CN211479434U - Demonstration teaching aid with adjustable economic management teaching - Google Patents
Demonstration teaching aid with adjustable economic management teaching Download PDFInfo
- Publication number
- CN211479434U CN211479434U CN202020465658.0U CN202020465658U CN211479434U CN 211479434 U CN211479434 U CN 211479434U CN 202020465658 U CN202020465658 U CN 202020465658U CN 211479434 U CN211479434 U CN 211479434U
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- China
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- support column
- fixedly connected
- front side
- sides
- teaching aid
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Abstract
The utility model discloses a demonstration teaching aid with adjustable economic management teaching, comprising a base plate, the first support column of the equal fixedly connected with in both sides of bottom plate top rear side, the inner chamber swing joint of first support column has the second support column, the top run through threaded connection of the opposite one side of first support column has positioning bolt, the inner chamber swing joint of box has the pivot, the surperficial cover of pivot is equipped with initiative bevel gear. The utility model discloses a set up bottom plate, second support column, chart board, diaphragm, connecting block, arm-tie, first support column, board, movable rod, dead lever, box, montant, initiative bevel gear, pivot, driven bevel gear, constant head tank, locating pin, casing, spring, pull ring, fly leaf, threaded rod and slider's cooperation and use, possess and practiced thrift the teaching time, reduced working strength, conveniently carry out angle modulation to the teaching aid, the less convenient advantage of placing of volume.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a demonstration teaching aid with adjustable economic management teaching.
Background
The teaching aid refers to a model, a real object, a specimen, an instrument, a chart, a slide show and the like for explaining something, and comprises teaching equipment, a teaching instrument, practical training equipment, education equipment, experimental equipment, a teaching specimen, a teaching model and the like.
In economic management teaching process, the demonstration teaching aid that needs to use imparts knowledge to students, and traditional demonstration teaching aid structure is comparatively simple, and the mr needs to explain through drawing statistical chart on the teaching aid, has wasted teaching time through the mr is drawn like this, and increased mr's working strength, and traditional teaching aid is inconvenient carries out the angle modulation to it, is unfavorable for students to watch like this, and current teaching aid is bulky, inconvenient placing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a demonstration teaching aid with adjustable economic management teaching possesses and has practiced thrift teaching time, has reduced working strength, conveniently carries out the angle modulation to the teaching aid, and the advantage of the less convenient placing of volume has solved traditional demonstration teaching aid structure comparatively simple, has wasted teaching time, has increased mr's working strength, and is inconvenient to its angle modulation that carries on, the great inconvenient problem of placing of volume.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable demonstration teaching aid for economic management teaching comprises a bottom plate, wherein first supporting columns are fixedly connected to two sides of the rear side of the top of the bottom plate, a second supporting column is movably connected to the inner cavity of each first supporting column, a positioning bolt is connected to the top of the opposite side of each first supporting column in a penetrating mode through threads, the top of each second supporting column penetrates through the top of each first supporting column and is fixedly connected with a box body, a rotating shaft is movably connected to the inner cavity of each box body, driving bevel gears are sleeved on the surfaces of the rotating shafts, the number of the driving bevel gears is two, threaded rods are movably connected to two sides of the front side of each box body in a penetrating mode, the rear side of each threaded rod extends to the inner cavity of each box body and is sleeved with a driven bevel gear matched with the driving bevel gear for use, a movable rod is connected to the, the surface of the movable rod is movably connected with a fixed rod, the front side of the movable rod penetrates to the front side of the fixed rod and is movably connected with a chart board, both sides of the top of the box body are fixedly connected with vertical rods, the top of each vertical rod is fixedly connected with a transverse plate, the two sides of the front side of the bottom of the transverse plate are both movably connected with connecting blocks, the bottom of the connecting blocks is fixedly connected with the chart board, the inner cavity of the chart board is movably connected with two writing boards, two sides of the rear side of each writing board are respectively provided with a positioning groove, the two sides of the back side of the drawing board are both fixedly connected with a shell, the back side of the shell is movably connected with a pull ring, the front side fixedly connected with locating pin of pull ring, the front side of locating pin runs through casing and drawing board and extends to the inner chamber of constant head tank, the surface of locating pin overlaps in proper order and is equipped with spring and fly leaf.
Preferably, the four corners of the bottom plate are fixedly connected with universal wheels, and one sides, opposite to the two positioning bolts, of the two positioning bolts extend to the inner cavity of the first supporting column and are in contact with the second supporting column.
