CN209199416U - A kind of sand table convenient for Teaching of Economics - Google Patents
A kind of sand table convenient for Teaching of Economics Download PDFInfo
- Publication number
- CN209199416U CN209199416U CN201821858146.XU CN201821858146U CN209199416U CN 209199416 U CN209199416 U CN 209199416U CN 201821858146 U CN201821858146 U CN 201821858146U CN 209199416 U CN209199416 U CN 209199416U
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- CN
- China
- Prior art keywords
- sand table
- cabinet
- teaching
- accommodating chamber
- economics
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Abstract
The utility model discloses a kind of sand tables convenient for Teaching of Economics, including cabinet, lighting mechanism is fixed on the front side wall of cabinet, the top of cabinet offers an accommodating chamber with upward opening, the sand table main body that can be moved up and down is provided in accommodating chamber, the upper end of cabinet is rotatably provided with for covering the clipboard for closing accommodating chamber, placing groove is offered respectively in the left and right sidewall of clipboard, the bottom of placing groove, which upwardly extends, is fixed with limit plate, the back side of clipboard offers mounting groove, telescopic strut is connected in mounting groove, the lower part of cabinet offers storage space, storage space passes through the partition being vertically arranged and is divided into mutually independent left storage chamber and right storage chamber, the rear end of partition offers the sliding slot being in communication with the outside, horizontally movable support base is provided in sliding slot, the upper end of support base is spaced apart equipped with multiple for flexible branch The location hole that bar is placed；Advantage is to protect sand table main body and can improve teaching efficiency.
Description
Technical field
The utility model relates to a kind of sand table more particularly to a kind of sand tables convenient for Teaching of Economics.
Background technique
Economics is the various economic activities studied human society on stages and various corresponding economic passes
The science of the rule of system and its operation, development.Wherein economic activity is people under the premise of certain economic relation, is given birth to
It produces, exchange, distribution, the activity for consuming and having therewith close association, in economic activity, exists larger with less consuming acquirement
The problem of benefit.Economic relation is the correlation that people form in economic activity, in various economic relations, predominantly
Position is the relations of production.Wherein it can greatly improve quality of instruction using sand table in economic teaching.
Having notification number is that the Chinese utility model patent of CN206349015U discloses a kind of economics simulation sand table,
The upper end of pedestal is provided with support frame, and the lower end of vertical lead screw is movably connected on pedestal, and the upper end of vertical lead screw passes through support
Frame is simultaneously connected with the output shaft of motor I, and nut I is arranged on vertical lead screw, and supporting plate is arranged on nut I, sand table main body
Right end is hingedly connected on supporting plate, and the right end of horizontal screw lead is movably connected in the fixing seat on right side, and the left end of horizontal screw lead is worn
It crosses the fixing seat in left side and is connected with the output shaft of motor II, nut II is arranged on horizontal screw lead, and attachment base is fixedly connected
On nut II, the lower end of support frame is hingedly connected on attachment base, and the upper end of support frame is hingedly connected to the bottom of sand table main body
End.Above-mentioned apparatus is able to carry out multi-faceted adjusting, and teaching bandwagon effect is good, and student can be clearly seen that interior on sand table
Hold, it is easy to operate, help to improve quality of instruction.
But above-mentioned apparatus has the following problems: 1, sand table main body is exposed to outer, is easy to be destroyed；2, it has a single function,
Only has the function of demonstration, so that teaching efficiency is not fully up to expectations.
Summary of the invention
The main purpose of the utility model is to provide a kind of sand tables convenient for Teaching of Economics, can protect sand table master
Body and teaching efficiency can be improved.
To achieve the above objectives, the technical solution adopted in the utility model are as follows: a kind of sand table convenient for Teaching of Economics,
Including cabinet, lighting mechanism is fixed on the front side wall of the cabinet, the top of the cabinet, which offers one, to be had upwards
The accommodating chamber of opening, the sand table main body that can be moved up and down is provided in the accommodating chamber, and the upper end of the cabinet can be rotated
It is provided with the clipboard for covering the accommodating chamber described in closing, is respectively arranged with placing groove in the left and right sidewall of the clipboard,
The bottom of the placing groove, which upwardly extends, is fixed with limit plate, and the back side of the clipboard offers mounting groove, described
Telescopic strut is connected in mounting groove, the lower part of the cabinet is provided with storage space, and it is vertical that the storage space passes through
The partition of setting is divided into mutually independent left storage chamber and right storage chamber, and the rear end of the partition, which offers, to be in communication with the outside
Sliding slot is provided with horizontally movable support base in the sliding slot, and the upper end of the support base, which is spaced apart, is equipped with multiple confessions
The location hole that the telescopic strut is placed.
