CN113384086A - Multifunctional bookshelf applied to international business negotiation - Google Patents

Multifunctional bookshelf applied to international business negotiation Download PDF

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Publication number
CN113384086A
CN113384086A CN202110694895.3A CN202110694895A CN113384086A CN 113384086 A CN113384086 A CN 113384086A CN 202110694895 A CN202110694895 A CN 202110694895A CN 113384086 A CN113384086 A CN 113384086A
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CN
China
Prior art keywords
bookshelf
assembly
sliding
motor
sleeved
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110694895.3A
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Chinese (zh)
Inventor
刘海丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Industry and Trade Vocational College
Original Assignee
Zhejiang Industry and Trade Vocational College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Industry and Trade Vocational College filed Critical Zhejiang Industry and Trade Vocational College
Priority to CN202110694895.3A priority Critical patent/CN113384086A/en
Publication of CN113384086A publication Critical patent/CN113384086A/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B63/00Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B95/00Fittings for furniture
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass

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  • Warehouses Or Storage Devices (AREA)

Abstract

The invention discloses a multifunctional bookshelf applied to international business negotiation, which comprises a bookshelf, a transport platform, a pair of driving devices, a transverse moving device and a book pushing mechanism, wherein each driving device comprises a first motor, a belt transmission assembly and a rope winding assembly, each transverse moving device comprises a second motor, a base, a screw rod transmission assembly and a sliding assembly, each book pushing mechanism comprises a shell, a third motor, a worm and gear transmission assembly, a buffer assembly and a pushing assembly, the shell is fixed on the sliding assembly, the pushing assembly is connected with the worm and gear transmission assembly in a sliding mode, and the buffer assembly is sleeved on the pushing assembly. Because the traversing device and the book pushing mechanism are arranged in the device, the book pushing mechanism can be matched with the traversing device, and a book can be pushed to the transport table through the driving device, so that the transport table descends, the needed book is taken away, and the book at a high position can be taken conveniently.

