CN111248625B

CN111248625B - Library uses reading table

Info

Publication number: CN111248625B
Application number: CN202010173964.1A
Authority: CN
Inventors: 孔祥申
Original assignee: Zaozhuang University
Current assignee: Zaozhuang University
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-01-12
Anticipated expiration: 2040-03-13
Also published as: CN111248625A

Abstract

The invention relates to a reading table for a library, which is lifted by a lifting device between a base and the reading table, wherein the lifting device adopts a movable shaft collar, the power of a main shaft is reversed by bevel gears at different sides, the lifting effect is realized by the matching of a screw rod and a screw rod sleeve, a pawl-ratchet structure is connected on the main shaft, the rotation of the main shaft is realized by the unidirectional driving of feet, a movable image collector is installed in the reading table to collect and record the information of the read books, a book receiving device driven by a hydraulic push rod is installed in the reading table, the book receiving device triggers an electric telescopic rod and a fourth motor by a trigger plate to collect and arrange the read books by a U-shaped rod and a push rod, and the information collection is carried out by a code scanner to facilitate the reading of the next user, the invention is convenient to use, simple structure, the operation of being convenient for has made things convenient for the borrower to borrow to a very big degree, and the practicality is strong, is fit for using widely.

Description

Library uses reading table

Technical Field

The invention belongs to the technical field of reading equipment, and particularly relates to a reading table for a library.

Background

The library desk reading table is a tool for learning and reading, not only can be used at home, but also a large number of desk reading tables are generally arranged in libraries and reading rooms, however, generally, the desks and the reading tables are simple tables, the use is inconvenient, some heights cannot be adjusted, the use is greatly limited, and the desk reading table with the adjustable height can be adjusted freely according to the need because the height of the desk reading table is adjustable, and the desk reading table is easy to swing, shake and unstable when being used after being adjusted and lifted, the height adjustment is inconvenient, the operation is troublesome, and the problem of inconvenient use is also caused; meanwhile, book borrowing information of the same user cannot be stored after the user borrows books, for example, after the borrower borrows books once, the borrowing is finished and the books do not read, then in the next borrowing, the borrowing position of last time needs to be turned over again, time is wasted greatly, generally speaking, the cover of each book is marked with the bar code of book information, and the device for book information registration and reading position record after the borrowing is finished does not exist in the prior art, so the above problems are synthesized, and a library is urgently needed to be provided with a reading table for solving the above problems.

Disclosure of Invention

In view of the above problems, the present invention provides a reading table for a library, which solves the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme that the reading table for the library comprises a base and is characterized in that the upper end of the base is connected with the reading table through a lifting device, the reading table is of a shell structure, and the rear end of the reading table is connected with a clamping device so as to clamp a read manuscript or book by the clamping device;

a vertical tube is arranged in the reading table, a spiral limiting groove is arranged on the inner side wall of the vertical tube, and the upper end and the lower end of the limiting groove are communicated with an extending groove which is arranged in the horizontal direction, the vertical cylinder is rotationally matched with a vertical rod, the outer side wall of the vertical rod is connected with a limiting rod, the limiting rod is in sliding fit with the limiting groove and the extending groove, the vertical rod can be changed in position in the vertical direction relative to the vertical cylinder by the rotation of the vertical rod, a first motor is arranged in the reading table, an output shaft of the first motor is vertically and slidably connected in a vertical rod, the vertical rod is connected with the output shaft of the first motor through a spline, the vertical rod is connected with an image collector, the image collector is connected with the controller, and the controller is connected with the page number recognition device, so that the image collector can collect images of books on the reading table and perform page number recognition and recording;

the upper end of the reading table is provided with a rectangular window, the rectangular window is internally provided with two groups of shielding plates which are symmetrically arranged along the transverse sliding fit, the rectangular window is sealed by the two groups of shielding plates, the lower end of each shielding plate is connected with a transverse rack, the transverse rack is meshed with a first gear which is rotatably connected in the reading table, the reading table is internally provided with a second motor, the second motor is connected with a controller, an output shaft of the second motor is coaxially connected with a second gear, a rotating shaft of one group of first gears is coaxially connected with a third gear, the third gear is meshed with the second gear, the rotating shaft of the second gear is connected with the rotating shaft of the other first gear through a belt, the reading table is internally provided with a hydraulic cylinder which is connected with the controller, the hydraulic cylinder is internally connected with a hydraulic rod in a sliding manner, the end part of the hydraulic rod is connected with a translation plate which is transversely matched with the bottom surface of the reading table in a sliding manner, the other end of the translation plate is provided with a third motor, and the output shaft end of the third motor is connected with a book receiving device which is transversely connected to the inner bottom surface of the reading table in a sliding manner; the book receiving device comprises two groups of book receiving discs which are arranged symmetrically up and down and connected, the left ends of the book receiving discs are connected with an output shaft of a third motor, the third motor is connected with a controller and satisfies the requirement that the output end of the controller drives the output end of the third motor to rotate for a half-circle stroke, a rectangular opening is formed in the bottom of each book receiving disc, a trigger plate is vertically and slidably connected in the rectangular opening, a first spring is connected between the lower end of the trigger plate and the corresponding book receiving disc, the lower end of the trigger plate is connected with a trigger rod matched with a piezoelectric sensor arranged on the corresponding book receiving disc, a U-shaped rod used for combining books is rotatably connected in each book receiving disc, the end part of the U-shaped rod is coaxially connected with the output shaft of a fourth motor arranged on the book receiving disc, the left end and the right end of each book receiving disc are respectively connected with an electric telescopic rod, the piezoelectric sensors, the output shafts of, The fourth motor and the electric telescopic rod are both connected with the controller, so that the triggering rod triggers the piezoelectric sensor to trigger the fourth motor and the electric telescopic rod to work through the controller, the end part of the electric telescopic rod is matched with a push rod which is matched in the book receiving plate in a sliding mode in a transverse sliding mode, a second spring is connected between the push rod and the electric telescopic rod, the piezoelectric sensor which can be triggered by the push rod is connected in the electric telescopic rod, and the piezoelectric sensor is connected with the controller to meet the requirement that the piezoelectric sensor is triggered by the push rod so as to drive the hydraulic cylinder to work through the controller;

