CN108784162A - A kind of teaching show stand easy to remove - Google Patents
A kind of teaching show stand easy to remove Download PDFInfo
- Publication number
- CN108784162A CN108784162A CN201810607275.XA CN201810607275A CN108784162A CN 108784162 A CN108784162 A CN 108784162A CN 201810607275 A CN201810607275 A CN 201810607275A CN 108784162 A CN108784162 A CN 108784162A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- sides
- rod
- show stand
- supporting
- Prior art date
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/10—Adjustable or foldable or dismountable display stands
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
Abstract
The present invention provides a kind of teaching show stand easy to remove, it is related to instruments used for education field, including supporting rack, the both sides of support frame as described above bottom are installed with screw rod top plate, it is provided with screw rod between two screw rod top plates, the both ends of the screw rod are flexibly connected by bearing base with screw rod top plate, the right end of the screw rod runs through supporting rack and extends to the right side of supporting rack, the right end of the screw rod is installed with screw rod rocking handle, both sides outside the screw rod are arranged with screw rod block, centre inside support frame as described above is provided with support plate, the top of support frame as described above inner cavity both sides is hinged with supporting rod, the bottom of the screw rod block is hinged with adjusting rod.The teaching show stand easy to remove coordinates the drive of supporting rod by the way that support plate is arranged, pulley is allow to lift, when needing Mobile exhibiting platform, can pulley be dropped to ground to slide, pulley can be received to supporting rack after being moved to designated position, show stand is stablized.
Description
Technical field
The present invention relates to technical field of teaching instruments, specially a kind of teaching show stand easy to remove.
Background technology
Education, the purposeful planned organized mental development to educatee of educator carries out enlightening cultivation by education, with existing
Some experiences and knowledge are weighed in people, and various phenomenons, problem or behavior are explained for it, with growing ability experience, be at all with
A kind of relative maturity of people or the thinking of rationality are treated to recognize, and things is allowed to be able to close to its most basic presence, people wherein,
Slowly to a kind of things by sense organ touch and to the state of Cognition Understanding, and formed a kind of comparatively perfect or rationality self
Conscious thinking, but simultaneously, people has the thinking in self-consciousness, and have its sense organ dimension of self, so, it is any educational
Conscious thinking may not can all be absolutely correct, and should be inductively the direction for understanding its thinking, as long as his not deviation things
Inherence, education is again a kind of teaching for thinking, and people is because of the ideology of its own, and has the thinking tendency of another sample,
It is enlightened by education in people with most objective and most just conscious thinking so education is worked as, in this way, the thinking of people is just unlikely to excessively deviation,
And because thinking it is abundant due to gradual ripe rationality, and move towards as a result, most rationality self and possess most correct thinking cognition, this
The basic place exactly educated would generally use show stand to show the teaching aid of some teaching in education；Currently on the market
Also having has teaching show stand very much, but has some show stands to be all integrally fixed at one place, can not move or move difficulty, teacher
The teaching aid shown will can not be needed to be well placed in advance, it is very inconvenient.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of teaching show stand easy to remove, above-mentioned background is solved
The problem of being proposed in technology.
（Two）Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of teaching show stand easy to remove,
Including supporting rack, the both sides of support frame as described above bottom are installed with screw rod top plate, and spiral shell is provided between two screw rod top plates
The both ends of bar, the screw rod are flexibly connected by bearing base with screw rod top plate, and the right end of the screw rod runs through supporting rack simultaneously
The right side of supporting rack is extended to, the right end of the screw rod is installed with screw rod rocking handle, and the both sides outside the screw rod are arranged
There is screw rod block.
Centre inside support frame as described above is provided with support plate, and the top of support frame as described above inner cavity both sides is hinged with support
The bottom of bar, the screw rod block is hinged with adjusting rod, and the centre of the adjusting rod one end and supporting rod far from screw rod block is hinged,
The positive both sides of support plate offer sliding rail, and the bottom of the supporting rod is slidably connected by slide-bar and sliding rail, described
The both sides of support plate bottom are installed with pulley.
It is installed with elevator chamber at the top of support frame as described above, lifting platform, the liter are provided with above the elevator chamber
The centre of drop platform bottom is installed with connecting rod, and the bottom of the connecting rod is installed with rack, the elevator chamber inner cavity top
Both sides be fixedly mounted there are two gear shaft supporting block, the bottom of the gear shaft supporting block is flexibly connected sprocket drive spindle, institute
The outer cover for stating gear shaft is equipped with gear, and the wheel and rack engagement, the gear shaft is through elevator chamber and extends to lifting
The left end in the left side of case, the gear shaft is fixedly connected with gear rocking handle.
