CN214692083U - Book collecting and arranging device based on library - Google Patents
Book collecting and arranging device based on library Download PDFInfo
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- CN214692083U CN214692083U CN202121175095.2U CN202121175095U CN214692083U CN 214692083 U CN214692083 U CN 214692083U CN 202121175095 U CN202121175095 U CN 202121175095U CN 214692083 U CN214692083 U CN 214692083U
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Abstract
The utility model discloses a book collecting and arranging device based on a library, which comprises a base, wherein a book placing box with the left side being an opening setting is fixedly arranged on the right side of the base, two walking wheels are respectively rotatably arranged on one side of the bottom of the base and the bottom of the book placing box, a U-shaped handle which is obliquely arranged is fixedly connected on the left side of the base, and a height adjusting mechanism and a clamping pushing mechanism matched with the height adjusting mechanism are arranged above the base; the height adjusting mechanism comprises a clip frame fixedly installed on one side of the top of the base, a first screw rod is installed between the inner wall of the top of the clip frame and the inner wall of the bottom of the clip frame in a rotating mode, and a first driving motor is fixedly connected to the top of the clip frame. The utility model relates to a rationally, be convenient for carry out the centre gripping to books automatically and get the operation of putting, and when placing, can release books automatically, avoid personnel to ascend a height and place the potential safety hazard of bringing, improve work efficiency when liberating the manpower, satisfy the user demand.
Description
Technical Field
The utility model relates to a receive and arrange books equipment technical field, especially relate to a receive and arrange books device based on library.
Background
Along with the development of society, people understand the importance of knowledge in the current generation more and more, so more and more people choose to go to a library to enrich themselves in the free time of themselves, and as the number of people in the library increases, more and more books are provided, but as the number of books in the library increases, a plurality of large-scale bookshelves need to be configured to meet the needs, the existing large-scale bookshelves are mostly higher and divided into a plurality of layers, the books are placed in each layer for readers to take down and borrow, and in order to improve the reading range of the people, the books on the bookshelves need to be updated regularly;
the staff of current library management work is when changing high-rise book, and it is usually that the staff need get with the help of chair or ladder and put the book, and the mode danger coefficient that personnel got to put is high, is unfavorable for library's managers to the work of putting on shelf of books, and wastes time and energy, can not satisfy the user demand, therefore we have proposed the book device of arranging based on library and be used for solving above-mentioned problem.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art, and providing a book collecting and arranging device based on a library.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the book collecting and arranging device based on the library comprises a base, wherein a book placing box with an opening on the left side is fixedly arranged on the right side of the base, two walking wheels are rotatably arranged on one side of the bottom of the base and the bottom of the book placing box, an obliquely arranged U-shaped handle is fixedly connected to the left side of the base, and a height adjusting mechanism and a clamping and pushing mechanism matched with the height adjusting mechanism are arranged above the base;
the height adjusting mechanism comprises a clip frame fixedly installed on one side of the top of the base, a first screw rod is rotatably installed between the inner wall of the top and the inner wall of the bottom of the clip frame, the top of the clip frame is fixedly connected with a first driving motor, the bottom end of an output shaft of the first driving motor extends into the clip frame and is fixedly connected with the top end of the first screw rod, a rectangular sleeve is slidably sleeved on the clip frame, a first L-shaped positioning rod is fixedly installed on the top of the left side of the clip frame, the bottom end of the first L-shaped positioning rod is fixedly connected with one side of the top of the base, the rectangular sleeve is slidably sleeved on the first L-shaped positioning rod, a moving block located in the clip frame is fixedly connected between the inner walls of the two sides of the rectangular sleeve, and the moving block is threadedly sleeved on the first screw rod;
the clamping and pushing mechanism comprises a multi-stage electric telescopic rod fixedly arranged on the right side of a rectangular sleeve, the extending end of the multi-stage electric telescopic rod is fixedly connected with a mounting plate, the right side of the mounting plate is provided with two clamping plates, the right side of each clamping plate is provided with an inclined plane, the left side of the clamping plate positioned on the front side in the two clamping plates is fixedly connected with the right side of the mounting plate, the right side of the mounting plate is provided with a first groove with the rear side provided with an opening, a second screw rod is rotatably arranged on the inner wall of the front side of the first groove, the rear side of the mounting plate is fixedly provided with a second driving motor, the front end of an output shaft of the second driving motor is fixedly connected with the rear end of the second screw rod, a rectangular block is sleeved on the second screw rod in a threaded manner, the left side of the rectangular block is slidably arranged with the inner wall of the left side of the first groove, the right side of the rectangular block is fixedly connected with the left side of the clamping plate positioned on the rear side, a push block is arranged between the two clamping plates, the front side of the push block is movably contacted with the rear side of the clamping plate positioned on the front side, the left side fixedly connected with second L shape locating lever of ejector pad, the left side of second L shape locating lever extends to the left side of mounting panel, and the left side fixedly mounted of mounting panel has T shape locating lever, and second L shape locating lever sliding sleeve is established on T shape locating lever, and fixedly connected with spring between the left side of second L shape locating lever and the left side inner wall of T shape locating lever, spring movable sleeve establish on T shape locating lever, and the right side of mounting panel is seted up flutedly, and the recess cooperatees with the ejector pad.
