CN106913088B - A kind of novel solid lifting book shelf - Google Patents
A kind of novel solid lifting book shelf Download PDFInfo
- Publication number
- CN106913088B CN106913088B CN201710130262.3A CN201710130262A CN106913088B CN 106913088 B CN106913088 B CN 106913088B CN 201710130262 A CN201710130262 A CN 201710130262A CN 106913088 B CN106913088 B CN 106913088B
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- CN
- China
- Prior art keywords
- bookshelf
- lifting
- support frame
- books
- novel solid
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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.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B51/00—Cabinets with means for moving compartments up and down
Abstract
The invention discloses a kind of novel solid lifting book shelfs, including support frame, guide rail is equipped at left and right sides of support frame bottom, the front-end and back-end of guide rail are all provided with limit switches, guide rail upper end offers guide groove, and guide groove connects lower bookshelf by leading block, respectively offers two sliding slots at left and right sides of support frame top, sliding slot connects bookshelf by lifting pulley, and assembly case is equipped at the top of support frame.The present invention uses such lifting structure, keeps bookshelf lifting more steady, safer and easy to operate, and reader can choose required books with Self-operating, reduces and occupies librarian's time, structure arrangement is reasonable, reduces space hold.Extrusion structure is slided using books, it avoids because bookshelf is mobile or because books are scattered or chaotic phenomenon caused by the placement space books are less, it ensures the regularity that books are placed, facilitates librarian to manage books, while easy-to-read person selects and find required books.
Description
Technical field
The present invention relates to book management field, specifically a kind of novel solid lifting book shelf.
Background technique
Educationist says: book is the key of wisdom.Politician says: book is the life in epoch.Economist says: book is the letter got rich
Breath.Writer says: book is the tonic of the mankind.The historian says: book is progressive ladder.Fighter says: book is the guide of life.It visits
Rope person says: book is the ship for leading to other shore.Perplexed person says: book be in the minds of Venus.Students are said: book is the teacher not being open.
The person of seeking knowledge says: when book is starvation " tasty food ".People, which wants to improve, oneself will constantly read, and library is that book capacity is very big
Place, can satisfy the aspiration to knowledge of people.
Currently, library has a problem that, that is, book is taken to put the inconvenience of books, relatively large library, the number of collected books
Mesh is huger, and in order to save space, bookshelf is often very high, high-rise books, and it is obviously pretty troublesome for the pick-and-place of reader, and
The method for picking and placing high-rise books, which often hoists to put up a ladder, to be picked and placed, and needs to carry out eminence work since reader picks and places books
Industry just produces biggish security risk in this way, and wastes reader's time, reduces work and study efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of novel solid lifting book shelfs, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of novel solid lifting book shelf, including support frame, are equipped with guide rail at left and right sides of support frame bottom, before guide rail
End and rear end are all provided with limit switches, and guide rail upper end offers guide groove, and guide groove connects lower bookshelf, lower bookshelf bottom by leading block
End front side is equipped with supporting leg, connects transmission shaft by bearing between supporting leg, and transmission shaft is equipped with movable pulley, and transmission shaft middle part is set
There is a driven pulley, lower bookshelf center bottom is equipped with mobile motor, mobile motor axis is equipped in mobile motor, on mobile motor axis
Equipped with drive pulley, drive pulley connects driven pulley by driving belt, at least provided under one piece inside lower bookshelf
Partition, respectively offers two sliding slots at left and right sides of support frame top, and sliding slot is by lifting pulley connection bookshelf, in sliding slot
Top and bottom be all provided with limit switches, bookshelf bottom end is equipped with pressure sensor, at least provided on one piece inside bookshelf
The bottom of partition, top and lower clapboard inside the bottom on top, upper spacer inside bookshelf, lower bookshelf is equipped with sliding rail,
Sliding rail is equipped with sliding connection block, and the bottom end connection of sliding connection block erects backup plate, erects backup plate lower part two sides and offer bullet
Spring fixed mounting hole, interior be equipped with of spring fixed mounting hole squeeze spring, and extruding spring, which connects, buffers stripper plate, before sliding connection block
Side offers pin hole, and pin hole connects positioning pin by position block, and positioning pin front end is equipped with pull ring, is arranged with positioning on positioning pin
Spring, positioning pin rear end are equipped with spring block, and two sides are equipped with drop handle at the top of bookshelf, and assembly case, dress are equipped at the top of support frame
It is equipped with lifting motor with case inside left, lifting motor axis is equipped in lifting motor, lifting motor axis is connected by first shaft coupling
The shaft in worm and gear self-locking speed-down device is connect, shaft connects the Scroll on steel cable coiler, worm gear by second shaft coupling
The bottom end of worm screw self-locking speed-down device and steel cable coiler is set in the inner bottom surface of assembly case, and steel cable coiler is connected by steel cable
Drop handle is connect, is equipped with control switch on front side of support frame.
