CN210244659U

CN210244659U - Tax collection expropriation and management experiment teaching device

Info

Publication number: CN210244659U
Application number: CN201920888822.6U
Authority: CN
Inventors: Qiang Meng; 蒙强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-03
Anticipated expiration: 2029-06-13

Abstract

The utility model belongs to the technical field of teaching devices, in particular to a tax collection expropriation tube experiment teaching device, which comprises a blackboard and an electric curtain cloth roll, wherein the electric curtain cloth roll is arranged above the blackboard, the surface of the blackboard is connected with two sliding plates in a sliding way, the two sides of the blackboard are both fixedly connected with limiting parts, the two sliding plates are positioned between the two limiting parts, the upper end and the lower end of the blackboard are both provided with sliding grooves, and the sliding grooves are both connected with the two sliding plates in a sliding way; the utility model discloses be equipped with blackboard and two sliding plates, when normally writing, can write on the sliding plate, when the space is not enough, can be with two sliding plate roll-offs, when spacing muscle roll-off sliding tray is interior, because spacing post slides in spacing inslot, at this moment, the sliding plate breaks away from spacing of spacing muscle, and the sliding plate uses spacing post as the rotation fulcrum, can rotate to can make the sliding plate slope, thereby prevent the blackboard overlength, make the student observe inconveniently.

Description

Tax collection expropriation and management experiment teaching device

Technical Field

The utility model belongs to the technical field of the teaching device, concretely relates to tax collection expropriation pipe experiment teaching device.

Background

Tax collection and management is an important component of tax management, which is a human-specific talent culture activity consisting of tax administration, tax work implementation management, collection, inspection and other activities according to the regulations of relevant tax laws, also called tax collection and management, teaching of teachers and students.

The current teaching mode often teaches through blackboard and projection, but when the teaching content was too complicated, blackboard and projection used simultaneously, often can cause the blackboard space not enough to and the projection position of puting in and blackboard mismatch each other, thereby make the student observe inconveniently.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a tax collection expropriation pipe experiment teaching device has the student of being convenient for observe and the projected characteristics of being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the blackboard comprises a blackboard and an electric curtain cloth roll arranged above the blackboard, wherein the electric curtain cloth roll is arranged above the blackboard, the surface of the blackboard is connected with two sliding plates in a sliding way, two sides of the blackboard are fixedly connected with limiting parts, the two sliding plates are positioned between the two limiting parts, the upper end and the lower end of the blackboard are both provided with sliding grooves, the sliding grooves are both connected with the two sliding plates in a sliding way, one sides of the sliding grooves, far away from the sliding plates, are both provided with limiting grooves, two sides of the sliding plates are both fixedly connected with limiting columns, the limiting columns are far away from the limiting parts, the limiting columns are both connected with the inner walls of the limiting grooves in a sliding way, the upper end surface of the blackboard is provided with a lifting part, one side of the lifting part, close to the sliding plates, is fixedly connected with an ash blocking plate, the electric curtain cloth, the blackboard internally mounted has two electric putter, electric putter and external power source electric connection, two the electric putter output all with lift part fixed connection.

Preferably, the two ends of the upper end face of the blackboard are both provided with a lifting control groove, and the bottom face of the lifting control groove is fixedly connected with the electric push rod.

Preferably, one side of the sliding plate, which is close to the sliding groove, is fixedly connected with a limiting rib, the limiting rib slides on the inner wall of the sliding groove, the length of the limiting rib is smaller than that of the sliding plate, and the limiting rib is located on the upper end surface and the lower end surface of the sliding plate and is close to the limiting part.

Preferably, the limiting component is internally provided with a sliding chute, the sliding chute is internally connected with a fixing frame in a sliding manner, the bottom surface of the fixing frame is fixedly connected with the bottom surface of the sliding chute through two telescopic rods, and the outer walls of the telescopic rods are all sleeved with springs.

Preferably, one end of the fixing frame, which is far away from the limiting part, is rotatably connected with a roller.

Preferably, the roller is made of rubber.

Preferably, the two sides of the inner wall of the sliding chute are close to one end of the fixing frame, and limit blocks are fixedly connected to the two sides of the inner wall of the sliding chute.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the blackboard and two sliding plates, when writing normally, the writing can be carried out on the sliding plates, when the space is insufficient, the two sliding plates can be slid out, when the limiting rib slides out of the sliding groove, because the limiting post slides in the limiting groove, at the moment, the sliding plates are separated from the limiting of the limiting rib, the sliding plates can rotate by taking the limiting post as a rotating fulcrum, thereby the sliding plates can be inclined, thereby preventing the blackboard from being overlong and causing the inconvenience of observation of students;

2. the utility model discloses be equipped with lifting unit, during the teaching, need the projection to go on simultaneously with writing, when writing the content not much, can directly start electronic curtain book and carry out the projection, two sliding plates slide to the side to can write the limit explanation on the limit, secondly, when writing the content when more, through electric putter, roll up the lifting with electronic curtain, thereby use the projecting apparatus projection in the top, the blackboard of below this moment can write simultaneously with the sliding plate, thereby the teaching of being convenient for.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of a blackboard according to the present invention;

FIG. 3 is a schematic side view of the blackboard according to the present invention;

fig. 4 is a schematic view of a limiting component in the present invention.

