CN108577186A - Spliced panel construction and multifunctional teaching tools for classroom instruction - Google Patents
Spliced panel construction and multifunctional teaching tools for classroom instruction Download PDFInfo
- Publication number
- CN108577186A CN108577186A CN201810225251.8A CN201810225251A CN108577186A CN 108577186 A CN108577186 A CN 108577186A CN 201810225251 A CN201810225251 A CN 201810225251A CN 108577186 A CN108577186 A CN 108577186A
- Authority
- CN
- China
- Prior art keywords
- panel construction
- connection
- spliced panel
- hole
- spliced
- 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.)
- Granted
Links
Classifications
-
- 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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/34—Pencil boxes; Pencil etuis 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
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
- A47B13/088—Sectional table tops
-
- 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
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
- A47B91/066—Swivel gliders
-
- 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
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
-
- 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
- A47F7/14—Show stands, hangers, or shelves, adapted for particular articles or materials for pictures, e.g. in combination with books or seed-bags ; for cards, magazines, newspapers, books or booklike articles, e.g. audio/video cassettes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
Abstract
The present invention discloses a kind of spliced panel construction and the multifunctional teaching tools for classroom instruction.Spliced panel construction includes the splice plate that polylith splices successively；Each splice plate tool offers the connection through-hole of perforation there are two opposite plate face on each splice plate, connection through-hole is located between two opposite plate faces, and the central axis for connecting through-hole is parallel with plate face；The both ends of connection through-hole are respectively formed inserted terminal and joint end；Spliced panel construction further includes buckle；The joint end of connection through-hole offers card slot；Buckle is plugged in the inserted terminal of the connection through-hole of one of splice plate, and one of splice plate is clamped by buckling with the card slot of another piece of splice plate, so that adjacent two pieces of splice plates connection.The spliced panel construction of the present invention, the splice plate spliced successively by the way that polylith is arranged can carry out the adjusting of plate face size according to actual service condition.
Description
Technical field
The present invention relates to a kind of spliced panel construction and for the multifunctional teaching tools of classroom instruction.
Background technology
Blackboard can be write with the specific writing material such as chalk above generally made of plank or ground glass etc.
Word, mostly black, blackish green, white or ecru.Over more than 200 years, blackboard from it is earliest with blacking be applied to plank,
The hard objects such as cement surface has witnessed the one of world's educational undertaking to modern water mill glass, color coated steel sheet, composite material
Develop step by step, convey knowledge for the mankind, spreads education, made distinctions won on the battlefield.Now, the type of blackboard also begins to become complicated
It is various, divide from color, there is blackboard, green plate, blank etc.；Divide from surface shape, there is surface plate, cambered plate etc.；From structure group
Cheng Shangfen has holder movable plate, draw back plate, lifter plate, magnet board etc.；From purposes point, have blackboard for education, office blank,
Billboard, display board etc..
Lectern typically refers to as desk used in cooperation speaker's speech.Speaker would generally place use on lectern
Required stage property would generally be placed with the days such as chalk, chalkboard eraser, ruler for example, in campus when speech on lectern
Often article used in teaching.
As seen from the above description, especially in campus, blackboard is that teacher institute in teaching process is essential with lectern
Different object.
However, for traditional blackboard, usually only simple word writes and the function of word displaying；For tradition
Lectern, generally also only have simple article to place function.For this reason, it may be necessary to provide a kind of multifunctional teaching for classroom instruction
Apparatus is learned, such multifunctional teaching tools can work as blackboard and use, and can also work as lectern and use, according to actual teaching feelings
Condition, the switching for carrying out blackboard or lectern use.
Further, on the basis of multifunctional teaching tools realize the switching use of blackboard or lectern, this can be encountered
A kind of situation of sample is required for big according to actual use environment progress plate face area as the panel that blackboard or lectern use
Small adjusting.For example, when panel as blackboard in use, if when writing more word in plate face, at this moment just need
Expand the area of plate face；If being limited by place limitation, it is unable to the excessive plate face of placing area, at this moment just needs to reduce plate face
Area.For another example, when panel as lectern in use, if when placing more article in plate face, at this moment just need to expand
The area of plate face；Likewise, if being limited by place limitation, it is unable to the excessive plate face of placing area, at this moment just needs to reduce plate
The area in face.Therefore, a kind of spliced panel construction how is designed, it is big that plate face area can be carried out according to actual service condition
Small adjusting, this is technical staff's technical issues that need to address.
Invention content
The purpose of the present invention is overcoming shortcoming in the prior art, a kind of spliced panel construction is provided and is used for class
The multifunctional teaching tools of hall teaching can carry out the adjusting of plate face size according to actual service condition.
The purpose of the present invention is achieved through the following technical solutions：
A kind of spliced panel construction, including splice plate that polylith splices successively；
For each splice plate tool there are two opposite plate face, the connection that perforation is offered on each splice plate is logical
Hole, the connection through-hole are located between two opposite plate faces, and the central axis of the connection through-hole and the plate face are flat
Row；
The both ends of the connection through-hole are respectively formed inserted terminal and joint end；
The spliced panel construction further includes buckle；
The joint end of the connection through-hole offers card slot；
The inserted terminal for buckling the connection through-hole for being plugged in one of splice plate, one of splice plate
It is clamped by the card slot of the buckle and another piece of splice plate, so that two pieces of adjacent splice plate connections.
The quantity of the connection through-hole is multiple in one of the embodiments, the central shaft of multiple connection through-holes
Line is mutually parallel, and multiple connection through-holes are intervally arranged successively.
The quantity of the splice plate is three pieces in one of the embodiments,.
The buckle includes inserting column and the clamping joint set on described inserting column one end in one of the embodiments,.
The clamping joint includes two elastic clamping blocks in one of the embodiments, is spaced and sets between two elastic clamping blocks
It sets and forms elastic recovery space.