Description

Multifunctional bookshelf applied to international business negotiation
Technical Field
The invention relates to a bookshelf, in particular to a multifunctional bookshelf applied to international business negotiation.
Background
The bookshelf is a special appliance for placing books. Due to different shapes and structures, the bookshelf has different names such as bookcase, book partition and the like. The bookshelf is a common tool in our life. The articles can be customized according to the required storage, and the styles of the articles can be customized besides the sizes so as to ensure the consistency of the overall styles. Alternatively, a closed storage design may be used, where a wooden wall is placed in front of the cabinet, and a number of small doors are designed into the wooden wall, and the contents of the cabinet can be viewed by pulling the small doors open. Meanwhile, the storage space recessed into the wall can be used for placing various furniture and ornaments from televisions to vases. However, the existing bookshelf has too single function and is inconvenient to take and place.
Disclosure of Invention
In view of the above, the present invention provides a multifunctional bookshelf for international business negotiation, so as to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a multifunctional bookstand for international business negotiation, comprising:
the bookshelf is internally provided with a plurality of sorting assemblies;
the transport table is arranged at the outer end of the bookshelf and is connected with the sliding groove of the bookshelf in a sliding manner;
the pair of driving devices are respectively arranged on the left side and the right side of the bookshelf, two ends of the transport platform are respectively controlled by the pair of driving devices, each driving device comprises a first motor, a belt transmission assembly and a rope winding assembly, the first motor is fixed on the side end of the bookshelf, one end of the belt transmission assembly is sleeved on the output end of the first motor, the other end of the belt transmission assembly is sleeved on a connecting shaft outside the bookshelf, the connecting shaft is arranged on a bracket of the bookshelf, the rope winding assembly is sleeved on the connecting shaft, and the lower end of the rope winding assembly is fixedly connected with the transport platform;
the transverse moving device is arranged at the top of the bookshelf and comprises a second motor, a base, a screw rod transmission assembly and a sliding assembly, the base is fixed at the top of the bookshelf, the second motor is arranged at the side end outside the base, the screw rod transmission assembly and the sliding assembly are both arranged in the base, and the sliding assembly is sleeved on the screw rod transmission assembly;
push away book mechanism, it sets up to push away book mechanism on the sliding component, it includes casing, third motor, worm gear drive assembly, buffering subassembly and promotion subassembly to push away book mechanism, the casing is fixed on the sliding component, the third motor is installed on the interior roof of casing, the both ends of worm gear drive assembly are installed respectively rear side wall in the casing with between the output of third motor, it sets up to promote the subassembly wear to establish in the casing both ends about the casing, promote the subassembly with worm gear drive assembly sliding connection, buffering subassembly cover is established promote on the subassembly.
Further, the belt transmission assembly comprises a first belt wheel, a belt and a second belt wheel, the first belt wheel is sleeved at the output end of the first motor, the second belt wheel is sleeved at one end of the connecting shaft, and two ends of the belt are respectively sleeved on the peripheries of the first belt wheel and the second belt wheel.
Furthermore, the rope winding assembly comprises a rope winding wheel, a connecting rope and a guide block, the rope winding wheel is sleeved at the other end of the connecting shaft, the guide block is fixed on the end face of the bookshelf, the connecting rope is wound on the rope winding wheel, and the connecting rope penetrates through the middle of the guide block and extends downwards to be fixedly connected with the transportation table.
Further, the screw rod transmission assembly comprises a screw rod and a nut, the screw rod is fixed at the output end of the second motor, the screw rod is accommodated in the base, and the nut is in threaded connection with the screw rod.
Furthermore, the sliding assembly comprises a guide post and a sliding seat, the guide post is mounted in the base, the guide post is located at the upper end of the screw rod, the sliding seat is connected with the guide post in a sliding mode, and the sliding seat is fixedly connected with the outer portion of the nut.
Further, the worm gear and worm transmission assembly comprises a worm and a worm wheel, the worm wheel is arranged on the rear side wall in the shell, the worm is fixedly connected with the output end of the third motor, and the worm wheel are in meshing transmission.
Furthermore, the pushing assembly comprises a sliding plate and a push rod, the push rod is arranged in the shell and penetrates through the left end and the right end of the shell, and the sliding plate is sleeved in the middle of the push rod.
Furthermore, the crank pin of the worm wheel can be in sliding connection with the curved long hole formed in the sliding plate.
Furthermore, the buffering assembly comprises a pair of spring seats and a pair of compression springs, the compression springs are all sleeved on the push rod, two ends of each compression spring are respectively abutted against the corresponding spring seats, two ends of the left spring seat are respectively arranged at the left end opening of the shell and between the left ends of the sliding plates, and two ends of the right spring seat are respectively arranged at the right end opening of the shell and between the right ends of the sliding plates.
Further, the sorting assembly comprises a plurality of check blocks, the check blocks are arranged on the shelf of the bookshelf respectively and are separated by the plurality of check blocks, each sorting assembly is provided with four check blocks, and a book is placed between every two adjacent check blocks.
The technical scheme can show that the invention has the advantages that: because the traversing device and the book pushing mechanism are arranged in the device, the book pushing mechanism can be matched with the traversing device, and a book can be pushed to the transport table through the driving device, so that the transport table descends, the needed book is taken away, and the book at a high position can be taken conveniently.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a rear view structural diagram of the present invention.
Fig. 3 is a partially enlarged view of a portion a of fig. 1.
Fig. 4 is a structural sectional view of the book pushing mechanism of the present invention.