the reading table is internally provided with a code scanner for identifying book information in the book receiving disc, the code scanner is connected with the controller, so that the code scanner can identify and store the book information in the book receiving disc, the reading table is provided with an identity information collector for collecting and storing the identity information of a user, the identity information collector is connected with the controller, and the controller can store the collected and stored book information and reading progress information in the reading records of the corresponding user;

the left end of the reading table is connected with a book storage box, and the right end of the reading table is connected with a collecting box.

Preferably, elevating gear including connect four dead levers in the reading table bottom, still including connect on the base and with four dead lever difference sliding fit's telescopic stem of group, reading table lower extreme connect a lead screw, lead screw and rotation connect the lead screw sleeve on the base and carry out screw-thread fit, the outer coaxial coupling fourth gear of lead screw sleeve, fourth gear engagement unify and rotate the fifth gear of connection on the base, fifth gear coaxial coupling first bevel gear, the base on transversely rotate and connect a main shaft, the main shaft on from left to right respectively rotate and be connected with second bevel gear and the third bevel gear with first bevel gear engaged with, second bevel gear coaxial coupling overlap establish in the main shaft outside and towards the first profile of circumference tooth that central direction set up, third bevel gear coaxial coupling overlap establish in the main shaft outside and towards the second profile of circumference that central direction set up that be the second profile of circumference The main shaft is connected with a shaft collar arranged between the second bevel gear and the third bevel gear through a spline, the two ends of the collar are respectively connected with a third tooth which is engaged with the first tooth and the second tooth, the outer side of the shaft collar is rotatably connected with a shaft sleeve, the base is rotatably connected with a swinging rod, a third spring is connected between the swinging rod and the shaft sleeve, the two sides of the swinging rod are connected with stop levers used for limiting the swinging angle of the swinging rod, so that the third tooth-shaped teeth are engaged with the tooth-shaped teeth on the corresponding side for transmission by the movement of the driving shaft collar of the swinging rod, an inner ratchet wheel is coaxially fixed on the main shaft, a pawl matched with the inner ratchet wheel is rotatably connected on the main shaft, a pedal is coaxially connected outside a rotating shaft of the pawl, and a fourth spring is connected between the bottom of the pedal and the base.

Preferably, clamping device including articulating the rectangular plate at the reading table rear end, the right side of rectangular plate along the length direction on its side go up sliding connection bayonet lock, the upper end of bayonet lock with connect a fifth spring between the rectangular plate lateral wall, the right-hand member of reading table connect a chuck, the chuck open along the circumference outward have a plurality of groups with bayonet lock complex draw-in groove, the upper end of rectangular plate be provided with the multiunit clamp plate along the length direction interval, clamp plate and rectangular plate between be connected through the torsional spring.

The invention has the beneficial effects that: the invention realizes lifting through a lifting device between a base and a reading table, the lifting device adopts a movable shaft collar, the position of the shaft collar is changed by the matching of a swinging rod and a spring, so that tooth-shaped teeth on the shaft collar are respectively matched and driven with tooth-shaped teeth on different sides, the reversing purpose is achieved, the power of a main shaft is reversed through bevel gears on different sides, the lifting effect is realized by the matching of a screw rod and a screw rod sleeve, a group of mutually matched pawl-ratchet structures are connected on the main shaft, the rotation of the main shaft is realized by the unidirectional driving of feet, a movable image collector is arranged in the reading table to collect and record information of books after reading, a book receiving device driven by a hydraulic push rod is arranged in the reading table, wherein the book receiving device utilizes a trigger plate to trigger an electric telescopic rod and a fourth motor, the reading desk has the advantages that the U-shaped rod and the push rod are used for collecting and arranging the read books, the bar code scanner in the reading desk is used for collecting and recording information, and the reading is convenient for a user to read continuously next time.

