CN210398183U

CN210398183U - Teaching demonstration device suitable for Chinese language and literature specialty

Info

Publication number: CN210398183U
Application number: CN201921143155.5U
Authority: CN
Inventors: 吴士敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-24
Anticipated expiration: 2029-07-20

Abstract

The utility model discloses a be applicable to chinese language and literature specialty teaching presentation device, including the mount, the top fixedly connected with display screen protection frame of mount, the inner wall slidable mounting of display screen protection frame has the backup pad, the last fixed surface of backup pad is connected with the display screen, the chamber has been seted up to place at the top of mount and the top of display screen protection frame, place the top fixedly connected with adjustment mechanism of intracavity wall, adjustment mechanism's top and the lower fixed surface of backup pad are connected, adjustment mechanism's bottom fixedly connected with moving mechanism. The utility model discloses an above-mentioned isotructure's cooperation, the display screen that has solved current presentation device is difficult to after the use protected, causes the display screen to receive the harm in the in-process of transportation easily, is difficult for removing the display screen simultaneously, brings the problem of inconvenience for the use.

Description

Teaching demonstration device suitable for Chinese language and literature specialty

Technical Field

The utility model relates to a teaching equipment technical field specifically is a be applicable to chinese language and literature specialty teaching presentation device.

Background

The Chinese language and literature major is a compound talent which mainly cultivates and masters the basic knowledge in Chinese and Chinese literature, is basically trained by the system education and business capability in the aspects of relevant theory, development history, research status and the like, and can be used for research, teaching, secretary and other work in enterprises and public institutions such as scientific research institutions, colleges and universities and the like. The teaching of Chinese language and literature specialty relates to two major fields of language and literature. In the course of giving lessons, the explanation of a large amount of articles and vocabularies needs to be carried out to help students understand, digest and absorb, and then the knowledge reserve of students is increased, the comprehensive quality of students is improved, in the course of giving lessons in Chinese language, the explanation of a large amount of articles and vocabularies needs to be carried out, so that the students can understand, the knowledge reserve of students is increased, and when the Chinese teaching is carried out at present, a display screen is generally used as a demonstration device. Because the display screen of current presentation device is difficult to protected after the use, causes the display screen to receive the harm in the in-process of transportation easily, is difficult for removing the display screen simultaneously, brings the inconvenience for the use, consequently needs to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applicable to chinese language and literature specialty teaching presentation device, possess and pass through the backup pad, display screen protection frame and adjustment mechanism's setting, make the display screen can be contracted into in the display screen protection frame after the use, the guard action has been played to the display screen, avoided the display screen to receive the harm at the in-process of transportation, adjustment mechanism makes the walking wheel stretch out the mount simultaneously, be convenient for remove the display screen that the use ended, provide convenient advantage for the use, the display screen of having solved current presentation device is difficult to protected after the use, cause the display screen to receive the harm at the in-process of transportation easily, be difficult for removing the display screen simultaneously, bring inconvenient problem for the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a teaching presentation device suitable for chinese language and literature specialty, includes the mount, the top fixedly connected with display screen protection frame of mount, the inner wall slidable mounting of display screen protection frame has the backup pad, the last fixed surface of backup pad is connected with the display screen, the top of mount and the top of display screen protection frame have been seted up and have been placed the chamber, the top fixedly connected with adjustment mechanism who places the intracavity wall, adjustment mechanism's top and the lower fixed surface of backup pad are connected, adjustment mechanism's bottom fixedly connected with moving mechanism.

Preferably, adjustment mechanism includes the driving machine, the bottom of driving machine and the bottom fixed connection who places the intracavity wall, the output of driving machine passes through the bearing and rotates with the top of placing the intracavity wall to be connected, and the fixed surface of driving machine output is connected with the driving gear, the top and the bottom of placing the intracavity wall all rotate through the bearing and are connected with the internal thread sleeve, the telescopic fixed surface of internal thread is connected with the driven gear with driving gear looks adaptation, the telescopic inner wall threaded connection of internal thread has the threaded rod, the top of threaded rod and the lower fixed surface of backup pad are connected, the bottom of threaded rod and moving mechanism's last fixed surface are connected.

Preferably, the moving mechanism comprises a lifting plate, the upper surface of the lifting plate is fixedly connected with the bottom end of the threaded rod, moving blocks are fixedly connected to the left side and the right side of the lifting plate, moving grooves matched with the moving blocks are formed in the left side and the right side of the inner wall of the fixing frame, and walking wheels are fixedly connected to the lower surface of the lifting plate.

Preferably, the number of the walking wheels is two, and the two walking wheels are symmetrically distributed on the lower surface of the lifting plate.

Preferably, the equal fixedly connected with slider in the left and right sides of backup pad, the spout with slider looks adaptation is all seted up to the left and right sides of display screen protection frame inner wall.

Compared with the prior art, the beneficial effects of the utility model are that: through backup pad, display screen protection frame, driving machine, internal thread sleeve, threaded rod, driving gear and driven gear's cooperation for the display screen can be by the shrink after the use in the display screen protection frame, has played the guard action to the display screen, has avoided the display screen to receive the harm at the in-process of transportation, and adjustment mechanism makes the walking wheel stretch out the mount simultaneously, is convenient for remove the display screen that the use ended, provides convenience for the use.

Drawings

Fig. 1 is a front sectional view of the display screen of the present invention in a use state;

fig. 2 is a front sectional view of the display screen of the present invention after the use;

fig. 3 is an enlarged view of the structure of the present invention at a.

In the figure: the device comprises a fixing frame 1, a display screen protection frame 2, a supporting plate 3, a display screen 4, a placing cavity 5, an adjusting mechanism 6, a moving mechanism 7, a driving machine 8, a driving gear 9, an internal thread sleeve 10, a driven gear 11, a threaded rod 12, a lifting plate 13, a moving block 14, a traveling wheel 15 and a sliding chute 16.

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 to 3, the present invention provides a technical solution: the utility model provides a be applicable to chinese language and literature specialty teaching presentation device, includes mount 1, the top fixedly connected with display screen protection frame 2 of mount 1, the inner wall slidable mounting of display screen protection frame 2 has backup pad 3.

Further, the equal fixedly connected with slider in the left and right sides of backup pad 3, the spout 16 with slider looks adaptation is all seted up to the left and right sides of 2 inner walls of display screen protection frame, and spout 16 and slider restrict backup pad 3's rotation for backup pad 3 can be stable carry out the up-and-down motion.

The last fixed surface of backup pad 3 is connected with display screen 4, and the top of mount 1 and the top of display screen protection frame 2 have been seted up and have been placed chamber 5, place the top fixedly connected with adjustment mechanism 6 of 5 inner walls in chamber.

Specifically, the adjusting mechanism 6 comprises a driving machine 8, the driving machine 8 is an integrated structure of a driving motor and a speed reducer, the bottom of the driving machine 8 is fixedly connected with the bottom of the inner wall of the placing cavity 5, the output end of the driving machine 8 is rotatably connected with the top of the inner wall of the placing cavity 5 through a bearing, the surface of the output end of the driving machine 8 is fixedly connected with a driving gear 9, the top and the bottom of the inner wall of the placing cavity 5 are both rotatably connected with an internal thread sleeve 10 through bearings, the surface of the internal thread sleeve 10 is fixedly connected with a driven gear 11 matched with the driving gear 9, the inner wall of the internal thread sleeve 10 is in threaded connection with a threaded rod 12, the top end of the threaded rod 12 is fixedly connected with the lower surface of the supporting plate 3, the bottom end of the threaded rod 12 is fixedly connected with the upper, the driving gear 9 drives the driven gear 11 to rotate, thereby the driven gear 11 can drive the internal thread sleeve 10 to rotate, because the internal thread sleeve 10 is in threaded connection with the threaded rod 12, and the rotation of the supporting plate 3 is limited through the sliding groove 16 and the sliding block, so that the supporting plate 3 drives the display screen 4 to contract into the display screen protection frame 2, the protection effect on the display screen 4 is achieved, and the damage to the display screen 4 in the transportation process is avoided.

The top end of the adjusting mechanism 6 is fixedly connected with the lower surface of the supporting plate 3, and the bottom end of the adjusting mechanism 6 is fixedly connected with a moving mechanism 7.

Specifically, moving mechanism 7 includes lifter plate 13, the upper surface of lifter plate 13 and the bottom fixed connection of threaded rod 12, the equal fixedly connected with movable block 14 in the left and right sides of lifter plate 13, the shifting chute with 14 looks adaptations of movable block is all seted up to the left and right sides of 1 inner wall of mount, the lower fixed surface of lifter plate 13 is connected with walking wheel 15, the downstream of threaded rod 12 can drive lifter plate 13 and move down to drive walking wheel 15 and ground contact, and then be convenient for remove display screen 4.

Further, walking wheel 15's quantity is two, and quantity is two walking wheel 15 symmetric distribution on the lower surface of lifter plate 13, and two walking wheels 15 make the in-process that removes display screen 4 more stable smooth and easy.

The working principle is as follows: when the demonstration device suitable for teaching of Chinese language and literature major is used, after the display screen 4 is used, the driving machine 8 is started, the driving machine 8 drives the driving gear 9 to rotate, the driving gear 9 drives the driven gear 11 to rotate, the driven gear 11 can drive the internal thread sleeve 10 to rotate, the internal thread sleeve 10 is in threaded connection with the threaded rod 12, and the rotation of the supporting plate 3 is limited through the sliding groove 16 and the sliding block, so that the supporting plate 3 drives the display screen 4 to contract into the display screen protection frame 2, the display screen 4 is protected, the display screen 4 is prevented from being damaged in the transportation process, meanwhile, the downward movement of the threaded rod 12 can drive the lifting plate 13 to move downwards, the traveling wheels 15 are driven to be in contact with the ground, and the display screen 4 is convenient to move; when needs use display screen 4, start driving machine 8, make driving machine 8 antiport for threaded rod 12 upward movement, thereby drive display screen 4 stretch out display screen protection frame 2 outside, walking wheel 15 is by the shrink into mount 1 simultaneously, makes mount 1 can support display screen protection frame 2 fixedly, makes can use display screen 4 more stably.

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

1. The utility model provides a be applicable to chinese language and literature specialty teaching presentation device, includes mount (1), its characterized in that: the utility model discloses a solar cell module, including mount (1), the inner wall slidable mounting of display screen protection frame (2) has backup pad (3), the last fixed surface of backup pad (3) is connected with display screen (4), the top of mount (1) and the top of display screen protection frame (2) have been seted up and have been placed chamber (5), place top fixedly connected with adjustment mechanism (6) of chamber (5) inner wall, the top of adjustment mechanism (6) and the lower fixed surface of backup pad (3) are connected, the bottom fixedly connected with moving mechanism (7) of adjustment mechanism (6).

2. The teaching demonstration device suitable for Chinese language and literature specialty as claimed in claim 1, wherein: the adjusting mechanism (6) comprises a driving machine (8), the bottom of the driving machine (8) is fixedly connected with the bottom of the inner wall of the placing cavity (5), the output end of the driving machine (8) is rotationally connected with the top of the inner wall of the placing cavity (5) through a bearing, and the surface of the output end of the driving machine (8) is fixedly connected with a driving gear (9), the top and the bottom of the inner wall of the placing cavity (5) are both rotationally connected with an internal thread sleeve (10) through a bearing, the surface of the internal thread sleeve (10) is fixedly connected with a driven gear (11) matched with the driving gear (9), the inner wall of the internal thread sleeve (10) is connected with a threaded rod (12) in a threaded manner, the top end of the threaded rod (12) is fixedly connected with the lower surface of the supporting plate (3), the bottom end of the threaded rod (12) is fixedly connected with the upper surface of the moving mechanism (7).

3. The teaching demonstration device suitable for Chinese language and literature specialty as claimed in claim 1, wherein: the moving mechanism (7) comprises a lifting plate (13), the upper surface of the lifting plate (13) is fixedly connected with the bottom end of a threaded rod (12), moving blocks (14) are fixedly connected to the left side and the right side of the lifting plate (13), moving grooves matched with the moving blocks (14) are formed in the left side and the right side of the inner wall of the fixing frame (1), and walking wheels (15) are fixedly connected to the lower surface of the lifting plate (13).

4. The teaching demonstration device suitable for Chinese language and literature specialty according to claim 3, wherein: the number of the walking wheels (15) is two, and the two walking wheels (15) are symmetrically distributed on the lower surface of the lifting plate (13).

5. The teaching demonstration device suitable for Chinese language and literature specialty as claimed in claim 1, wherein: the equal fixedly connected with slider in the left and right sides of backup pad (3), spout (16) with slider looks adaptation are all seted up to the left and right sides of display screen protection frame (2) inner wall.