CN213339154U

CN213339154U - National trade customs teaching contrast learning device

Info

Publication number: CN213339154U
Application number: CN202022525186.6U
Authority: CN
Inventors: 占晨希; 杨裕恺; 谢宇龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-01
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a state trade newspaper customs teaching contrast learning device, including removing the base, the upper end of removing the base is provided with the support sleeve, remove the one end of base and install adjustment mechanism, adjustment mechanism includes fixed box, rotation handle, rolling gear, rotation disc, fixed disc, clamping screw, support sleeve's internal connection has the removal rack, the upper end of removing the rack and the support sleeve's upside are provided with the connecting rod, the upper end of connecting rod is provided with the fixed plate, the one end of fixed plate is provided with the cardboard, the internal connection of cardboard has the axis of rotation, the outside of axis of rotation and the inboard of cardboard are connected with the teaching board, the front end of teaching board is connected with magnetic pressure block. A state trade newspaper customs teaching contrast learning device, can adjust the height of fixed plate, teaching board, the upset of teaching board of can being convenient for, it is more convenient to be convenient for the use of the teaching board of being convenient for.

Description

National trade customs teaching contrast learning device

Technical Field

The utility model relates to a contrast learning technical field, in particular to state trade customs teaching contrast learning device.

Background

The international trade is the abbreviation of international trade, which refers to the exchange activity of goods and labor between different countries, and customs declaration refers to the procedure of declaration to customs before shipment of import and export goods, according to the regulations of the customs law in China: all goods that are business turn over national boundary must be via the harbour that is equipped with the customs, the station, international aviation station, and declare to the customs by the goods owner, pass through the customs and release the back, just the goods can be drawed or shipment export insulating preventive test regulation rule, need use contrast learning device at the customs teaching in-process of state trade, current contrast learning device has some shortcomings, firstly, the highly inconvenient regulation of contrast learning device, adjusting device's whole height of being inconvenient for, secondly, contrast learning device is inconvenient for the rotation of teaching board when using, in order to solve above-mentioned problem, we have proposed a state trade customs teaching contrast learning device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a national trade customs teaching contrast learning device, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a national trade customs teaching contrast learning device comprises a movable base, wherein a supporting sleeve is arranged at the upper end of the movable base, an adjusting mechanism is installed at one end of the movable base and comprises a fixed box, a rotating handle, a rotating gear, a rotating disc, a fixed disc and a fixed screw rod, a movable rack is connected inside the supporting sleeve, a connecting rod is arranged at the upper end of the movable rack and on the upper side of the supporting sleeve, a fixed plate is arranged at the upper end of the connecting rod, a clamping plate is arranged at one end of the fixed plate, a rotating shaft is connected inside the clamping plate, a teaching board is connected outside the rotating shaft and on the inner side of the clamping plate, a magnetic pressing block is connected at the front end of the teaching board, a fixed sleeve is arranged at the upper end of the clamping plate, a connecting spring is arranged inside the fixed sleeve, and a limiting pin is arranged at the upper end of, the inside of teaching board and the outside of spacer pin have seted up the draw-in groove.

Preferably, the one end of fixed box and the one end fixed connection of support sleeve, the internal connection of fixed box has a rotating gear, rotating gear's front end and the front side of fixed box are connected with the rotation handle, rotating gear's rear end and the rear side of fixed box are connected with the rotating disc, the rear end of fixed box and the outside of rotating disc are provided with fixed disc, the inside of fixed disc, rotating disc all is connected with clamping screw.

Preferably, one end of the fixed box is fixedly connected with one end of the supporting sleeve, the rotating gear is rotatably connected with the fixed box, the rear end of the rotating handle is fixedly connected with the front end of the rotating gear, the front end of the rotating disc is fixedly connected with the rear end of the rotating gear, the fixed disc is fixedly connected with the fixed box, and the fixed screw is movably connected with the fixed disc and the rotating disc.