The sand table main body is arranged in the accommodating chamber by elevating mechanism.It is advantageous in that convenient for sand table main body
It is gone up and down.
The elevating mechanism includes four lifting units, and the lifting unit includes screw rod and for driving
The motor for the screw rod rotation stated, the output shaft of the motor are fixed with the screw rod, and the screw rod is rotatably set vertically
It sets in the accommodating chamber, nut set is arranged in four edges of the sand table main body, and the nut set is sheathed on institute
Cooperate on the screw rod stated and with the wire rod thread.In the structure, when the rotation of motor driven screw rod, sand table main body is in nut
It set and is gone up and down under the cooperation of screw rod, stable structure and self-locking property is preferable.
The T-shaped structure of the mounting groove, fixation hole is offered on two inner sidewalls of the mounting groove, and described is flexible
One end of strut is connected in the fixation hole by rotation axis.It is advantageous in that moves in and out convenient for telescopic strut.
Activity is covered with cover board respectively on the left storage chamber and the right storage chamber.In the structure, cover board is set
It sets and plays a protective role for the article of left storage chamber and the storage of right storage chamber.
The bottom of the cabinet is fixed, and there are four universal wheels.It, which is advantageous in that, facilitates whole device mobile.
The lighting mechanism includes two spaced mounting racks and LED light bar, and the LED light bar is fixed on two
Between a mounting rack, and it is electrically connected with the power supply.
The telescopic strut is three-stage telescopic structure.In the structure, three-stage telescopic structure is the prior art, good
It is in the stroke for expanding telescopic strut.
Compared with the prior art, the advantages of the utility model are: the setting of accommodating chamber can accommodate sand table main body, sand table
Main body can then be moved up and down with respect to accommodating chamber, and when not needing to be demonstrated, sand table main body is completely hidden in accommodating chamber, from
And keep sand table main body not exposed, sand table main body is played a certain protective role, when being demonstrated, then by sand table main body
It moves up, presents it to student；The setting of clipboard can facilitate teacher writing, to make teaching not merely
Only common demonstration improves teaching efficiency and then sand table main body is played further when clipboard lid is closed in accommodating chamber
Protective effect；When needing that clipboard is fixed, support base is pulled back, keeps location hole exposed, then by flexible branch
Bar is removed from mounting groove, and elongates telescopic strut, is resisted against one end on location hole, is formed the structure of a triangular shape, from
And play the role of fixed clipboard；The utility model can protect sand table main body and can improve teaching efficiency.
Detailed description of the invention
Fig. 1 is the schematic perspective view one of the utility model；
Fig. 2 is the schematic perspective view two of the utility model；
Fig. 3 is the cross-sectional view of cabinet in the utility model；
Fig. 4 is the schematic perspective view of clipboard in the utility model；
Fig. 5 is the schematic perspective view of the utility model decomposing state.
Specific embodiment
Invention is described in further detail below in conjunction with figure embodiment.
Embodiment: as shown, a kind of sand table convenient for Teaching of Economics, including cabinet 1, on the front side wall of cabinet 1
It is fixed with lighting mechanism 2, the top of cabinet 1 offers an accommodating chamber 11 with upward opening, is provided with energy in accommodating chamber 11
The sand table main body 3 moved up and down, the upper end of cabinet 1 are rotatably provided with for covering the clipboard 4 for closing accommodating chamber 11, clipboard 4
Left and right sidewall on offer placing groove 41 respectively, a part of placing groove 41 as clipboard 4 is and its one to place
The bottom of slot 41, which upwardly extends, is fixed with limit plate 42, and the back side of clipboard 4 offers mounting groove 43, is connected in mounting groove 43
Telescopic strut 5, the lower part of cabinet 1 offer storage space, and it is mutually indepedent that storage space, which passes through the partition 12 being vertically arranged to divide,
Left storage chamber 13 and right storage chamber 14, the rear end of partition 12 offers the sliding slot 15 being in communication with the outside, is provided in sliding slot 15
Horizontally movable support base 16, the upper end of support base 16 are spaced apart equipped with multiple location holes 17 placed for telescopic strut 5.
Sand table main body 3 is arranged in accommodating chamber 11 by elevating mechanism 6.
Elevating mechanism 6 includes four lifting units 61, and each lifting unit 61 is including screw rod and for driving screw rod to rotate
Motor, output shaft and the screw rod of motor fix, and screw rod is rotatably provided in accommodating chamber vertically, four sides of sand table main body 3
Nut is set at angle and covers 62, nut set 62 is sheathed on screw rod and cooperates with wire rod thread.