Preferably, the top of the moving block is provided with a first threaded hole, and the first threaded hole is in threaded connection with the first screw rod.
Preferably, a first rectangular hole is formed in one side of the top of the rectangular sleeve, and the inner wall of the first rectangular hole is in sliding connection with the outer side of the first L-shaped positioning rod.
Preferably, the front side of the rectangular block is provided with a second threaded hole, the second threaded hole is in threaded connection with a second screw rod, a T-shaped sliding rail is fixedly mounted on the inner wall of the left side of the first groove, the left side of the rectangular block is provided with a T-shaped sliding groove, the front side and the rear side of the T-shaped sliding groove are both provided with openings, and the T-shaped sliding rail is in sliding connection with the T-shaped sliding groove.
Preferably, a bearing is fixedly connected to the inner wall of the front side of the first groove, the inner side of an inner ring of the bearing is fixedly connected to the outer side of the second screw rod, an L-shaped mounting rod is fixedly connected to the rear side of the mounting plate, and the inner wall of the rear side of the L-shaped mounting rod is fixedly connected to the rear side of the second drive motor.
Preferably, one side that two splint are close to each other all bonds and is fixed with first non-slip rubber, and the right side bonding of ejector pad is fixed with second non-slip rubber.
Preferably, a second rectangular hole is formed in the inner wall of the left side of the groove, and the inner wall of the second rectangular hole is in sliding connection with the outer side of the second L-shaped positioning rod.
Preferably, a third rectangular hole is formed in the inner wall of the left side of the second L-shaped positioning rod, and the inner wall of the third rectangular hole is in sliding connection with the outer side of the T-shaped positioning rod.
Compared with the prior art, the beneficial effects of the utility model are that:
through the matching of a base, a clip frame, a first screw rod, a first L-shaped positioning rod, a rectangular sleeve, a moving block, a first driving motor, a multi-stage electric telescopic rod, a clamping plate, a rectangular block, a first groove, a second screw rod, a second driving motor, a second L-shaped positioning rod, a T-shaped positioning rod, a spring, a pushing block and a mounting plate with a book placing box, when a book is taken down, a U-shaped handle is pushed to move the whole device to a required position through four walking wheels, then the first driving motor is started in the forward direction to drive the first screw rod to rotate, the first screw rod drives the moving block to move downwards, the moving block drives the multi-stage electric telescopic rod to move downwards through the rectangular sleeve, the multi-stage electric telescopic rod drives two clamping plates to move downwards to be aligned with the book to be taken and placed through the mounting plate, then the first driving motor is stopped, the multi-stage electric telescopic rod is started in the forward direction to drive two clamping plates to be inserted into two sides of the book to be taken through the mounting plate, meanwhile, the mounting plate drives the push block and the second anti-skid rubber sheet to move rightwards through the second L-shaped positioning rod until the mounting plate is contacted with the left side of the book, the push block is limited to move rightwards continuously, the mounting plate which moves rightwards continuously drives the T-shaped positioning rod to slide rightwards in the third rectangular hole and compress the spring, the second driving motor is started in the forward direction, the second driving motor drives the second screw rod to rotate, the second screw rod rotates to drive the rectangular block to move forwards, and the rectangular block drives the clamping plate on the rear side and the first anti-skid rubber sheet on the rear side to move forwards and clamp and fix the book;
after that, reversely start multistage electric telescopic handle, make two splint centre grippings books that need take off shift out in following the book shelf left, continue forward to start first driving motor next, make two splint centre gripping books when moving down and placing the case with books and align, forward starts multistage electric telescopic handle again, make two splint centre gripping books move right to books place the incasement, reversely start second driving motor next, make the splint that are located the rear side drive the first anti-skidding rubber that is located the rear side change into backward movement and relax the centre gripping to books, the elasticity of spring drives ejector pad and second anti-skidding rubber through second L shape locating lever and pushes out books from between two splint right to books place the incasement, get the books and accomplish, can repeat above-mentioned operation this moment, place new books on the book shelf.