Preferably, the lower end of the support sleeve is fixedly connected with the upper end of the movable base, the outer surface of the movable rack is movably connected with the inner surface of the support sleeve, the movable rack is movably connected with the rotating gear, and the lower end of the connecting rod is fixedly connected with the upper end of the movable rack.

Preferably, the lower end of the fixed plate is fixedly connected with the upper end of the connecting rod, one end of the clamping plate is fixedly connected with one end of the fixed plate, the teaching plates are movably connected with the rotating shaft, the number of the teaching plates is two, the magnetic pressing blocks are movably connected with the clamping plate, and the lower end of the fixed sleeve is fixedly connected with the upper end of the clamping plate.

Preferably, the connecting springs are fixedly connected with the fixed sleeve, the lower ends of the limiting pins are fixedly connected with the upper ends of the connecting springs, the limiting pins are four in number, and the clamping grooves are fixedly connected with the teaching board.

Compared with the prior art, the utility model discloses following beneficial effect has: a national trade customs teaching contrast learning device is provided, when in use, a rotating handle can drive a rotating gear to rotate, the rotating gear can drive a moving rack to move up and down, and simultaneously can drive a rotating disc to rotate, so that the height of a fixed plate and a teaching plate can be adjusted, when the fixed plate is adjusted to a proper position, a fixed screw can penetrate through the fixed disc and be fixed in the rotating disc, the rotation of the rotating disc can be limited, the position of the rotating disc is fixed, the rotation of the rotating gear can be limited, the position of the fixed plate can be fixed, the overall height of the fixed plate and the teaching plate can be conveniently adjusted, a limit pin can be taken out from the inside of a clamping groove under the action of a connecting spring, the teaching plate can rotate under the action of a rotating shaft, the teaching plate can be turned over, when the position of the teaching plate is required to be fixed, can be with the inside of spacer pin card at the draw-in groove, be convenient for restrict the position of teaching board for the two sides of teaching board can all use.

Drawings

Fig. 1 is a schematic view of the overall structure of a national trade customs teaching contrast learning device of the present invention;

FIG. 2 is one of the connection diagrams of the supporting sleeve, the moving rack and the adjusting mechanism of the national trade customs teaching contrast learning device of the present invention;

fig. 3 is a second connection diagram of the supporting sleeve, the moving rack and the adjusting mechanism of the national trade customs teaching contrast learning device of the present invention;

FIG. 4 is a schematic diagram of a structure of an adjusting mechanism of the national trade customs teaching contrast learning device of the present invention;

FIG. 5 is a cross-sectional view of the fixed board, the teaching board and the clamping board of the national trade customs clearance teaching contrast learning device of the present invention;

fig. 6 is the utility model relates to a fixed plate, cardboard, fixed sleeve's of state trade customs teaching contrast learning device cross-sectional view.

In the figure: 1. moving the base; 2. a support sleeve; 3. an adjustment mechanism; 301. a fixing box; 302. rotating the handle; 303. a rotating gear; 304. rotating the disc; 305. fixing the disc; 306. fixing the screw rod; 4. a fixing plate; 5. a teaching board; 6. clamping a plate; 7. a spacing pin; 8. a rotating shaft; 9. magnetic briquetting; 10. moving the rack; 11. a connecting rod; 12. a card slot; 13. fixing the sleeve; 14. a spring is connected.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, a national trade customs teaching contrast learning device comprises a movable base 1, a support sleeve 2 is arranged at the upper end of the movable base 1, an adjusting mechanism 3 is arranged at one end of the movable base 1, the adjusting mechanism 3 comprises a fixed box 301, a rotating handle 302, a rotating gear 303, a rotating disc 304, a fixed disc 305 and a fixed screw 306, a movable rack 10 is connected inside the support sleeve 2, a connecting rod 11 is arranged at the upper end of the movable rack 10 and the upper side of the support sleeve 2, a fixed plate 4 is arranged at the upper end of the connecting rod 11, a clamping plate 6 is arranged at one end of the fixed plate 4, a rotating shaft 8 is connected inside the clamping plate 6, a teaching board 5 is connected outside the rotating shaft 8 and inside the clamping plate 6, a magnetic press block 9 is connected at the front end of the teaching board 5, a fixed sleeve 13 is arranged at the upper end of the clamping plate 6, the upper end of the connecting spring 14 and the upper side of the fixing sleeve 13 are provided with limiting pins 7, and the inside of the teaching board 5 and the outside of the limiting pins 7 are provided with clamping grooves 12.