The card slot is penetrated through through the plate face and with the connection through-hole in one of the embodiments,.
The elastic clamping block is contained in the card slot in one of the embodiments,.
A kind of multifunctional teaching tools for classroom instruction, including above-mentioned spliced panel construction further include：Support
Structure, the first connector, the second connector；
The support construction includes first support bar and second support bar, the first support bar and the second support bar
Spaced setting；
The first connector sliding is fixable to be set in the first support bar, and the second support bar sliding can consolidate
Fixed is set in the second support bar；
The spliced panel construction is between first connector and second connector, the spliced face
The both ends of harden structure form the first connecting pin and second connection end, and the spliced panel construction is turned by first connecting pin
Dynamic fixable on first connector, the spliced panel construction can be fixed by second connection end rotation
Be set to second connector on.
A kind of spliced panel construction of the present invention, the splice plate spliced successively by the way that polylith is arranged, can be according to reality
Service condition carry out plate face size adjusting.
Description of the drawings
Fig. 1 is the structure chart of the multifunctional teaching tools for classroom instruction of one embodiment of the invention；
Fig. 2 is the structure chart of spliced panel construction shown in FIG. 1；
Fig. 3 is the exploded view of spliced panel construction shown in Fig. 2；
Fig. 4 is the Local map of spliced panel construction shown in Fig. 3；
Fig. 5 is enlarged drawing of the spliced panel construction shown in Fig. 3 at A；
Fig. 6 is the structure chart of Castor structure shown in FIG. 1；
Fig. 7 is the Local map (one) of Castor structure shown in fig. 6；
Fig. 8 is the Local map (two) of Castor structure shown in fig. 6；
Fig. 9 is that a kind of paintings show that fixing device is installed on the structure chart on spliced panel construction；
Figure 10 is the structure chart of top drive structure shown in Fig. 9；
Figure 11 is the Local map of top drive structure shown in Fig. 10；
Figure 12 is a kind of structure chart of stationery accommodating box；
Figure 13 is the Local map of stationery accommodating box shown in Figure 12；
Figure 14 is the structure chart of turntable shown in Figure 12；
Figure 15 is the structure chart (one) of the first connector shown in FIG. 1 and first support bar cooperation；
Figure 16 is the structure chart (two) of the first connector shown in Fig. 9 and first support bar cooperation；
Figure 17 is the Local map (one) of the first connector shown in Fig. 9；
Figure 18 is the Local map (two) of the first connector shown in Fig. 9.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant Listed Items.
As shown in Figure 1, a kind of multifunctional teaching tools 10 for classroom instruction, including：Support construction 11, spliced face
Harden structure 12, the first connector 13, the second connector 14.
Support construction 11 includes first support bar 100 and second support bar 200, first support bar 100 and second support bar
200 spaced settings.
First connector 13 slide it is fixable be set to first support bar 100 on, second support bar 14 is slided fixable
In second support bar 200.
Spliced panel construction 12 between the first connector 13 and the second connector 14, spliced panel construction 12
Both ends form the first connecting pin 15 and second connection end 16, and spliced panel construction 12 can be fixed by the rotation of the first connecting pin 15
Be set on the first connector 13, spliced panel construction 12 is rotated by second connection end 16 and fixable is set to the second connection
On part 14.
In the following, being illustrated to the application method of the multifunctional teaching tools 10 for classroom instruction：
When needing as long as lectern will to be used as in use, rotating splicing-type face for the multifunctional teaching tools 10 of classroom instruction
Harden structure 12 so that the plate face of spliced panel construction 12 is parallel with horizontal plane, you can placed on spliced panel construction 12
Article used in daily teaching；
It is noted that by being used as lectern in use, spliced panel for the multifunctional teaching tools 10 of classroom instruction
The plate face of structure 12 is not necessarily parallel with horizontal plane, and plate face and the horizontal plane of spliced panel construction 12 slightly have inclination angle
It can be with as long as the carrying of article can be realized, faculty carries out the adjusting of angle according to actual conditions；
When needing as long as blackboard will to be used as in use, rotating splicing-type face for the multifunctional teaching tools 10 of classroom instruction
Harden structure 12 so that the plate face and horizontal plane of spliced panel construction 12, you can use the specific writing materials such as chalk
It writes above, carries out word writing and word displaying；
It is noted that by being used as blackboard in use, spliced panel for the multifunctional teaching tools 10 of classroom instruction
The plate face of structure 12 is not necessarily wanted and horizontal plane, and plate face and the horizontal plane of spliced panel construction 12 slightly have inclination angle
It can be with as long as can realize that writing and displaying, faculty carry out the adjusting of angle according to actual conditions.
During the use for the multifunctional teaching tools 10 of classroom instruction, a kind of such situation, nothing can be encountered
It is to use as blackboard or used as lectern by spliced panel construction 12, is required for being carried out according to actual use environment
The adjusting of plate face size.For example, when spliced panel construction 12 is used as blackboard in use, if to be write in plate face more
As soon as when point Text, at this moment needing the area for expanding plate face；If being limited by place limitation, it is unable to the excessive plate of placing area
At this moment face just needs the area for reducing plate face.For another example, when spliced panel construction 12 is used as lectern in use, if will be in plate
When placing more article on face, the area for expanding plate face is at this moment just needed；Likewise, if being limited by place limitation, it cannot
At this moment the excessive plate face of placing area just needs the area for reducing plate face.Therefore, a kind of spliced panel construction how is designed
12, the adjusting of plate face size can be carried out according to actual service condition, this is that technical staff needs the technology solved to ask
Topic.
Shown in as shown in Figure 2, Figure 3 and Figure 4, in the following, being illustrated to a kind of concrete structure of spliced panel construction 12：
A kind of spliced panel construction 12, including splice plate 300 that polylith splices successively.In the present embodiment, splice plate
300 quantity is three pieces.