The utility model relates to a rationally, be convenient for carry out the centre gripping to books automatically and get the operation of putting, and when placing, can release books automatically, avoid personnel to ascend a height and place the potential safety hazard of bringing, improve work efficiency when liberating the manpower, satisfy the user demand.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a book collecting and arranging device based on a library according to the present invention;
fig. 2 is the utility model provides a receive and arrange books device's centre gripping pushing mechanism's section structure schematic diagram overlooking based on library.
In the figure: 100 bases, 1 clip frame, 2 first screw rods, 3 first L-shaped positioning rods, 4 rectangular sleeves, 5 moving blocks, 6 first driving motors, 7 multi-stage electric telescopic rods, 8 clamping plates, 9 rectangular blocks, 10 first grooves, 11 second screw rods, 12 second driving motors, 13 second L-shaped positioning rods, 14T-shaped positioning rods, 15 springs, 16 pushing blocks, 17 mounting plates and 18 book placing boxes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, the book collecting and arranging device based on a library comprises a base 100, a book placing box 18 with an opening on the left side is fixedly installed on the right side of the base 100, two walking wheels are rotatably installed on one side of the bottom of the base 100 and the bottom of the book placing box 18, an obliquely arranged U-shaped handle is fixedly connected to the left side of the base 100, and a height adjusting mechanism and a clamping and pushing mechanism matched with the height adjusting mechanism are arranged above the base 100;
the height adjusting mechanism comprises a clip frame 1 fixedly installed on one side of the top of the base 100, a first screw rod 2 is rotatably installed between the inner wall of the top and the inner wall of the bottom of the clip frame 1, a first driving motor 6 is fixedly connected to the top of the clip frame 6, the bottom end of an output shaft of the first driving motor 6 extends into the clip frame 1 and is fixedly connected with the top end of the first screw rod 2, a rectangular sleeve 4 is slidably sleeved on the clip frame 1, a first L-shaped positioning rod 3 is fixedly installed on the top of the left side of the clip frame 1, the bottom end of the first L-shaped positioning rod 3 is fixedly connected with one side of the top of the base 100, the rectangular sleeve 4 is slidably sleeved on the first L-shaped positioning rod 3, a moving block 5 located in the clip frame 1 is fixedly connected between the inner walls of the two sides of the rectangular sleeve 4, and the moving block 5 is threadedly sleeved on the first screw rod 2;
the clamping and pushing mechanism comprises a multi-stage electric telescopic rod 7 fixedly arranged on the right side of a rectangular sleeve 4, an extending end of the multi-stage electric telescopic rod 7 is fixedly connected with a mounting plate 17, the right side of the mounting plate 17 is provided with two clamping plates 8, the right side of each clamping plate 8 is an inclined plane, the left side of the clamping plate 8 positioned on the front side in the two clamping plates 8 is fixedly connected with the right side of the mounting plate 17, the right side of the mounting plate 17 is provided with a first groove 10 with the rear side being provided with an opening, a second screw rod 11 is rotatably arranged on the inner wall of the front side of the first groove 10, the rear side of the mounting plate 17 is fixedly provided with a second driving motor 12, the front end of an output shaft of the second driving motor 12 is fixedly connected with the rear end of the second screw rod 11, a rectangular block 9 is sleeved on the second screw rod 11 through a thread, the left side of the rectangular block 9 is slidably arranged on the inner wall of the left side of the first groove 10, the right side of the rectangular block 9 is fixedly connected with the left side of the clamping plate 8 positioned on the rear side, a push block 16 is arranged between the two clamping plates 8, the front side of the push block 16 is movably contacted with the rear side of the clamping plate 8 positioned at the front side, the left side of the push block 16 is fixedly connected with a second L-shaped positioning rod 13, the left side of the second L-shaped positioning rod 13 extends to the left side of a mounting plate 17, the left side of the mounting plate 17 is fixedly provided with a T-shaped positioning rod 14, the second L-shaped positioning rod 13 is slidably sleeved on the T-shaped positioning rod 14, a spring 15 is fixedly connected between the left side of the second L-shaped positioning rod 13 and the inner wall of the left side of the T-shaped positioning rod 14, the spring 15 is movably sleeved on the T-shaped positioning rod 14, the right side of the mounting plate 17 is provided with a groove, and the groove is matched with the push block 16. The use requirement is met.
