CN214671326U - Be applied to chart teaching device of national trade specialty economics - Google Patents

Abstract

The utility model discloses a be applied to chart teaching device of national trade specialty economics, including the base frame, the inside of base frame is provided with rotary mechanism, the top fixedly connected with support column of base frame. This be applied to chart teaching device of country trade specialty economics is through the in-process that uses at the inside transparent section of thick bamboo of packing of chart teaching device top platform, in the flip structure that top platform both sides set up, turn over two sets of boards after turning over the both sides of going over from top platform one end through articulated seat, in-process that the part that uses top platform internally mounted seat etc. was taught, can turn over on the board of board inside and carry out supplementary show teaching in the writing content of writing on both sides simultaneously, the both ends that turn over the board are provided with the board respectively, still can use when turning over the board and close when top platform one end both sides, the board can also carry out outside protection to the inside part of top platform simultaneously, the problem of not having the comparatively inconvenient problem of the regional use of the teaching of writing of a kind of outside is solved.

Description

Be applied to chart teaching device of national trade specialty economics

Technical Field

The utility model relates to a teaching technical field specifically is a be applied to chart teaching device of national trade specialty economics.

Background

Economics is a subject for studying economic activities and corresponding economic relations in various stages and operation and development rules among the economic activities and the corresponding economic relations, some national trade professionals of the university need to use chart teaching devices for economics in the process of economics teaching, but some existing chart teaching devices for the economic sciences of the national trade professionals still have some defects in the use process, such as inconvenience in adjusting the height of the teaching devices and the angle of the teaching devices, and no external handwriting teaching area is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to chart teaching device of national trade specialty economics to propose the problem of being not convenient for highly adjusting teaching device in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chart teaching device applied to national trade professional economics comprises a base platform, wherein a rotating mechanism is arranged inside the base platform, a supporting column is fixedly connected to the top end of the base platform, a top platform is arranged at the top end of the supporting column, a plurality of groups of transparent packing cylinders are arranged inside the top platform, turning structures are respectively arranged on two sides of one end of the top platform, a top frame is fixedly connected to the top end inside the top platform, first inner grooves are respectively and transversely formed in two ends of the top frame, a packing box is arranged at the top end of the top platform, first sliding blocks are respectively and fixedly connected to two ends of the packing box and embedded in the first inner grooves, a discharge port is fixedly connected to the bottom end of the packing box and penetrates through the bottom end of the top frame, a second inner groove is transversely formed in the bottom end of one end of the top platform, a plurality of groups of mounting seats are arranged at the bottom end of the top platform, and the bottom of mount pad is fixedly connected with second slider respectively, and the second slider inlays respectively in the inside of second inside groove, the inside both sides of top platform fixedly connected with scale respectively, the inside of support column is provided with elevating system.

Preferably, elevating system includes the overcoat, overcoat swing joint is on the inside top of support column, the bottom fixedly connected with driven bevel gear of overcoat, the inside vertical lift post that is provided with of overcoat, the inside of support column both sides is the vertical guide bar that is provided with respectively, one side fixedly connected with second servo motor of support column, and second servo motor's output shaft runs through one side and the fixedly connected with initiative bevel gear of support column.

Preferably, the outside of lift post is provided with the external screw thread, the inside of overcoat is provided with the interior screw thread that matches with external screw thread matched with internal screw thread, constitute threaded connection between lift post and the overcoat, the top of lift post and the bottom fixed connection of top platform, the top of guide bar runs through the top of support column respectively and with the bottom fixed connection of top platform, meshing connection between initiative bevel gear and the driven bevel gear.

