CN215265123U

CN215265123U - Colleges and universities' ideological and political theory class is explained with removing projection panel

Info

Publication number: CN215265123U
Application number: CN202121160024.5U
Authority: CN
Inventors: 孙泽峰; 薛娜; 徐壮飞
Original assignee: Qingdao Binhai University
Current assignee: Qingdao Binhai University
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-21
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a colleges and universities' ideological and political theory class is explained with removing projection panel, concretely relates to mechanical engineering field, including removing the base, remove a plurality of connecting rods of wall fixed surface in the base, four fixedly connected with wears the socket between the connecting rod, wear to be equipped with a pillar inside the socket, No. two pillars are worn to be equipped with inside, No. two pillar surface covers are equipped with the slip lantern ring, the outer fixed surface of slip lantern ring outside is connected with the spliced pole No. one, No. two spliced poles of pillar upper end side surface fixed surface are connected with No. two spliced poles. The utility model discloses a set up the spacing ring for the spacing ring is slidable, can wear to locate how much of wearing the inside part of socket to a pillar and control, fixes by the screw again, and whole device spare part convenient to detach installs like this, and when not like this, accomodate after also the convenient to detach.

Description

Colleges and universities' ideological and political theory class is explained with removing projection panel

Technical Field

The utility model relates to the technical field of machinery, more specifically say, the utility model relates to a colleges and universities ideological and political theory class is explained with removing projection panel.

Background

The theory class of colleges and universities usually uses projection screen cloth to show information, projection display is used in the occasions such as movies, offices, home theaters, large conferences and the like, tools for displaying images and video files are divided into a plurality of specifications and sizes, and the selection of different space projection screens is different.

However, in practical use, some projection display panels used in most colleges and universities do not have a function of being convenient to move, and some projection display panels are not flexible enough to assemble and adjust, and some projection display panels are not flexible enough to adjust.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a colleges and universities' ideological and political theory class is announced with removing the projection panel to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a movable projection display board for teaching ideological and political theory courses in colleges and universities comprises a movable base, wherein a plurality of connecting rods are fixedly connected to the surface of the inner wall of the movable base, a socket is fixedly connected between four connecting rods, a first support column penetrates into the socket, a second support column penetrates into the first support column, a sliding sleeve ring is sleeved on the outer surface of the second support column, a first connecting column is fixedly connected to the outer surface of the outer side of the sliding sleeve ring, a second connecting column is fixedly connected to the outer surface of the side surface of the upper end of the second support column, a first rotating block and a second rotating block are sleeved on the outer surfaces of the first connecting column and the second connecting column, a first clamping board and a first frame board which are provided with arc-shaped clamping grooves are respectively and fixedly connected to the outer surfaces of the two rotating blocks, a second clamping board and a second frame board which are provided with arc-shaped clamping grooves are respectively and fixedly connected to the outer surfaces of the two rotating blocks, no. one frame plate and No. two frame plate upper surface joint have the curtain reel, the curtain reel surface is rich and is equipped with throws the screen curtain, throw screen cloth other end fixedly connected with dead lever, just dead lever both ends joint is on a cardboard and No. two cardboards, frame plate and No. two frame plates are worn to be equipped with the regulation double-screw bolt each other, a cardboard and No. two cardboards are all worn to establish through the regulation double-screw bolt and are connected, two the equal threaded connection of regulation double-screw bolt surface has a plurality of stop nuts.

For the convenient removal of whole device, remove base bottom fixed surface and be connected with a plurality of fixed blocks, fixed block bottom fixedly connected with removes the wheel.

In order to control the number of the inner parts of the socket penetrated by the first supporting column, a limiting ring fixed through screw threads is sleeved on the outer surface of the lower end of the first supporting column.

In order to make the bracing piece more nimble, a pillar upper end fixed surface cover is equipped with the connecting sleeve ring, connecting sleeve ring fixed surface is connected with the fixed ring piece, the spread groove has been seted up to fixed ring piece surface.

In order to increase the stability of the center of gravity, the inside opposite side wall surface fixed connection of connecting groove has the connecting shaft, the bracing piece has been cup jointed to the connecting shaft surface.

In order to facilitate the disassembly and assembly of the supporting rod, the upper surface of the movable base is provided with a slot, and the other end of the supporting rod penetrates through the slot.

In order to clamp and fix the second support column, the outer surface of the side edge of the upper end of the connecting lantern ring is in threaded connection with a screw capable of fixing the second support column.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, the screen throwing device has the advantages that the first clamping plate and the second clamping plate are arranged, the other end of the screen throwing screen, namely the fixed rod, is placed in the clamping groove formed between the first clamping plate and the second clamping plate, the sliding sleeve ring is movable, so that the sliding sleeve ring can vertically press the bottom of the screen throwing screen, the screen throwing screen is smoother, the distance between the first clamping plate and the second clamping plate and the distance between the first frame plate and the second frame plate can be adjusted through adjusting the studs, the screen throwing device is suitable for screen throwing screens with different widths, the screen throwing device can be fixed through tightening the limiting nuts, and the whole second support and related parts of the second support can be lifted and lowered in height due to the fact that the second support and the first support are connected in a penetrating mode;

2. compared with the prior art, through setting up the spacing ring for the spacing ring slidable can wear to locate how much of wearing the inside part of socket to a pillar and control, fixes by the screw again, and whole device spare part convenient to detach installs like this, and when not like this, accomodate after also convenient to detach.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of the a position of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the connecting sleeve ring of the present invention.