Preferably, the front side of the first supporting column is fixedly connected with a reinforcing rod, and one side of the reinforcing rod, which is far away from the first supporting column, is fixedly connected with the bottom plate.
Preferably, the connection parts of the top and the bottom of the writing board and the drawing board are movably connected through sliding rails, and the opposite sides of the two writing boards are fixedly connected with pulling boards.
Preferably, the right side of the rotating shaft penetrates through the right side of the box body and is fixedly connected with a rotating handle, and the connecting parts of the surfaces of the rotating shaft and the threaded rod and the box body are movably connected through bearings.
Preferably, the connecting part of the top of the connecting block and the transverse plate is movably connected through a first shaft pin, sliding grooves matched with the sliding blocks are formed in the front side and the rear side of the inner cavity of the fixed rod, and the connecting part of the front side of the movable rod and the drawing board is movably connected through a second shaft pin.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up bottom plate, second support column, chart board, diaphragm, connecting block, arm-tie, first support column, board, movable rod, dead lever, box, montant, initiative bevel gear, pivot, driven bevel gear, constant head tank, locating pin, casing, spring, pull ring, fly leaf, threaded rod and slider's cooperation and use, possess and practiced thrift the teaching time, reduced working strength, the convenience carries out angle modulation to the teaching aid, the less convenient advantage of placing of volume is worth the push rod.
2. The utility model can limit the moving direction of the movable rod by arranging the sliding block and the sliding groove;
the universal wheels are arranged, so that the teaching aid can be moved conveniently;
the reinforcing rods are arranged, so that the teaching aid is firmer;
the writing board can be conveniently moved by arranging the sliding rail;
the writing board can be conveniently pulled out by arranging the pull board;
the rotating shaft can be conveniently rotated by arranging the rotating handle;
the installation of the rotating shaft and the threaded rod can be facilitated by arranging the bearing;
through setting up first pivot, can make swing joint between connecting block and the diaphragm.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a top cross-sectional view of a portion of the structure of the present invention;
fig. 4 is a rear sectional view of the drawing board of the present invention;
FIG. 5 is an enlarged view of A in FIG. 2 according to the present invention;
fig. 6 is an enlarged view of B in fig. 3 according to the present invention.
In the figure: the multifunctional pen rack comprises a base plate 1, a second support column 2, a chart board 3, a transverse plate 4, a connecting block 5, a pulling plate 6, a first support column 7, a writing board 8, a movable rod 9, a fixed rod 10, a box body 11, a vertical rod 12, a driving bevel gear 13, a rotating shaft 14, a driven bevel gear 15, a positioning groove 16, a positioning pin 17, a shell 18, a spring 19, a pulling ring 20, a movable plate 21, a threaded rod 22 and a sliding block 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a bottom plate 1, second support column 2, chart board 3, diaphragm 4, connecting block 5, arm-tie 6, first support column 7, tablet 8, movable rod 9, dead lever 10, box 11, montant 12, drive bevel gear 13, pivot 14, driven bevel gear 15, constant head tank 16, locating pin 17, casing 18, spring 19, pull ring 20, fly leaf 21, threaded rod 22 and slider 23 etc. parts are universal standard or the part that technical staff in the field knows, its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.
