CN206021673U - A kind of economics Special teaching demo rack - Google Patents
A kind of economics Special teaching demo rack Download PDFInfo
- Publication number
- CN206021673U CN206021673U CN201620724708.6U CN201620724708U CN206021673U CN 206021673 U CN206021673 U CN 206021673U CN 201620724708 U CN201620724708 U CN 201620724708U CN 206021673 U CN206021673 U CN 206021673U
- Authority
- CN
- China
- Prior art keywords
- air exhauster
- support bar
- blackboard
- accommodating case
- special teaching
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of economics Special teaching demo rack, including base, it is arranged on the support bar of base top, is arranged on the blackboard of support bar top, the bottom of base is provided with roller, the left side outer wall of support bar is provided with cross bar, is provided with least one clip for being used for wall chart on cross bar；The back side of blackboard is disposed with accommodating case, air exhauster, transverse tube from top to bottom, the bottom of transverse tube is provided with many sweep-up pipes, the import of air exhauster is connected by the first rubber Telescopic air pipe with transverse tube, the outlet of air exhauster is connected by the second rubber Telescopic air pipe with accommodating case, the top side detachable of accommodating case is provided with lid, pore is provided with lid, dust-break component is provided with pore, is provided with the shift knob being electrically connected with air exhauster on support bar.Its advantage is：Vdiverse in function, practical.
Description
Technical field
This utility model is related to a kind of economics Special teaching demo rack.
Background technology
Chinese patent 201420342034.4 discloses a kind of economics Special teaching demo rack, including disc base, its
It is characterised by, be provided with one group of roller below the disc base, the disc base is provided with support bar, spiral shell on the support bar
Stricture of vagina is socketed with round pallet, is provided with the rotating seat rotated along the support bar, the rotating seat on the upside of the supporting plate
The inner surface contacted with the support bar is shiny surface, and the side of the rotating seat connects the demonstration board that is magnetic, institute by connecting rod
The both sides for stating magnetic demonstration board are hinged with and the left demonstration board of magnetic demonstration board size identical and right demonstration board, and the left side is drilled
Show that plate and the opposite side of right demonstration board are provided with the fixed hook and hanging hole for using cooperatively, the magnetic demonstration board upper edge is arranged
There are two fixed sliding sashes that can be horizontally slipped, on the upside of the rotating seat, be provided with retainer ring, the retainer ring screw thread is socketed in
On the support bar.The utility model simple structure, reasonable in design.But the function of the utility model is more single can not to meet use
The demand at family.
Utility model content
Problem to be solved in the utility model is to provide a kind of vdiverse in function, practical economics Special teaching demonstration
Frame.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of economics Special teaching is drilled
Show frame, including base, be arranged on the support bar of the base top, be arranged on the blackboard of the support bar top, the base
Bottom be provided with roller, it is characterised in that the left side outer wall of the support bar is provided with cross bar, be provided with the cross bar to
A few clip for being used for wall chart；The back side of the blackboard is disposed with accommodating case, air exhauster, transverse tube from top to bottom, described
The bottom of transverse tube is provided with many sweep-up pipes, and the import of the air exhauster is connected by the first rubber Telescopic air pipe with the transverse tube
Connect, the outlet of the air exhauster is connected by the second rubber Telescopic air pipe with the accommodating case, and the top of the accommodating case is removable
Unload and be provided with lid, in the lid, be provided with pore, dust-break component is provided with the pore, is provided with the support bar
The shift knob being electrically connected with the air exhauster；The back side of the blackboard is located at the both sides of the air exhauster and is respectively arranged with one
Mounting seat, is respectively arranged with a column, is provided with projection at the top of the column at the top of two mounting seats, the column
Upper slip respectively is provided with an engaging lug being connected with the air exhauster, is located between the projection and engaging lug on the column
The first spring is arranged with, and is located on the column and second spring is arranged between the engaging lug and mounting seat.
Preferably, above-mentioned economics Special teaching demo rack, the outer right wall of wherein described support bar are provided with supporting plate,
Montant is provided with the top of the supporting plate, and the outer wall of the montant is provided with least one pole, and the termination of the pole is arranged
There is bill adhesive panel.
Preferably, above-mentioned economics Special teaching demo rack, the outer wall of wherein described accommodating case are provided with least one
Mounting ear, the mounting ear are connected by screw with the back side of the blackboard.
Preferably, above-mentioned economics Special teaching demo rack, the termination of wherein described sweep-up pipe are provided with entering-dust mouth, institute
Entering-dust mouth is stated in up-small and down-big coniform.
Preferably, above-mentioned economics Special teaching demo rack, wherein described dust-break component include the first drainage screen, second
Drainage screen, the sponge being folded between first drainage screen and the second drainage screen.
Of the present utility model have the technical effect that：Economic graph can be suspended on cross bar by clip, be given
Teacher brings convenience；Air exhauster work can be controlled by shift knob, the chalk dust around blackboard follows air to pass sequentially through
Transverse tube, air exhauster are entered in accommodating case, chalk dust is stayed in accommodating case under the stop of dust-break component, it is to avoid chalk dust is dirty
Dye air so that this utility model adds new function again；First spring and second spring can be risen to the vibrations of air exhauster
To the effect for slowing down, strike note is produced because of vibrations with ground so as to avoid this utility model so that this utility model is more
Practical.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the rearview of blackboard in Fig. 1；
Fig. 3 is the structural representation of dust-break component in Fig. 1；
Fig. 4 is partial enlarged drawing at A in Fig. 2.
Specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is further described, so that this utility model
Technical scheme be more readily understood and grasp.
As shown in Figure 1,2,3, 4, a kind of economics Special teaching demo rack, including base 1, is arranged at the top of base 1
Support bar 11, the blackboard 12 being arranged at the top of support bar 11, the bottom of base 1 is provided with roller 14.
The left side outer wall of support bar 11 is provided with cross bar 21, is provided with four clips 22 for wall chart on cross bar 21.
The back side of blackboard 12 is disposed with accommodating case 3, air exhauster 4, transverse tube 5 from top to bottom, and the bottom of transverse tube 5 is provided with
Many sweep-up pipes 51, the import of air exhauster 4 are connected by the first rubber Telescopic air pipe 41 with transverse tube 5, the outlet of air exhauster 4 and appearance
Case 3 is connected by the second rubber Telescopic air pipe 42, and the top side detachable of accommodating case 3 is provided with lid 31, arranges in lid 31
There is pore 32, in pore 32, be provided with dust-break component 6, on support bar 11, be provided with the shift knob being electrically connected with air exhauster 4
43.
The back side of blackboard 12 is located at the both sides of air exhauster 4 and is respectively arranged with a mounting seat 61, the top of two mounting seats 61
A column 62 is respectively arranged with, the top of column 62 is provided with projection 63, being slided on column 62 respectively is provided with one with air exhauster 4
The engaging lug 64 of connection, is located on column 62 and is arranged with the first spring 65 between projection 63 and engaging lug 64, be located on column 62
Second spring 66 is arranged between engaging lug 64 and mounting seat 61.
The outer right wall of wherein support bar 11 is provided with supporting plate 71, and the top of supporting plate 71 is provided with montant 72, montant 72
Outer wall is provided with least one pole 73, and the termination of pole 73 is provided with bill adhesive panel 74.Teacher can be in bill adhesive panel
Some ticket templates are pasted on 74, for Students ' Learning.
The outer wall of wherein accommodating case 3 is provided with least one mounting ear 81, and mounting ear 81 passes through spiral shell with the back side of blackboard 12
Adjusting screw connects, and so design allows user directly to disassemble accommodating case 3, outwells the chalk dust of the inside.
The termination of wherein sweep-up pipe 51 is provided with entering-dust mouth 9, and in up-small and down-big coniform, so design makes entering-dust mouth 9
Obtain chalk dust to be rapidly introduced in sweep-up pipe 51.
Wherein dust-break component 6 includes the first drainage screen 101, the second drainage screen 102, is folded in the first drainage screen 101 and
Sponge 103 between two drainage screens 102, so design cause the dust-break effect of dust-break component 6 to be obviously improved.
Certainly, these are only preferred embodiment of the present utility model, non-therefore limit to patent of the present utility model
Simple modification and the equivalent structure change for it of scope, all utilization this utility model description and schema content institute, all should be wrapped in the same manner
It is contained within scope of patent protection of the present utility model.
Claims (5)
1. a kind of economics Special teaching demo rack, including base, be arranged on the base top support bar, be arranged on described
The blackboard of support bar top, the bottom of the base are provided with roller, it is characterised in that：The left side outer wall of the support bar is arranged
There is cross bar, on the cross bar, be provided with least one clip for being used for wall chart；The back side of the blackboard sets gradually from top to bottom
The bottom for having accommodating case, air exhauster, transverse tube, the transverse tube is provided with many sweep-up pipes, the import of the air exhauster and the horizontal stroke
Gutron crosses the connection of the first rubber Telescopic air pipe, and the outlet of the air exhauster is connected by the second rubber Telescopic air pipe with the accommodating case
Connect, the top side detachable of the accommodating case is provided with lid, in the lid, be provided with pore, in the pore, be provided with dust-break
Component, is provided with the shift knob being electrically connected with the air exhauster on the support bar；The back side of the blackboard is located at described
The both sides of air exhauster are respectively arranged with a mounting seat, are respectively arranged with a column, the column at the top of two mounting seats
Top be provided with projection, on the column respectively slide be provided with an engaging lug being connected with the air exhauster, the column
Upper being located at is arranged with the first spring between the projection and engaging lug, be located between the engaging lug and mounting seat on the column
It is arranged with second spring.
2. economics Special teaching demo rack according to claim 1, it is characterised in that：The outer right wall of the support bar
Supporting plate is provided with, montant at the top of the supporting plate, is provided with, the outer wall of the montant is provided with least one pole, the pole
Termination be provided with bill adhesive panel.
3. economics Special teaching demo rack according to claim 1, it is characterised in that：The outer wall of the accommodating case is arranged
There are at least one mounting ear, the mounting ear to be connected by screw with the back side of the blackboard.
4. economics Special teaching demo rack according to claim 1, it is characterised in that：The termination of the sweep-up pipe is arranged
There is an entering-dust mouth, the entering-dust mouth is in up-small and down-big coniform.
5. economics Special teaching demo rack according to claim 1, it is characterised in that：The dust-break component includes first
Drainage screen, the second drainage screen, the sponge being folded between first drainage screen and the second drainage screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620724708.6U CN206021673U (en) | 2016-07-11 | 2016-07-11 | A kind of economics Special teaching demo rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620724708.6U CN206021673U (en) | 2016-07-11 | 2016-07-11 | A kind of economics Special teaching demo rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206021673U true CN206021673U (en) | 2017-03-15 |
Family
ID=58244521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620724708.6U Expired - Fee Related CN206021673U (en) | 2016-07-11 | 2016-07-11 | A kind of economics Special teaching demo rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206021673U (en) |
-
2016
- 2016-07-11 CN CN201620724708.6U patent/CN206021673U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180711 |