The tool of each splice plate 300 is offered on each splice plate 300 and is passed through there are two opposite plate face 310 (as shown in Figure 4)
Logical connection through-hole 320, connection through-hole 320 are located between two opposite plate faces 310, connect the central axis of through-hole 320 with
Plate face 310 is parallel.That is, connection through-hole 320, through splice plate 300, connection through-hole 320 is run through by one end of splice plate 300
The other end of splice plate 300.
The both ends of connection through-hole 320 are respectively formed inserted terminal 321 and joint end 322.
Spliced panel construction 12 further includes buckle 400.
The joint end 322 of connection through-hole 320 offers card slot 323.
Buckle 400 is plugged in the inserted terminal 321 of the connection through-hole 320 of one of splice plate 300, one of splice plate
300 are clamped by buckle 400 and the card slot 323 of another piece of splice plate 300, so that adjacent two pieces of splice plates 300 connection.
In this way, by opening up connection through-hole 320, when needing to connect two pieces of splice plates 300, one of splice plate
300 are clamped by buckle 400 and the card slot 323 of another piece of splice plate 300；When needing to separate two pieces of splice plates 300, pressing
Buckle 400 can make buckle 400 be detached from from card slot 323.It is found that two pieces of splice plates 300 are by buckling the cooperation with card slot
Mode realizes quickly assembly and dismantling.Faculty carries out any number of group according to actual conditions, by splice plate 300
It is merged and connects, improve the effect used.
Further, the quantity of connection through-hole 320 is multiple, and the central axis of multiple connection through-holes 320 is mutually parallel, more
A connection through-hole 320 is intervally arranged successively.By opening up multiple connection through-holes 320, and coordinate multiple buckles 400 accordingly, from
And substantially increase the bonding strength of two blocks of contiguous concatenation plates 300.
As shown in figure 5, further, buckle 400 includes inserting column 410 and the clamping joint set on 410 one end of inserting column
420, clamping joint 420 includes two elastic clamping blocks 421, is spaced between two elastic clamping blocks 421 and is arranged and is formed elastic recovery sky
Between 422, card slot 323 is penetrated through through plate face 310 and with through-hole 320 is connect, and elastic clamping block 421 is contained in card slot 323.This
Sample after elastic deformation occurs for two elastic clamping blocks 421, will enter in connection through-hole 320, when elastic clamping block 421 arrives Dacca
At slot 323, and meeting elasticity recovery deformation so that elastic clamping block 421 is contained in card slot 323, to realize clamping, and then realizes
The connections of two pieces of splice plates 300.It should also be noted that card slot 323 is penetrated through through plate face 310 and with through-hole 320 is connect, this
Sample can squeeze elastic clamping block 421 from the Single port of card slot 323 when needing to be detached two pieces of splice plates 300
Pressure so that elastic clamping block 421 is rapidly separated from card slot 323.
As shown in figure 5, further, elastic clamping block 421 has angular guide surfaces 423.By the way that angular guide surfaces are arranged
423, elastic clamping block 421 can be made more smooth and quickly entered in connection through-hole 320, realize clamping.
As shown in figure 5, it is further, in the present embodiment, along the extending direction of connection through-hole 320, in joint end 322
Place is spaced apart is equipped with multiple card slots 323 successively.In this way, by offering multiple card slots 323, can be selected according to actual conditions
400 depth for entering connection through-hole 320 are buckled, to the adjusting of distance between two pieces of splice plates 300 of realization, to realization pair
The adjusting of the size of spliced splice plate 300 further improves the effect used.
During the use for the multifunctional teaching tools 10 of classroom instruction, a kind of such situation, nothing can be encountered
It is to use as blackboard or used as lectern by spliced panel construction 12, is required for moving it, by it
It is moved, suitable position can be reached, so that teacher obtains effect of preferably giving lessons on classroom.And spliced face
After harden structure 12 is moved to suitable position, it is also necessary to it be fixed, to prevent it from arbitrarily moving.Therefore, how to set
A kind of Castor structure is counted, on the one hand spliced panel construction 12 can easily be moved, it on the other hand can also be to spelling
It connects the progress of formula panel construction 12 position to fix, this is technical staff's technical issues that need to address.
As shown in Fig. 6, Fig. 7 and Fig. 8, in the following, being illustrated to a kind of concrete structure of Castor structure 500：
A kind of Castor structure 500, including：Take turns frame body 510, shifting roller 520, fixed cushion block 530, adjusting bolt 540,
Adjusting handle 550.
As shown in figure 8, wheel frame body 510 offers idler wheel installation cavity 511 and cushion block installation cavity 512.
Shifting roller 520 is rotatablely installed in idler wheel installation cavity 511.
As shown in FIG. 6 and 7, fixed cushion block 530 is slidably mounted in cushion block installation cavity 512, is opened up on fixed cushion block 530
There are lifting carriage guiding groove 531, the cavity wall of cushion block installation cavity 512 to be equipped with the lifting coordinated with lifting carriage guiding groove 531 and slide
Dynamic bootstrap block 513.
Threaded hole (not shown) is offered on fixed cushion block 530, one end of adjusting bolt 540 is screwed together in threaded hole, is adjusted
The other end of section bolt 540 is fixedly connected with adjusting handle 550.
Adjusting handle 550 drives adjusting bolt 540 to rotate, and passes through lifting carriage guiding groove 531 and lifting carriage bootstrap block
513 cooperation, so that fixed cushion block 530 is slided along the cavity wall of cushion block installation cavity 512.
One end of first support bar 100 is equipped with above-mentioned Castor structure 500, and one end of second support bar 200 is equipped with
State Castor structure 500.In the present embodiment, there are two Castor structure 500, the second supports for one end installation of first support bar 100
There are two Castor structures 500 for one end installation of bar 200, in this way, the multifunctional teaching for being entirely used for classroom instruction can preferably be kept
Learn the balance of apparatus 10.