One end of fixed box 301 and the one end fixed connection of support sleeve 2, the internal connection of fixed box 301 has rotating gear 303, the front end of rotating gear 303 and the front side of fixed box 301 are connected with rotation handle 302, it can drive rotating gear 303 to rotate handle 302, the rotation of rotating disc 304, the rear end of rotating gear 303 and the rear side of fixed box 301 are connected with rotating disc 304, the rear end of fixed box 301 and the outside of rotating disc 304 are provided with fixed disc 305, the inside of rotating disc 304 all is connected with clamping screw 306.

One end of fixed box 301 and the one end fixed connection of support sleeve 2, rotating gear 303 rotates with fixed box 301 and is connected, the rear end of rotation handle 302 and the front end fixed connection of rotating gear 303, the rotation of rotating gear 303 can drive reciprocating rack 10, thereby can adjust the position of fixed plate 4, the front end of rotating disc 304 and the rear end fixed connection of rotating gear 303, fixed disc 305 and fixed box 301 fixed connection, clamping screw 306 and fixed disc 305, the equal swing joint of rotating disc 304.

The lower extreme of support sleeve 2 and the upper end fixed connection of removing base 1, the surface of removal rack 10 and the internal surface swing joint of support sleeve 2, remove rack 10 and rotating gear 303 swing joint, remove rack 10 and be located one side of rotating gear 303, the lower extreme of connecting rod 11 and the upper end fixed connection of removing rack 10.

The lower extreme of fixed plate 4 and the upper end fixed connection of connecting rod 11, the one end of cardboard 6 and the one end fixed connection of fixed plate 4,

teaching board

5 and 8 swing joint of axis of rotation, the quantity of teaching board 5 is two sets of, can write the teaching on teaching board 5,

magnetic briquetting

9 and 6 swing joint of cardboard can fix the teaching material at the front end of teaching board 5 through magnetic briquetting 9, the lower extreme of fixed sleeve 13 and the upper end fixed connection of cardboard 6.

Connecting spring 14 and fixed sleeve 13 fixed connection, the lower extreme of spacer pin 7 and connecting spring 14's upper end fixed connection, the quantity of spacer pin 7 is four groups, makes spacer pin 7 can take out from the inside of draw-in groove 12 under connecting spring 14's effect, draw-in groove 12 and teaching board 5 fixed connection.