Preferably, rotary mechanism comprises inner chamber, carousel, annular ring gear, stand, footing, leading wheel, driving gear, first servo motor and chassis, the inner chamber sets up the inside at the sill, the inside top of inner chamber is provided with the carousel, and the top of carousel run through the sill the top and with the bottom fixed connection of support column, the bottom fixedly connected with annular ring gear of carousel, the intermediate position department fixedly connected with stand of carousel bottom, the both sides of carousel bottom fixedly connected with footing respectively, the inside of footing is provided with the leading wheel respectively, the first servo motor of one side fixedly connected with of the inside bottom of inner chamber, and first servo motor's output shaft fixedly connected with driving gear, the inside bottom fixedly connected with chassis of inner chamber.

Preferably, the bottom end of the upright column is movably connected with the bottom end inside the inner cavity, the annular gear ring is meshed with the driving gear, an annular inner groove is formed in the top end of the chassis, and the guide wheels are embedded in the chassis respectively.

Preferably, flip structure comprises articulated seat, preformed groove, board and the board that turns over, articulated seat fixed connection is respectively in the both sides of top platform one end, one side of articulated seat articulates respectively has the board that turns over, and turns over the inside at board both ends and be provided with the preformed groove respectively, the inside of preformed groove is fixedly connected with board respectively.

Preferably, two groups of the writing boards are respectively arranged inside the turning plates, and the turning plates are respectively and symmetrically distributed around the vertical center line of the top table.

Compared with the prior art, the beneficial effects of the utility model are that: the chart teaching device applied to the economy of the country trade major not only realizes convenient adjustment of the height of the chart teaching device and convenient adjustment of the angle of the chart teaching device, but also realizes that a handwritten teaching area is arranged outside the chart teaching device;

(1) when the height of the chart teaching device needs to be adjusted in the using process of the chart teaching device, a second servo motor, a guide rod, a lifting column, an outer sleeve, a driven bevel gear and a driving bevel gear are arranged, in a lifting mechanism arranged in the supporting column, by starting a switch of the second servo motor, an output shaft of the second servo motor drives the driving bevel gear to rotate, the driving bevel gear rotates to drive the driven bevel gear in meshed connection to rotate, the driven bevel gear rotates to drive the outer sleeve to rotate at the top end in the supporting column, the outer sleeve in internal threaded connection is driven to lift in the supporting column, so that the height of a top table at the top end is adjusted in a lifting mode, meanwhile, two groups of guide rods on two sides slide up and down on two sides of the supporting column, the limit and the support are carried out on the lifting process of the top table, and the height of the chart teaching device is convenient to adjust;

(2) by arranging the inner cavity, the rotary table, the annular gear ring, the upright post, the bottom foot, the guide wheel, the driving gear, the first servo motor and the chassis, when the chart teaching device is used and the teaching angle of the top platform in the multi-chart teaching device is required to be adjusted, in a rotating mechanism arranged inside the bottom table, by starting a switch of a first servo motor, the first servo motor is electrified and started to drive a driving gear to rotate through an output shaft, the driving gear and an annular gear ring are mutually meshed, the driving gear rotates to drive the annular gear ring to rotate, a turntable, a top supporting column and the top table are driven to rotate, so that the teaching angle of the top table is rotatably adjusted in different directions, meanwhile, the fixed guide wheels on the two sides can do circular rotation motion in an annular inner groove in the top end of the chassis, so that the rotation motion of the turntable is limited and guided, and the angle of the chart teaching device can be conveniently adjusted;

(3) through being provided with articulated seat, the preformed groove, the board and turn over the board, at the in-process that chart teaching device top platform inside transparent packing section of thick bamboo was using, in the flip structure that top platform both sides set up, turn over two sets of boards after turning over the both sides upset of board from top platform one end through articulated seat, in-process that the part that uses top platform internally mounted seat etc. was taught, can turn over on the board of board inside at both sides simultaneously and write by hand the content and assist the show teaching, the both ends that turn over the board are provided with the board respectively, still can use when turning over the board and close when top platform one end both sides, the board can also carry out outside protection to the part of top platform inside simultaneously.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of an enlarged partial cross-section of the elevating mechanism in front view;

fig. 3 is a schematic view of an enlarged partial cross-section of the rotating mechanism in front view;

fig. 4 is an enlarged schematic view of the front view partial section of the flip structure of the present invention.

In the figure: 1. a base table; 2. a rotation mechanism; 201. an inner cavity; 202. a turntable; 203. an annular ring gear; 204. a column; 205. footing; 206. a guide wheel; 207. a driving gear; 208. a first servo motor; 209. a chassis; 3. a support pillar; 4. a mounting seat; 5. a turning structure; 501. a hinged seat; 502. reserving a groove; 503. a writing board; 504. turning over a plate; 6. a top stage; 7. a stuffing box; 8. a first slider; 9. a discharge port; 10. a first inner tank; 11. a top frame; 12. a transparent filler cartridge; 13. a scale; 14. a second slider; 15. a second inner tank; 16. a second servo motor; 17. a guide bar; 18. a lifting column; 19. a jacket; 20. a driven bevel gear; 21. a drive bevel gear.

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.

Example 1: referring to fig. 1-4, a chart teaching device applied to the professional economics of national trade comprises a bottom table 1, a rotating mechanism 2 is arranged inside the bottom table 1, a supporting column 3 is fixedly connected to the top end of the bottom table 1, a top table 6 is arranged at the top end of the supporting column 3, a plurality of groups of transparent packing cylinders 12 are arranged inside the top table 6, turning structures 5 are respectively arranged on two sides of one end of the top table 6, a top frame 11 is fixedly connected to the top end of the inside of the top table 6, first inner grooves 10 are respectively and transversely arranged inside two ends of the top frame 11, a packing box 7 is arranged at the top end of the top table 6, first sliding blocks 8 are respectively and fixedly connected to two ends of the packing box 7, the first sliding blocks 8 are respectively embedded inside the first inner grooves 10, a discharge port 9 is fixedly connected to the bottom end of the packing box 7, the bottom end of the discharge port 9 is arranged through the bottom end of the top frame 11, a second inner groove 15 is transversely arranged inside one end of the top table 6, a plurality of groups of mounting seats 4 are arranged at the bottom end of the top table 6, second sliding blocks 14 are fixedly connected to the bottom ends of the mounting seats 4 respectively, the second sliding blocks 14 are embedded in second inner grooves 15 respectively, scales 13 are fixedly connected to two sides of the interior of the top table 6 respectively, and a lifting mechanism is arranged in the support column 3;

referring to fig. 1-4, a chart teaching device applied to the economy of national trade specialties further comprises a lifting mechanism, the lifting mechanism comprises an outer sleeve 19, the outer sleeve 19 is movably connected to the top end of the inside of the supporting column 3, a driven bevel gear 20 is fixedly connected to the bottom end of the outer sleeve 19, a lifting column 18 is vertically arranged inside the outer sleeve 19, guide rods 17 are vertically arranged inside two sides of the supporting column 3 respectively, a second servo motor 16 is fixedly connected to one side of the supporting column 3, and an output shaft of the second servo motor 16 penetrates through one side of the supporting column 3 and is fixedly connected with a driving bevel gear 21;

the outer part of the lifting column 18 is provided with an external thread, the inner part of the outer sleeve 19 is provided with an internal thread matched with the external thread, the lifting column 18 is in threaded connection with the outer sleeve 19, the top end of the lifting column 18 is fixedly connected with the bottom end of the top table 6, the top ends of the guide rods 17 respectively penetrate through the top ends of the supporting columns 3 and are fixedly connected with the bottom end of the top table 6, and the driving bevel gear 21 is in meshed connection with the driven bevel gear 20;

specifically, as shown in fig. 1 and fig. 2, when the height of the chart teaching device needs to be adjusted in the using process of the chart teaching device, in the lifting mechanism arranged inside the supporting column 3, by starting the switch of the second servo motor 16, the output shaft of the second servo motor 16 drives the driving bevel gear 21 to rotate, the driving bevel gear 21 rotates to drive the driven bevel gear 20 in meshed connection to rotate, the driven bevel gear 20 rotates to drive the outer sleeve 19 to rotate at the top end inside the supporting column 3, the outer sleeve 19 in internal threaded connection is driven to lift inside the supporting column 3 to adjust the height of the top table 6 at the top end, and meanwhile, the two groups of guide rods 17 on the two sides slide up and down on the two sides of the supporting column 3 to limit and support the lifting process of the top table 6, so as to adjust the height of the chart teaching device conveniently.

Example 2: the rotating mechanism 2 comprises an inner cavity 201, a rotary table 202, an annular gear ring 203, a stand column 204, a bottom foot 205, a guide wheel 206, a driving gear 207, a first servo motor 208 and a chassis 209, wherein the inner cavity 201 is arranged inside the base table 1, the rotary table 202 is arranged at the top end inside the inner cavity 201, the top end of the rotary table 202 penetrates through the top end of the base table 1 and is fixedly connected with the bottom end of the support column 3, the annular gear ring 203 is fixedly connected with the bottom end of the rotary table 202, the stand column 204 is fixedly connected at the middle position of the bottom end of the rotary table 202, the bottom foot 205 is respectively and fixedly connected with two sides of the bottom end of the rotary table 202, the guide wheel 206 is respectively arranged inside the bottom foot 205, the first servo motor 208 is fixedly connected with one side of the bottom end inside the inner cavity 201, the driving gear 207 is fixedly connected with an output shaft of the first servo motor 208, and the chassis 209 is fixedly connected with the bottom end inside the inner cavity 201;

the bottom end of the upright column 204 is movably connected with the bottom end inside the inner cavity 201, the annular gear ring 203 is meshed with the driving gear 207, an annular inner groove is formed inside the top end of the chassis 209, and the guide wheels 206 are respectively embedded inside the chassis 209;

specifically, as shown in FIGS. 1 and 3, when the teaching angle of the top stage 6 of the multi-chart teaching apparatus is required to be adjusted during the use of the chart teaching apparatus, in the rotating mechanism 2 arranged inside the bottom table 1, by starting the switch of the first servo motor 208, the first servo motor 208 is electrified and started to drive the driving gear 207 to rotate through the output shaft, the driving gear 207 and the annular gear ring 203 are mutually meshed, the driving gear 207 rotates to drive the annular gear ring 203 to rotate, the turntable 202, the top supporting column 3 and the top table 6 are driven to rotate, so that the teaching angle of the top table 6 is rotatably adjusted in different directions, meanwhile, the two side fixed guide wheels 206 can do circular rotation motion in an annular inner groove in the top end of the base plate 209, so that the rotation motion of the turntable 202 is limited and guided, and the angle of the chart teaching device can be conveniently adjusted.

Example 3: the turnover structure 5 comprises a hinged seat 501, a reserved groove 502, writing boards 503 and turning boards 504, wherein the hinged seat 501 is fixedly connected to two sides of one end of the top table 6 respectively, the turning boards 504 are hinged to one side of the hinged seat 501 respectively, the reserved grooves 502 are arranged inside two ends of the turning boards 504 respectively, the writing boards 503 are fixedly connected inside the reserved grooves 502 respectively, two groups of the writing boards 503 are arranged inside the turning boards 504 respectively, and the turning boards 504 are symmetrically distributed about the vertical center line of the top table 6 respectively;

specifically, as shown in fig. 1 and 4, in the process of using the transparent stuffing cylinder 12 inside the top table 6 of the chart teaching device, in the turning structures 5 arranged on both sides of the top table 6, after two groups of turning plates 504 are turned over from both sides of one end of the top table 6 through the hinge seats 501, in the process of teaching by using components such as the mounting seats 4 inside the top table 6, the handwriting content can be displayed and taught on the writing boards 503 inside the turning plates 504 on both sides, the writing boards 503 are respectively arranged on both ends of the turning plates 504, and the turning plates 504 can be used when being closed on both sides of one end of the top table 6, and meanwhile, the writing boards 503 can also protect the components inside the top table 6 from outside.

The working principle is as follows: when the utility model is used, after the fine sand is added into the stuffing box 7, the stuffing box 7 slides in the first inner grooves 10 in the two ends of the top frame 11 by using the first slide block 8, the discharge port 9 at the bottom end of the stuffing box 7 is aligned to the top ends of different transparent seasoning cylinders 12, the switch on the discharge port 9 is opened to lead the fine sand comparison scale 13 in the stuffing box 7 into the transparent seasoning cylinders 12, the teaching demonstration is carried out by leading the fine sand with different heights into a plurality of groups of transparent seasoning cylinders 12 to imitate the chart, meanwhile, in the turning structures 5 arranged at the two sides of the top table 6, after two groups of turning plates 504 are turned over from the two sides of one end of the top table 6 by the hinged seats 501, in the process of teaching by using the parts such as the mounting seats 4 and the like in the top table 6, the handwriting content on the writing boards 503 in the turning plates 504 at the two sides can be simultaneously used for the auxiliary demonstration teaching, the two ends of the turning plate 504 are respectively provided with a writing board 503, when the turning plate 504 is closed on the two sides of one end of the top table 6, the turning plate can still be used, meanwhile, the writing board 503 can also perform external protection on components inside the top table 6, when the height of the turning plate is required to be adjusted in the use process of the chart teaching device, in the lifting mechanism arranged inside the supporting column 3, by starting the switch of the second servo motor 16, the output shaft of the second servo motor 16 drives the driving bevel gear 21 to rotate, the driving bevel gear 21 rotates to drive the driven bevel gear 20 in meshing connection to rotate, the driven bevel gear 20 rotates to drive the outer sleeve 19 to rotate at the top end inside the supporting column 3, the outer sleeve 19 in internal threaded connection is driven to lift inside the supporting column 3 to adjust the height of the top table 6 at the top end, and simultaneously, the two groups of guide rods 17 on the two sides slide up and down on the two sides of the supporting column 3, the lifting process of the top table 6 is limited and supported, the height of the chart teaching device is convenient to adjust, and when the teaching angle of the top table 6 in the multi-chart teaching device is required to be adjusted, in the rotating mechanism 2 arranged inside the bottom table 1, by starting the switch of the first servo motor 208, the first servo motor 208 is electrified and started to drive the driving gear 207 to rotate through the output shaft, the driving gear 207 and the annular gear ring 203 are mutually meshed, the driving gear 207 rotates to drive the annular gear ring 203 to rotate, the turntable 202, the top supporting column 3 and the top table 6 are driven to rotate, so that the teaching angle of the top table 6 is rotatably adjusted in different directions, meanwhile, the two side fixed guide wheels 206 can do circular rotation motion in an annular inner groove in the top end of the base plate 209, so that the rotation motion of the turntable 202 is limited and guided, and the angle of the chart teaching device can be conveniently adjusted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a be applied to chart teaching device of national trade specialty economics, includes base frame (1), its characterized in that: the inner part of the bottom platform (1) is provided with a rotating mechanism (2), the top end of the bottom platform (1) is fixedly connected with a supporting column (3), the top end of the supporting column (3) is provided with a top platform (6), a plurality of groups of transparent packing cylinders (12) are arranged in the top platform (6), two sides of one end of the top platform (6) are respectively provided with a turnover structure (5), the top end of the inner part of the top platform (6) is fixedly connected with a top frame (11), first inner grooves (10) are respectively and transversely arranged in the inner parts of two ends of the top frame (11), the top end of the top platform (6) is provided with a packing box (7), two ends of the packing box (7) are respectively and fixedly connected with first sliding blocks (8), the first sliding blocks (8) are respectively embedded in the first inner grooves (10), the bottom end of the packing box (7) penetrates through the inner part of the top frame (11) and is fixedly connected with a discharge hole (9), and the bottom of discharge gate (9) runs through the bottom of top frame (11), the inside of top platform (6) one end bottom transversely is provided with second inside groove (15), the bottom of top platform (6) is provided with multiunit mount pad (4), and the bottom of mount pad (4) is fixedly connected with second slider (14) respectively, and second slider (14) inlays the inside in second inside groove (15) respectively, fixedly connected with scale (13) respectively are distinguished to the both sides of top platform (6) inside, the inside of support column (3) is provided with elevating system.