As a further solution of the present invention: the section of support frame as described above is 'concave' font.
As a further solution of the present invention: the quantity of the supporting leg is two, and two supporting legs are located at lower book
The left and right sides of frame bottom end.
As a further solution of the present invention: the quantity of the movable pulley is two, and two movable pulleys are located at transmission
Axis both ends.
As a further solution of the present invention: being arranged in parallel between the lower clapboard.
As a further solution of the present invention: two sliding slots positioned at support frame the same side are arranged in parallel.
As a further solution of the present invention: there are two lifting pulleys to connect bookshelf in the every sliding slot.
As a further solution of the present invention: the every side of the setting backup plate is equipped with four spring fixed mounting holes, spring
Fixed mounting hole is square setting, and spring fixed mounting hole is located at the rectangular quadrangle in place.
As a further solution of the present invention: the shape of the positioning pin is boss-shaped.
As a further solution of the present invention: rising switch and down switch in the control switch are normally closed open
It closes.
Compared with prior art, the beneficial effects of the present invention are: the present invention uses such lifting structure, go up and down bookshelf
More steady, safer and easy to operate, reader can choose required books with Self-operating, reduce and occupy books
Administrator's time, structure arrangement is reasonable, reduces space hold.Slide extrusion structure using books, avoid because bookshelf is mobile or
Because books are scattered caused by the placement space books are less or chaotic phenomenon, the regularity that guarantee books are placed are convenient
Librarian manages books, reduces the workload of librarian's finishing book, preferably completes it convenient for librarian
He works, while easy-to-read person selects and find required books.
Detailed description of the invention
Fig. 1 is novel solid lifting book shelf structure sectional view；
Fig. 2 is novel solid lifting book shelf structure sectional view；
Fig. 3 is partial sectional view at A in novel solid lifting book shelf；
Fig. 4 is structural schematic diagram at A in novel solid lifting book shelf；
Fig. 5 is the sectional view of support frame in novel solid lifting book shelf.
In figure: 1- driven pulley, 2- drive pulley, 3- mobile motor, 4- movable pulley, 5- guide rail, 6- leading block,
Bookshelf under 7- sliding rail, 8- lower clapboard, 9-, 10- bookshelf, 11- upper spacer, 12- sliding slot, 13- lifting pulley, 14- lifting motor,
15- first shaft coupling, 16- worm and gear self-locking speed-down device, 17- second shaft coupling, 18- steel cable coiler, 19- drop handle, 20- dress
Backup plate, 25- support frame, 26- supporting leg, 27- transmission are erect with case, 21- sliding connection block, 22- positioning pin, 23- pull ring, 24-
Axis, 28- buffering stripper plate, 29- squeeze spring, 30- driving belt, 31- retaining spring, 32- spring block, 33- limit switch,
34- position block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, carries out to the technical solution in inventive embodiments clear, complete
Ground description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Base
In the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, shall fall within the protection scope of the present invention.