Drawings

Fig. 1 is a perspective view of the first stereoscopic structural diagram of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a side view of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

FIG. 6 is a cross-sectional view of the vertical tube and its connecting portion of the present invention.

Fig. 7 is a three-dimensional structure view of the vertical rod and the connecting part thereof in the invention.

FIG. 8 is a perspective view of the vertical tube of the present invention.

Fig. 9 is a perspective view of the reading table of the present invention with the top surface removed.

Fig. 10 is a perspective view of the book receiving tray and its connecting portion according to the present invention.

Fig. 11 is a perspective view of the book receiving tray portion of the present invention.

Fig. 12 is a perspective view showing a trigger plate and a connecting portion thereof according to the present invention.

Fig. 13 is a perspective view showing the construction of the push rod and its connecting part according to the present invention.

Fig. 14 is a perspective view of the lifting device according to the present invention.

Fig. 15 is a perspective view of the second embodiment of the lifting device of the present invention.

Fig. 16 is a perspective view of the tooth and the mating part of the lifting device of the present invention.

Fig. 17 is a perspective view of the footrest and its connection part in the present invention.

Fig. 18 is a perspective view of the base and its connection part according to the present invention.

Reference numerals: 1. a base; 2. a reading table; 3. a vertical cylinder; 4. a limiting groove; 5. an extension groove; 6. a vertical rod; 7. a limiting rod; 8. a first motor; 9. an image collector; 10. a rectangular window; 11. a shielding plate; 12. a transverse rack; 13. a first gear; 14. a second motor; 15. a second gear; 16. a third gear; 17. a hydraulic cylinder; 18. a hydraulic lever; 19. a translation plate; 20. a third motor; 21. a book receiving disc; 22. a rectangular opening; 23. a trigger plate; 24. a first spring; 25. a trigger lever; a U-shaped bar; 27. a fourth motor; 28. an electric telescopic rod; 29. a push rod; 30. a second spring; 31. a book storage box; 32. a collection box; 33. fixing the rod; 34. a quill rod; 35. a lead screw; 36. a lead screw sleeve; 37. a fourth gear; 38. a fifth gear; 39. a first bevel gear; 40. a main shaft; 41. a second bevel gear; 42. a third bevel gear; 43. a first profile tooth; 44. a second profile tooth; 45. a collar; 46. a third tooth; 47. a shaft sleeve; 48. a swing lever; 49. a third spring; 50. a stop lever; 51. an inner ratchet wheel; 52. a pawl; 53. a foot pedal; 54. a fourth spring; 55. a rectangular plate; 56. a bayonet lock; 57. a fifth spring; 58. a chuck; 59. a card slot; 60. and (4) clamping the plate.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiment one, with reference to fig. 1 to 18, a reading table for a library includes a base 1, and is characterized in that the upper end of the base 1 is connected to a reading table 2 through a lifting device, the reading table 2 can be adjusted up and down through the lifting device, so that a user can conveniently adjust the reading table up and down, the reading table 2 is of a shell structure, the rear end of the reading table 2 is connected to a clamping device, so that the clamping device can clamp a read manuscript or book, and the clamping device can conveniently clamp the read manuscript or book when reading the book;

a vertical cylinder 3 is arranged in the reading table 2, a spiral limiting groove 4 is arranged on the inner side wall of the vertical cylinder 3, the upper end and the lower end of the limiting groove 4 are communicated with an extending groove 5 which is arranged in the horizontal direction, the limiting groove 4 is spiral and is in smooth transition with the extending groove 5 in the horizontal direction, the length of the extending groove 5 is one fourth of the circumferential length, a vertical rod 6 is in rotating fit with the vertical cylinder 3, a limiting rod 7 is connected with the outer side wall of the vertical rod 6, the limiting rod 7 is in sliding fit with the limiting groove 4 and the extending groove 5, the requirement that the position of the vertical rod 6 in the vertical direction relative to the vertical cylinder 3 can be changed by the rotation of the vertical rod 6 is met, the vertical rod 6 and the vertical cylinder 3 rotate relative to each other based on the matching between the limiting groove 4, the extending groove 5 and the limiting rod 7, so that the position in the vertical direction is changed due to the existence of the, when the vertical rod 6 rotates to the upper and lower positions, the limiting rod 7 moves smoothly to the extending groove 5, so that the vertical rod 6 rotates at the upper and lower limit positions, the reading table 2 is internally provided with the first motor 8, the output shaft of the first motor 8 is vertically and slidably connected in the vertical rod 6, the output shaft of the vertical rod 6 and the output shaft of the first motor 8 are connected through a spline, so that the vertical rod 6 can move along the vertical direction while rotating along with the output shaft of the first motor 8, the vertical rod 6 is connected with the image collector 9, the image collector 9 is connected with the controller, the controller is connected with the page number recognition device, the image collector 9 can perform image collection and page number recognition and recording on books on the reading table 2, when the vertical rod 6 does not perform page number recording and storage, the vertical rod 6 rotates to the reading table 2 along with the first motor 8, the normal reading is not influenced, when the page number identification and recording are needed, the first motor 8 drives the vertical rod 6 to rotate, so that the vertical rod 6 rotates out of the reading table 2, at the moment, the rotation stroke of the first motor 8 is required to be in front of the image collector 9, the image collection and the page number identification are conveniently carried out on the book at the front end, and the reading progress information is transmitted to the page number identification device through the controller and is stored in the controller after being identified;