In the figure: 1. a blackboard; 11. a limiting groove; 12. a sliding groove; 13. a lifting control groove; 2. a lifting member; 21. a dust blocking plate; 3. a limiting component; 31. a chute; 311. a limiting block; 32. a telescopic rod; 33. a spring; 34. a fixed mount; 341. a drum; 4. a sliding plate; 41. limiting ribs; 42. a limiting column; 5. an electric push rod; 6. electric curtain cloth roll.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: a tax collection expropriation tube experiment teaching device comprises a blackboard 1 and an electric curtain cloth roll 6 arranged above the blackboard 1, wherein the electric curtain cloth roll 6 is arranged above the blackboard 1, the surface of the blackboard 1 is connected with two sliding plates 4 in a sliding way, both sides of the blackboard 1 are fixedly connected with limit parts 3, the two sliding plates 4 are positioned between the two limit parts 3, the upper end and the lower end of the blackboard 1 are respectively provided with a sliding groove 12, the sliding grooves 12 are respectively connected with the two sliding plates 4 in a sliding way, one side of each sliding groove 12, which is far away from the corresponding sliding plate 4, is provided with a limit groove 11, both sides of each sliding plate 4 are respectively and fixedly connected with a limit column 42, each limit column 42 is far away from the corresponding limit part 3, each limit column 42 is respectively and slidably connected with the inner wall of the corresponding limit groove 11, the upper end face of the blackboard 1 is provided with a lifting part 2, one side, which is close, blackboard 1 internally mounted has two electric putter 5, electric putter 5 and external power source electric connection, and 5 output of two electric putter all with lifting unit 2 fixed connection.

In this embodiment: the blackboard comprises a blackboard 1 and an electric curtain cloth roll 6 arranged above the blackboard 1, the electric curtain cloth roll 6 is arranged above the blackboard 1, the electric curtain cloth roll 6 mainly provides a projection carrier for a projector, the model of the electric curtain cloth roll 6 is YH001, the surface of the blackboard 1 is connected with two sliding plates 4 in a sliding way, the two sliding plates 4 and the blackboard 1 are both magnetic plates and can write, both sides of the blackboard 1 are fixedly connected with limiting parts 3, the two sliding plates 4 are positioned between the two limiting parts 3, the limiting parts 3 mainly play a role in limiting the sliding of the two sliding plates 4, the upper end and the lower end of the blackboard 1 are both provided with sliding grooves 12, the sliding grooves 12 are both connected with the two sliding plates 4 in a sliding way, the sliding grooves 12 play a role in limiting the sliding of the sliding plates 4, the sliding stability is increased, one side of the sliding grooves 12 far away from the sliding plates, the limiting column 42 is cylindrical, the sliding plate 4 rotates by taking the two limiting columns 42 as fulcrums, so that a certain included angle is formed between the limiting column 42 and the blackboard 1, the observation of students is prevented from being labored due to overlong whole, the limiting column 42 is far away from the limiting part 3, the limiting columns 42 are all connected to the inner wall of the limiting groove 11 in a sliding mode, the upper end face of the blackboard 1 is provided with the lifting part 2, one side, close to the sliding plate 4, of the lifting part 2 is fixedly connected with the ash baffle plate 21, the electric curtain cloth roll 6 is installed in the ash baffle plate 21, the electric curtain cloth roll 6 is electrically connected with an external power supply, the ash baffle plate 21 can prevent ash falling from polluting the electric curtain cloth roll 6, so that the projection effect is reduced, the two electric push rods 5 are installed in the blackboard 1, the electric push rods 5 are electrically connected with the external power supply, the output ends, the electric screen roll 6 is lifted by the electric push rod 5, and is projected upward by the projector, and the lower blackboard 1 and the sliding plate 4 can write at the same time.

Specifically, two ends of the upper end surface of the blackboard 1 are respectively provided with a lifting control groove 13, and the bottom surface of each lifting control groove 13 is fixedly connected with an electric push rod 5; because the writing time is more dust, consequently install electric putter 5 inside blackboard 1, prevent to write the dust that produces and cause the damage to electric putter 5's transmission part.

Specifically, one side of the sliding plate 4, which is close to the sliding groove 12, is fixedly connected with a limiting rib 41, the limiting rib 41 slides on the inner wall of the sliding groove 12, the length of the limiting rib 41 is smaller than that of the sliding plate 4, and the limiting rib 41 is located on the upper and lower end surfaces of the sliding plate 4 and is close to the limiting part 3; the limiting ribs 41 slide in the sliding grooves 12, and the limiting ribs 41 are limited by the sliding grooves 12, so that the sliding plate 4 cannot rotate when the limiting ribs 41 do not slide out of the sliding grooves 12, and the stability of the sliding plate 4 is improved.