List of reference numerals: the bookshelf 1, the chute 11, the baffle 12, the stopper 13, the book 14, the transport platform 2, the driving device 3, the first motor 31, the first belt pulley 32, the belt 33, the second belt pulley 34, the connecting shaft 35, the rope winding wheel 36, the connecting rope 361, the guide block 37, the transverse moving device 4, the second motor 41, the base 42, the guide post 43, the screw rod 44, the nut 45, the slide seat 46, the book pushing mechanism 5, the shell 51, the third motor 52, the worm 53, the worm wheel 54, the crank pin 541, the sliding plate 55, the curved long hole 551, the spring seat 56, the compression spring 57 and the push rod 58.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1 to 4, a multifunctional bookshelf for international business negotiation as shown in fig. 1 and 2 comprises a bookshelf 1, a transport platform 2, a pair of driving devices 3, a traverse device 4 and a book pushing mechanism 5, wherein a plurality of sorting assemblies are arranged in the bookshelf 1, and are arranged in parallel at intervals; the transport table 2 is arranged at the outer end of the bookshelf 1, and the transport table 2 is connected with the sliding groove 11 of the bookshelf 1 in a sliding manner; the pair of driving devices 3 are respectively arranged on the left side and the right side of the bookshelf 1, two ends of the transport platform 2 are respectively controlled by the pair of driving devices 3, each driving device 3 comprises a first motor 31, a belt transmission assembly and a rope winding assembly, the first motor 31 is fixed on the side end of the bookshelf 1 through a support plate, one end of the belt transmission assembly is sleeved on the output end of the first motor 31, the other end of the belt transmission assembly is sleeved on a connecting shaft 35 outside the bookshelf 1, the connecting shaft 35 is arranged on a support of the bookshelf 1, the rope winding assembly is sleeved on the connecting shaft 35, and the lower end of the rope winding assembly is fixedly connected with the transport platform 2; the transverse moving device 4 is arranged at the top of the bookshelf 1, the transverse moving device 4 comprises a second motor 41, a base 42, a screw rod transmission assembly and a sliding assembly, the base 42 is fixed at the top of the bookshelf 1, the second motor 41 is arranged at the side end outside the base 42, the screw rod transmission assembly and the sliding assembly are both arranged in the base 42, and the sliding assembly is sleeved on the screw rod transmission assembly; push away book mechanism 5 and set up on the sliding component, it includes casing 51, third motor 52, worm gear drive assembly, buffering subassembly and promotion subassembly to push away book mechanism 5, casing 51 is fixed on the sliding component, third motor 52 is installed on casing 51's the interior roof, the both ends of worm gear drive assembly are installed respectively rear side wall in casing 51 with between the output of third motor 52, it sets up to promote the subassembly wear to establish in casing 51 both ends about casing 51, promote the subassembly with worm gear drive assembly sliding connection, buffering subassembly cover is established promote on the subassembly.
As shown in fig. 3, the belt transmission assembly includes a first belt wheel 32, a belt 33 and a second belt wheel 34, the first belt wheel 32 is sleeved on the output end of the first motor 31, the second belt wheel 34 is sleeved on one end of the connecting shaft 35, and two ends of the belt 33 are respectively sleeved on the peripheries of the first belt wheel 32 and the second belt wheel 34.
Preferably, the rope winding assembly comprises a rope winding wheel 36, a connecting rope 361 and a guide block 37, the rope winding wheel 36 is sleeved at the other end of the connecting shaft 35, the guide block 37 is fixed on the end face of the bookshelf 1, the connecting rope 361 is wound on the rope winding wheel 36, and the connecting rope 361 penetrates through the middle of the guide block 37 and extends downwards to be fixedly connected with the transportation table 2.
Preferably, the screw transmission assembly includes a screw 44 and a nut 45, the screw 44 is fixed at the output end of the second motor 41, the screw 44 is accommodated in the base 42, and the nut 45 is in threaded connection with the screw 44.
Preferably, the sliding assembly includes a guide post 43 and a sliding seat 46, the guide post 43 is mounted in the base 42, the guide post 43 is located at the upper end of the lead screw 44, the sliding seat 46 is slidably connected with the guide post 43, and the sliding seat 46 is fixedly connected with the outer portion of the nut 45.
As shown in fig. 4, the worm gear assembly includes a worm 53 and a worm wheel 54, the worm wheel 54 is disposed on a rear side wall in the housing 51, the worm 53 is fixedly connected to an output end of the third motor 52, and the worm 53 and the worm wheel 54 are in mesh transmission.
Preferably, the pushing assembly includes a sliding plate 55 and a push rod 58, the push rod 58 is disposed in the housing 51 and penetrates through the left and right ends of the housing 51, and the sliding plate 55 is sleeved on the middle portion of the push rod 58. With the structure, the books 14 can be pushed to the lower transport table 2 in time.
Preferably, the crank pin 541 of the worm wheel 54 is slidably connected to a curved long hole 551 formed in the slide plate 55.
Preferably, the buffer assembly includes a pair of spring seats 56 and a pair of compression springs 57, the pair of compression springs 57 are all sleeved on the push rod 58, two ends of the pair of compression springs 57 respectively press against the corresponding spring seats 56, two ends of the left spring seat 56 are respectively disposed between the left opening of the housing 51 and the left end of the sliding plate 55, and two ends of the right spring seat 56 are respectively disposed between the right opening of the housing 51 and the right end of the sliding plate 55. With the above structure, when the push rod 58 moves, the pair of compression springs 57 are pressed, and a good buffering effect is achieved on the whole pushing process.
Preferably, the sorting assembly comprises a plurality of stoppers 13, the plurality of stoppers 13 are respectively disposed on the shelf of the bookshelf 1, the plurality of stoppers 13 are separated by a plurality of baffles 12, each sorting assembly has four stoppers 13, and a book 14 is placed between two adjacent stoppers 13.
The working process is as follows: when a book 14 at a high position needs to be taken down from the top of the bookshelf 1, the second motor 41 is started, the screw rod 44 rotates, the nut 45 is driven to move, the slide seat 46 moves, the book pushing mechanism 5 is driven to integrally move, the third motor 52 is stopped after the book pushing mechanism moves to a specified position, the worm 53 drives the worm wheel 54 to rotate, the sliding plate 55 moves, the push rod 58 moves, the book 14 to be taken is pushed to the transport table 2 at the lower end, the pair of compression springs 57 are extruded in the moving process of the push rod 58, a good buffering effect is achieved in the whole pushing process, at the moment, the first motor 31 is started, the first belt wheel 32 rotates, the belt 33 drives the second belt wheel 34 to rotate, the rope winding wheel 36 on the connecting shaft 35 rotates, the connecting rope 361 moves downwards, and the transport table 2 is driven to descend, the desired book 14 is removed; in summary, due to the traverse device 4 and the book pushing mechanism 5 provided in the device, the traverse device 4 can cooperate with the book pushing mechanism 5, and the book 14 can be pushed to the transport table 2 through the driving device 3, so that the transport table 2 descends, the required book 14 can be taken away, and the book 14 at a high position can be taken out conveniently.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A multifunctional bookshelf used for international business negotiation is characterized by comprising:
the bookshelf (1), wherein a plurality of sorting assemblies are arranged in the bookshelf (1);
the transportation table (2) is arranged at the outer end of the bookshelf (1), and the transportation table (2) is connected with the sliding groove (11) of the bookshelf (1) in a sliding manner;
the pair of driving devices (3) are respectively arranged on the left side and the right side of the bookshelf (1), two ends of the transport platform (2) are respectively controlled by the pair of driving devices (3), each driving device (3) comprises a first motor (31), a belt transmission assembly and a rope winding assembly, the first motor (31) is fixed at the side end of the bookshelf (1), one end of the belt transmission assembly is sleeved at the output end of the first motor (31), the other end of the belt transmission assembly is sleeved on a connecting shaft (35) outside the bookshelf (1), the connecting shaft (35) is arranged on a support of the bookshelf (1), the rope winding assembly is sleeved on the connecting shaft (35), and the lower end of the rope winding assembly is fixedly connected with the transport platform (2);
the transverse moving device (4) is arranged at the top of the bookshelf (1), the transverse moving device (4) comprises a second motor (41), a base (42), a screw rod transmission assembly and a sliding assembly, the base (42) is fixed at the top of the bookshelf (1), the second motor (41) is arranged at the side end outside the base (42), the screw rod transmission assembly and the sliding assembly are both arranged in the base (42), and the sliding assembly is sleeved on the screw rod transmission assembly;
push away book mechanism (5), it sets up to push away book mechanism (5) on the sliding component, it includes casing (51), third motor (52), worm gear drive assembly, buffering subassembly and promotion subassembly to push away book mechanism (5), casing (51) are fixed on the sliding component, third motor (52) are installed on the interior roof of casing (51), install respectively at worm gear drive assembly's both ends posterior lateral wall in casing (51) with between the output of third motor (52), it sets up to promote the subassembly in casing (51) and wear to establish both ends about casing (51), promote the subassembly with worm gear drive assembly sliding connection, buffering subassembly cover is established promote on the subassembly.
2. The multifunctional bookshelf applied to international business negotiation of claim 1, wherein the belt transmission assembly comprises a first belt wheel (32), a belt (33) and a second belt wheel (34), the first belt wheel (32) is sleeved on the output end of the first motor (31), the second belt wheel (34) is sleeved on one end of the connecting shaft (35), and two ends of the belt (33) are sleeved on the outer peripheries of the first belt wheel (32) and the second belt wheel (34), respectively.
3. The multifunctional bookshelf applied to international business negotiation of claim 2, wherein the rope winding assembly comprises a rope winding wheel (36), a connecting rope (361) and a guide block (37), the rope winding wheel (36) is sleeved on the other end of the connecting shaft (35), the guide block (37) is fixed on the end face of the bookshelf (1), the connecting rope (361) is wound on the rope winding wheel (36), and the connecting rope (361) penetrates through the middle part of the guide block (37) and extends downwards to be fixedly connected with the transportation platform (2).
4. The multifunctional bookshelf applied to international business negotiation of claim 1, wherein the screw transmission assembly comprises a screw (44) and a nut (45), the screw (44) is fixed at the output end of the second motor (41), the screw (44) is accommodated in the base (42), and the nut (45) is in threaded connection with the screw (44).
5. The multi-functional bookshelf applied to international business affairs negotiation of claim 4, wherein the sliding assembly comprises a guide post (43) and a sliding seat (46), the guide post (43) is installed in the base (42), the guide post (43) is located at the upper end of the screw rod (44), the sliding seat (46) is slidably connected with the guide post (43), and the sliding seat (46) is fixedly connected with the outer part of the nut (45).
6. The multifunctional bookshelf applied to international business affairs negotiation of claim 1, wherein the worm gear and worm transmission assembly comprises a worm (53) and a worm wheel (54), the worm wheel (54) is arranged on the rear side wall in the shell (51), the worm (53) is fixedly connected with the output end of the third motor (52), and the worm (53) and the worm wheel (54) are in meshing transmission.
7. The multifunctional bookshelf applied to international business negotiation of claim 6, wherein the pushing assembly comprises a sliding plate (55) and a pushing rod (58), the pushing rod (58) is arranged in the shell (51) and penetrates through the left end and the right end of the shell (51), and the sliding plate (55) is sleeved on the middle of the pushing rod (58).
8. The multi-functional bookrack for international business negotiation of claim 7, wherein the crank pin (541) of the worm wheel (54) is slidably coupled to the curved slot (551) of the slide plate (55).
9. The multifunctional bookshelf applied to international business negotiation of claim 8, wherein the buffering assembly comprises a pair of spring seats (56) and a pair of compression springs (57), the pair of compression springs (57) are sleeved on the push rod (58), two ends of the pair of compression springs (57) respectively press against the corresponding spring seats (56), two ends of a left spring seat (56) are respectively arranged between the left opening of the shell (51) and the left end of the sliding plate (55), and two ends of a right spring seat (56) are respectively arranged between the right opening of the shell (51) and the right end of the sliding plate (55).
10. The multifunctional bookshelf applied to international business negotiation of claim 1, wherein the sorting assembly comprises a plurality of blocks (13), the plurality of blocks (13) are respectively arranged on the shelves of the bookshelf (1), the plurality of blocks (13) are separated by a plurality of baffles (12), each sorting assembly comprises four blocks (13), and a book (14) is placed between two adjacent blocks (13).
CN202110694895.3A 2021-06-22 2021-06-22 Multifunctional bookshelf applied to international business negotiation Withdrawn CN113384086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110694895.3A CN113384086A (en) 2021-06-22 2021-06-22 Multifunctional bookshelf applied to international business negotiation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110694895.3A CN113384086A (en) 2021-06-22 2021-06-22 Multifunctional bookshelf applied to international business negotiation