the upper end of the reading table 2 is provided with a rectangular window 10, two groups of shielding plates 11 which are symmetrically arranged are arranged in the rectangular window 10 in a transverse sliding fit manner, the rectangular window 10 can be blocked by the two groups of shielding plates 11, the shielding plates 11 are connected with the rectangular window 10 in a transverse sliding manner, the two groups of shielding plates 11 can move to simultaneously block the rectangular window 10, the lower end of the shielding plates 11 is connected with a transverse rack 12, the transverse rack 12 is meshed with a first gear 13 which is rotatably connected with the reading table 2, a second motor 14 is arranged in the reading table 2, the second motor 14 is connected with a controller, an output shaft of the second motor 14 is coaxially connected with a second gear 15, a rotating shaft of one group of first gears 13 is coaxially connected with a third gear 16, the third gear 16 is meshed with the second gear 15, and a rotating shaft of the second gear 15 is connected with a rotating shaft of the other first gear 13 through a belt, the rotation of the second motor 14 drives the second gear 15 to rotate, the second gear 15 drives the first gear 13 to rotate, and simultaneously drives the rotating shaft of the first gear 13 on the other side to rotate through the belt, so that the two sets of first gears 13 drive the transverse rack 12 to move, thereby driving the two sets of shielding plates 11 to move in the direction of approaching to or departing from each other, a hydraulic cylinder 17 is installed in the reading table 2, the hydraulic cylinder 17 is equipped with an oil pump and an oil cylinder, and the arrangement of the hydraulic cylinder 17 belongs to the conventional technical means for the skilled person, therefore, the description is omitted here, the hydraulic cylinder 17 is connected with the controller, the hydraulic cylinder 17 is connected with a hydraulic rod 18 in a sliding manner, the end of the hydraulic rod 18 is connected with a translation plate 19 which is transversely matched with the bottom surface of the reading table 2 in a sliding manner, and the hydraulic rod 18 pushes the translation plate 19 to move transversely, a transverse sliding groove is formed in the inner bottom surface of the reading table 2, the translation plate 19 is in sliding fit with the transverse sliding groove, a third motor 20 is installed at the other end of the translation plate 19, the output shaft end of the third motor 20 is connected with a book receiving device which is transversely connected to the inner bottom surface of the reading table 2 in a sliding manner, and the book receiving device can be turned over due to the rotation of the third motor 20, so that the upper side surface and the lower side surface of the book receiving device can receive books from different side surfaces;

the book receiving device comprises two groups of book receiving discs 21 which are arranged symmetrically up and down and connected, the book receiving discs 21 are in a rectangular disc body structure, the size of each book receiving disc 21 is slightly larger than the size of a window of a rectangular window 10, books can fall into the book receiving discs 21 from the rectangular window 10, the left end of each book receiving disc 21 is connected with an output shaft of a third motor 20, so that the third motor 20 rotates to drive the book receiving discs 21 on different sides to perform book receiving work, the third motor 20 is connected with a controller, the controller drives the output end of the third motor 20 to rotate for a half-circle stroke, a rectangular opening 22 is formed in the bottom of each book receiving disc 21, a trigger plate 23 is vertically and slidably connected in the rectangular opening 22, the height of the upper end face of the trigger plate 23 is higher than the inner bottom face of the book receiving disc 21, and when the books fall in the book receiving discs 21, the trigger plate 23 can be smoothly extruded towards the vertical sliding direction, a first spring 24 is connected between the lower end of the trigger plate 23 and the corresponding book receiving tray 21, the lower end of the trigger plate 23 is connected with a trigger rod 25 matched with a piezoelectric sensor installed on the corresponding book receiving tray 21, the trigger rod 25 moves downwards along with the trigger plate 23 contracting towards the book receiving tray 21 so as to trigger the piezoelectric sensor to work, the piezoelectric sensor can trigger the corresponding workpiece to work, a U-shaped rod 26 for combining books is connected in the book receiving tray 21 in a rotating manner, the end of the U-shaped rod 26 is coaxially connected with an output shaft of a fourth motor 27 installed on the book receiving tray 21, the U-shaped rod 26 rotates by a certain stroke due to the rotation of the fourth motor 27, the U-shaped rod 26 is embedded on the inner bottom surface of the book receiving tray 21, the U-shaped rod 26 can collect books falling onto the book receiving tray 21, and the left and right ends of the book receiving tray 21 are respectively connected with an electric telescopic rod 28, the piezoelectric sensor, the fourth motor 27 and the electric telescopic rod 28 are all connected with the controller, so that the condition that the trigger rod 25 triggers the piezoelectric sensor to trigger the fourth motor 27 and the electric telescopic rod 28 to work through the controller is met, the piezoelectric sensor triggers the fourth motor 27 and the electric telescopic rod 28 to work through the controller after triggering the controller, the electric telescopic rod 28 is driven to work after the fourth motor 27 finishes working, the end part of the electric telescopic rod 28 is in sliding fit with a push rod 29 which is in transverse sliding fit in the book receiving plate 21, a second spring 30 is connected between the push rod 29 and the electric telescopic rod 28, the piezoelectric sensor which can be triggered by the push rod 29 is connected in the electric telescopic rod 28, the piezoelectric sensor is connected with the controller, the condition that the piezoelectric sensor is triggered by the push rod 29 so as to drive the hydraulic cylinder 17 to work through the controller is met, and the electric telescopic rod 28 is triggered by the piezoelectric sensor below the trigger plate 23, the push rod 29 at the end part is driven to move towards the center so as to align the book, when the push rod 29 is pushed to the limit position in the pushing process, the second spring 30 is compressed so as to trigger the piezoelectric sensor matched with the second spring to work, when the two groups of piezoelectric sensors are triggered simultaneously, the hydraulic cylinder 17 in the reading table 2 is triggered to work through the controller, the hydraulic cylinder 17 pushes the book receiving disc 21 to move towards the right side until the book receiving disc is pushed out of the reading table 2, then the controller controls the third motor 20 to work so as to realize the transposition of the book receiving disc 21, the book receiving disc 21 below is rotated to the upper side, and after the rotation is finished, the controller controls the hydraulic cylinder 17 to work so as to retract the book receiving disc 21 below the rectangular window 10 in the reading table 2;

the reading table 2 is internally provided with a code scanner for identifying book information in the book receiving disc 21, the code scanner is connected with the controller, the code scanner can identify and store the book information in the book receiving disc 21, the code scanner can identify and record bar code information on the cover of the book in the book receiving disc 21 in the moving process, the reading table 2 is provided with an identity information collector for collecting and storing the identity information of a user, the identity information collector is connected with the controller, the controller can store the collected and stored book information and reading progress information in the reading record of the corresponding user, the identity information collector can scan the identity card of the user, and then the book information and the reading progress information, namely page code information, stored in the controller are conveyed to the identity information of the user, when the user reads the information next time, the previous borrowing information can be displayed only by scanning the identity card, so that the reading device is very convenient and good to use;

the left end of the reading table 2 is connected with a book storage box 31, the right end of the reading table is connected with a collecting box 32, the book storage box 31 is used for storing a plurality of books borrowed by a user, the collecting box 32 can be used for collecting the books which are read and registered, and the collecting box 32 can be replaced by a collecting bag made of cotton cloth materials for protecting the books, so that the reading table is convenient and practical.

In the second embodiment, on the basis of the first embodiment, with reference to fig. 1 to 18, the lifting device includes four fixing rods 33 connected to the bottom of the reading table 2, and further includes sleeve rods 34 connected to the base 1 and slidably engaged with the four fixing rods 33, the lower end of the reading table 2 is connected to a lead screw 35, the lead screw 35 is in threaded engagement with a lead screw sleeve 36 rotatably connected to the base 1, the rotation of the lead screw sleeve 36 enables the lead screw 35 and the reading table 2 connected thereto to perform vertical position adjustment due to the limit of the four fixing rods 33 and the sleeve rods 34, the lead screw sleeve 36 is coaxially connected to a fourth gear 37, the fourth gear 37 is engaged with a fifth gear 38 rotatably connected to the base 1, the fifth gear 38 is coaxially connected to a first bevel gear 39, the base 1 is transversely rotatably connected to a main shaft 40, a second bevel gear 41 and a third bevel gear 42 which are engaged with the first bevel gear 39 are respectively rotatably connected on the main shaft 40 from left to right, the second bevel gear 41 is coaxially connected with a first tooth-shaped tooth 43 which is sleeved on the outer side of the main shaft 40 and is arranged towards the central direction and is in a circumferential shape, the tooth-shaped teeth are distributed in a circumferential shape, the bottom part of the tooth-shaped tooth is in a rectangular tooth root structure, so that two groups of tooth-shaped teeth can be engaged conveniently, the third bevel gear 42 is coaxially connected with a second tooth-shaped tooth 44 which is sleeved on the outer side of the main shaft 40 and is in a circumferential shape and is arranged towards the central direction, the main shaft 40 is connected with a collar 45 which is arranged between the second bevel gear 41 and the third bevel gear 42 through a spline connection, the collar 45 can move transversely along with the main shaft 40, the two ends of the collar 45 are respectively connected with a third tooth-shaped tooth 46 which is engaged with the first tooth-shaped tooth 43 and the second tooth-shaped tooth 44, the shaft sleeve 47 can only rotate relative to the shaft collar 45, the base 1 is rotatably connected with a swinging rod 48, a third spring 49 is connected between the swinging rod 48 and the shaft sleeve 47, the two sides of the swinging rod 48 are connected with stop levers 50 for limiting the swinging angle of the swinging rod 48, the swinging rod 48 drives the shaft collar 45 to move so that the third tooth teeth 46 are meshed with the tooth teeth on the corresponding side for transmission, the shaft collar 45 is pulled by the third spring 49 to change the position by changing the position of the swinging rod 48, so that the shaft collar 45 is meshed with the second tooth teeth 44 leftwards or meshed with the third tooth teeth 46 rightwards, the main shaft 40 rotates, when the tooth teeth on different sides are meshed, the rotating direction of the first bevel gear 39 is also different, an inner ratchet 51 is coaxially fixed on the main shaft 40, a pawl 52 matched with the inner ratchet 51 is rotatably connected on the main shaft 40, a pedal 53 is coaxially connected outside the rotating shaft of the pawl 52, a fourth spring 54 is connected between the bottom of the pedal 53 and the base 1, a user only needs to pull the swing rod 48 to one side of an upward mark, then the pedal 53 is stepped by the foot to compress the fourth spring 54, the fourth spring 54 is idle and cannot drive the spindle 40 to rotate in the process that the fourth spring 54 pushes the pedal 53 to reset upwards due to the action of the pawl 52, the bevel gear is driven to rotate in the forward direction through the meshing rotation of the tooth-shaped teeth in the process, so that the lead screw 35 is driven to rotate in the forward direction to realize ascending adjustment, when the swing rod 48 is pulled to the other side, the pedal 53 is stepped by the foot to compress the fourth spring 54, and the pedal 53 is idle and cannot drive the spindle 40 to rotate in the process that the fourth spring 54 pushes the pedal 53 to reset upwards due to the action of the pawl 52, in the process, the bevel gear is driven to rotate in the reverse direction through the meshing rotation of the tooth-shaped teeth, so that the lead screw 35 is driven to rotate in the reverse direction, the descending adjustment is realized, the whole adjusting process only needs to be controlled by feet, and the device is convenient and practical.

Embodiment three, on the basis of embodiment one or two, with reference to fig. 1-18, the clamping device includes a rectangular plate 55 hinged to the rear end of the reading table 2, the rectangular plate 55 is provided with a hollowed-out hole-shaped structure, the right side of the rectangular plate 55 is slidably connected with a bayonet 56 along the length direction of the side surface thereof, the bayonet 56 is slidably connected in a sliding slot formed in the side wall of the rectangular plate 55, a fifth spring 57 is connected between the upper end of the bayonet 56 and the side wall of the rectangular plate 55, the right end of the reading table 2 is connected with a chuck 58, the chuck 58 is externally provided with a plurality of sets of clamping slots 59 matched with the bayonet 56 along the circumference, the bayonet 56 is pulled upwards to compress the fifth spring 57, then the bayonet 56 is released after the rectangular plate 55 is rotated to a designated position, the bayonet 56 enters the clamping slots 59 in the chuck 58 under the action of the fifth spring 57 to limit the rotation of the rectangular plate 55, the upper end of rectangular plate 55 along length direction interval be provided with multiunit clamping plate 60, clamping plate 60 and rectangular plate 55 between be connected through the torsional spring, after rectangular plate 55 angular adjustment, utilize clamping plate 60 to press from both sides the books of reading tightly, the person of facilitating the use reads.

When the invention is used, firstly, a user needs to collect the identity at the identity information collector and then read books, wherein in use, if the rectangular plate 55 needs to be adjusted, the bayonet 56 is pulled upwards to compress the fifth spring 57, then the rectangular plate 55 is rotated to a specified position, the bayonet 56 is released, under the action of the fifth spring 57, the bayonet 56 enters the bayonet 59 in the chuck 58 to limit the rotation of the rectangular plate 55, after the angle of the rectangular plate 55 is adjusted, the read books are clamped by the clamping plate 60, if the height adjustment needs to be carried out, the user only needs to pull the swinging rod 48 to the upward marked side, then the fourth spring 54 is compressed by stepping on the pedal plate 53, and the pedal plate 53 is idle in the process of pushing the pedal plate 54 upwards to reset due to the action of the pawl 52, the main shaft 40 cannot be driven to rotate, the bevel gear is driven to rotate in the forward direction through the meshing rotation of the tooth-shaped teeth in the process, so that the lead screw 35 is driven to rotate in the forward direction to achieve ascending adjustment, when the swing rod 48 is pulled to the other side, the pedal 53 is stepped on by feet to compress the fourth spring 54, under the action of the pawl 52, the fourth spring 54 is in idle rotation in the process of pushing the pedal 53 upwards to reset, the main shaft 40 cannot be driven to rotate, and in the process, the bevel gear is driven to rotate in the reverse direction through the meshing rotation of the tooth-shaped teeth, so that the lead screw 35 is driven to rotate in the reverse direction, and descending adjustment is achieved;