Referring to fig. 1-6, an adjustable demonstration teaching aid for economic management teaching comprises a bottom plate 1, wherein both sides of the rear side of the top of the bottom plate 1 are fixedly connected with a first supporting column 7, the inner cavity of the first supporting column 7 is movably connected with a second supporting column 2, the top of the opposite side of the first supporting column 7 is in threaded connection with a positioning bolt, the top of the second supporting column 2 is penetrated to the top of the first supporting column 7 and is fixedly connected with a box body 11, the inner cavity of the box body 11 is movably connected with a rotating shaft 14, the surface of the rotating shaft 14 is sleeved with a driving bevel gear 13, the number of the driving bevel gears 13 is two, both sides of the front side of the box body 11 are in threaded connection with a threaded rod 22, the rear side of the threaded rod 22 is extended to the inner cavity of the box body 11 and is sleeved with a driven bevel gear 15 matched with the driving bevel gear 13, the surface of the threaded, the surface of the movable rod 9 is movably connected with a fixed rod 10, the front side of the movable rod 9 penetrates to the front side of the fixed rod 10 and is movably connected with a chart board 3, both sides of the top of the box body 11 are fixedly connected with vertical rods 12, the top of the vertical rods 12 is fixedly connected with a transverse plate 4, both sides of the front side of the bottom of the transverse plate 4 are movably connected with connecting blocks 5, the bottom of the connecting blocks 5 is fixedly connected with the chart board 3, the inner cavity of the drawing board 3 is movably connected with two writing boards 8, two sides of the rear side of the writing boards 8 are both provided with positioning grooves 16, the two sides of the rear side of the drawing board 3 are fixedly connected with a shell 18, the rear side of the shell 18 is movably connected with a pull ring 20, the front side of the pull ring 20 is fixedly connected with a positioning pin 17, the front side of the positioning pin 17 penetrates through the shell 18 and the drawing board 3 and extends to the inner cavity of the positioning groove 16, and the surface of the positioning pin 17 is sequentially sleeved with a spring 19 and a movable plate 21;
universal wheels are fixedly connected to four corners of the bottom plate 1, and one sides, opposite to the two positioning bolts, of the two positioning bolts extend to the inner cavity of the first support column 7 and are in contact with the second support column 2;
the front side of the first support column 7 is fixedly connected with a reinforcing rod, and one side of the reinforcing rod, which is far away from the first support column 7, is fixedly connected with the bottom plate 1;
the connecting parts of the top and the bottom of the writing boards 8 and the drawing board 3 are movably connected through sliding rails, and the opposite sides of the two writing boards 8 are fixedly connected with pull boards 6;
the right side of the rotating shaft 14 penetrates to the right side of the box body 11 and is fixedly connected with a rotating handle, and the connecting parts of the surfaces of the rotating shaft 14 and the threaded rod 22 and the box body 11 are movably connected through bearings;
the connecting part of the top of the connecting block 5 and the transverse plate 4 is movably connected through a first shaft pin, sliding grooves matched with the sliding blocks 23 are formed in the front side and the rear side of the inner cavity of the fixed rod 10, and the connecting part of the front side of the movable rod 9 and the chart plate 3 is movably connected through a second shaft pin;
the sliding block 23 and the sliding groove are arranged, so that the moving direction of the movable rod 9 can be limited;
the universal wheels are arranged, so that the teaching aid can be moved conveniently;
the reinforcing rods are arranged, so that the teaching aid is firmer;
the writing board 8 can be conveniently moved by arranging the sliding rail;
the writing board 8 can be conveniently pulled out by arranging the pull board 6;
the rotating shaft 14 can be conveniently rotated by arranging the rotating handle;
the installation of the rotating shaft 14 and the threaded rod 22 can be facilitated by arranging the bearing;
through setting up first pivot, can make swing joint between connecting block 5 and the diaphragm 4.
When the drawing board is used, the positioning bolt is unscrewed to adjust the drawing board 3 to a proper height, then the rotating handle is rotated, the rotating shaft 14 rotates along with the rotating shaft, the driving bevel gear 13 and the driven bevel gear 15 drive the threaded rod 22 to rotate, the threaded rod 22 is in threaded fit with the movable rod 9, the movable rod 9 moves forwards, the bottom of the drawing board 3 also moves forwards along with the rotating shaft, the angle of the drawing board 3 can be adjusted, the drawing board is convenient for people to see, the surface of the drawing board 3 is provided with a chart, the chart does not need to be drawn again, the teaching efficiency is improved, the teaching time is saved, when characters need to be written, the pull ring 20 is pulled, the positioning pin 17 is driven by the pull ring 20 to move out of the positioning groove 16, meanwhile, the spring 19 is compressed by the movable plate 21, the writing board 8 is pulled out to two sides, the pull ring 20 is loosened after the drawing board is completely pulled out, the, the tablet 8 is positioned and then writing is performed on the surface of the tablet 8.