In the following, being illustrated to the application method of Castor structure 500：
It is mobile so that it can suitable position be reached, so that teacher when needing to carry out spliced panel construction 12
Effect of preferably giving lessons is obtained on classroom, and needs to pass through foot when effect it is also possible that student's acquisition is preferably listened to the teacher
Wheel construction 500 moves it, specifically, turning adjusting handle 550, adjusting handle 550 drives adjusting bolt 540 to rotate,
By the cooperation of lifting carriage guiding groove 531 and lifting carriage bootstrap block 513, so that fixed cushion block 530 is installed along cushion block
The cavity wall of chamber 512 is slided, and then, fixed cushion block 530 is detached from the contact with ground, is contacted with ground when fixed cushion block 530 is detached from
Afterwards, easily movement can be made by the way that shifting roller 520 is whole to the multifunctional teaching tools 10 for classroom instruction, be allowed to
Up to specified position；
After spliced panel construction 12 reaches designated position, it is also necessary to it is fixed, to prevent it from arbitrarily moving,
Specifically, negative direction turns adjusting handle 550, adjusting handle 550 drives adjusting bolt 540 to rotate, is guided by lifting carriage
The cooperation of slot 531 and lifting carriage bootstrap block 513, so that cavity wall negative direction of the fixed cushion block 530 along cushion block installation cavity 512
Sliding, then, the fixed disengaging of cushion block 530 contact again with ground, can after fixed cushion block 530 is contacted with ground again
It is whole to the multifunctional teaching tools 10 for classroom instruction to be fixed, prevent it from arbitrarily moving.
As shown in fig. 6, further, Castor structure 500 further includes support plate 560, and the rotation of support plate 560 is set to wheel carrier master
On body 510.In the present embodiment, support plate 560 is set to by bearing rotation on wheel frame body 510.In this way, wheel frame body 510
It is installed in first support bar 100 and second support bar 200 by support plate 560, can make more work(for classroom instruction
Energy teaching aid 10 preferably changes direction in whole moving process.
In the present embodiment, shifting roller 520 is circular ring shape idler wheel, and rubber sleeve is wrapped up in shifting roller 520, and (figure is not
Show), by the way that rubber sleeve is arranged, the multifunctional teaching tools 10 for classroom instruction can be made to be obtained in whole moving process
Obtain better muting function.In other embodiments, shifting roller 520 is spherical roller.
In the present embodiment, fixed cushion block 530 is elastic rubber block structure, in this way, can make for classroom instruction
Multifunctional teaching tools 10 obtain better fixed effect.
As shown in fig. 7, further, adjusting handle 550 includes：Turn sleeve 551, multiple non-slipping blocks 552.Turn sleeve
551 are sheathed in adjusting bolt 540, the circular array point centered on the central shaft for turning sleeve 551 of multiple non-slipping blocks 552
Cloth, it is spaced between adjacent two non-slipping blocks 552 and form antiskid groove 553.In this way, by the way that multiple non-slipping blocks are arranged
552, the circular array centered on the central shaft for turning sleeve 551 of multiple non-slipping blocks 552 is distributed, adjacent two non-slipping blocks
It is spaced and form antiskid groove 553 between 552, sleeve 551 can be easily turned, and then drive adjusting bolt
The elevating movement of fixed cushion block 530 is realized in 540 rotations.
During the use for the multifunctional teaching tools 10 of classroom instruction, a kind of such situation can be encountered, it is special
It is not for teaching for the teacher of the fine arts, they are frequently necessary to show paintings, are showed by the paintings to displaying
Field explanation, can reach better teaching efficiency.However, the paintings of displaying have generally comprised picture frame, the paintings meeting of picture frame is carried
It is heavier, it is not easy to be fixed in spliced panel construction 12.How a kind of paintings displaying fixing device is designed, and realizing will
Paintings quickly, stablize be fixed on spliced panel construction 12, this is technical staff's technical issues that need to address.
As shown in figure 9, it shows the structure chart of fixing device 600 for a kind of paintings.In the following, showing fixing device to paintings
600 concrete structure illustrates：
As shown in Figures 10 and 11, paintings displaying fixing device 600 includes：Top drive structure 610, top grip
620, bottom driving structure 630, bottom clamping part 640.Top drive structure 610 is drivingly connected with top grip 620；Bottom
Driving structure 630 is drivingly connected with bottom clamping part 640.Top drive structure 610 is respectively arranged in bottom driving structure 630
The both ends of 12 same plate face of spliced panel construction, top drive structure 610 drive top grip 620, so that top presss from both sides
Gripping member 620 is abutted or is detached with the plate face of spliced panel construction 12, and bottom driving structure 630 drives bottom clamping part 640, with
So that bottom clamping part 640 is abutted or is detached with the plate face of spliced panel construction 12.In the present embodiment, top drive structure
610 is identical as the structure of bottom driving structure 630, and top grip 620 is identical as the structure of bottom clamping part 640.
Top drive structure 610 includes：Mounting seat 611, carrying base station 612, driving portion 613, telescopic rod 614, outer company
Bar 615, inner link 616, compression bar 617.
Carrying base station 612 is fixed in mounting seat 611；The rotation of driving portion 613 is set in mounting seat 611, driving portion
613 driving 614 stretching motions of telescopic rod；One end of outside connecting rod 615 is articulated on carrying base station 612, the other end of outside connecting rod 615
It is articulated with one end of telescopic rod 614；The rotation of compression bar 617 is set in mounting seat 611；One end of inner link 616 is articulated with compression bar
On 617, the other end of inner link 616 is articulated with one end of telescopic rod 614；Inner link 616 be equipped with briquetting 618, briquetting 618 with
Compression bar 617 abuts or separation；Top grip 620 is installed on compression bar 617.
In the following, showing that the operation principle of fixing device 600 illustrates to paintings：
Paintings to be fixed are predetermined on spliced panel construction 12；
Pass through bottom to being fixed at the top of paintings by the cooperation of top drive structure 610 and top grip 620
The bottom of paintings is fixed in the cooperation of portion's driving structure 630 and bottom clamping part 640；
Specifically, opening driving portion 613 so that driving portion 613 drives telescopic rod 614 to stretch out, telescopic rod 614 and then drive
Inner link 616 rotates, and inner link 616 is abutted by briquetting 618 thereon with compression bar 617, and then drives compression bar 617 around installation bottom
Seat 611 rotates, and the rotation of compression bar 617 drives top grip 620 to the board direction close to spliced panel construction 12 in turn
Movement, then, is fixed at the top of paintings；
Similarly, under the cooperation of bottom driving structure 630 and bottom clamping part 640, the bottom of paintings is also fixed；
It is found that driving portion 613 drives telescopic rod 614 to shrink, telescopic rod 614 drives inner link 616 to rotate backward in turn, interior
Briquetting 618 on connecting rod 616 will be detached with compression bar 617, and and then, inner link 616 drives compression bar 617 around mounting seat 611
It rotates backward, the rotation of compression bar 617 drives top grip 620 to the board direction fortune far from spliced panel construction 12 in turn
Dynamic, then, the top of paintings is detached from the fixation of top grip 620；
Similarly, under the cooperation of bottom driving structure 630 and bottom clamping part 640, the bottom of paintings can also be detached from
The fixation of bottom clamping part 640.
It is noted that by the way that outside connecting rod 615 is arranged, one end of outside connecting rod 615 is articulated on carrying base station 612, outer company
The other end of bar 615 is articulated with one end of telescopic rod 614, in this way, can make driving portion 613 that telescopic rod 614 be driven to stretch
More stablize when movement, is smooth.
In the present embodiment, driving portion is cylinder driving structure, and top grip is strip block structure, bottom clamping part
For strip block structure.In other embodiments, driving portion is motor lead screw driving structure, and top grip is long strip-board shape knot
Structure, bottom clamping part are long strip-board shape structure.
Further, top drive structure 610 further includes adjusting bolt 619, and adjusting bolt 619 is screwed together in compression bar 617
One end, top grip 620 are installed on by adjusting bolt 619 on compression bar 617.In this way, can be by clockwise or counterclockwise
Adjusting bolt 619 is turned, the extension elongation of adjusting bolt 619 is adjusted, and then reaches adjusting top grip
620 reach ideal with the purpose of the plate face distance of spliced panel construction 12 so as to better conform to the paintings of different-thickness
Fixed effect.
During the use for the multifunctional teaching tools 10 of classroom instruction, a kind of such situation, religion can be encountered
Teacher need by used in teaching process to stationery store, such as the chalk, black arrived used in teaching process
Blackboard eraser, free ink pen, paintbrush etc..Therefore, a kind of stationery accommodating box for being stored to stationery how is designed, is especially existed
During blackboard or lectern switching use, the rotation along with panel is understood, and during panel rotation, how further
Prevent stationery from being fallen from storage box, this is technical staff's technical issues that need to address.
As shown in Figure 12, Figure 13 and Figure 14, in the following, being illustrated to the concrete structure of stationery accommodating box 700：
A kind of stationery accommodating box 700, including：Outer cover 710, box cover 720, turntable 730.
Outer cover 710 is hollow shell structure, and outer cover 710 has a host cavity 711, offered on outer cover 710 and pick and place mouth
712, it picks and places mouth 712 and is penetrated through with host cavity 711.Turntable 730 is rotatably contained in host cavity 711, is offered on turntable 730
Container 731.The sliding of box cover 720 is in the cavity wall of host cavity 711, so that picking and placeing the closing of mouth 712, or to pick and place mouth
712 open wide.
Specifically, outer cover 710 is in cylindrical structure, outer cover 710 has top surface 713, bottom surface 714 and side 715, picks and places mouth
712 are opened in the side 715 of outer cover 710, and box cover 720 is equipped with push and pull bar 721, push and pull bar 721 and the side for picking and placeing mouth 712
Edge abuts or separation, and turntable 730 is disc, and fixing axle 716 is equipped in host cavity 711, rotation hole is offered on turntable 730
732, fixing axle 716 is contained in rotation hole 732, and the quantity of container 731 is multiple, and multiple containers 732 are with turntable 730
Circular array is distributed centered on rotation axis.
In the following, being illustrated to the application method of stationery accommodating box 700：
First, stationery accommodating box 700 is installed in the plate face of spliced panel construction 12；
Box cover 720 is slided by push and pull bar 721 so that box cover 720 is slided along the cavity wall of host cavity 711, so as to
It is closed by box cover 720 so that picking and placeing mouth 712, or so that picking and placeing mouth 712 is in opening-wide state；
When picking and placeing mouth 712 and being in opening-wide state, some stationeries can be positioned over to the container 731 of turntable 730
In；
Further, by rotation turntable 730, it can make multiple containers 731 reach successively to pick and place at mouth 712, from
And facilitate and stationery is positioned in container 731, achieve the purpose that the greater number of stationery of storage；
When picking and placeing mouth 712 and being closed by box cover 720, the switching that can carry out blackboard or lectern uses, along with spliced
The rotation of panel construction 12, being accommodated in stationery therein will not fall down.
Further, the edge of turntable 730 is equipped with a plurality of anti-skidding raised line 733, and a plurality of anti-skidding raised line 733 is with turntable 730
Circular array is distributed centered on rotation axis.In this way, by the way that a plurality of anti-skidding raised line 733 is arranged, better anti-skidding effect can be reached
Fruit improves the frictional force of human hand and 730 EDGE CONTACT of turntable.