after reading, the controller drives the first motor 8 to drive the vertical rod 6 to rotate, so that the vertical rod 6 rotates out of the reading table 2, the stroke is finished, the controller drives the image collector 9 on the vertical rod 6 to collect images and identify pages of books at the front end, the reading progress information is transmitted to the page identification device through the controller, is identified and stored in the controller and is stored in the identity information of a user through the controller, then the controller controls the second motor 14 to rotate to drive the second gear 15 to rotate, the second gear 15 drives the first gear 13 to rotate, and simultaneously drives the rotating shaft of the first gear 13 at the other side to rotate through the belt, so that the two groups of first gears 13 drive the transverse rack 12 to move, thereby driving the two groups of shielding plates 11 to open, the books fall into the book receiving tray 21 below the books, and then the second motor 14 rotates reversely, then the shielding plate 11 is closed, the falling of the book triggers the trigger plate 23 in the book receiving tray 21 to move downwards, the trigger plate 23 contracts towards the book receiving tray 21, the trigger rod 25 moves downwards, thereby triggering the piezoelectric sensor to work, the piezoelectric sensor controls the fourth motor 27 and the electric telescopic rod 28 to respectively work through the controller, the rotation of the fourth motor 27 enables the U-shaped rod 26 to rotate for a certain stroke, the U-shaped rod 26 is embedded on the inner bottom surface of the book receiving tray 21, the U-shaped rod 26 can collect the book falling on the book receiving tray 21, the electric telescopic rod 28 drives the push rod 29 at the end to move towards the center, thereby straightening the book, the push rod 29 compresses the second spring 30 when pushed to the limit position in the pushing process, thereby triggering the piezoelectric sensor matched with the push rod 30 to work, when the two groups of piezoelectric sensors are simultaneously triggered, the hydraulic cylinder 17 in the reading desk 2 is triggered to work through the controller, the hydraulic cylinder 17 pushes the book receiving plate 21 to move towards the right side until the book receiving plate is pushed out of the reading desk 2, then the controller controls the third motor 20 to work to realize the transposition of the book receiving disc 21, the book receiving disc 21 below is rotated to the upper part, after the rotation is finished, the controller controls the hydraulic cylinder 17 to work, the book receiving disc 21 is retracted to the lower part of the rectangular window 10 in the reading table 2, during the outward pushing process, the bar code information on the cover of the book in the book tray 21 can be identified and recorded by the bar code scanner, then the information is synchronized to the identity information of the user through the controller for recording and storing, so that when the user reads the information next time, the last borrowing information can be displayed only after the identity card is scanned.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A reading table for a library comprises a base (1), and is characterized in that the upper end of the base (1) is connected with a reading table (2) through a lifting device, the reading table (2) is of a shell structure, and the rear end of the reading table (2) is connected with a clamping device, so that the clamping device can clamp a read manuscript or book;

the reading table is characterized in that a vertical tube (3) is installed in the reading table (2), the inner side wall of the vertical tube (3) is provided with a spiral limiting groove (4), the upper end and the lower end of the limiting groove (4) are communicated with an extending groove (5) which is arranged in the horizontal direction, the vertical tube (3) is internally provided with a vertical rod (6) in a rotating fit manner, the outer side wall of the vertical rod (6) is connected with a limiting rod (7), the limiting rod (7) is in sliding fit with the limiting groove (4) and the extending groove (5), the position of the vertical rod (6) in the vertical direction relative to the vertical tube (3) can be changed by the rotation of the vertical rod (6), the reading table (2) is internally provided with a first motor (8), the output shaft of the first motor (8) is vertically and is connected with the output shaft of the first motor (8) through a spline, the vertical rod (6) is connected with an image collector (9), the image collector (9) is connected with a controller, and the controller is connected with a page number recognition device, so that the image collector (9) can collect images of books on the reading table (2) and recognize and record page numbers;

the upper end of the reading table (2) is provided with a rectangular window (10), the rectangular window (10) is internally provided with two groups of shielding plates (11) which are symmetrically arranged along the transverse sliding fit, the requirement that the rectangular window (10) is blocked by the two groups of shielding plates (11) is met, the lower end of each shielding plate (11) is connected with a transverse rack (12), the transverse rack (12) is meshed with a first gear (13) which is rotatably connected in the reading table (2), a second motor (14) is installed in the reading table (2), the second motor (14) is connected with a controller, an output shaft of the second motor (14) is coaxially connected with a second gear (15), the rotating shaft of one group of first gears (13) is coaxially connected with a third gear (16), the third gear (16) is meshed with the second gear (15), and the rotating shaft of the second gear (15) is connected with the rotating shaft of the other first gear (13) through a belt, a hydraulic cylinder (17) is arranged in the reading table (2), the hydraulic cylinder (17) is connected with a controller, a hydraulic rod (18) is connected in the hydraulic cylinder (17) in a sliding manner, the end part of the hydraulic rod (18) is connected with a translation plate (19) which is matched with the lower bottom surface of the reading table (2) in a transverse sliding manner, a third motor (20) is arranged at the other end of the translation plate (19), and the output shaft end of the third motor (20) is connected with a book receiving device which is connected to the inner bottom surface of the reading table (2) in a transverse sliding manner; the book receiving device comprises two groups of book receiving discs (21) which are arranged symmetrically up and down and connected, the left ends of the book receiving discs (21) are connected with an output shaft of a third motor (20), the third motor (20) is connected with a controller, the controller drives the output end of the third motor (20) to rotate for a half-circle stroke, a rectangular opening (22) is formed in the bottom of each book receiving disc (21), a trigger plate (23) is vertically and slidably connected in the rectangular opening (22), a first spring (24) is connected between the lower end of each trigger plate (23) and the corresponding book receiving disc (21), the lower end of each trigger plate (23) is connected with a trigger rod (25) matched with a piezoelectric sensor arranged on the corresponding book receiving disc (21), a U-shaped rod (26) used for book combining is rotatably connected in each book receiving disc (21), the end part of each U-shaped rod (26) is coaxially connected with the output shaft of a fourth motor (27) arranged on the corresponding book receiving disc (21) The left end and the right end of the book connecting plate (21) are respectively connected with an electric telescopic rod (28), the piezoelectric sensor, the fourth motor (27) and the electric telescopic rod (28) are all connected with a controller, a trigger rod (25) triggers the piezoelectric sensor to trigger the fourth motor (27) and the electric telescopic rod (28) to work through the controller, the end part of the electric telescopic rod (28) is matched with a push rod (29) which is in transverse sliding fit in the book connecting plate (21) in a sliding mode, a second spring (30) is connected between the push rod (29) and the electric telescopic rod (28), the electric telescopic rod (28) is connected with the piezoelectric sensor which can be triggered by the push rod (29), and the piezoelectric sensor is connected with the controller and triggered by the push rod (29) to drive the hydraulic cylinder (17) to work through the controller;

a code scanner for identifying book information in the book receiving disc (21) is installed in the reading table (2), the code scanner is connected with the controller, the code scanner can identify and store the book information in the book receiving disc (21), an identity information collector is installed on the reading table (2) and can collect and store the identity information of a user, the identity information collector is connected with the controller, and the controller can store the collected and stored book information and reading progress information in corresponding reading records of the user;

the left end of the reading table (2) is connected with a book storage box (31), and the right end is connected with a collecting box (32).

2. The library reading table of claim 1, wherein the lifting device comprises four fixing rods (33) connected to the bottom of the reading table (2), and further comprises sleeve rods (34) connected to the base (1) and slidably engaged with the four fixing rods (33), the reading table (2) is connected to a lead screw (35) at the lower end thereof, the lead screw (35) is in threaded engagement with a lead screw sleeve (36) rotatably connected to the base (1), the lead screw sleeve (36) is externally and coaxially connected to a fourth gear (37), the fourth gear (37) is engaged with a fifth gear (38) rotatably connected to the base (1), the fifth gear (38) is coaxially connected to a first bevel gear (39), the base (1) is transversely and rotatably connected to a main shaft (40), and a second bevel gear engaged with the first bevel gear (39) is rotatably connected to the main shaft (40) from left to right (41) And a third bevel gear (42), the second bevel gear (41) is coaxially connected with a first tooth-shaped tooth (43) which is sleeved on the outer side of the main shaft (40) and is arranged towards the central direction, the third bevel gear (42) is coaxially connected with a second tooth-shaped tooth (44) which is sleeved on the outer side of the main shaft (40) and is arranged towards the central direction, the main shaft (40) is connected with a shaft collar (45) which is arranged between the second bevel gear (41) and the third bevel gear (42) through a spline, two ends of the shaft collar (45) are respectively connected with a third tooth-shaped tooth (46) which is engaged with the first tooth-shaped tooth (43) and the second tooth-shaped tooth (44), the shaft collar (45) is externally connected with a shaft sleeve (47) in a rotating way, the base (1) is connected with a swinging rod (48) in a rotating way, and a third spring (49) is connected between the swinging rod (48) and the shaft sleeve (47), two sides of the swing rod (48) are connected with stop levers (50) used for limiting the swing angle of the swing rod (48), the requirement that the movement of a driving shaft ring (45) of the swing rod (48) enables third tooth-shaped teeth (46) and tooth-shaped teeth on the corresponding side to be meshed for transmission is met, an inner ratchet wheel (51) is coaxially fixed on the main shaft (40), the main shaft (40) is rotatably connected with a pawl (52) matched with the inner ratchet wheel (51), a foot pedal (53) is coaxially connected outside a rotating shaft of the pawl (52), and a fourth spring (54) is connected between the bottom of the foot pedal (53) and the base (1).

3. A library reading table according to claim 1, wherein the holding means comprises a rectangular plate (55) hinged to the rear end of the reading table (2), the right side of the rectangular plate (55) is slidably connected with a clamping pin (56) along the length direction of the side surface thereof, a fifth spring (57) is connected between the upper end of the clamping pin (56) and the side wall of the rectangular plate (55), the right end of the reading table (2) is connected with a clamping disc (58), the clamping disc (58) is circumferentially provided with a plurality of sets of clamping grooves (59) matched with the clamping pin (56), the upper end of the rectangular plate (55) is provided with a plurality of sets of clamping plates (60) at intervals along the length direction, and the clamping plates (60) are connected with the rectangular plate (55) through torsion springs.