2. The chart teaching device applied to national trade professional economics of claim 1 wherein: elevating system includes overcoat (19), overcoat (19) swing joint is on the inside top of support column (3), the bottom fixedly connected with driven bevel gear (20) of overcoat (19), the inside of overcoat (19) is vertical to be provided with lift post (18), the inside of support column (3) both sides is vertical respectively to be provided with guide bar (17), one side fixedly connected with second servo motor (16) of support column (3), and the output shaft of second servo motor (16) runs through one side and fixedly connected with initiative bevel gear (21) of support column (3).

3. The chart teaching device applied to national trade professional economics of claim 2 wherein: the lifting column is characterized in that an external thread is arranged outside the lifting column (18), an internal thread matched with the external thread is arranged inside the outer sleeve (19), the lifting column (18) and the outer sleeve (19) are in threaded connection, the top end of the lifting column (18) is fixedly connected with the bottom end of the top platform (6), the top end of the guide rod (17) penetrates through the top end of the supporting column (3) and is fixedly connected with the bottom end of the top platform (6), and the driving bevel gear (21) and the driven bevel gear (20) are in meshed connection.

4. The chart teaching device applied to national trade professional economics of claim 1 wherein: the rotating mechanism (2) comprises an inner cavity (201), a turntable (202), an annular gear ring (203), a stand column (204), a bottom foot (205), a guide wheel (206), a driving gear (207), a first servo motor (208) and a chassis (209), wherein the inner cavity (201) is arranged inside the base platform (1), the turntable (202) is arranged at the top end inside the inner cavity (201), the top end of the turntable (202) penetrates through the top end of the base platform (1) and is fixedly connected with the bottom end of the support column (3), the annular gear ring (203) is fixedly connected with the bottom end of the turntable (202), the stand column (204) is fixedly connected with the middle position of the bottom end of the turntable (202), the bottom feet (205) are fixedly connected with two sides of the bottom end of the turntable (202) respectively, the guide wheels (206) are arranged inside the bottom feet (205) respectively, and the first servo motor (208) is fixedly connected with one side of the bottom end inside the inner cavity (201), and the output shaft of the first servo motor (208) is fixedly connected with a driving gear (207), and the bottom end inside the inner cavity (201) is fixedly connected with a chassis (209).

5. The chart teaching device applied to national trade professional economics of claim 4 wherein: the bottom end of the upright column (204) is movably connected with the bottom end inside the inner cavity (201), the annular gear ring (203) is meshed with the driving gear (207), an annular inner groove is formed in the top end of the chassis (209), and the guide wheels (206) are embedded inside the chassis (209) respectively.

6. The chart teaching device applied to national trade professional economics of claim 1 wherein: flip structure (5) are by articulated seat (501), reserve tank (502), board (503) and turn over board (504) and constitute, articulated seat (501) fixed connection respectively is in the both sides of top platform (6) one end, one side of articulated seat (501) articulates respectively has turns over board (504), and turns over the inside at board (504) both ends and be provided with reserve tank (502) respectively, the inside of reserve tank (502) is fixedly connected with board (503) respectively.

7. The chart teaching device applied to national trade professional economics of claim 6 wherein: two groups of the writing boards (503) are respectively arranged inside the turning plates (504), and the turning plates (504) are respectively and symmetrically distributed around the vertical center line of the top table (6).

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