It should be noted that, the utility model relates to a national trade declaration teaching contrast learning device, when using, the removal of the device of can being convenient for through removing base 1, can drive rotating gear 303 through rotating handle 302, the rotation of rolling disc 304, the rotation through rotating gear 303 can drive reciprocating of removal rack 10, thereby can adjust the height of fixed plate 4, when fixed plate 4 adjusts suitable position, can pass fixed screw 306 fixed disc 305 and fix fixed screw 306 in the inside of rolling disc 304, restrict the rotation of rolling disc 304, make the rigidity of rolling disc 304, can restrict the rotation of rolling gear 303, can be with the rigidity of fixed plate 4, be convenient for adjust fixed plate 4, the whole height of teaching board 5, when needing to adjust the height of fixed plate 4 again, can follow rolling disc 304 with fixed screw 306, the rigidity of rolling disc 304, The inside of fixed disc 305 is taken out, make the rotating gear 303 can rotate, effect through coupling spring 14 makes the spacer pin 7 can follow the inside of draw-in groove 12 and take out, effect through axis of rotation 8 makes teaching board 5 can rotate, make teaching board 5 can overturn, when the position of teaching board 5 is fixed, can be with spacer pin 7 card in the inside of draw-in groove 12, be convenient for restrict teaching board 5's position, make teaching board 5's two sides all can use, can write on teaching board 5, can fix the front end at teaching board 5 with teaching materials through magnetic briquetting 9, the fixing of the teaching materials of being convenient for.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a state trade customs teaching contrast learning device, includes mobile base (1), its characterized in that: the teaching aid is characterized in that a supporting sleeve (2) is arranged at the upper end of the movable base (1), an adjusting mechanism (3) is installed at one end of the movable base (1), the adjusting mechanism (3) comprises a fixed box (301), a rotating handle (302), a rotating gear (303), a rotating disc (304), a fixed disc (305) and a fixed screw (306), a movable rack (10) is connected inside the supporting sleeve (2), a connecting rod (11) is arranged at the upper end of the movable rack (10) and on the upper side of the supporting sleeve (2), a fixed plate (4) is arranged at the upper end of the connecting rod (11), a clamping plate (6) is arranged at one end of the fixed plate (4), a rotating shaft (8) is connected inside the clamping plate (6), a teaching board (5) is connected outside the rotating shaft (8) and on the inner side of the clamping plate (6), and a magnetic pressing block (9) is connected at the, the teaching board is characterized in that a fixing sleeve (13) is arranged at the upper end of the clamping board (6), a connecting spring (14) is arranged inside the fixing sleeve (13), a limiting pin (7) is arranged at the upper end of the connecting spring (14) and on the upper side of the fixing sleeve (13), and a clamping groove (12) is formed in the teaching board (5) and outside the limiting pin (7).

2. The national trade customs teaching contrast learning device of claim 1, wherein: the one end of fixed box (301) and the one end fixed connection of support sleeve (2), the internal connection of fixed box (301) has rotating gear (303), the front end of rotating gear (303) and the front side of fixed box (301) are connected with rotation handle (302), the rear end of rotating gear (303) and the rear side of fixed box (301) are connected with rotating disc (304), the rear end of fixed box (301) and the outside of rotating disc (304) are provided with fixed disc (305), the inside of fixed disc (305), rotating disc (304) all is connected with clamping screw (306).

3. The national trade customs teaching contrast learning device of claim 1, wherein: the one end of fixed box (301) and the one end fixed connection of support sleeve (2), running gear (303) rotate with fixed box (301) and are connected, the rear end of rotation handle (302) and the front end fixed connection of running gear (303), the front end of rotating disc (304) and the rear end fixed connection of running gear (303), fixed disc (305) and fixed box (301) fixed connection, fixed screw (306) and fixed disc (305), the equal swing joint of rotating disc (304).

4. The national trade customs teaching contrast learning device of claim 1, wherein: the lower extreme of support sleeve (2) and the upper end fixed connection who removes base (1), the surface of removing rack (10) and the internal surface swing joint of support sleeve (2), remove rack (10) and rotating gear (303) swing joint, the lower extreme of connecting rod (11) and the upper end fixed connection who removes rack (10).

5. The national trade customs teaching contrast learning device of claim 1, wherein: the lower extreme of fixed plate (4) and the upper end fixed connection of connecting rod (11), the one end of cardboard (6) and the one end fixed connection of fixed plate (4), teaching board (5) and axis of rotation (8) swing joint, the quantity of teaching board (5) is two sets of, magnetic briquetting (9) and cardboard (6) swing joint, the lower extreme of fixed sleeve (13) and the upper end fixed connection of cardboard (6).

6. The national trade customs teaching contrast learning device of claim 1, wherein: connecting spring (14) and fixed sleeve (13) fixed connection, the lower extreme of spacer pin (7) and the upper end fixed connection of connecting spring (14), the quantity of spacer pin (7) is four groups, draw-in groove (12) and teaching board (5) fixed connection.