CN211786835U

CN211786835U - Computer display screen for classroom

Info

Publication number: CN211786835U
Application number: CN201922036597.6U
Authority: CN
Inventors: 王建芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-27
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a teaching auxiliary assembly technical field just discloses a computer display screen that classroom was used, the on-line screen storage device comprises a base, the middle part fixed connection of base top and display screen bottom, the both ends at display screen top fixed mounting respectively has the fixed block, and the threaded rod has been cup jointed in the activity between two fixed blocks, the one end of threaded rod run through and extend to the outside of a fixed block and with the one end fixed connection of handle. This computer display screen that classroom was used, effect through spring III for be convenient for place the standing groove with the brush when not needing the clearance in, avoid the brush to expose and cause the influence to the line of sight outside, student's the quality of listening to lessons has been reduced, and under threaded rod and two mobile device's combined action, make the brush can clear up the display screen on the front of display screen round trip movement, avoid because long-time use returns to pile up the dust on the display screen, influence the user and use.

Description

Computer display screen for classroom

Technical Field

The utility model relates to a teaching auxiliary assembly technical field specifically is a computer display screen that classroom was used.

Background

A display is also commonly referred to as a monitor, and is an I/O device belonging to a computer, i.e., an input/output device, which is a display tool for displaying a certain electronic document on a screen through a specific transmission device and reflecting the electronic document to human eyes.

The computer that uses in the classroom has many dust and chalk dust in the classroom, because the display screen exposes in the air, will be stained with the dust on using the display screen after a period, influences normal use, need clean the display screen, and some brush dismantles comparatively difficultly in current cleaning, leads to using the brush unclean for a long time, has reduced the clean effect to the display screen.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a computer display screen that classroom was used, possess clean effectual and the advantage of being convenient for to change, it has many dust and chalk dust to have solved in the classroom, because the display screen exposes in the air, will be stained with the dust on using the display screen after a period, influence normal use, need clean the display screen, and some current brush dismantles comparatively difficultly in cleaning, it is unclean to lead to using the brush for a long time, the problem of the clean effect to the display screen has been reduced.

The utility model provides a following technical scheme: a computer display screen for classrooms comprises a base, wherein the top end of the base is fixedly connected with the middle part of the bottom end of the display screen, two ends of the top part of the display screen are respectively and fixedly provided with a fixed block, a threaded rod is movably sleeved between the two fixed blocks, one end of the threaded rod penetrates through and extends to the outside of one fixed block and is fixedly connected with one end of a handle, the outside of the threaded rod is fixedly sleeved with a driving wheel between one fixed block and the handle, the outside of the driving wheel is movably connected with the outside of a driven wheel through a belt, the inside of the driven wheel is fixedly sleeved with one end of the threaded rod positioned below the display screen, one side of the display screen far away from the belt is fixedly provided with a placing groove, a hairbrush is placed in the placing groove, a connecting shaft is movably sleeved in the hairbrush, and two, spring I has been cup jointed in the inside activity of connecting axle bottom, the both ends of spring I run through respectively and extend to the outside of connecting axle and respectively with one side fixed connection of stopper, the bottom of connecting axle is connected with the top of telescopic link, and the outside activity of telescopic link has cup jointed spring II.

Preferably, the mobile device includes the sliding block, the front of sliding block and spring III's one end fixed connection, and spring III's the other end and the one end fixed connection of connecting block.

Preferably, the inside of connecting block has seted up the draw-in groove, and the diameter value of draw-in groove is greater than the diameter value of connecting axle on the connecting block.

Preferably, the sum of the maximum compression amount of the spring I and the width values of the two limiting blocks is smaller than the inner diameter value of the hairbrush.

Preferably, the top end of the spring II is fixedly connected with the top end of the telescopic rod, and the bottom end of the spring II is fixedly connected with the bottom end of the telescopic rod.

Preferably, the number of the moving devices is two, and the interiors of the two moving devices are respectively movably sleeved with the exterior of one end of the two threaded rods.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this computer display screen that classroom was used, effect through spring III for be convenient for place the standing groove with the brush when not needing the clearance in, avoid the brush to expose and cause the influence to the line of sight outside, student's the quality of listening to lessons has been reduced, and under threaded rod and two mobile device's combined action, make the brush can clear up the display screen on the front of display screen round trip movement, avoid because long-time use returns to pile up the dust on the display screen, influence the user and use.

2. This computer display screen that classroom was used through the effect of draw-in groove on the connecting block to and at the combined action of spring II and telescopic link, can dismantle connecting axle and brush, be convenient for maintain and dismantle the brush, improved the convenience of changing and installing the brush.

Drawings

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

FIG. 2 is an enlarged schematic view of the point A in FIG. 1;

FIG. 3 is a schematic top view of the sliding block of the present invention;

fig. 4 is a schematic top view of the structural connecting block of the present invention.

In the figure: 1. a base; 2. a display screen; 3. a fixed block; 4. a threaded rod; 5. a handle; 6. a driving wheel; 7. a belt; 8. a driven wheel; 9. a placement groove; 10. a brush; 11. a connecting shaft; 12. a mobile device; 121. a slider; 122. a spring III; 123. connecting blocks; 13. a spring I; 14. a limiting block; 15. A telescopic rod; 16. and a spring II.

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, a computer display screen for classroom use comprises a base 1, the top end of the base 1 is fixedly connected with the middle of the bottom end of a display screen 2, two ends of the top of the display screen 2 are respectively fixedly provided with a fixed block 3, a threaded rod 4 is movably sleeved between the two fixed blocks 3, one end of the threaded rod 4 penetrates and extends to the outside of one fixed block 3 and is fixedly connected with one end of a handle 5, the outside of the threaded rod 4 is positioned between one fixed block 3 and the handle 5 and is fixedly sleeved with a driving wheel 6, the outside of the driving wheel 6 is movably connected with the outside of a driven wheel 8 through a belt 7, the inside of the driven wheel 8 is fixedly sleeved with one end of the threaded rod 4 positioned below the display screen 2, one side of the display screen 2 far away from the belt 7 is fixedly provided with a placement groove 9, a brush 10 is placed in the placement groove 9, the two ends of the connecting shaft 11 are respectively clamped with the inside of the moving devices 12, the number of the moving devices 12 is two, the insides of the two moving devices 12 are respectively movably sleeved with the outsides of one ends of the two threaded rods 4, through the action of the threaded rods 4 and the combined action of the two moving devices 12, the brush 10 can move back and forth on the front surface of the display screen 2 to clean the display screen, and the influence on the use of a user due to dust accumulation on the display screen 2 after long-time use is avoided, the moving devices 12 comprise sliding blocks 121, the front surfaces of the sliding blocks 121 are fixedly connected with one ends of springs III 122, the other ends of the springs III 122 are fixedly connected with one ends of connecting blocks 123, clamping grooves are formed in the inside of the connecting blocks 123, the diameter values of the clamping grooves in the connecting blocks 123 are larger than that of the connecting shaft 11, and the connecting shaft 11 can, the convenience of replacing the brush 10 on the connecting shaft 11 is improved, the brush 10 is conveniently placed in the placing groove 9 when the cleaning is not needed through the action of the spring III 122, the influence on the sight line caused by the exposure of the brush 10 is avoided, the class listening quality of students is reduced, the spring I13 is sleeved on the inner part of the bottom end of the connecting shaft 11, the sum of the maximum compression amount of the spring I13 and the width values of the two limit blocks 14 is smaller than the inner diameter value of the brush 10, the brush 10 can be disassembled under the combined action of the spring I13 and the limit blocks 14, the brush 10 is conveniently cleaned and replaced, the cleaning effect on the display screen 2 is improved, the two ends of the spring I13 respectively penetrate through and extend to the outer part of the connecting shaft 11 and are respectively and fixedly connected with one side of the limit blocks 14, the bottom end of the connecting shaft 11 is connected with the top end of the telescopic rod 15, and the spring II 16 is sleeved on, the top of spring II 16 and the top fixed connection of telescopic link 15, and the bottom of spring II 16 and the bottom fixed connection of telescopic link 15, at spring II 16 and telescopic link 15's combined action, can dismantle connecting axle 11 and brush 10, be convenient for maintain and dismantle brush 10, improve the convenience of changing.

Principle of operation, at first clockwise turning handle 5 makes threaded rod 4 of 2 tops of display screen rotate, threaded rod 4 rotates and drives action wheel 6 rotatory, action wheel 6 rotates and drives the driven wheel 8 rotation of being connected through belt 7 with action wheel 6, two mobile device 12 move on threaded rod 4 this moment, make the positive contact of brush 10 with display screen 2 with hand pulling brush 10, clean display screen 2, then when changing and wasing brush 10, connecting axle 11 that is located spring I13 below pushes up under the effect of spring II 16 and telescopic link 15 bar connecting axle 11 and makes it dismantle connecting axle 11 with the separation of connecting block 123, extrude stopper 14 simultaneously at last and take off brush 10 from connecting axle 11 and change, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A computer display screen for a classroom, comprising a base (1), characterized in that: the middle part fixed connection of base (1) top and display screen (2) bottom, the both ends at display screen (2) top are fixed mounting respectively has fixed block (3), and threaded rod (4) has been cup jointed in the activity between two fixed blocks (3), the one end of threaded rod (4) run through and extend to the outside of a fixed block (3) and with the one end fixed connection of handle (5), the outside of threaded rod (4) is located the fixed cover and has been connect action wheel (6) between a fixed block (3) and handle (5), the outside of action wheel (6) is through belt (7) and the outside swing joint from driving wheel (8), and the fixed cover of the inside of following driving wheel (8) and the one end of threaded rod (4) that is located display screen (2) below connects, one side fixed mounting that belt (7) were kept away from in display screen (2) has standing groove (9), and brush (10) have been placed to the inside of standing groove (9), connecting axle (11) have been cup jointed in the inside activity of brush (10), the both ends of connecting axle (11) respectively with the inside joint of mobile device (12), spring I (13) have been cup jointed in the inside activity of connecting axle (11) bottom, the both ends of spring I (13) run through respectively and extend to the outside of connecting axle (11) and respectively with one side fixed connection of stopper (14), the bottom of connecting axle (11) is connected with the top of telescopic link (15), and the outside activity of telescopic link (15) has cup jointed spring II (16).

2. A computer display screen for a classroom as defined in claim 1, wherein: the moving device (12) comprises a sliding block (121), the front face of the sliding block (121) is fixedly connected with one end of a spring III (122), and the other end of the spring III (122) is fixedly connected with one end of a connecting block (123).

3. A computer display screen for a classroom as defined in claim 2, wherein: the inside of connecting block (123) has been seted up the draw-in groove, and the diameter value of draw-in groove is greater than the diameter value of connecting axle (11) on connecting block (123).

4. A computer display screen for a classroom as defined in claim 1, wherein: the sum of the maximum compression amount of the spring I (13) and the width values of the two limiting blocks (14) is smaller than the inner diameter value of the hairbrush (10).

5. A computer display screen for a classroom as defined in claim 1, wherein: the top end of the spring II (16) is fixedly connected with the top end of the telescopic rod (15), and the bottom end of the spring II (16) is fixedly connected with the bottom end of the telescopic rod (15).

6. A computer display screen for a classroom as defined in claim 1, wherein: the number of the moving devices (12) is two, and the interiors of the two moving devices (12) are movably sleeved with the exterior of one end of the two threaded rods (4) respectively.