Fig. 4 is a schematic structural view of the second pillar portion of the present invention.

The reference signs are: 1. moving the base; 2. a fixed block; 3. a moving wheel; 4. a connecting rod; 5. penetrating a socket; 6. a first strut; 7. a connecting lantern ring; 8. a fixed ring block; 9. a limiting ring; 10. connecting grooves; 11. Connecting the rotating shaft; 12. a support bar; 13. a slot; 14. a second strut; 15. a slip collar; 16. a first connecting column; 17. a second connecting column; 18. turning to a block I; 19. turning to a block II; 20. a first card board; 21. a second card board; 22. a first frame plate; 23. a second frame plate; 24. a curtain winding drum; 25. projecting a screen; 26. fixing the rod; 27. adjusting the stud; 28. and a limiting nut.

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.

According to the theory of ideology and politics of colleges and universities class illustrated in attached figure 1, figure 2, figure 3 and figure 4 declare with removing the projection panel, including removing base 1, remove a plurality of connecting rods 4 of 1 inner wall fixed surface of base, socket 5 is worn to fixedly connected with between four connecting rods 4, and a pillar 6 is worn to be equipped with inside penetrating of seat 5.

Wherein, as shown in figure 4, a second support column 14 penetrates through the first support column 6, a sliding sleeve ring 15 is sleeved on the outer surface of the second support column 14, a first connecting column 16 is fixedly connected on the outer surface of the outer side of the sliding sleeve ring 15, a second connecting column 17 is fixedly connected on the outer surface of the upper end side surface of the second support column 14, a first rotating block 18 and a second rotating block 19 are sleeved on the outer surfaces of the first connecting column 16 and the second connecting column 17, a first clamping plate 20 and a first frame plate 22 which are provided with arc-shaped clamping grooves are respectively and fixedly connected on the outer surfaces of the first rotating block 18 and the second rotating block 19, a second clamping plate 21 and a second frame plate 23 which are provided with arc-shaped clamping grooves are respectively and fixedly connected on the outer surfaces of the first frame plate 22 and the second frame plate 23, a curtain winding drum 24 is clamped on the upper surfaces of the curtain winding drum 24, a screen 25 is arranged on the outer surface of the curtain winding drum 24, a fixing rod 26 is fixedly connected on the other end of the screen 25, and two ends of the fixing rod 26 are clamped on the first clamping plate 20 and the second clamping plate 21, an adjusting stud 27 penetrates through the first frame plate 22 and the second frame plate 23, the first clamping plate 20 and the second clamping plate 21 are connected through the adjusting stud 27 in a penetrating mode, and a plurality of limiting nuts 28 are connected to the outer surfaces of the two adjusting studs 27 in a threaded mode.

In a preferred embodiment, as shown in fig. 1, a plurality of fixed blocks 2 are fixedly connected to the bottom surface of the movable base 1, and movable wheels 3 are fixedly connected to the bottom of the fixed blocks 2, so as to facilitate the convenient movement of the whole device.

In a preferred embodiment, as shown in fig. 1, the outer surface of the lower end of the first support 6 is sleeved with a limit ring 9 fixed by screw threads, so that by arranging the limit ring 9, the limit ring 9 can slide, the amount of the inner part of the socket 5 penetrated by the first support 6 can be controlled, and then the first support is fixed by screws.

In a preferred embodiment, as shown in fig. 2, the outer surface of the upper end of the first prop 6 is fixedly sleeved with a connecting sleeve ring 7, the outer surface of the connecting sleeve ring 7 is fixedly connected with a fixed ring block 8, and the outer surface of the fixed ring block 8 is provided with a connecting groove 10 to facilitate the rotational connection of the support rod 12, so that the support rod 12 is more flexible.

In a preferred embodiment, as shown in fig. 2, a connecting rotating shaft 11 is fixedly connected to the surface of the opposite side wall inside the connecting groove 10, and a supporting rod 12 is sleeved on the outer surface of the connecting rotating shaft 11, so that the center of gravity is easy to be unstable when the height of the second prop 14 is adjusted to be high, and the supporting rod 12 is specially arranged to expand the support and increase the stability of the center of gravity.

In a preferred embodiment, as shown in fig. 2, a slot 13 is formed in the upper surface of the movable base 1, and the other end of the supporting rod 12 is inserted into the slot 13, so that the supporting rod 12 is conveniently inserted into the slot 13, and thus the mounting and dismounting are convenient.

In a preferred embodiment, as shown in fig. 2, the screw for fixing the second prop 14 is screwed on the outer surface of the side edge of the upper end of the connecting collar 7, so that the screw is connected on the outer surface of the connecting collar 7, and the screw can be tightened to clamp and fix the second prop 14.

The utility model discloses the theory of operation: firstly, the curtain winding drum 24 is placed on the clamping groove formed between the first frame plate 22 and the second frame plate 23, the other end of the screen projection cloth 25, namely the fixing rod 26, is placed in the clamping groove formed between the first clamping plate 20 and the second clamping plate 21, the sliding sleeve ring 15 is movable, so that the sliding sleeve ring 15 can vertically press down the bottom of the screen projection cloth 25, the screen projection cloth 25 is more flat, the distance between the first clamping plate 20 and the second clamping plate 21 and the distance between the first frame plate 22 and the second frame plate 23 can be adjusted by adjusting the stud 27, the opening and closing position of the screen projection cloth 25 can be adjusted, the screen projection cloth 25 is suitable for screen projection cloths 25 with different widths, the screen projection cloth can be fixed by screwing the limit nut 28, and the second support 14 and the first support 6 are connected in a penetrating manner, so that the whole second support 14 and related components can be lifted in height, because the connecting sleeve ring 7 is fixed connection with pillar 6, the connecting sleeve ring 7 position is motionless, because connecting sleeve ring 7 surface is connected with the screw, the wrench tie of screw can press from both sides tightly fixed to No. two pillars 14, because No. two pillars 14 highly the rise when higher, easy focus is unstable, specially set up bracing piece 12 and enlarge the support, increase centrobaric stationarity, and pillar 6 wears to locate to wear socket 5 inside, through setting up spacing ring 9, spacing ring 9 slidable can control what of wearing socket 5 internal portion to pillar 6, fixes by the screw again, and whole device spare part convenient to detach installs like this, when not using like this, also accomodate after the convenient to detach.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 college ideological and political theory class is explained with removing projection panel, includes removal base (1), its characterized in that: the inner wall surface of the movable base (1) is fixedly connected with a plurality of connecting rods (4), four connecting rods (4) are fixedly connected with a through socket (5), a first support (6) is arranged inside the through socket (5) in a penetrating manner, a second support (14) is arranged inside the first support (6) in a penetrating manner, a sliding sleeve ring (15) is sleeved on the outer surface of the second support (14), a first connecting column (16) is fixedly connected on the outer side surface of the sliding sleeve ring (15), a second connecting column (17) is fixedly connected on the outer surface of the upper end side surface of the second support (14), a first rotating block (18) and a second rotating block (19) are sleeved on the outer surfaces of the first connecting column (16) and the second connecting column (17), a first clamping plate (20) and a first frame plate (22) provided with arc-shaped clamping grooves are respectively and fixedly connected on the outer surfaces of the first rotating block (18), two No. two cardboard (21) and No. two frame plates (23) that arc draw-in groove were seted up to No. two commentaries on classics piece (19) surface fixedly connected with respectively, frame plate (22) and No. two frame plates (23) upper surface joint have curtain reel (24), curtain reel (24) surface is coiled and is equipped with throws screen (25), throw screen (25) other end fixedly connected with dead lever (26), just dead lever (26) both ends joint is on cardboard (20) and No. two cardboard (21), frame plate (22) and No. two frame plates (23) are worn to be equipped with between each other and are adjusted double-screw bolt (27), cardboard (20) and No. two cardboard (21) all wear to establish through adjusting double-screw bolt (27) and are connected, two adjust double-screw bolt (27) surface equal threaded connection have a plurality of stop nut (28).

2. The mobile projection display board for teaching of ideological and political theory of colleges and universities according to claim 1, wherein: the movable base is characterized in that a plurality of fixed blocks (2) are fixedly connected to the surface of the bottom of the movable base (1), and movable wheels (3) are fixedly connected to the bottoms of the fixed blocks (2).

3. The mobile projection display board for teaching of ideological and political theory of colleges and universities according to claim 1, wherein: the outer surface of the lower end of the first supporting column (6) is sleeved with a limiting ring (9) fixed through screw threads.

4. The mobile projection display board for teaching of ideological and political theory of colleges and universities according to claim 1, wherein: a pillar (6) upper end external fixed surface cover is equipped with the connection lantern ring (7), connection lantern ring (7) external fixed surface is connected with fixed ring piece (8), spread groove (10) have been seted up to fixed ring piece (8) surface.

5. The mobile projection display board for teaching of ideological and political theory of colleges and universities according to claim 4, wherein: the inside relative lateral wall fixed surface of spread groove (10) is connected with and connects pivot (11), connect pivot (11) surface and cup jointed bracing piece (12).

6. The mobile projection display board for teaching of ideological and political theory of colleges and universities according to claim 5, wherein: the upper surface of the movable base (1) is provided with a slot (13), and the other end of the support rod (12) penetrates through the slot (13).

7. The mobile projection display board for teaching of ideological and political theory of colleges and universities according to claim 4, wherein: the outer surface of the side edge of the upper end of the connecting lantern ring (7) is in threaded connection with a screw capable of fixing the second support column (14).