Publications (1)

Publication Number Publication Date
CN113384086A true CN113384086A (en) 2021-09-14

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CN202110694895.3A Withdrawn CN113384086A (en) 2021-06-22 2021-06-22 Multifunctional bookshelf applied to international business negotiation

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203047957U (en) * 2012-10-19 2013-07-10 天津工业大学 Bookshelf with assistant book fetching function
CN105448003A (en) * 2015-11-18 2016-03-30 浙江工商职业技术学院 Library automation positioning book returning system
CN206006497U (en) * 2016-07-19 2017-03-15 无锡职业技术学院 A kind of high bookshelf takes book bookshelf
CN107640489A (en) * 2017-08-31 2018-01-30 华北理工大学 A kind of library high-rise bookshelf for being easy to finishing book
CN210227382U (en) * 2019-03-27 2020-04-03 山东体育学院 Automatic library's bookshelf of getting book
CN210329877U (en) * 2019-06-21 2020-04-17 郑可馨 Multifunctional bookshelf capable of automatically taking books
CN111012069A (en) * 2019-10-30 2020-04-17 牡丹江师范学院 Library books intelligence access arrangement based on internet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203047957U (en) * 2012-10-19 2013-07-10 天津工业大学 Bookshelf with assistant book fetching function
CN105448003A (en) * 2015-11-18 2016-03-30 浙江工商职业技术学院 Library automation positioning book returning system
CN206006497U (en) * 2016-07-19 2017-03-15 无锡职业技术学院 A kind of high bookshelf takes book bookshelf
CN107640489A (en) * 2017-08-31 2018-01-30 华北理工大学 A kind of library high-rise bookshelf for being easy to finishing book
CN210227382U (en) * 2019-03-27 2020-04-03 山东体育学院 Automatic library's bookshelf of getting book
CN210329877U (en) * 2019-06-21 2020-04-17 郑可馨 Multifunctional bookshelf capable of automatically taking books
CN111012069A (en) * 2019-10-30 2020-04-17 牡丹江师范学院 Library books intelligence access arrangement based on internet

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Application publication date: 20210914

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