During the use for the multifunctional teaching tools 10 of classroom instruction, a kind of such situation can be encountered, when
Spliced panel construction 12 in use, not only want to obtain the adjusting of rotational angle, but also wants that height can be obtained as blackboard
On adjusting；Likewise, when spliced panel construction 12 as lectern in use, not only want to obtain the adjusting of rotational angle,
But also it wants that the adjusting in height can be obtained.It is found that no matter spliced panel construction 12 is used as blackboard or as saying
Table uses, and teacher according to actual conditions is required for that the adjusting of angle and height can be obtained simultaneously, to obtain preferably teaching effect
Fruit.Therefore, how to design and the structure of the first connector 13 and the second connector 14 is further improved so that spliced panel
No matter structure 12 uses as blackboard or is used as lectern, can obtain the adjusting of angle and height simultaneously, this is technology
Personnel's technical issues that need to address.
First it is noted that in the present embodiment, the structure of the first connector 13 and the second connector 14 is identical, first
The structure of supporting rod 100 and second support bar 200 is identical, in the following, only to the specific of the first connector 13 and first support bar 100
Structure illustrates.
As shown in figure 15, lift adjustment slot 110 is offered in first support bar 100, is opened on the cell wall of lift adjustment slot 110
Equipped with lift adjustment tooth bar 111.Corresponding, second support bar 200 also offers mutually isostructural lift adjustment slot and rising-falling tone
Save rack.
As shown in figure 15, the first connector 13 includes：Lift sliding sleeve 610, gear assembly 620, lock pin component 630, rotation
Grip block 640.
The hollow cylinder structure that sliding sleeve 610 is both ends open is lifted, lifting 610 sliding sleeve of sliding sleeve is set to first support bar
On 100, gear assembly 620 is installed on lifting sliding sleeve 610.
As shown in FIG. 17 and 18, gear assembly 620 includes：Gear installation folder 621, lift adjustment gear 622, rotation are adjusted
Save gear 623, resistance type gear 624, drive shaft 625.Gear installation folder 621 is in " n " font, and gear installation folder 621 includes
The junction of first clamping piece 626 and second intermediate plate 627, first clamping piece 626 and second intermediate plate 627 forms blind end 20, the first folder
Open end 30 is formed at piece 626 and the separation of second intermediate plate 627, host cavity is formed between first clamping piece 626 and second intermediate plate 627
628.Rotation adjustment gear 623 is intermeshed with resistance type gear 624 and is contained in host cavity 628, rotates adjustment gear 623
It is arranged close to blind end, resistance type gear 624 is arranged close to open end, and the facewidth of resistance type gear 624 is more than rotation and adjusts tooth
Resistance type gear 624 is clamped with second intermediate plate 627 in the facewidth of wheel 623, first clamping piece 626.Lift adjustment gear 622 is located at receiving
Chamber 628 is outer and is contained in lift adjustment slot 110, is turned by transmission between lift adjustment gear 622 and rotation adjustment gear 623
Axis 625 connects, and lift adjustment gear 622 is engaged with the lift adjustment tooth bar 111 in lift adjustment slot 110.
Rotation grip block 640 is connect with drive shaft 625, and spliced panel construction 12 is held on by the first connecting pin 15
It rotates on grip block 640.
As shown in FIG. 17 and 18, lock pin component 630 includes：Limit closing piece 631, limit bootstrap block 632, limit bolt
633.Limit guiding groove 611 (as shown in figure 16) is offered on lifting sliding sleeve 610, the limit sliding of bootstrap block 632 is set to limit and draws
In guide groove 611, limit closing piece 631 be fixed on limit bootstrap block 632 on, limit closing piece 631 with limit guiding groove 611 cell wall it
Between be equipped with resetting spring (not shown), limit closing piece 631 receiving or be detached from rotation adjustment gear 623 tooth socket.Lift sliding sleeve 610
On offer slot 612 (as shown in figure 16), one end of limit bolt 633 is equipped with wedge-shaped inserted block 634, and limit bolt 633 plugs
In slot 612, so that wedge-shaped inserted block 634 is abutted with limit bootstrap block 632, so that limit closing piece 631 receiving or de-
Tooth socket from rotation adjustment gear 623.
In the following, being illustrated to the operation principle of the first connector 13：
Spliced panel construction 12 is held on by the first connecting pin 15 on rotation grip block 640, and spliced panel is rotated
Structure 12, spliced panel construction 12 passes through in turn rotates the drive rotation of drive shaft 625 of grip block 640；
The rotation of drive shaft 625, while lift adjustment gear 622 and rotation adjustment gear 623 being driven to rotate；
Due to offering lift adjustment slot 110 in first support bar 100, liter is offered on the cell wall of lift adjustment slot 110
Adjusting gear rack 111 drops, and lift adjustment gear 622 is engaged with the lift adjustment tooth bar 111 in lift adjustment slot 110, therefore, risen
During dropping the rotation of adjustment gear 622, lift adjustment gear 622 can make elevating movement along the cell wall of lift adjustment slot 110,
The elevating movement of lift adjustment gear 622 also promotes spliced panel construction 12 itself to make elevating movement, to realize splicing
The height of formula panel construction 12 is adjusted；
It is found that spliced panel construction 12 will realize the adjusting of height, need to carry out the rotation of itself, and in spliced face
During 12 own rotation of harden structure, also the adjusting of angle is realized simultaneously, in this way, also just solving " spliced panel construction
No matter 12 use as blackboard or used as lectern, can obtain the adjusting of angle and height simultaneously " this technical problem.
It is noted that under normal use state, limit closing piece 631 limits closing piece under the action of resetting spring
631 be receiving rotation adjustment gear 623 tooth socket in, in this way, limit closing piece 631 can to rotation adjustment gear 623 into
Row limit prevents rotation adjustment gear 623 from rotating under the action of by external force, to improve spliced panel construction
12 stability in use.
However, when needing to carry out angle or height adjusting to spliced panel construction 12, just need to adjust tooth to rotation
Wheel 623, which carries out rotation, to be obtained.And at this time, it may be necessary to which so that limit closing piece 631 is detached from the tooth socket of rotation adjustment gear 623.For
This, has been specifically designed limit bolt 633.Limit bolt 633 is inserted in slot 612, so that wedge-shaped inserted block 634 and limit
Bootstrap block 632 is abutted close to one end of rotation adjustment gear 623, under the thrust of wedge-shaped inserted block 634, limits closing piece 631
It can be detached from the tooth socket of rotation adjustment gear 623, so that rotation adjustment gear 623 is in the state being freely rotated, just
Angle is carried out in spliced panel construction 12 or height is adjusted.
It should also be noted that the use of limit bolt 633, can also further promote limit closing piece 631 even closer
It is contained in the tooth socket of rotation adjustment gear 623.For example, after spliced panel construction 12 completes angle or height is adjusted,
Limit bolt 633 is rotated into 180 degree so that wedge-shaped inserted block 634 and one of limit bootstrap block 632 far from rotation adjustment gear 623
End abuts, in this way, limit closing piece 631 is pushed rotate to the tooth socket of adjustment gear 623 by wedge-shaped inserted block 634 so that limit closing piece 631
Even closer is contained in the tooth socket of rotation adjustment gear 623, prevents rotation adjustment gear 623 from rotating, further such that spelling
Connect the fixation that formula panel construction 12 can more be stablized.
It should also be noted that gear installation folder 621 is in " n " font, gear installation folder 621 includes first clamping piece 626 and the
Two intermediate plates 627, first clamping piece 626 and the junction of second intermediate plate 627 form blind end 20, first clamping piece 626 and second intermediate plate
Open end 30 is formed at 627 separation, and host cavity 628 is formed between first clamping piece 626 and second intermediate plate 627.Rotation adjusts tooth
Wheel 623 is intermeshed with resistance type gear 624 and is contained in host cavity 628, and rotation adjustment gear 623 is set close to blind end
It sets, resistance type gear 624 is arranged close to open end, and the facewidth of resistance type gear 624 is more than the facewidth of rotation adjustment gear 623,
Resistance type gear 624 is clamped with second intermediate plate 627 in first clamping piece 626.Such structure design so that resistance type gear 624 can
With the clamping by first clamping piece 626 and second intermediate plate 627 tightly, it is not easy to rotate, and be not easy the resistance type to rotate
Gear 624 also provides resistance to the rotation adjustment gear 623 being engaged with so that rotation adjustment gear 623 is not easy to occur
Rotation, so that spliced panel construction 12 can also be acted on during rotation by resistance.Then, when needs are to spelling
When connecing formula panel construction 12 and being adjusted, limit closing piece 631 the tooth socket for being detached from rotation adjustment gear 623 in a flash, will not
It arbitrarily rotates, will not arbitrarily occur to turn because of the gravity of spliced panel construction 12 itself because of too small external force
It is dynamic, it is desirable to provide to give spliced panel construction 12 certain active force, spliced panel construction 12 can just rotate, improve
Stability in the adjustment process of spliced panel construction 12.
A kind of multifunctional teaching tools 10 for classroom instruction of the present invention pass through setting support construction 11, spliced
Panel construction 12, the first connector 13, the second connector 14, and the structure of all parts is optimized so that it is used for
The multifunctional teaching tools 10 of classroom instruction can work as blackboard and use, and can also work as lectern and use, according to actual teaching feelings
Condition, the switching for carrying out blackboard or lectern use.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of spliced panel construction, which is characterized in that the splice plate spliced successively including polylith；
Each splice plate tool offers the connection through-hole of perforation, institute there are two opposite plate face on each splice plate
It states connection through-hole to be located between two opposite plate faces, the central axis of the connection through-hole is parallel with the plate face；
The both ends of the connection through-hole are respectively formed inserted terminal and joint end；
The spliced panel construction further includes buckle；
The joint end of the connection through-hole offers card slot；
The inserted terminal for buckling the connection through-hole for being plugged in one of splice plate, one of splice plate pass through
The card slot of the buckle and another piece of splice plate is clamped, so that two pieces of adjacent splice plate connections.
2. spliced panel construction according to claim 1, which is characterized in that it is described connection through-hole quantity be it is multiple,
The central axis of multiple connection through-holes is mutually parallel, and multiple connection through-holes are intervally arranged successively.
3. spliced panel construction according to claim 1, which is characterized in that the quantity of the splice plate is three pieces.
4. spliced panel construction according to claim 1, which is characterized in that the buckle includes inserting column and set on institute
State the clamping joint of inserting column one end.
5. spliced panel construction according to claim 4, which is characterized in that the clamping joint includes two elastic cards
Block, interval is arranged and forms elastic recovery space between two elastic clamping blocks.
6. spliced panel construction according to claim 5, which is characterized in that the card slot through the plate face and with
The connection through-hole perforation.
7. spliced panel construction according to claim 6, which is characterized in that the elastic clamping block is contained in the card slot
It is interior.
8. a kind of multifunctional teaching tools for classroom instruction, which is characterized in that including any one of claim 1 to 7
The spliced panel construction further includes：Support construction, the first connector, the second connector；
The support construction includes first support bar and second support bar, and the first support bar and the second support bar are mutual
Interval setting；
The first connector sliding is fixable to be set in the first support bar, and the second support bar sliding is fixable
In the second support bar；
The spliced panel construction is between first connector and second connector, the spliced panel knot
The both ends of structure form the first connecting pin and second connection end, and the spliced panel construction can by first connecting pin rotation
Fixed to be set on first connector, the spliced panel construction rotates fixable set by the second connection end
In on second connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225251.8A CN108577186B (en) | 2018-03-19 | 2018-03-19 | Concatenation formula panel structure and be used for multi-functional teaching aid of classroom teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225251.8A CN108577186B (en) | 2018-03-19 | 2018-03-19 | Concatenation formula panel structure and be used for multi-functional teaching aid of classroom teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108577186A true CN108577186A (en) | 2018-09-28 |
| CN108577186B CN108577186B (en) | 2021-02-09 |
Family
ID=63626757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810225251.8A Active CN108577186B (en) | 2018-03-19 | 2018-03-19 | Concatenation formula panel structure and be used for multi-functional teaching aid of classroom teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108577186B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254080A (en) * | 2019-04-28 | 2019-09-20 | 东营蓓拉锁具有限公司 | A kind of Household children drawing board |
| CN110356680A (en) * | 2019-08-03 | 2019-10-22 | 谢富玉 | A kind of spliced foamed plastic structure |
| CN110425370A (en) * | 2019-08-27 | 2019-11-08 | 河南奥斯派克科技有限公司 | Activity clamping para-seismic support and cutting ferrule sub-assembly specific purpose tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195448Y (en) * | 1994-01-28 | 1995-04-26 | 张东 | Double-side rotary non-dust blackboard |
| CN201747012U (en) * | 2010-02-09 | 2011-02-16 | 黄兆琼 | Spliced plate |
| CN202371097U (en) * | 2011-12-13 | 2012-08-08 | 北汽福田汽车股份有限公司 | Opening damping structure and glove box |
| CN103611276A (en) * | 2013-12-10 | 2014-03-05 | 青岛农业大学 | Novel net post dedicated for park volleyballs |
| CN204432128U (en) * | 2015-02-06 | 2015-07-01 | 南通跃通数控设备有限公司 | A kind of splicing blackboard |
| CN204586237U (en) * | 2015-05-13 | 2015-08-26 | 渤海大学 | A kind of blackboard for home education |
| CN206950571U (en) * | 2017-03-09 | 2018-02-02 | 河南质量工程职业学院 | A kind of exercising apparatus for being used to lift body suppleness |
| CN207106009U (en) * | 2017-04-17 | 2018-03-16 | 连捷 | A kind of teaching of senior high school fine arts palette rack |
-
2018
- 2018-03-19 CN CN201810225251.8A patent/CN108577186B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195448Y (en) * | 1994-01-28 | 1995-04-26 | 张东 | Double-side rotary non-dust blackboard |
| CN201747012U (en) * | 2010-02-09 | 2011-02-16 | 黄兆琼 | Spliced plate |
| CN202371097U (en) * | 2011-12-13 | 2012-08-08 | 北汽福田汽车股份有限公司 | Opening damping structure and glove box |
| CN103611276A (en) * | 2013-12-10 | 2014-03-05 | 青岛农业大学 | Novel net post dedicated for park volleyballs |
| CN204432128U (en) * | 2015-02-06 | 2015-07-01 | 南通跃通数控设备有限公司 | A kind of splicing blackboard |
| CN204586237U (en) * | 2015-05-13 | 2015-08-26 | 渤海大学 | A kind of blackboard for home education |
| CN206950571U (en) * | 2017-03-09 | 2018-02-02 | 河南质量工程职业学院 | A kind of exercising apparatus for being used to lift body suppleness |
| CN207106009U (en) * | 2017-04-17 | 2018-03-16 | 连捷 | A kind of teaching of senior high school fine arts palette rack |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254080A (en) * | 2019-04-28 | 2019-09-20 | 东营蓓拉锁具有限公司 | A kind of Household children drawing board |
| CN110356680A (en) * | 2019-08-03 | 2019-10-22 | 谢富玉 | A kind of spliced foamed plastic structure |
| CN110356680B (en) * | 2019-08-03 | 2021-04-16 | 盐城苏洁仕环保服务有限公司 | Concatenation formula foaming plastic construction |
| CN110425370A (en) * | 2019-08-27 | 2019-11-08 | 河南奥斯派克科技有限公司 | Activity clamping para-seismic support and cutting ferrule sub-assembly specific purpose tool |
| CN110425370B (en) * | 2019-08-27 | 2024-03-22 | 河南奥斯派克科技有限公司 | Special tool for movable clamping anti-seismic support and clamping sleeve assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108577186B (en) | 2021-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108577186A (en) | Spliced panel construction and multifunctional teaching tools for classroom instruction | |
| CN108669864A (en) | Paintings show fixing device and the multifunctional teaching tools for classroom instruction | |
| CN204132733U (en) | A kind of Novel Chinese teaching device | |
| CN108685305A (en) | Stationery accommodating box and multifunctional teaching tools for classroom instruction | |
| CN205272958U (en) | Can convertible multipurpose teaching blackboard | |
| CN208954426U (en) | A kind of economical management teaching displaying device | |
| CN108437701A (en) | Castor structure and multifunctional teaching tools for classroom instruction | |
| CN210383283U (en) | Portable display device for teaching | |
| CN203353955U (en) | Politics teaching desk and display board | |
| CN112874207B (en) | Teaching device for finance enterprise training | |
| CN206039895U (en) | Teaching is with mobilizable show board | |
| CN205318799U (en) | Bulletin board for ideological and political education | |
| CN211979958U (en) | Auxiliary device that english education and teaching used | |
| CN111292581A (en) | Multifunctional demonstrating board for Chinese teaching | |
| CN220535293U (en) | Blackboard convenient to fold for teaching | |
| CN205582334U (en) | Primary school's mathematics angle teaching aid | |
| CN208834571U (en) | A kind of English glossary type comparison explaining device | |
| CN205050416U (en) | Multi -functional demonstrating board is used to mathematics specialty | |
| CN214072317U (en) | Poetry pendant for Chinese teaching | |
| CN210896044U (en) | Visual transmission specialty teaching aid | |
| CN214098845U (en) | Uygur language auxiliary teaching display board | |
| CN218616024U (en) | Blackboard-writing drawing rule for teaching | |
| CN210200011U (en) | Economic picture suspension device in economics teaching | |
| CN215265215U (en) | Display board for vocational skill training | |
| CN107644569A (en) | A kind of line chart instructional device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |