside the movable rod 11, a first spring 14 is welded at the bottom end of the square frame 15, the bottom end of the first spring 14 is welded on the fixed frame 12, a rack 16 is installed at the left end of the movable rod 11 through a screw, rotary pins 18 are symmetrically installed at the front end and the rear end of the touch screen 6 through screws, one end of each rotary pin 18 penetrates through the rectangular frame 5 and is rotatably installed inside the storage box 2, a gear 17 is installed on the annular side face of each rotary pin 18 through a key connection, and the annular side face of the gear 17 is meshed with the rack 16.
In the invention, it is to be noted that the top end of the supporting seat 1 is fixedly provided with the T-shaped block 19, the bottom end of the end cover 7 is provided with the T-shaped groove 20, the T-shaped block 19 is slidably installed in the T-shaped groove 20, the right wall in the T-shaped groove 20 is fixedly provided with the magnetic block 21, the design of the T-shaped block 19 and the T-shaped groove 20 is convenient for the end cover 7 to be slidably installed on the supporting seat 1, the design of the magnetic block 21 is convenient for the end cover 7 to move and cover the position of the end cover 7 when the storage box 2 is fixed, the front end of the light feeding instrument 4 is provided with a through hole, the inside of the through hole is fixedly provided with the cylindrical rod 3, the annular side surface of the cylindrical rod 3 is fixedly provided with a bearing, the outer side of the bearing is fixedly installed in the supporting seat 1, the annular side surface of the cylindrical rod 3 is fixedly provided with the torsion spring 33, and the outer side of the torsion spring 33 is fixedly installed in the supporting seat 1, the design is convenient for the light feeding instrument 4 to be rotatably installed in the supporting seat 1, and the design of the torsion spring 33 is convenient for the rotation and reset of the light feeding instrument 4.
In particular, two sliding grooves 22 are symmetrically formed in the top end of the supporting seat 1, two sliding blocks 23 are symmetrically and fixedly arranged at the bottom end of the end cover 7, the sliding blocks 23 are slidably arranged in the sliding grooves 22, a second spring 25 is fixedly arranged at the bottom end of the inside of the sliding grooves 22, an inclined block 24 is fixedly arranged at the top end of the second spring 25, a limiting rod 26 is fixedly arranged at the left side of the bottom end of the inclined block 24, the bottom end of the limiting rod 26 extends into the cylindrical rod 3, a limiting groove 27 is formed in the annular side surface of the cylindrical rod 3, the size of the cross section of the limiting groove 27 is the same as that of the cross section of the limiting rod 26, the bottom end of the limiting rod 26 extends into the limiting groove 27, the end cover 7 moves to drive the sliding blocks 23 to move into the sliding grooves 22, the sliding blocks 23 move to squeeze the inclined block 24, the inclined block 24 is extruded downwards to drive the limiting rod 26 to move and insert into the limiting groove 27 on the cylindrical rod 3, and then the positions of the cylindrical rod 3 and the light meter 4 are fixed, the inclined block 24 moves downwards to extrude the second spring 25, the elastic force of the second spring 25 is convenient for the movement and resetting of the inclined block 24 and the limiting rod 26, the square rod 28 is fixedly arranged at the left side of the bottom end of the end cover 7, the two supporting blocks 29 are symmetrically and fixedly arranged at the bottom end of the square rod 28, the round roller 30 is rotatably arranged between the two supporting blocks 29, the front end of the storage box 2 is fixedly provided with the control switch 31 and the timing alarm 32, the control switch 31 is electrically connected with the touch screen 6 and the nursing instrument 4 through wires, the timing alarm 32 is electrically connected with the control switch 31 and the nursing instrument 4 through wires, the square rod 28 is convenient for extruding the nursing instrument 4 by the design of the round roller 30, the nursing instrument 4 is further stored in the storage box 2, the nursing instrument 4 is convenient to be started by the design of the control switch 31, the nursing instrument 4 is convenient to work, the nursing instrument 4 is convenient to control the work of the timing alarm 32, the purpose of monitoring the service time of a user is achieved, the damage to eyes caused by long-time use of the light feeding instrument 4 is avoided, the first key groove 34 is formed in the annular side face of the rotating pin 18, the second key groove 35 is formed in the gear 17, the top end of the first key groove 34 is aligned with the second key groove 35, the flat key 36 is inserted into the first key groove 34, the top end of the flat key 36 extends into the second key groove 35, and the design is convenient for installing the gear 17 on the annular side face of the rotating pin 18.
The working principle of the embodiment is as follows: when the light feeding instrument 4 needs to be stored, a user pushes the end cover 7 to move, the end cover 7 moves to drive the T-shaped groove 20 to move along the T-shaped block 19, the end cover 7 moves to squeeze the light feeding instrument 4, the light feeding instrument 4 surrounds and drives the cylindrical rod 3 to rotate, the cylindrical rod 3 rotates to squeeze the torsion spring 33, the end cover 7 moves to drive the square rod 28 to move, the square rod 28 moves to enable the round roller 30 to be attached to the light feeding instrument 4, the light feeding instrument 4 is further rotated by 90 degrees, the light feeding instrument 4 rotates to squeeze the pressing rod 8, the pressing rod 8 is extruded to move downwards, the rotating rod 9 is further driven to rotate around the U-shaped block 10, the rotating rod 9 rotates to squeeze the moving rod 11, the moving rod 11 moves upwards along the fixed frame 12, the moving rod 11 moves to drive the rack 16 to move, the rack 16 moves to drive the gear 17 to rotate, the gear 17 rotates to drive the rotating pin 18 to rotate, and further drive the touch screen 6 to rotate 180 degrees, one end of the touch screen 6 is conveniently rotated to the inside the storage box 2, the touch screen 6 is protected, at the moment, the magnetic block 21 is attached to one end of the T-shaped block 19, the fixed end 7 rotates to the T-shaped block 19, the position of the fixed end 7 is attached to the T-shaped block 19 rotates, the square rod is further the square rod is rotated, the square rod 14 is rotated, and the square spring 14 is further moved to move the square spring 15, and the moving 15 is further driven to move the square spring 15, and the touch screen 14 is further moved and the moving 15 is stretched.
When the nursing instrument 4 is required to be used, the end cover 7 is pulled, the end cover 7 moves to drive the square rod 28 and the round roller 30 to move, the round roller 30 and the end cover 7 move to be separated from the nursing instrument 4, under the torsion force of the torsion spring 33, the nursing instrument 4 rotates to reset, meanwhile, under the action of the elastic force of the spring I14, the moving rod 11 moves downwards to drive the rack 16 to move, and then the gear 17 is driven to rotate reversely, the reverse rotation reset of the touch screen 6 is realized, the sliding block 23 is driven to move into the chute 22 in the moving process of the end cover 7, the sliding block 23 moves to squeeze the inclined block 24, the inclined block 24 is squeezed to move downwards to drive the limiting rod 26 to move, the inclined block 24 moves downwards to squeeze the spring II 25, the elastic force of the spring II 25 is convenient for the inclined block 24 and the movement reset of the limiting rod 26, the limiting rod 26 moves into the limiting groove 27, and then the positions of the round rod 3 and the nursing instrument 4 are fixed, the stability when the end cover 7 moves to squeeze the nursing instrument 4, the initial position 7 is not attached to the end cover 4, and the inclined block 24 is just attached to the limiting rod 26 and is just detached from the limiting rod 4, and the limiting rod 4 is just attached to the limiting rod 4 when the end cover 4 moves to the limiting rod 4.
In the description herein, it should be noted that the terms "coupled," "connected," and "connected," should be construed broadly, and may be either permanently connected, detachably connected, or integrally connected, for example, unless otherwise specifically indicated and defined; the connection may be mechanical connection, electrical connection, direct connection, or indirect connection via an intermediary. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In this description, it should be noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a 5G myopia prevention and control system with monitoring early warning function, includes supporting seat (1), receiver (2), cylinder pole (3), feeding appearance (4), rectangle frame (5), touch-sensitive screen (6) and end cover (7), supporting seat (1) left end fixed mounting has receiver (2), cylinder pole (3) are installed in the inside rotation of supporting seat (1), and cylinder pole (3) annular side face on fixed mounting have feeding appearance (4), receiver (2) left end fixed mounting has rectangle frame (5), and rectangle frame (5) inside rotation installs touch-sensitive screen (6), supporting seat (1) top slidable mounting has end cover (7), its characterized in that, two U type pieces of receiver (2) inside symmetry fixed mounting, and U type piece inside rotation installs the dwang, dwang right-hand member fixed mounting has the depression bar, two bracing pieces (13) of receiver (2) inside symmetry fixed mounting, and bracing piece (13) other end fixed mounting has fixed frame (12), fixed frame (12) inside rotation installs touch-sensitive screen (6), top side (11) and square frame (15) are installed to side top side movable frame (11) and fixed mounting bottom, top side movable frame (15), the utility model discloses a light meter, including fixed frame (12) and supporting seat (1), including fixed frame (12) and fixed frame, fixed frame (12) is installed in spring (14), movable rod (11) left end fixed mounting has rack (16), fixed mounting has rotation round pin (18) around touch-sensitive screen (6), and rotation round pin (18) one end passes rectangular frame (5) and rotates and install inside receiver (2), fixed mounting has gear (17) on rotation round pin (18) annular side, and gear (17) annular side meshes with rack (16), fixed mounting has T type piece (19) in supporting seat (1) top, T type groove (20) have been seted up to end cover (7) bottom, and T type piece (19) slidable mounting is inside T type groove (20), fixed mounting has magnetic path (21) on the inside right wall of T type groove (20), fixed mounting has square pole (28) in end left side of end cover (7), and two supporting blocks (29) are installed to square pole (28) bottom symmetry, two between supporting blocks (29) rotate and install roller (30), controller (31) and touch-sensitive screen (4) are connected with electrical property meter (31), the timing alarm (32) is electrically connected with the control switch (31) and the light feeding instrument (4) through wires.
2. The 5G myopia prevention and control system with the monitoring and early warning function according to claim 1, wherein a through hole is formed in the front end of the light feeding instrument (4), a cylindrical rod (3) is fixedly installed in the through hole, a bearing is fixedly installed on the annular side face of the cylindrical rod (3), the outer side of the bearing is fixedly installed in the supporting seat (1), a torsion spring (33) is fixedly installed on the annular side face of the cylindrical rod (3), and the outer side of the torsion spring (33) is fixedly installed in the supporting seat (1).
3. The 5G myopia prevention and control system with the monitoring and early warning function according to claim 1, wherein two sliding grooves (22) are symmetrically formed in the top end of the supporting seat (1), two sliding blocks (23) are symmetrically and fixedly arranged at the bottom end of the end cover (7), and the sliding blocks (23) are slidably arranged in the sliding grooves (22).
4. The 5G myopia prevention and control system with the monitoring and early warning function according to claim 3, wherein a second spring (25) is fixedly arranged at the bottom end inside the sliding groove (22), an inclined block (24) is fixedly arranged at the top end of the second spring (25), a limiting rod (26) is fixedly arranged at the left side of the bottom end of the inclined block (24), and the bottom end of the limiting rod (26) extends into the cylindrical rod (3).
5. The 5G myopia prevention and control system with the monitoring and early warning function according to claim 4, wherein a limit groove (27) is formed in the annular side face of the cylindrical rod (3), the size of the cross section of the limit groove (27) is the same as that of the cross section of the limit rod (26), and the bottom end of the limit rod (26) extends into the limit groove (27).
6. The 5G myopia prevention and control system with the monitoring and early warning function according to claim 1, wherein a key groove one (34) is formed in the annular side surface of the rotating pin (18), a key groove two (35) is formed in the gear (17), the top end of the key groove one (34) is aligned with the key groove two (35), a flat key (36) is inserted into the key groove one (34), and the top end of the flat key (36) extends into the key groove two (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343673.3A CN114027994B (en) | 2021-11-13 | 2021-11-13 | 5G myopia prevention and control system with monitoring and early warning functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343673.3A CN114027994B (en) | 2021-11-13 | 2021-11-13 | 5G myopia prevention and control system with monitoring and early warning functions |
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| Publication Number | Publication Date |
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| CN114027994A CN114027994A (en) | 2022-02-11 |
| CN114027994B true CN114027994B (en) | 2024-04-05 |
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