The T-shaped structure of mounting groove 43, fixation hole is offered on two inner sidewalls of mounting groove 43, and one end of telescopic strut 5 is logical
Rotation axis 51 is crossed to be connected in fixation hole.
Activity is covered with cover board 18 respectively on left storage chamber 13 and right storage chamber 14.
The bottom of cabinet 1 is fixed, and there are four universal wheels 19.
Lighting mechanism 2 includes two spaced mounting racks 21 and LED light bar 22, and LED light bar 22 is fixed on two peaces
It shelves between 21, and is electrically connected with the power supply.Wherein power supply is battery, is arranged in cabinet, both can be LED light bar 22
Electric power is provided, and electric power can be provided for motor.
Telescopic strut 5 is three-stage telescopic structure.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
Additionally while the embodiments of the present invention have been shown and described, for those of ordinary skill in the art and
Speech, it is possible to understand that a variety of changes can be carried out to these embodiments in the case where not departing from the principles of the present invention and spirit
Change, modification, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of sand table convenient for Teaching of Economics, it is characterised in that: fixed on the front side wall of the cabinet including cabinet
There is lighting mechanism, the top of the cabinet offers an accommodating chamber with upward opening, is provided in the accommodating chamber
The sand table main body that can be moved up and down, the upper end of the cabinet are rotatably provided with for covering the writing for closing the accommodating chamber
Plate offers placing groove in the left and right sidewall of the clipboard respectively, and the bottom of the placing groove, which upwardly extends, to be fixed with
Limit plate, the back side of the clipboard offer mounting groove, and telescopic strut, the cabinet are connected in the mounting groove
Lower part offer storage space, the storage space pass through the partition being vertically arranged be divided into mutually independent left storage chamber and
Right storage chamber, the rear end of the partition offer the sliding slot being in communication with the outside, are provided in the sliding slot horizontally moveable
Support base, the upper end of the support base is spaced apart equipped with multiple location holes placed for the telescopic strut.
2. a kind of sand table convenient for Teaching of Economics according to claim 1, it is characterised in that: the sand table main body
It is arranged in the accommodating chamber by elevating mechanism.
3. a kind of sand table convenient for Teaching of Economics according to claim 2, it is characterised in that: the elevating mechanism
Including four lifting units, each lifting unit includes screw rod and the motor for driving the screw rod to rotate, institute
The output shaft for the motor stated is fixed with the screw rod, and the screw rod is rotatably provided in vertically in the accommodating chamber, institute
Four edges of the sand table main body stated are arranged nut set, the nut set be sheathed on the screw rod and with the silk
Bar is threadedly engaged.
4. a kind of sand table convenient for Teaching of Economics according to claim 1, it is characterised in that: the mounting groove is in
T-type structure, fixation hole is offered on two inner sidewalls of the mounting groove, and one end of the telescopic strut passes through rotation axis and connects
It connects in the fixation hole.
5. a kind of sand table convenient for Teaching of Economics according to claim 1, it is characterised in that: the left storage chamber
With activity is covered with cover board respectively on the right storage chamber.
6. a kind of sand table convenient for Teaching of Economics according to claim 1, it is characterised in that: the bottom of the cabinet
Portion is fixed, and there are four universal wheels.
7. a kind of sand table convenient for Teaching of Economics according to claim 1, it is characterised in that: the lighting mechanism
Including two spaced mounting racks and LED light bar, the LED light bar is fixed between two mounting racks, and and power supply
It is electrically connected.
8. a kind of sand table convenient for Teaching of Economics according to claim 1, it is characterised in that: the telescopic strut
For three-stage telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821858146.XU CN209199416U (en) | 2018-11-12 | 2018-11-12 | A kind of sand table convenient for Teaching of Economics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821858146.XU CN209199416U (en) | 2018-11-12 | 2018-11-12 | A kind of sand table convenient for Teaching of Economics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199416U true CN209199416U (en) | 2019-08-02 |
Family
ID=67411233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821858146.XU Expired - Fee Related CN209199416U (en) | 2018-11-12 | 2018-11-12 | A kind of sand table convenient for Teaching of Economics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209199416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113888951A (en) * | 2021-11-10 | 2022-01-04 | 张帆 | Teaching sand table device based on marketing usefulness |
-
2018
- 2018-11-12 CN CN201821858146.XU patent/CN209199416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113888951A (en) * | 2021-11-10 | 2022-01-04 | 张帆 | Teaching sand table device based on marketing usefulness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |