CN214504625U

CN214504625U - Electronic propaganda column is used in teaching

Info

Publication number: CN214504625U
Application number: CN202120208927.XU
Authority: CN
Inventors: 黎凤娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-26
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an electronic publicity column is used in teaching, including support frame, installing frame and transparent viewing aperture, the universal wheel is installed to the lower extreme of support frame, the speed reducer that just reverses is installed to the free upper end of bracing piece right-hand member, the top of support frame is provided with the installing frame, the right-hand member fixedly connected with dead lever of installing frame, the inside wall at both ends all is provided with the fixed block about the installing frame the connecting rod is provided with first torsion spring with the junction of fixed block, the equal fixedly connected with installation piece in rear side at both ends about the fixed stop. This electronic publicity column is used in teaching is convenient for fold and is accomodate the publicity column when not using, reduces the occupation of land space, is convenient for carry out the dismouting when electronic display device breaks down and overhauls, can avoid electronic display device ash falling simultaneously, influences visual effect to reach better propaganda and learning effect.

Description

Electronic propaganda column is used in teaching

Technical Field

The utility model relates to a relevant technical field of adult education teaching specifically is an electronic publicity column is used in teaching.

Background

Adult education is an adult education form mainly based on the improvement of adult education, can increase the ability, enrich knowledge, improve technical and professional qualifications and turn to a new employment direction, and in the campus of adult education, an electronic bulletin board is a very good learning and propaganda tool, and is generally formed by combining an electronic display device and a frame, so that the electronic bulletin board is very widely used and has high practicability.

However, general electronic publicity column is inconvenient folding to be accomodate the publicity column when not using, influences the occupation of land space, and inconvenient when electronic display device breaks down, carries out dismouting and maintenance, and the ash falls easily, influences visual effect to influence the effect of propaganda and study, for this reason we have proposed an electronic publicity column for teaching, is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic publicity column is used in teaching to solve the problem of the effect of general electronic publicity column of proposing among the above-mentioned background art and inconvenient folding when not using to the publicity column and accomodate, influence occupation of land space, inconvenient when electronic display device breaks down, carry out the dismouting and overhaul, the ash falls easily, influences visual effect, thereby influence propaganda and study.

In order to achieve the above object, the utility model provides a following technical scheme: an electronic publicity column for teaching comprises a support frame, an installation frame and a transparent observation port, wherein universal wheels are installed at the lower end of the support frame, support rods are fixedly connected to the left end and the right end of the support frame, positive and negative rotating speed reducers are installed at the upper ends of right end monomers of the support rods, gears are fixedly connected to the output ends of the positive and negative rotating speed reducers, the installation frame is arranged above the support frame, a connecting sleeve is fixedly connected to the lower end of the installation frame, a fixed rod is fixedly connected to the right end of the installation frame, installation holes are formed in the upper end and the lower end of the installation frame, fixed blocks are arranged on the inner side walls of the left end and the right end of the installation frame, a connecting rod is hinged to one end of the fixed block, which is far away from the vertical central axis of the installation frame, a first torsion spring is arranged at the joint of the connecting rod and the fixed block, and a movable block is arranged at one end of the first torsion spring, which is far away from the vertical central axis of the installation frame, the front end laminating of installing frame is provided with fixed stop, and fixed stop's mid-mounting has transparent viewing aperture, the equal fixedly connected with installation piece in rear side at both ends about the fixed stop, and the equal hinged joint in upper and lower both ends of fixed stop has the gag lever post to the gag lever post is provided with second torsion spring with fixed stop's junction.

Preferably, the connection mode of the support rod and the connection sleeve is through connection, and the support rod is of a T-shaped structure.

Preferably, the mounting frame forms a lifting structure on the support frame through a fixing rod, and the fixing rod is connected with the gear in a meshing manner.

Preferably, the fixed block is of a groove-shaped structure, and the single bodies of the fixed block are symmetrically arranged about the vertical central axis of the mounting frame.

Preferably, the connecting rod is connected with the movable block by a hinge, and the movable block is connected with the mounting frame by a sliding connection.

Preferably, the limiting rod forms a turnover structure on the fixed baffle, is of an L-shaped structure and is connected with the mounting frame in a clamping manner.

Compared with the prior art, the beneficial effects of the utility model are that: the electronic publicity column for teaching is convenient to fold and store when not in use, reduces the occupied space, is convenient to disassemble, assemble and maintain when the electronic display device breaks down, and can avoid the electronic display device from falling ash to influence the visual effect, thereby achieving better publicity and learning effects;

1. the propaganda column is provided with a support frame, a gear and a fixed rod, when the propaganda column is not used, the gear is driven to rotate through a forward and reverse speed reducer, the gear is meshed with the fixed rod to drive the installation frame to lift on the support frame, the connection sleeve slides on the support rod to retract the installation frame into the middle of the support frame, the propaganda column can be conveniently stored, and the occupied space of the propaganda column is reduced;

2. the electronic display device is provided with a fixed block and a connecting rod, the fixed block extrudes the connecting rod by pressing the fixed block, the first torsion spring elastically deforms, the movable block slides on the mounting frame, then the electronic display device is mounted into the mounting frame, the fixed block is loosened, the first torsion spring recovers the elastic deformation, and the electronic display device is limited and fixed by the fixed block, so that the electronic display device is prevented from falling, and the electronic display device is protected conveniently;

3. be equipped with fixed stop and transparent viewing aperture, when the electronic display device in the installing frame breaks down, through pressing the gag lever post, elastic deformation takes place for second torsion spring, the gag lever post breaks away from with the installing frame, then take out the installation piece from the mounting hole, take off fixed stop from the front end of installing frame, thereby the convenience carries out dismouting maintenance to electronic display device, can observe the content on the electronic display device through transparent viewing aperture simultaneously when using, avoid the dust to fall on the electronic display device in the installing frame.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a side view of the connection between the mounting frame and the fixed baffle plate of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;

FIG. 5 is a schematic side view of the connection between the fixing rod and the gear according to the present invention;

fig. 6 is the utility model discloses the mounting frame is connected spatial structure sketch map with the adapter sleeve.

In the figure: 1. a support frame; 2. a universal wheel; 3. a support bar; 4. a forward and reverse rotation speed reducer; 5. a gear; 6. installing a frame; 7. connecting sleeves; 8. fixing the rod; 9. mounting holes; 10. a fixed block; 11. a connecting rod; 12. a first torsion spring; 13. a movable block; 14. fixing a baffle plate; 15. a transparent viewing port; 16. mounting blocks; 17. a limiting rod; 18. a second torsion spring.

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. 1-6, the present invention provides a technical solution: an electronic publicity column for teaching comprises a support frame 1, universal wheels 2, support rods 3, a forward and reverse rotation speed reducer 4, gears 5, an installation frame 6, a connecting sleeve 7, a fixed rod 8, an installation hole 9, a fixed block 10, a connecting rod 11, a first torsion spring 12, a movable block 13, a fixed baffle 14, a transparent observation port 15, an installation block 16, a limiting rod 17 and a second torsion spring 18, wherein the universal wheels 2 are installed at the lower end of the support frame 1, the support rods 3 are fixedly connected with the left end and the right end of the support frame 1, the forward and reverse rotation speed reducer 4 is installed at the upper end of a right end monomer of the support rod 3, the gears 5 are fixedly connected with the output end of the forward and reverse rotation speed reducer 4, the installation frame 6 is arranged above the support frame 1, the connecting sleeve 7 is fixedly connected with the lower end of the installation frame 6, the fixed rod 8 is fixedly connected with the right end of the installation frame 6, and the installation hole 9 is arranged at the upper end and the lower end of the installation frame 6, the inside wall at both ends all is provided with fixed block 10 about installing frame 6, and the one end hinged joint who keeps away from the perpendicular axis of installing frame 6 of fixed block 10 has connecting rod 11, connecting rod 11 is provided with first torsion spring 12 with the junction of fixed block 10, and the one end that the perpendicular axis of installing frame 6 was kept away from to first torsion spring 12 is provided with movable block 13, the laminating of the front end of installing frame 6 is provided with fixed stop 14, and fixed stop 14's mid-mounting has transparent viewing aperture 15, the equal fixedly connected with installation piece 16 in rear side at both ends about fixed stop 14, and the equal hinged joint in upper and lower both ends of fixed stop 14 has gag lever post 17, and the junction of gag lever post 17 and fixed stop 14 is provided with second torsion spring 18.

Like the connected mode of bracing piece 3 and adapter sleeve 7 be through connection in fig. 1, and bracing piece 3 is "T" font structure, is convenient for drive installing frame 6 and goes up and down in the inside of support frame 1, accomodates the publicity column.

As in figure 1 and figure 3 the installing frame 6 through dead lever 8 constitute elevation structure on support frame 1, and dead lever 8 is connected for the meshing with the connected mode of gear 5, conveniently accomodates the publicity column when not using, reduces the occupation of land space of publicity column.

As shown in fig. 1 and 6, the fixing block 10 has a groove-shaped structure, and the single bodies of the fixing block 10 are symmetrically arranged about the vertical central axis of the mounting frame 6, so that the electronic display device in the mounting frame 6 can be limited and fixed by the fixing block 10.

As shown in fig. 2, the connection mode of the connecting rod 11 and the movable block 13 is a hinge connection, and the connection mode of the movable block 13 on the mounting frame 6 is a sliding connection, so that the fixed block 10 is conveniently driven to move inside the mounting frame 6, and the electronic display device is better mounted.

Constitute flip structure as in fig. 4 gag lever post 17 on fixed stop 14, and gag lever post 17 is "L" type structure to gag lever post 17 is connected for the block with the connected mode of installing frame 6, is convenient for install and dismantle fixed stop 14 through gag lever post 17, thereby conveniently carries out dismouting to electronic display device and overhauls.

The working principle is as follows: when the electronic bulletin board for teaching is used, firstly, the electronic bulletin board is moved to a proper position through the universal wheel 2 shown in figure 1, the fixed block 10 shown in figure 2 is pressed, the fixed block 10 extrudes the connecting rod 11, the first torsion spring 12 elastically deforms, the movable block 13 slides on the mounting frame 6, then the electronic display device is mounted in the mounting frame 6, the fixed block 10 is loosened, the first torsion spring 12 recovers the elastic deformation, the electronic display device is limited and fixed through the fixed block 10, the electronic display device is prevented from falling, the electronic display device is protected conveniently, then the fixed baffle 14 is placed at the front end of the mounting frame 6, the limiting rod 17 is pressed, the limiting rod 17 is inserted and overturned on the mounting frame 6, the second torsion spring 18 elastically deforms, and the mounting block 16 is aligned with the mounting hole 9, then the limiting rod 17 is loosened, the second torsion spring 18 recovers elastic deformation, the fixing baffle 14 is installed and fixed through the clamping between the limiting rod 17 and the installation frame 6, so that the content on the electronic display device is observed through the transparent observation port 15, and meanwhile, the electronic display device is installed inside the installation frame 6, so that dust is prevented from falling on the electronic display device, and the electronic display device is protected;

when the electronic display device fails, the limiting rod 17 shown in fig. 3 and 4 is pressed, the limiting rod 17 is separated from the mounting frame 6, and the fixed baffle 14 is detached from the mounting frame 6, so that the electronic display device in the mounting frame 6 can be conveniently dismounted, mounted and overhauled;

when not using, drive gear 5 through positive and negative speed reducer 4 and rotate, the model of positive and negative speed reducer 4 is simultaneously: 5RK90GV-C, gear 5 is connected with the meshing of dead lever 8 to drive the installing frame 6 and go up and down on support frame 1, adapter sleeve 7 slides on bracing piece 3, thereby the middle part of support frame 1 is taken in with installing frame 6, is convenient for accomodate the publicity column, reduces the occupation of land space of publicity column, and this is the whole process that the electronic publicity column used for teaching.

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 an electronic publicity column is used in teaching, includes support frame (1), installing frame (6) and transparent viewing aperture (15), its characterized in that: the universal wheel (2) is installed at the lower end of the support frame (1), the support rods (3) are fixedly connected to the left end and the right end of the support frame (1), the forward and reverse speed reducers (4) are installed at the upper ends of the right end of the support rods (3) in a single mode, gears (5) are fixedly connected to the output ends of the forward and reverse speed reducers (4), an installation frame (6) is arranged above the support frame (1), a connecting sleeve (7) is fixedly connected to the lower end of the installation frame (6), a fixing rod (8) is fixedly connected to the right end of the installation frame (6), installation holes (9) are formed in the upper end and the lower end of the installation frame (6), fixed blocks (10) are arranged on the inner side walls of the left end and the right end of the installation frame (6), a connecting rod (11) is hinged to the end, far away from the vertical central axis of the installation frame (6), a torsion spring (12) is arranged at the joint of the connecting rod (11) and the fixed blocks (10), and the one end that installing frame (6) perpendicular axis was kept away from in first torsion spring (12) is provided with movable block (13), the laminating of the front end of installing frame (6) is provided with fixed stop (14), and the mid-mounting of fixed stop (14) has transparent viewing aperture (15), the equal fixedly connected with installation piece (16) in rear side at both ends about fixed stop (14), and the equal hinged joint in upper and lower both ends of fixed stop (14) has gag lever post (17) to the junction of gag lever post (17) and fixed stop (14) is provided with second torsion spring (18).

2. The electronic bulletin board for teaching of claim 1, wherein: the support rod (3) is connected with the connecting sleeve (7) in a penetrating way, and the support rod (3) is of a T-shaped structure.

3. The electronic bulletin board for teaching of claim 1, wherein: the mounting frame (6) forms a lifting structure on the support frame (1) through the fixing rod (8), and the fixing rod (8) is connected with the gear (5) in a meshing manner.

4. The electronic bulletin board for teaching of claim 1, wherein: the fixing block (10) is of a groove-shaped structure, and the monomers of the fixing block (10) are symmetrically arranged about the vertical middle axis of the mounting frame (6).

5. The electronic bulletin board for teaching of claim 1, wherein: the connecting rod (11) is connected with the movable block (13) through a hinge, and the movable block (13) is connected with the mounting frame (6) in a sliding mode.

6. The electronic bulletin board for teaching of claim 1, wherein: the limiting rod (17) forms an overturning structure on the fixed baffle (14), the limiting rod (17) is of an L-shaped structure, and the limiting rod (17) is connected with the mounting frame (6) in a clamping manner.