CN210573168U

CN210573168U - Be convenient for install literature news teaching and use projection screen

Info

Publication number: CN210573168U
Application number: CN201920102474.5U
Authority: CN
Inventors: 袁璐
Original assignee: Yichun University
Current assignee: Yichun University
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2020-05-19
Anticipated expiration: 2029-01-22

Abstract

The utility model discloses a be convenient for install projection curtain for literature news teaching, including first stand and second stand, the side-mounting of first stand has the fixed block, and the outside of fixed block is connected with the mount pad, the right side of mount pad is provided with the axis of rotation, and the outside parcel of axis of rotation has the curtain, hollow pole is installed to the below of curtain, first recess has been seted up to the inboard surface of first stand, the surface of second stand is provided with the second recess, the below of first stand and second stand all is provided with the stabilizer blade, the surface of first stand and second stand is provided with the connecting block, and the surface of connecting block has seted up threaded hole. This be convenient for install projection screen for literature news teaching, rotary drum and axis of rotation can be dismantled to be convenient for prop up the axis of rotation, conveniently install whole, the curtain of rolling falls in the inside of second recess, is convenient for accomodate the curtain.

Description

Be convenient for install literature news teaching and use projection screen

Technical Field

The utility model relates to a literature news teaching technical field specifically is a be convenient for install projection curtain for literature news teaching.

Background

The literature news teaching is a subject for learning the aspects of news theoretical knowledge, news editing, recording, management and the like. When teaching, need utilize the projecting apparatus with some cases to broadcast the study, current projection screen is fixed mounting on the wall, and inconvenient dismantlement and installation lead to when the little classroom of simulation, the projection screen that does not have the replacement installs the use, causes inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be convenient for install projection curtain for literature news teaching to propose the inconvenient problem of dismantling and installing of current projection curtain in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be convenient for install projection curtain for literature news teaching, includes first stand and second stand, the side-mounting of first stand has the fixed block, and the outside of fixed block is connected with the mount pad, the right side of mount pad is provided with the axis of rotation, and the outside parcel of axis of rotation has the curtain, hollow pole is installed to the below of curtain, and installs the telescopic link in the both sides of hollow pole to the end-to-end of telescopic link installs the magnetic disk, first recess has been seted up on the inboard surface of first stand, the surface of second stand is provided with the second recess, the below of first stand and second stand all is provided with the stabilizer blade, and the embedded rotary drum of installing in surface of second stand upper end, the surface of first stand and second stand is provided with the connecting block, and the threaded hole has been seted up on the surface of connecting block.

Preferably, the fixed block and the mounting seat form a rotating structure, and the mounting seat and the rotating shaft form a rotating structure.

Preferably, the tail end of the rotating shaft is provided with threads, the outer wall of the rotating shaft is in threaded engagement connection with the inner wall of the rotating drum, and the rotating drum is in rotational connection with the second upright post.

Preferably, the hollow rod and the telescopic rod form a telescopic structure, and the number of the hollow rods is 2 about the telescopic rod.

Preferably, the depth of the second groove is larger than the diameter of the rotating shaft, the length of the second groove is larger than that of the rotating shaft, magnetic powder is embedded in the first groove and the second groove, and the first groove, the second groove and the magnetic disc are attracted by magnetism.

Preferably, the connecting block is symmetrically provided with 2 holes about the center line of the first upright, and the surface of the connecting block is symmetrically provided with 2 threaded holes.

Compared with the prior art, the beneficial effects of the utility model are that: the projection screen for literary news teaching is convenient to install,

1. the tail end of the rotating shaft is in threaded connection with the rotating drum, namely the rotating drum and the rotating shaft can be detached, so that the rotating shaft is conveniently supported, the whole body is conveniently installed, meanwhile, the rotating drum is in rotating connection inside the second upright post, and after the rotating drum and the connecting shaft are installed, the curtain can be wound and placed down by rotating the rotating drum, and the operation is convenient;

2. the rotating shaft and the mounting seat can rotate, so that when the rotating shaft rotates on the side face of the mounting seat, the curtain can be rolled and stored by the rotating shaft, and the rolled curtain can be folded along with the rotating shaft, namely the rolled curtain is folded with the first upright post;

3. the second recess has been seted up to the inside of second stand, and during first stand and the concatenation of second stand, the curtain of rolling falls in the inside of second recess, is convenient for accomodate the curtain to after first stand and the concatenation of second stand, insert the bolt and can carry out spacing fixed to two stands in the threaded hole, thereby be convenient for carry whole.

Drawings

FIG. 1 is a schematic view of the overall storage structure of the present invention;

FIG. 2 is a schematic view of the overall expanded structure of the present invention;

fig. 3 is a schematic view of the first upright post and the rotating shaft of the present invention;

fig. 4 is a schematic side view of the second upright of the present invention.

In the figure: 1. a first upright post; 2. a fixed block; 3. a mounting seat; 4. a rotating shaft; 5. a curtain; 6. a hollow shaft; 7. a telescopic rod; 8. a magnetic disk; 9. a first groove; 10. a second upright post; 11. a second groove; 12. a support leg; 13. a rotating drum; 14. connecting blocks; 15. a threaded bore.

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 a technical solution: a projection screen convenient for mounting literature and news teaching comprises a first upright post 1, a fixed block 2, a mounting seat 3, a rotating shaft 4, a curtain 5, a hollow rod 6, a telescopic rod 7, a magnetic disc 8, a first groove 9, a second upright post 10, a second groove 11, support legs 12, a rotary drum 13, a connecting block 14 and threaded holes 15, wherein the fixed block 2 is mounted on the side surface of the first upright post 1, the mounting seat 3 is connected to the outer side of the fixed block 2, the fixed block 2 and the mounting seat 3 form a rotating structure, the mounting seat 3 and the rotating shaft 4 form a rotating structure, the mounting seat 3 can rotate on the side surface of the fixed block 2, the rotating shaft 4 and the first upright post 1 can be conveniently folded, meanwhile, the rotating shaft 4 can rotate on the side surface of the mounting seat 3, and the rotating shaft 4 can roll and store the curtain 5;

the right side of the mounting seat 3 is provided with a rotating shaft 4, the outer side of the rotating shaft 4 is wrapped with a curtain 5, a hollow rod 6 is mounted below the curtain 5, telescopic rods 7 are mounted on two sides of the hollow rod 6, a magnetic disc 8 is mounted at the tail end of each telescopic rod 7, the hollow rod 6 and the telescopic rods 7 form a telescopic structure, 2 hollow rods 6 are symmetrically arranged about the telescopic rods 7, magnetic powder is embedded in the first groove 9 and the second groove 11, and the first groove 9, the second groove 11 and the magnetic disc 8 are magnetically attracted, so that the magnetic disc 8 can freely stretch out and draw back, after the magnetic disc 8 is attached to the first stand column 1 and the second stand column 10, the magnetic disc 8 plays a limiting role, and the curtain 5 is prevented from shaking and the projection effect is influenced;

the inner side surface of the first upright post 1 is provided with a first groove 9, the surface of the second upright post 10 is provided with a second groove 11, the depth of the second groove 11 is greater than the diameter of the rotating shaft 4, the length of the second groove 11 is greater than that of the rotating shaft 4, and after the curtain 5 is wound on the outer side of the rotating shaft 4, the curtain and the rotating shaft can be completely accommodated in the second groove 11;

support legs 12 are arranged below the first upright post 1 and the second upright post 10, a rotary drum 13 is installed on the upper end of the second upright post 10 in an embedded mode, the tail end of the rotary shaft 4 is provided with threads, the outer wall of the rotary shaft 4 is in threaded meshed connection with the inner wall of the rotary drum 13, the rotary drum 13 is in rotary connection with the second upright post 10, and a bearing can be installed on the outer side of the rotary drum 13, so that the rotary drum 13 is in a free rotary structure inside the second upright post 10, when the rotary drum 13 and the rotary shaft 4 are held by a hand, the rotary drum 13 can be fixed in a threaded mode, and after the rotary drum 13 and the rotary shaft 4 are in an integrated fixed structure, the rotary drum 13 is rotated;

the surface of first stand 1 and second stand 10 is provided with connecting block 14, and threaded hole 15 has been seted up on the surface of connecting block 14, connecting block 14 is provided with 2 about the central line symmetry of first stand 1, and the surface symmetry of connecting block 14 is provided with 2 screw holes 15, when first stand 1 and the installation of second stand 10, need turn to second stand 10, the upper end of second stand 10 is down promptly, make its inside second recess 11 accomodate fixed block 2, the effectual condition of having avoided fixed block 2 and rotary drum 13 collision, and after first stand 1 and the lock of second stand 10, connecting block 14 on both surfaces is the coincidence state, be convenient for insert the bolt in screw hole 15 and fix.

The working principle is as follows: as shown in fig. 1, firstly, the rotating shaft 4 is rotated to be perpendicular to the first upright post 1, then the end of the rotating shaft 4 is inserted into the rotary drum 13 of the second upright post 10, and the rotating shaft 4 and the rotary drum 13 are held by hand, and the rotary drum 13 is screwed to be fixedly installed with the rotating shaft 4;

the first upright post 1 and the second upright post 10 stand on the ground, the support leg 12 is supported on the ground, the telescopic rod 7 is drawn out from the inside of the hollow rod 6, the 2 magnetic discs 8 are respectively attached to the inner surfaces of the first groove 9 and the second groove 11, the hollow rod 6 is pulled downwards, the hollow rod 6 drives the curtain 5 to move downwards, so that the curtain 5 rotates on the outer side of the rotating shaft 4, meanwhile, the rotating shaft 4 is driven to rotate on the side surface of the mounting seat 3, the rotating shaft 4 drives the rotating drum 13 to rotate inside the second upright post 10,

when needs accomodate whole, at first carry out the rolling with curtain 5, later accomodate telescopic link 7 in the inside of hollow pole 6, whole laying subaerial, twist and move rotary drum 13, make it rotate from the outside of axis of rotation 4, after both break away from, fold curtain 5 and first stand 1, later after with second stand 10 and first stand 1 lock, curtain 5 is accomodate in the inside of second recess 11, thereby second stand 10 and the laminating of the connecting block 14 on first stand 1 surface, insert the bolt in screw hole 15, fix two stands, be convenient for carry whole, whole practicality has been increased.

Those not described in detail in this specification are within the skill of the art.

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 convenient for install projection screen for literature news teaching, includes first stand (1) and second stand (10), its characterized in that: the curtain comprises a first upright post (1), a fixing block (2) is mounted on the side face of the first upright post (1), a mounting seat (3) is connected to the outer side of the fixing block (2), a rotating shaft (4) is arranged on the right side of the mounting seat (3), a curtain (5) wraps the outer side of the rotating shaft (4), a hollow rod (6) is mounted below the curtain (5), telescopic rods (7) are mounted on two sides of the hollow rod (6), a magnetic disc (8) is mounted at the tail end of each telescopic rod (7), a first groove (9) is formed in the inner side surface of the first upright post (1), a second groove (11) is formed in the surface of the second upright post (10), supporting legs (12) are arranged below the first upright post (1) and the second upright post (10), a rotary drum (13) is mounted on the surface of the upper end of the second upright post (10), and connecting blocks (14) are arranged on the surfaces of the first upright post (1, and the surface of the connecting block (14) is provided with a threaded hole (15).

2. The projection screen for news teaching facilitating installation of literature according to claim 1, wherein: fixed block (2) and mount pad (3) constitute revolution mechanic, and mount pad (3) and axis of rotation (4) constitute revolution mechanic.

3. The projection screen for news teaching facilitating installation of literature according to claim 1, wherein: the tail end of the rotating shaft (4) is provided with threads, the outer wall of the rotating shaft (4) is in threaded engagement connection with the inner wall of the rotating drum (13), and the rotating drum (13) is in rotating connection with the second upright post (10).

4. The projection screen for news teaching facilitating installation of literature according to claim 1, wherein: hollow rod (6) and telescopic link (7) constitute extending structure, and hollow rod (6) are provided with 2 about telescopic link (7) symmetry.

5. The projection screen for news teaching facilitating installation of literature according to claim 1, wherein: the degree of depth of second recess (11) is greater than the diameter of axis of rotation (4), and second recess (11) length is greater than the length of axis of rotation (4), the magnetic powder has all been buried underground to the inside of first recess (9) and second recess (11), and first recess (9) and second recess (11) and magnetic disc (8) are magnetic attraction mutually.

6. The projection screen for news teaching facilitating installation of literature according to claim 1, wherein: the connecting block (14) is symmetrically provided with 2 about the central line of the first upright post (1), and the surface of the connecting block (14) is symmetrically provided with 2 threaded holes (15).