Handle is installed on the left of support frame as described above.
Preferably, the both sides of the screw rod are both provided with the hand of spiral of screw thread and both sides on the contrary, two screw rod block difference
It is threadedly coupled with the both sides of screw rod.
Preferably, the both sides of support frame as described above inner cavity top offer the first sliding groove, pass through at the top of the screw rod block
First sliding block is slidably connected with the first sliding groove.
Preferably, the centre of support frame as described above inner cavity both sides offers second sliding slot, and the both sides of the support plate are logical
The second sliding block is crossed to be slidably connected with second sliding slot.
Preferably, the both sides of the lifting platform bottom are installed with stabiliser bar, and the stabiliser bar runs through elevator chamber simultaneously
The inside of elevator chamber is extended to, the both sides of the lifting box cavity are installed with slide bar, and the stabiliser bar is slided by stablizing
Block is connect with sliding bar.
Preferably, the centre of the elevator chamber intracavity bottom is installed with damping trough, the bottom of the damping trough inner cavity
It is installed with rubber pad with the bottom of supporting rack.
（Three）Advantageous effect
The present invention provides a kind of teaching show stands easy to remove.Has following advantageous effect：
1, the teaching show stand easy to remove coordinates the drive of supporting rod by the way that support plate is arranged, pulley is allow to lift,
When needing Mobile exhibiting platform, pulley can be dropped to ground and slided, pulley can be received after being moved to designated position to
Inside supporting rack, show stand is stablized.
2, teaching show stand easy to remove, by the way that the hand of spiral of screw rod both sides is arranged on the contrary, making two screw rods
Block is moved towards or is relatively moved simultaneously, by the way that adjusting rod is arranged, is made supporting rod that can be moved with angle and is driven support plate lifting, lead to
Setting slide-bar cooperation sliding rail is crossed, will not be stuck when supporting rod angle being made to move, coordinate second sliding slot by the way that the second sliding block is arranged, makes
Support plate is stablized when lifting.
3, the teaching show stand easy to remove allows lifting platform to rise by the way that the drive of rack mate gear is arranged
Falling tone section, by the way that damping trough compound rubber pad, damping when rack being made to decline, by the way that stabiliser bar is arranged and stablizes sliding block cooperation is arranged
Slide bar makes to stablize when lifting of lifting table.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is elevator chamber side sectional view of the present invention.
In figure：1 supporting rack, 2 screw rod top plates, 3 screw rods, 4 screw rod rocking handles, 5 screw rod blocks, 6 the first sliding grooves, 7 first sliding blocks, 8
Support plate, 9 supporting rods, 10 adjusting rods, 11 sliding rails, 12 slide-bars, 13 pulleys, 14 second sliding slots, 15 second sliding blocks, 16 elevator chambers,
17 lifting platforms, 18 connecting rods, 19 racks, 20 gear shaft supporting blocks, 21 gear shafts, 22 gears, 23 gear rocking handles, 24 stabiliser bars, 25
Sliding block, 27 damping troughs, 28 handles, 29 rubber pads are stablized in slide bar, 26.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of teaching show stand easy to remove, as shown in Figs. 1-2, including supporting rack 1, branch
The both sides of 1 bottom of support are installed with screw rod top plate 2, and screw rod 3, the both ends of screw rod 3 are provided between two screw rod top plates 2
It is flexibly connected with screw rod top plate 2 by bearing base, the right end of screw rod 3 runs through supporting rack 1 and extends to the right side of supporting rack 1
The right end of side, screw rod 3 is installed with screw rod rocking handle 4, shakes screw rod rocking handle 4 and screw rod 3 is driven to rotate, the both sides outside screw rod 3
Be arranged with screw rod block 5, the both sides of screw rod 3 be both provided with the hand of spiral of screw thread and both sides on the contrary, two screw rod blocks 5 respectively with
The both sides of screw rod 3 are threadedly coupled, and the rotation of screw rod 3 drives screw rod block 5 to move, by be arranged 3 both sides of screw rod hand of spiral on the contrary,
Make two screw rod blocks 5 while moving towards or relatively moving, the both sides of 1 inner cavity top of supporting rack offer the first sliding groove 6, spiral shell
The top of bar block 5 is slidably connected by the first sliding block 7 with the first sliding groove 6, and screw rod block 5 drives the first sliding block 7 first when moving
Sliding in sliding slot 6.
Centre inside supporting rack 1 is provided with support plate 8, and the top of 1 inner cavity both sides of supporting rack is hinged with supporting rod 9,
The bottom of screw rod block 5 is hinged with adjusting rod 10, and the centre of adjusting rod 10 one end and supporting rod 9 far from screw rod block 5 is hinged, passes through
Adjusting rod 10 is set, makes supporting rod 9 that can be moved with angle and support plate 8 is driven to lift, 8 positive both sides of support plate offer cunning
The bottom of rail 11, supporting rod 9 is slidably connected by slide-bar 12 and sliding rail 11, is coordinated sliding rail 11 by the way that slide-bar 12 is arranged, is made support
9 angle of bar will not be stuck when moving, and the both sides of 8 bottom of support plate are installed with pulley 13, is coordinated by the way that support plate 8 is arranged
The drive of supporting rod 9 allows pulley 13 to lift, and when needing Mobile exhibiting platform, can pulley 13 be dropped to ground and slided
It is dynamic, pulley 13 can be received to supporting rack 1 after being moved to designated position, show stand is stablized, in 1 inner cavity both sides of supporting rack
Between offer second sliding slot 14, the both sides of support plate 8 are slidably connected by the second sliding block 15 with second sliding slot 14, support plate
The sliding in second sliding slot 14 of the second sliding block 15 is driven when 8 lifting, is coordinated second sliding slot 14 by the way that the second sliding block 15 is arranged, is made branch
Fagging 8 is stablized when lifting.
The top of supporting rack 1 is installed with elevator chamber 16, and the top of elevator chamber 16 is provided with lifting platform 17, lifting platform 17
The centre of bottom is installed with connecting rod 18, and the bottom of connecting rod 18 is installed with rack 19, and rack 19 passes through connecting rod when lifting
18 drive lifting platforms 17 to lift, the both sides of 16 inner cavity top of elevator chamber is fixedly mounted there are two gear shaft supporting block 20, gear
The bottom of axis supporting block 20 is flexibly connected sprocket drive spindle 21, and the outer cover of gear shaft 21 is equipped with gear 22, and gear shaft 21 rotates band
Moving gear 22 rotates, and gear 22 is engaged with rack 19, and gear 22 drives the rack 19 engaged to rotate, by the way that rack 19 is arranged
The drive of mate gear 22 makes lifting platform 17 can be with lift adjustment, and gear shaft 21 is through elevator chamber 16 and extends to elevator chamber 16
Left side, the left end of gear shaft 21 is fixedly connected with gear rocking handle 23, and the both sides of 17 bottom of lifting platform are installed with stabilization
Bar 24, lifting platform 17 drive stabiliser bar 24 to lift, and stabiliser bar 24 runs through elevator chamber 16 and extends to the inside of elevator chamber 16, lifting
The both sides of 16 inner cavity of case are installed with slide bar 25, and stabiliser bar 24 is slidably connected by stablizing sliding block 26 with slide bar 25, stablize
Bar 24 is slided with dynamic stability sliding block 26 on slide bar 25, is coordinated slide bar 25 by the way that stabiliser bar 24 is arranged and stablizes sliding block 26, is made liter
Drop platform 17 is stablized when lifting, and the centre of 16 intracavity bottom of elevator chamber is installed with damping trough 27, is matched by the way that damping trough 27 is arranged
Rubber pad 29 is closed, damping when rack 19 being made to decline, the bottom of 27 inner cavity of damping trough and the bottom of supporting rack 1 are installed with rubber
The left side of rubber cushion 29, supporting rack 1 is installed with handle 28.
In conclusion the teaching show stand easy to remove, the drive of supporting rod 9 is coordinated by the way that support plate 8 is arranged, is made
Pulley 13 can lift, and when needing Mobile exhibiting platform, can pulley 13 be dropped to ground and slided, when being moved to specific bit
Postponing can receive pulley 13 to supporting rack 1, and show stand is stablized, by the way that the hand of spiral of 3 both sides of screw rod is arranged on the contrary, making two
A screw rod block 5 is moved towards or is relatively moved simultaneously, by the way that adjusting rod 10 is arranged, is made supporting rod 9 that can be moved with angle and is driven branch
Fagging 8 lifts, and coordinates sliding rail 11 by the way that slide-bar 12 is arranged, will not be stuck when 9 angle of supporting rod being made to move, and is slided by setting second
Block 15 coordinates second sliding slot 14, stablizes when support plate 8 being made to lift, and by the way that the drive of 19 mate gear 22 of rack is arranged, makes lifting
Platform 17 can be with lift adjustment, and by the way that 27 compound rubber pad 29 of damping trough is arranged, damping when rack 19 being made to decline is stablized by being arranged
Bar 24 coordinates slide bar 25 with sliding block 26 is stablized, and stablizes when lifting platform 17 being made to lift.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of teaching show stand easy to remove, including supporting rack（1）, it is characterised in that：Support frame as described above（1）Bottom
Both sides are installed with screw rod top plate（2）, two screw rod top plates（2）Between be provided with screw rod（3）, the screw rod（3）Two
End passes through bearing base and screw rod top plate（2）Flexible connection, the screw rod（3）Right end run through supporting rack（1）And it extends to
Supporting rack（1）Right side, the screw rod（3）Right end be installed with screw rod rocking handle（4）, the screw rod（3）External both sides
It is arranged with screw rod block（5）；Support frame as described above（1）Internal centre is provided with support plate（8）, support frame as described above（1）Inner cavity two
The top of side is hinged with supporting rod（9）, the screw rod block（5）Bottom be hinged with adjusting rod（10）, the adjusting rod（10）
Far from screw rod block（5）One end and supporting rod（9）Centre it is hinged, the support plate（8）Positive both sides offer sliding rail
（11）, the supporting rod（9）Bottom pass through slide-bar（12）With sliding rail（11）It is slidably connected, the support plate（8）The two of bottom
Side is installed with pulley（13）；Support frame as described above（1）Top be installed with elevator chamber（16）, the elevator chamber（16）
Top be provided with lifting platform（17）, the lifting platform（17）The centre of bottom is installed with connecting rod（18）, the connecting rod
（18）Bottom be installed with rack（19）, the elevator chamber（16）The both sides of inner cavity top are fixedly mounted there are two gear
Axis supporting block（20）, the gear shaft supporting block（20）Bottom be flexibly connected sprocket drive spindle（21）, the gear shaft（21）'s
Outer cover is equipped with gear（22）, the gear（22）With rack（19）Engagement, the gear shaft（21）Through elevator chamber（16）And
Extend to elevator chamber（16）Left side, the gear shaft（21）Left end be fixedly connected with gear rocking handle（23）；Support frame as described above
（1）Left side be installed with handle（28）.
2. a kind of teaching show stand easy to remove according to claim 1, it is characterised in that：The screw rod（3）'s
Both sides are both provided with the hand of spiral of screw thread and both sides on the contrary, two screw rod blocks（5）Respectively with screw rod（3）Both sides screw threads connect
It connects.
3. a kind of teaching show stand easy to remove according to claim 1, it is characterised in that：Support frame as described above（1）
The both sides of inner cavity top offer the first sliding groove（6）, the screw rod block（5）Top pass through the first sliding block（7）It is slided with first
Slot（6）It is slidably connected.
4. a kind of teaching show stand easy to remove according to claim 1, it is characterised in that：Support frame as described above（1）
The centre of inner cavity both sides offers second sliding slot（14）, the support plate（8）Both sides pass through the second sliding block（15）With
Two sliding slots（14）It is slidably connected.
5. a kind of teaching show stand easy to remove according to claim 1, it is characterised in that：The lifting platform（17）
The both sides of bottom are installed with stabiliser bar（24）, the stabiliser bar（24）Through elevator chamber（16）And extend to elevator chamber
（16）Inside, the elevator chamber（16）The both sides of inner cavity are installed with slide bar（25）, the stabiliser bar（24）By steady
Fixed slider（26）With slide bar（25）It is slidably connected.
6. a kind of teaching show stand easy to remove according to claim 1, it is characterised in that：The elevator chamber（16）
The centre of intracavity bottom is installed with damping trough（27）, the damping trough（27）The bottom of inner cavity and supporting rack（1）Bottom
It is installed with rubber pad（29）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607275.XA CN108784162A (en) | 2018-06-13 | 2018-06-13 | A kind of teaching show stand easy to remove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607275.XA CN108784162A (en) | 2018-06-13 | 2018-06-13 | A kind of teaching show stand easy to remove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108784162A true CN108784162A (en) | 2018-11-13 |
Family
ID=64085622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810607275.XA Pending CN108784162A (en) | 2018-06-13 | 2018-06-13 | A kind of teaching show stand easy to remove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108784162A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109493646A (en) * | 2018-12-25 | 2019-03-19 | 嘉兴顶轩展示工程有限公司 | A kind of remote control type displaying master station |
| CN109505244A (en) * | 2018-11-27 | 2019-03-22 | 黄连芝 | A kind of adjustable metal hanging brace |
| CN110338828A (en) * | 2019-07-18 | 2019-10-18 | 南通市第二人民医院 | It is a kind of to use efficient dept. of radiology's imaging inspection apparatus and its application method |
| CN111109942A (en) * | 2019-12-19 | 2020-05-08 | 合肥博略文化传播有限公司 | Intelligent wine display system |
| CN111280979A (en) * | 2020-03-18 | 2020-06-16 | 聊城大学 | Multifunctional auxiliary device for plane design teaching |
| CN111304070A (en) * | 2020-02-25 | 2020-06-19 | 合肥职业技术学院 | Novel microbial cultivation device |
| CN111649049A (en) * | 2020-06-10 | 2020-09-11 | 嘉善伟悦紧固件有限公司 | Nested bolt fastener convenient to dismantle |
| CN112253527A (en) * | 2020-10-19 | 2021-01-22 | 邵阳宝兴化工设备有限公司 | Multifunctional moving plate for supporting and moving centrifugal pump |
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| EP1969966A2 (en) * | 2006-05-03 | 2008-09-17 | Baron Industries S.r.l. | Height adjustable bracket |
| CN106420212A (en) * | 2016-12-26 | 2017-02-22 | 郑州天舜电子技术有限公司 | Multi-functional medical care bed with convenient move function |
| CN106991932A (en) * | 2017-05-16 | 2017-07-28 | 陈涛 | A kind of eating and drinking establishment's propaganda board |
| CN206723727U (en) * | 2017-03-23 | 2017-12-08 | 无锡市第二人民医院 | A kind of height-adjustable calculating machine support |
| CN107836922A (en) * | 2017-10-27 | 2018-03-27 | 无锡匡威变压器有限公司 | A kind of showing stand easy to remove for electronic component displaying |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1969966A2 (en) * | 2006-05-03 | 2008-09-17 | Baron Industries S.r.l. | Height adjustable bracket |
| CN106420212A (en) * | 2016-12-26 | 2017-02-22 | 郑州天舜电子技术有限公司 | Multi-functional medical care bed with convenient move function |
| CN206723727U (en) * | 2017-03-23 | 2017-12-08 | 无锡市第二人民医院 | A kind of height-adjustable calculating machine support |
| CN106991932A (en) * | 2017-05-16 | 2017-07-28 | 陈涛 | A kind of eating and drinking establishment's propaganda board |
| CN107836922A (en) * | 2017-10-27 | 2018-03-27 | 无锡匡威变压器有限公司 | A kind of showing stand easy to remove for electronic component displaying |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505244A (en) * | 2018-11-27 | 2019-03-22 | 黄连芝 | A kind of adjustable metal hanging brace |
| CN109493646A (en) * | 2018-12-25 | 2019-03-19 | 嘉兴顶轩展示工程有限公司 | A kind of remote control type displaying master station |
| CN110338828A (en) * | 2019-07-18 | 2019-10-18 | 南通市第二人民医院 | It is a kind of to use efficient dept. of radiology's imaging inspection apparatus and its application method |
| CN110338828B (en) * | 2019-07-18 | 2023-02-28 | 南通市第二人民医院 | Efficient radiology department imaging examination device and use method thereof |
| CN111109942A (en) * | 2019-12-19 | 2020-05-08 | 合肥博略文化传播有限公司 | Intelligent wine display system |
| CN111304070A (en) * | 2020-02-25 | 2020-06-19 | 合肥职业技术学院 | Novel microbial cultivation device |
| CN111280979A (en) * | 2020-03-18 | 2020-06-16 | 聊城大学 | Multifunctional auxiliary device for plane design teaching |
| CN111649049A (en) * | 2020-06-10 | 2020-09-11 | 嘉善伟悦紧固件有限公司 | Nested bolt fastener convenient to dismantle |
| CN112253527A (en) * | 2020-10-19 | 2021-01-22 | 邵阳宝兴化工设备有限公司 | Multifunctional moving plate for supporting and moving centrifugal pump |
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Application publication date: 20181113 |