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of novel solid lifting book shelf, including support frame 25, support frame
25 section is 'concave' font, is equipped with guide rail 5 at left and right sides of 25 bottom of support frame, the front-end and back-end of guide rail 5 are all provided with limited
Bit switch 33,5 upper end of guide rail offer guide groove, and guide groove connects lower bookshelf 9 by leading block 6, is equipped on front side of lower 9 bottom end of bookshelf
Supporting leg 26, the quantity of supporting leg 26 are two, and two supporting legs point 26 Wei Yu not play the left and right sides of 9 bottom end of bookshelf, support
Transmission shaft 27 is connected by bearing between leg 26, transmission shaft 27 is equipped with movable pulley 4, and the quantity of movable pulley 4 is two, two shiftings
Driving wheel 4 is located at 27 both ends of transmission shaft, and driven pulley 1 is equipped in the middle part of transmission shaft 27, and lower 9 center bottom of bookshelf is equipped with movement
Motor 3, mobile motor 3 is interior to be equipped with mobile motor axis, and mobile motor axis is equipped with drive pulley 2, and drive pulley 2 passes through biography
Dynamic belt 30 connects driven pulley 1, at least provided with one piece of lower clapboard 8 inside lower bookshelf 9, is arranged in parallel, props up between lower clapboard 8
Two sliding slots 12 are respectively offered at left and right sides of 25 top of support, two sliding slots 12 positioned at 25 the same side of support frame are set in parallel
It sets, sliding slot 12 connects bookshelf 10 by lifting pulley 13, and there are two lifting pulleys 13 to connect bookshelf in every sliding slot 12
10, the top and bottom in sliding slot 12 are all provided with limit switches 33, and 10 bottom end of bookshelf is equipped with pressure sensor, in bookshelf 10
Portion at least provided with one piece of upper spacer 11, top inside the bottom on top, upper spacer 11 inside bookshelf 10, lower bookshelf 9 and
The bottom of lower clapboard 8 is equipped with sliding rail 7, and sliding rail 7 is equipped with sliding connection block 21, and the bottom end connection of sliding connection block 21, which is erect, leans on
Plate 24 erects 24 lower part two sides of backup plate and offers spring fixed mounting hole, it is solid equipped with four springs to erect the every side of backup plate 24
Determine mounting hole, spring fixed mounting hole is square setting, and spring fixed mounting hole is located at the rectangular quadrangle in place, the fixed peace of spring
It fills to be equipped in hole and squeezes spring 29, squeeze the connection buffering stripper plate 28 of spring 29, offer pin hole on front side of sliding connection block 21, sell
Hole connects positioning pin 22 by position block 34, and the shape of positioning pin 22 is boss-shaped, and 22 front end of positioning pin is equipped with pull ring 23, fixed
Retaining spring 31 is arranged on the pin 22 of position, 22 rear end of positioning pin is equipped with spring block 32, and 10 top two sides of bookshelf, which are equipped with, to be mentioned
Ring 19, assembly case 20 is equipped at the top of support frame 25, and assembly 20 inside left of case is equipped with lifting motor 14, is equipped in lifting motor 14
Lifting motor axis, lifting motor axis connect the shaft in worm and gear self-locking speed-down device 16 by first shaft coupling 15, and shaft is logical
It crosses second shaft coupling 17 and connects Scroll on steel cable coiler 18, worm and gear self-locking speed-down device 16 and steel cable coiler 18
Bottom end is set in the inner bottom surface of assembly case 20, and steel cable coiler 18 connects drop handle 19 by steel cable, is set on front side of support frame 25
There is control switch, the rising switch and down switch in control switch are normally closed switch.
The present invention is stable, in the use of the present invention, books are placed in bookshelf 10 and lower bookshelf 9 by upper spacer 11
In the placement space being separated out with lower clapboard 8, after putting well, the pull ring 23 of 22 front end of positioning pin on sliding connection block 21 is pulled with hand,
Positioning pin 22 is pulled by pull ring 23, positioning pin 22 moves forward, during positioning pin 22 moves forward, the spring catch of 22 rear end of positioning pin
32 compression set spring 31 of block, when 22 rear end of positioning pin is separated with sliding rail 7, sliding connection block 21 can be moved back along sliding rail 7
It is dynamic, sliding connection block 21 is moved on to the side of last this book of placement, then decontrols pull ring 23, positioning pin 22 is in retaining spring
Sliding rail 7 is squeezed under the action of 31, the position of sliding connection block 21 is just defined.The setting backup plate of 21 lower end of sliding connection block at this time
The buffering stripper plate 28 of 24 bottoms is adjacent to books under the action of squeezing spring 29, plays the role of stable books, avoids because of book
Frame is mobile or because books are scattered caused by the placement space books are less or chaotic phenomenon, guarantee books are placed whole
Homogeneous, facilitate librarian manage books, reduce librarian's finishing book workload, save librarian when
Between, other work are preferably completed convenient for librarian, while easy-to-read person selects and find required books.Reader
The books in lower bookshelf 9 can be normally read, if reader needs to read 10 inner higher books of bookshelf, press support
Down switch in 25 front side control switch of frame, the first lifting motor 14 inside assembly case 20 start, in lifting motor 14
The rotation of lifting motor axis, lifting motor rotate the shaft in worm and gear self-locking speed-down device 16 by first shaft coupling 15, turn
Axis rotates steel cable coiler 18 by second shaft coupling 17, and steel cable coiler 18 winds steel cable, and steel cable will be upper by drop handle 19
10 pull-up of bookshelf, lifting pulley 13 on bookshelf 10 upward sliding in sliding slot 12, is slided when lifting pulley 13 touches to be located at
After the limit switch 33 of 12 inner upper end of slot, lifting motor 14 stops operating, and steel cable coiler 18 is in worm and gear self-locking speed-down
It stops operating under the action of device 16, bookshelf 10 is then fixed in this position.Then the mobile motor 3 of 9 bottom of bookshelf is played to pass through
Mobile motor axis rotates drive pulley 2, and drive pulley 2 rotates driven pulley 1 by driving belt 30, driven skin
Belt wheel 1 drives transmission shaft 27 to rotate, and transmission shaft 27 drives movable pulley 4 to rotate, and moves forward lower bookshelf 9, when leading block 6 touches
When encountering the limit switch 33 of 5 front end of guide rail, mobile motor 3 stops operating.Then lifting motor 14 rotates backward, lifting motor
14 rotate the shaft in worm and gear self-locking speed-down device 16 by first shaft coupling 15, and shaft makes steel by second shaft coupling 17
Coiler 18 of restricting rotates, and steel cable is unfolded in steel cable coiler 18, and bookshelf 10 slowly declines under the action of steel cable, when bookshelf 10
When dropping to suitable position, down switch is unclamped, lifting motor 14 stops operating, and steel cable coiler 18 is self-locking in worm and gear
It stops operating under the action of retarder 16, steel cable keeps bookshelf 10 in this position by drop handle 19.When reader removes institute
After needing books, rising switch is pressed, bookshelf 10 moves up under the action of lifting motor 14, when the lifting in sliding slot 12 is sliding
After wheel 13 touches the limit switch 33 of 12 inner upper end of sliding slot, lifting motor 14 stops operating, and bookshelf 10 is then parked in this position
Set, then lower bookshelf 9 under the action of mobile motor 3 to moving inside support frame 25, when the guiding in 5 upper end guide groove of guide rail is sliding
Wheel 6 touches after the limit switch 33 of 5 rear end of guide rail, and mobile motor 3 stops operating, and then lifting motor 14 reversely revolves
Turn, bookshelf 10 slowly drops to the top of lower bookshelf 9 under the action of steel cable on steel cable coiler 18, when 10 bottom of bookshelf
When the pressure of pressure sensor reaches certain value, lifting motor 14 stops operating.The present invention uses such lifting structure, makes to submit a written statement to a higher authority
The lifting of frame 10 is more steady, safer and easy to operate, and reader can choose required books with Self-operating, reduces
Librarian's time is occupied, structure arrangement is reasonable, reduces space hold.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of novel solid lifting book shelf, including support frame, which is characterized in that be equipped with and lead at left and right sides of support frame bottom
Rail, the front-end and back-end of guide rail are all provided with limit switches, and guide rail upper end offers guide groove, and guide groove connects lower book by leading block
Frame, is equipped with supporting leg on front side of lower bookshelf bottom end, connects transmission shaft by bearing between supporting leg, transmission shaft equipped with movable pulley,
Driven pulley is equipped in the middle part of transmission shaft, lower bookshelf center bottom is equipped with mobile motor, is equipped with mobile motor axis in mobile motor,
Mobile motor axis is equipped with drive pulley, and drive pulley connects driven pulley by driving belt, and lower bookshelf inside is extremely
It is equipped with one piece of lower clapboard less, two sliding slots are respectively offered at left and right sides of support frame top, sliding slot is connected by lifting pulley
Bookshelf, the top and bottom in sliding slot are all provided with limit switches, and bookshelf bottom end is equipped with pressure sensor, inside bookshelf extremely
It is equipped with one piece of upper spacer less, the bottom on top and lower clapboard inside the bottom on top, upper spacer inside bookshelf, lower bookshelf
It is equipped with sliding rail, sliding rail is equipped with sliding connection block, and the bottom end connection of sliding connection block erects backup plate, erects backup plate lower part two sides
Spring fixed mounting hole is offered, is equipped in spring fixed mounting hole and squeezes spring, squeezes spring connection buffering stripper plate, it is sliding
Offer pin hole on front side of dynamic link block, pin hole connects positioning pin by position block, and positioning pin front end is equipped with pull ring, on positioning pin
It is arranged with retaining spring, positioning pin rear end is equipped with spring block, and two sides are equipped with drop handle at the top of bookshelf, is equipped at the top of support frame
Case is assembled, assembly case inside left is equipped with lifting motor, lifting motor axis is equipped in lifting motor, and lifting motor axis passes through first
Shaft coupling connects the shaft in worm and gear self-locking speed-down device, and shaft connects the winding on steel cable coiler by second shaft coupling
The bottom end of axis, worm and gear self-locking speed-down device and steel cable coiler is set in the inner bottom surface of assembly case, and steel cable coiler is logical
Steel cable connection drop handle is crossed, is equipped with control switch on front side of support frame.
2. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that the section of support frame as described above is
'concave' font.
3. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that the quantity of the supporting leg is two
A, two supporting legs are located at the left and right sides of lower bookshelf bottom end.
4. a kind of novel solid lifting book shelf according to claim 1 or 3, which is characterized in that the quantity of the movable pulley
It is two, two movable pulleys are located at both ends of the drive shaft.
5. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that set in parallel between the lower clapboard
It sets.
6. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that described to be located at support frame the same side
Two sliding slots be arranged in parallel.
7. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that have two in the every sliding slot
A lifting pulley connects bookshelf.
8. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that the every side of the setting backup plate is set
There are four spring fixed mounting hole, spring fixed mounting hole is square setting, and spring fixed mounting hole is located at rectangular four in place
Angle.
9. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that the shape of the positioning pin is convex
Mesa-shaped.
10. a kind of novel solid lifting book shelf according to claim 1, which is characterized in that upper in the control switch
It rises switch and down switch is normally closed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130262.3A CN106913088B (en) | 2017-03-07 | 2017-03-07 | A kind of novel solid lifting book shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130262.3A CN106913088B (en) | 2017-03-07 | 2017-03-07 | A kind of novel solid lifting book shelf |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106913088A CN106913088A (en) | 2017-07-04 |
| CN106913088B true CN106913088B (en) | 2019-02-22 |
Family
ID=59461719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710130262.3A Active CN106913088B (en) | 2017-03-07 | 2017-03-07 | A kind of novel solid lifting book shelf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106913088B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822336A (en) * | 2017-11-17 | 2018-03-23 | 王鹏 | A kind of lifting book shelf |
| CN107920443B (en) * | 2017-11-17 | 2019-10-29 | 常州信息职业技术学院 | A kind of outdoor communication cabinet with anti-soaking function |
| CN108523555A (en) * | 2018-05-21 | 2018-09-14 | 佛山市业鹏机械有限公司 | A kind of reading room book borrowing and reading display systems |
| CN108937176A (en) * | 2018-08-10 | 2018-12-07 | 安徽新网讯科技发展有限公司 | A kind of dedicated Multifunctional rack of household items |
| CN110881794B (en) * | 2019-12-16 | 2021-03-09 | 曹媞 | Manpower resource management filing cabinet |
| CN111227539A (en) * | 2020-03-09 | 2020-06-05 | 韦雪 | Electric power material storage cabinet |
| CN111227531A (en) * | 2020-03-27 | 2020-06-05 | 河南财政金融学院 | Automatic book arranging bookshelf |
| CN111802818A (en) * | 2020-07-21 | 2020-10-23 | 江西远大保险设备实业集团有限公司 | Multifunctional office file cabinet |
| CN112869400B (en) * | 2021-01-28 | 2022-08-23 | 日照职业技术学院 | A file cabinet that is used for mathematical study can hide secret file |
| CN113413020B (en) * | 2021-03-14 | 2023-01-17 | 潍坊工程职业学院 | Bill classifying and storing device for accountants and using method thereof |
| CN114376354A (en) * | 2022-01-26 | 2022-04-22 | 安徽信息工程学院 | Movable library bookshelf |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100088116A (en) * | 2010-07-14 | 2010-08-06 | 김국환 | Variable system of a display stand |
| CN203106295U (en) * | 2013-03-11 | 2013-08-07 | 嘉兴职业技术学院 | Bookshelf for library |
| CN204169352U (en) * | 2014-10-15 | 2015-02-25 | 浙江工贸职业技术学院 | A kind of lift compression bookshelf |
| CN204393810U (en) * | 2015-02-05 | 2015-06-17 | 何华 | With the bookshelf of elevating function |
| CN205053296U (en) * | 2015-10-19 | 2016-03-02 | 东北大学 | Over -and -under type book case |
-
2017
- 2017-03-07 CN CN201710130262.3A patent/CN106913088B/en active Active
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| Publication number | Publication date |
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| CN106913088A (en) | 2017-07-04 |
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Address after: 241000 No.3, exi Road, Sanshan Economic Development Zone, Wuhu City, Anhui Province Patentee after: Zhao Jiaqi Address before: 277500 No.35, dormitory of health school, No.56 Beiguan Street, Tengzhou City, Zaozhuang City, Shandong Province Patentee before: Zhao Jiaqi |