In the utility model, a first threaded hole is arranged at the top of the moving block 5, the first threaded hole is in threaded connection with the first screw rod 2, a first rectangular hole is arranged at one side of the top of the rectangular sleeve 4, the inner wall of the first rectangular hole is in sliding connection with the outer side of the first L-shaped positioning rod 3, a second threaded hole is arranged at the front side of the rectangular block 9, the second threaded hole is in threaded connection with the second screw rod 11, a T-shaped slide rail is fixedly arranged on the inner wall at the left side of the first groove 10, a T-shaped slide groove with an opening at the front side and an opening at the rear side is arranged at the left side of the rectangular block 9, the T-shaped slide rail is in sliding connection with the T-shaped slide groove, a bearing is fixedly connected on the inner wall at the front side of the first groove 10, the inner ring of the bearing is fixedly connected with the outer side of the second screw rod 11, an L-shaped mounting rod is fixedly connected at the rear side of the mounting plate 17, the inner wall at the rear side of the L-shaped mounting rod is fixedly connected with the rear side of the second driving motor 12, one side that two splint 8 are close to each other all bonds and is fixed with first anti-skidding rubber, and the right side bonding of ejector pad 16 is fixed with second anti-skidding rubber, has seted up the second rectangular hole on the left side inner wall of recess, the inner wall of second rectangular hole and the outside sliding connection of second L shape locating lever 13, has seted up the third rectangular hole on the left side inner wall of second L shape locating lever 13, the inner wall of third rectangular hole and the outside sliding connection of T shape locating lever 14, the utility model relates to a rationally, be convenient for carry out the centre gripping to books automatically and get the operation of putting, and when placing, can release books automatically, avoid personnel to ascend a height and place the potential safety hazard of bringing, improve work efficiency when liberating the manpower, satisfy the user demand.
The working principle is as follows: when the book clamping and pushing device is used, when a book on the book shelf needs to be taken down, the U-shaped handle is pushed to conveniently move the whole device to a required position through the four travelling wheels, firstly, the height of the clamping and pushing device is adjusted according to the height of the book, when the height is adjusted, the first driving motor 6 is started in the forward direction, the output shaft of the first driving motor 6 drives the first screw rod 2 to rotate, under the action of the first threaded hole formed in the moving block 5, the first screw rod 2 rotates to drive the moving block 5 to move downwards, the moving block 5 drives the rectangular sleeve 4 to move downwards, the rectangular sleeve 4 drives the multistage electric telescopic rod 7 to move downwards, the multistage electric telescopic rod 7 drives the mounting plate 17 to move downwards, the mounting plate 17 drives the two clamping plates 8 to move downwards to be aligned with the book to be taken and placed, the first driving motor 6 is stopped, then the multistage electric telescopic rod 7 is started in the forward direction, the output shaft of the multistage electric telescopic rod 7 drives the mounting plate 17 to move rightwards, the mounting plate 17 drives the two clamping plates 8 to be inserted into the book shelf, a book to be taken is positioned between the two clamping plates 8, the front side of the book is movably contacted with the rear side of a first anti-skid rubber sheet positioned at the front side, meanwhile, the mounting plate 17 drives the push block 16 to move rightwards through the second L-shaped positioning rod 13, the push block 16 drives the second anti-skid rubber sheet to move rightwards until the second anti-skid rubber sheet is contacted with the left side of the book, the push block 16 is limited to move rightwards continuously, the mounting plate 17 which moves rightwards continuously drives the T-shaped positioning rod 14 to slide rightwards in a third rectangular hole and compress the spring 15, the second driving motor 12 is started in the forward direction, the output shaft of the second driving motor 12 drives the second screw rod 11 to rotate, under the action of a second threaded hole formed in the rectangular block 9, the second screw rod 11 rotates to drive the rectangular block 9 to move forwards, the rectangular block 9 slides forwards on a T-shaped sliding rail, the rectangular block 9 drives the clamping plate 8 at the rear side to move forwards, the clamping plates 8 drive the first anti-skid rubber sheets on the rear side to move forwards to be in contact with the rear side of the book, and at the moment, the two clamping plates 8 are matched with the two first anti-skid rubber sheets to clamp and fix the book;
then reversely starting the multi-stage electric telescopic rod 7, driving the two clamping plates 8 to move out of the book shelf by an output shaft of the multi-stage electric telescopic rod 7 through the mounting plate 17, clamping the book to be taken down by the two clamping plates 8 to move out of the book shelf, continuously and forwardly starting the first driving motor 6 to enable the two clamping plates 8 to clamp the book to move downwards, when the book moves downwards to be aligned with the book placing box 18, positively starting the multi-stage electric telescopic rod 7 again to enable the two clamping plates 8 to clamp the book to move rightwards to the book placing box 18, then reversely starting the second driving motor 12 by personnel to enable the clamping plate 8 at the rear side to drive the first anti-skid rubber at the rear side to move backwards and release the clamping of the book, at the moment, gradually resetting the spring 15 in a compression state, driving the second L-shaped positioning rod 13 to move rightwards by the elasticity of the spring 15, l shape locating lever 13 drives ejector pad 16 and second anti-skidding rubber and promotes books right for books are released to books from between two splint 8 and are placed in the case 18, get the books and accomplish, can repeat above-mentioned operation immediately, place on the book shelf through the new books of two splint 8 centre clampings, make it to be convenient for carry out the centre gripping to books automatically and get the operation of putting, and when placing, can release books automatically, avoid personnel to ascend a height and place the potential safety hazard that brings, improve work efficiency when liberating the manpower.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The book collecting and arranging device based on the library comprises a base, wherein a book placing box with an opening on the left side is fixedly arranged on the right side of the base, and two walking wheels are rotatably arranged on one side of the bottom of the base and the bottom of the book placing box;
the height adjusting mechanism comprises a clip frame fixedly installed on one side of the top of the base, a first screw rod is rotatably installed between the inner wall of the top and the inner wall of the bottom of the clip frame, the top of the clip frame is fixedly connected with a first driving motor, the bottom end of an output shaft of the first driving motor extends into the clip frame and is fixedly connected with the top end of the first screw rod, a rectangular sleeve is slidably sleeved on the clip frame, a first L-shaped positioning rod is fixedly installed on the top of the left side of the clip frame, the bottom end of the first L-shaped positioning rod is fixedly connected with one side of the top of the base, the rectangular sleeve is slidably sleeved on the first L-shaped positioning rod, a moving block located in the clip frame is fixedly connected between the inner walls of the two sides of the rectangular sleeve, and the moving block is threadedly sleeved on the first screw rod;
the clamping and pushing mechanism comprises a multi-stage electric telescopic rod fixedly arranged on the right side of a rectangular sleeve, the extending end of the multi-stage electric telescopic rod is fixedly connected with a mounting plate, the right side of the mounting plate is provided with two clamping plates, the right side of each clamping plate is provided with an inclined plane, the left side of the clamping plate positioned on the front side in the two clamping plates is fixedly connected with the right side of the mounting plate, the right side of the mounting plate is provided with a first groove with the rear side provided with an opening, a second screw rod is rotatably arranged on the inner wall of the front side of the first groove, the rear side of the mounting plate is fixedly provided with a second driving motor, the front end of an output shaft of the second driving motor is fixedly connected with the rear end of the second screw rod, a rectangular block is sleeved on the second screw rod in a threaded manner, the left side of the rectangular block is slidably arranged with the inner wall of the left side of the first groove, the right side of the rectangular block is fixedly connected with the left side of the clamping plate positioned on the rear side, a push block is arranged between the two clamping plates, the front side of the push block is movably contacted with the rear side of the clamping plate positioned on the front side, the left side fixedly connected with second L shape locating lever of ejector pad, the left side of second L shape locating lever extends to the left side of mounting panel, and the left side fixedly mounted of mounting panel has T shape locating lever, and second L shape locating lever sliding sleeve is established on T shape locating lever, and fixedly connected with spring between the left side of second L shape locating lever and the left side inner wall of T shape locating lever, spring movable sleeve establish on T shape locating lever, and the right side of mounting panel is seted up flutedly, and the recess cooperatees with the ejector pad.
2. The library-based book collecting and arranging device of claim 1, wherein a first threaded hole is formed in the top of the moving block, and the first threaded hole is in threaded connection with the first screw rod.
3. The library-based book collecting and arranging device of claim 1, wherein a first rectangular hole is formed in one side of the top of the rectangular sleeve, and an inner wall of the first rectangular hole is slidably connected with an outer side of the first L-shaped positioning rod.
4. The library-based book collecting and arranging device of claim 1, wherein a second threaded hole is formed in the front side of the rectangular block, the second threaded hole is in threaded connection with a second screw rod, a T-shaped sliding rail is fixedly mounted on the inner wall of the left side of the first groove, a T-shaped sliding groove with an opening formed in the front side and the opening formed in the rear side is formed in the left side of the rectangular block, and the T-shaped sliding rail is in sliding connection with the T-shaped sliding groove.
5. The library-based book collecting and arranging device of claim 1, wherein a bearing is fixedly connected to a front inner wall of the first groove, an inner side of an inner ring of the bearing is fixedly connected to an outer side of the second screw rod, an L-shaped mounting rod is fixedly connected to a rear side of the mounting plate, and a rear inner wall of the L-shaped mounting rod is fixedly connected to a rear side of the second driving motor.
6. The library-based book collecting and arranging device of claim 1, wherein a first anti-slip rubber is fixedly bonded to one side of each of the two clamping plates close to each other, and a second anti-slip rubber is fixedly bonded to the right side of the pushing block.
7. The library-based book collecting and arranging device of claim 1, wherein a second rectangular hole is formed in the left inner wall of the groove, and the inner wall of the second rectangular hole is slidably connected with the outer side of the second L-shaped positioning rod.
8. The library-based book collecting and arranging device of claim 1, wherein a third rectangular hole is formed in the left inner wall of the second L-shaped positioning rod, and the inner wall of the third rectangular hole is slidably connected with the outer side of the T-shaped positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175095.2U CN214692083U (en) | 2021-05-28 | 2021-05-28 | Book collecting and arranging device based on library |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175095.2U CN214692083U (en) | 2021-05-28 | 2021-05-28 | Book collecting and arranging device based on library |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214692083U true CN214692083U (en) | 2021-11-12 |
Family
ID=78554310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121175095.2U Expired - Fee Related CN214692083U (en) | 2021-05-28 | 2021-05-28 | Book collecting and arranging device based on library |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214692083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671367A (en) * | 2022-03-30 | 2022-06-28 | 上海海关学院 | Book positioning device based on Internet |
-
2021
- 2021-05-28 CN CN202121175095.2U patent/CN214692083U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671367A (en) * | 2022-03-30 | 2022-06-28 | 上海海关学院 | Book positioning device based on Internet |
| CN114671367B (en) * | 2022-03-30 | 2024-03-12 | 上海海关学院 | Book positioning device based on Internet |
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Granted publication date: 20211112 |