Specifically, a sliding chute 31 is formed in the limiting component 3, a fixing frame 34 is connected in the sliding chute 31 in a sliding manner, the bottom surface of the fixing frame 34 is fixedly connected with the bottom surface of the sliding chute 31 through two telescopic rods 32, and springs 33 are sleeved on the outer walls of the telescopic rods 32; the fixed frame 34 is always positioned at the side of the sliding plate 4 by the elastic force of the spring 33, thereby preventing the sliding plate 4 from slipping out.

Specifically, one end of the fixing frame 34, which is far away from the limiting part 3, is rotatably connected with a roller 341; when the sliding-out is needed, the fixing frame 34 is pressed to slide the fixing frame 34 into the limiting component 3, so that the sliding plate 4 can slide out, and when the sliding-out is needed, the sliding plate 4 can slide more smoothly through the roller 341.

Specifically, the roller 341 is made of rubber; the rubber has elasticity, and the roller 341 is prevented from making hard contact with the sliding plate 4 by the elastic roller 341.

Specifically, the two sides of the inner wall of the chute 31 close to one end of the fixed frame 34 are fixedly connected with the limiting blocks 311; the limiting block 311 can prevent the fixing frame 34 from slipping out of the sliding slot 31 due to the influence of the elastic force, so as to increase the stability of the sliding of the fixing frame 34.

The utility model discloses a theory of operation and use flow: when in use, the fixed frame 34 is pressed into the chute 31, the sliding plate 4 slides to the side surface of the blackboard 1, when the roller 341 contacts with the back surface of the sliding plate 4, the roller 341 rotates when the sliding plate 4 slides, when the limiting ribs 41 on the upper side and the lower side of the sliding plate 4 slide out of the sliding groove 12 of the blackboard 1, the elastic force applied to the fixed frame 34 by the spring 33 enables the sliding plate 4 to rotate by taking the two limiting columns 42 as the centers, thereby forming an included angle with the blackboard 1, because the limiting grooves 11 limit the limiting columns 42, the sliding plate 4 can not be separated from the blackboard 1, the blackboard 1 and the sliding plate 4 can write at the same time, then the electric push rod 5 in the lifting control groove 13 is opened, at the moment, the electric push rod 5 lifts the lifting part 2, the electric curtain roll 6 is opened, thereby the curtain is lowered for projection, at the moment, the curtain is positioned above the blackboard 1, thereby, the dust blocking plate 21 can prevent dust from falling on the curtain to cause pollution.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tax collection expropriation pipe experiment teaching device, include blackboard (1) and electronic curtain cloth roll (6) of blackboard (1) top installation, its characterized in that: the blackboard is characterized in that two sliding plates (4) are connected to the surface of the blackboard (1) in a sliding manner, limiting parts (3) are fixedly connected to the two sides of the blackboard (1), the two sliding plates (4) are located between the two limiting parts (3), sliding grooves (12) are formed in the upper end and the lower end of the blackboard (1), the two sliding plates (4) are connected to the sliding grooves (12) in a sliding manner, limiting grooves (11) are formed in one sides, far away from the sliding plates (4), of the sliding grooves (12), limiting columns (42) are fixedly connected to the two sides of the sliding plates (4), the limiting columns (42) are far away from the limiting parts (3), the limiting columns (42) are connected to the inner walls of the limiting grooves (11) in a sliding manner, a lifting part (2) is arranged on the upper end face of the blackboard (1), and a dust blocking plate (21) is fixedly connected to one side, install in dust deflector (21) electronic curtain yardage roll (6), electronic curtain yardage roll (6) and external power source electric connection, blackboard (1) internally mounted has two electric putter (5), electric putter (5) and external power source electric connection, two electric putter (5) output all with lifting unit (2) fixed connection.

2. The tax collection and management experiment teaching device according to claim 1, wherein: lifting control grooves (13) are formed in two ends of the upper end face of the blackboard (1), and the bottom faces of the lifting control grooves (13) are fixedly connected with the electric push rods (5).

3. The tax collection and management experiment teaching device according to claim 1, wherein: the side, close to the sliding groove (12), of the sliding plate (4) is fixedly connected with a limiting rib (41), the limiting rib (41) slides on the inner wall of the sliding groove (12), the length of the limiting rib (41) is smaller than that of the sliding plate (4), and the limiting rib (41) is located on the upper end face and the lower end face of the sliding plate (4) and close to the limiting part (3).

4. The tax collection and management experiment teaching device according to claim 1, wherein: the limiting component (3) is internally provided with a sliding groove (31), a fixing frame (34) is connected to the sliding groove (31) in a sliding mode, the bottom surface of the fixing frame (34) is fixedly connected with the bottom surface of the sliding groove (31) through two telescopic rods (32), and the outer wall of each telescopic rod (32) is sleeved with a spring (33).

5. The tax collection and management experiment teaching device according to claim 4, wherein: one end of the fixing frame (34) far away from the limiting part (3) is rotatably connected with a roller (341).

6. The tax collection and management experiment teaching device according to claim 5, wherein: the roller (341) is made of rubber.

7. The tax collection and management experiment teaching device according to claim 4, wherein: and two sides of the inner wall of the sliding groove (31) are close to one end of the fixed frame (34) and are fixedly connected with limit blocks (311).