In summary, the following steps: this demonstration teaching aid with adjustable economic management teaching, through bottom plate 1, second support column 2, chart board 3, diaphragm 4, connecting block 5, arm-tie 6, first support column 7, board 8, movable rod 9, dead lever 10, box 11, montant 12, drive bevel gear 13, pivot 14, driven bevel gear 15, constant head tank 16, locating pin 17, casing 18, spring 19, pull ring 20, fly leaf 21, threaded rod 22 and slider 23's cooperation is used, it is comparatively simple to have solved traditional demonstration teaching aid structure, the teaching time has been wasted, teacher's working strength has been increased, it is inconvenient to carry out angle modulation to it, the great inconvenient problem of placing of volume.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a demonstration teaching aid with adjustable economic management teaching, includes bottom plate (1), its characterized in that: the improved structure of the bevel gear box is characterized in that first support columns (7) are fixedly connected to two sides of the rear side of the top of the bottom plate (1), a second support column (2) is movably connected to an inner cavity of each first support column (7), a positioning bolt penetrates through the top of the opposite side of each first support column (7), the top of each second support column (2) penetrates through the top of each first support column (7) and is fixedly connected with a box body (11), a rotating shaft (14) is movably connected to the inner cavity of each box body (11), driving bevel gears (13) are sleeved on the surfaces of the rotating shafts (14), two driving bevel gears (13) are arranged, threaded rods (22) are movably connected to two sides of the front side of each box body (11) in a penetrating mode, the rear side of each threaded rod (22) extends to the inner cavity of each box body (11) and is sleeved with driven bevel gears (, the surface of the threaded rod (22) is in threaded connection with a movable rod (9), the right sides of the front side and the rear side of the movable rod (9) are respectively and fixedly connected with a sliding block (23), the surface of the movable rod (9) is movably connected with a fixed rod (10), the front side of the movable rod (9) penetrates through the front side of the fixed rod (10) and is movably connected with a chart board (3), the two sides of the top of the box body (11) are respectively and fixedly connected with a vertical rod (12), the top of the vertical rod (12) is fixedly connected with a transverse plate (4), the two sides of the front side of the bottom of the transverse plate (4) are respectively and movably connected with a connecting block (5), the bottom of the connecting block (5) is fixedly connected with the chart board (3), the inner cavity of the chart board (3) is movably connected with a writing board (8), the number of the writing boards (8) is two, and positioning, the equal fixedly connected with casing (18) in both sides of drawing board (3) rear side, the rear side swing joint of casing (18) has pull ring (20), the front side fixedly connected with locating pin (17) of pull ring (20), the front side of locating pin (17) runs through casing (18) and drawing board (3) and extends to the inner chamber of constant head tank (16), the surface of locating pin (17) overlaps in proper order and is equipped with spring (19) and fly leaf (21).
2. The adjustable demonstration teaching aid for economic management teaching of claim 1, wherein: the four corners of bottom plate (1) bottom is the equal fixedly connected with universal wheel, and two positioning bolt relative one sides extend to the inner chamber of first support column (7) and contact with second support column (2).
3. The adjustable demonstration teaching aid for economic management teaching of claim 1, wherein: the front side fixedly connected with stiffener of first support column (7), one side and bottom plate (1) fixed connection that first support column (7) were kept away from to the stiffener.
4. The adjustable demonstration teaching aid for economic management teaching of claim 1, wherein: the top and the bottom of the writing board (8) are movably connected with the connecting part of the drawing board (3) through sliding rails, and one sides of the two writing boards (8) opposite to each other are fixedly connected with pulling boards (6).
5. The adjustable demonstration teaching aid for economic management teaching of claim 1, wherein: the right side of pivot (14) runs through to the right side of box (11) and fixedly connected with changes the handle, the junction of the surface of pivot (14) and threaded rod (22) and box (11) all passes through bearing swing joint.
6. The adjustable demonstration teaching aid for economic management teaching of claim 1, wherein: the top of connecting block (5) and the junction of diaphragm (4) are through first pivot swing joint, the spout that cooperation slider (23) used is opened to the side around dead lever (10) inner chamber, the front side of movable rod (9) and the junction of drawing board (3) are through second pivot swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020465658.0U CN211479434U (en) | 2020-04-02 | 2020-04-02 | Demonstration teaching aid with adjustable economic management teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020465658.0U CN211479434U (en) | 2020-04-02 | 2020-04-02 | Demonstration teaching aid with adjustable economic management teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479434U true CN211479434U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020465658.0U Expired - Fee Related CN211479434U (en) | 2020-04-02 | 2020-04-02 | Demonstration teaching aid with adjustable economic management teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263088A (en) * | 2020-11-11 | 2021-01-26 | 启迪集群创新研究院(青岛)有限公司 | Electronic information engineering is laboratory table for specialty |
-
2020
- 2020-04-02 CN CN202020465658.0U patent/CN211479434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263088A (en) * | 2020-11-11 | 2021-01-26 | 启迪集群创新研究院(青岛)有限公司 | Electronic information engineering is laboratory table for specialty |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |