Teacher shows wall with student's work
Technical Field
The utility model relates to a teaching auxiliary device technical field, more specifically say, it relates to a mr shows wall with student's work.
Background
In a university, more students exist, so that a teacher needs to deal with more things, when a school has new activities and reaches new notice, the notice needs to be posted when the teacher can not clearly explain the details of the activities, and the students can check the details of the activities in the classroom.
Present student's work show wall all is that placing in outdoor of movable blackboard shape is blown down or suffers to think to destroy easily by wind, and when rainy day, the show face of student's work show wall suffers the attack of rainwater easily and becomes vague, the show of being not convenient for, so the utility model discloses a solve above-mentioned technical problem not enough.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a teacher shows wall with student's work, it has can install and be not convenient for wind-blowing in the cylinder, and can lift adjustment, is convenient for carry out the characteristics that surface cleaned in the rainy day.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a student work display wall for teachers comprises an installation base and a concave display wall, wherein a hollow support column is fixedly connected to the upper surface of the installation base, and the lower surface of the hollow support column is communicated with the upper surface of the middle of the installation base;
a lifting adjusting device is arranged inside the mounting base and comprises a speed reducing motor, a threaded rod and a sliding chute, the speed reducing motor is arranged inside the mounting base, the threaded rod is arranged on the inner bottom wall of the speed reducing motor, the threaded rod is arranged on one side surface of an output shaft of the speed reducing motor, and the sliding chute is formed in one side surface of the hollow support column;
the surface of the concave display wall is provided with a wiper device, the wiper device comprises a display show window, display glass, a wiper sensor, an installation box body, a drain pipe and a rubber wiper, the display show window is arranged on the surface of the concave display wall, the display glass is arranged on the inner side wall of the display show window, the wiper sensor is arranged on the inner top wall of the display show window, the installation box body is arranged on the lower surface of the concave display wall, the drain pipe is arranged on the upper surface of the lower portion of the concave display wall, and the rubber wiper is arranged on the surface of the display glass.
Furthermore, the lower surface of the speed reducing motor is fixedly connected with the inner bottom wall of the mounting base, one side surface of an output shaft of the speed reducing motor is fixedly connected with one side surface of a threaded rod through a coupler, and the threaded rod is arranged inside the hollow support column;
through above-mentioned technical scheme, drive gear motor can make gear motor drive the threaded rod and rotate inside the hollow support post.
Furthermore, the inner side wall of the lower part of the hollow support column is fixedly connected with a lower limiting block, the inner side wall of the lower limiting block is in sliding connection with the outer surface of the threaded rod, the inner side wall of the upper part of the hollow support column is fixedly connected with an upper limiting block, the inner side wall of the upper limiting block is in sliding connection with the outer surface of the threaded rod, and the outer surface of the threaded rod is in threaded connection with a threaded pipe sleeve;
furthermore, a concave connecting block is fixedly connected to the surface of one side of the threaded pipe sleeve, the sliding groove is formed in the surface of one side of the hollow supporting column, the outer surface of the concave connecting block penetrates through the sliding groove to be in sliding connection with the inner side wall of the sliding groove, and the surface of one side of the connecting block is fixedly connected with the surface of one side of the concave display wall;
through above-mentioned technical scheme, go up spacing piece and spacing piece down and carry out spacing and support to the removal of threaded pipe box, the threaded pipe box reciprocates on the threaded rod, can make threaded pipe box drive and its structure of being connected by the spill connecting block reciprocate at the hollow support post surface through the spout.
Furthermore, one side surface of the display show window is hinged with the surface of a concave display wall through a hinge, a sealing rubber strip is fixedly connected to the inner surface of the edge of the display show window, an insertion groove is fixedly connected to the edge surface of the concave display wall, the outer surface of the sealing rubber strip is in sliding insertion connection with the inner side wall of the insertion groove, and a bolt is fixedly connected to the outer surface of one side of the display show window;
through the technical scheme, when the display window is in a closed state, the sealing rubber strip on the inner surface of the display window is inserted into the slot on the surface of the concave display wall, and the concave display wall formed by the window frame of the display window can be sealed and waterproof to a certain extent.
Furthermore, the outer surface of the display glass is fixedly connected with the inner side wall of the display show window, the surface of the concave display wall is fixedly connected with a plurality of small LED lamps, the inner top wall of the display show window is fixedly connected with the upper surface of the wiper sensor, and the upper surface of the installation box body is fixedly connected with the lower surface of the concave display wall;
through above-mentioned technical scheme, small-size LED lamp can carry out the illumination at night to the spill show wall behind the show glass, and the windshield wiper sensor can detect the rainfall or the dust rubbish of beating on show glass to drive wiper device cleans show glass surface.
Furthermore, a servo motor is fixedly connected to the inner side wall of one side of the installation box body, a cam rod is fixedly connected to the outer surface of one side of an output shaft of the servo motor through a coupler, a linkage rod is hinged to the surface of one side of the cam rod through a hinge disc, a support rod is hinged to the surface of one side of the linkage rod through a hinge disc, a plurality of transmission rods are hinged to the outer surface of the support rod through hinge discs, an installation block is fixedly connected to the upper portion of the surface of one side of the installation box body, a connecting shaft is fixedly connected to the surface of one side of the transmission rod, the outer surface of the connecting shaft penetrates through the surface of one side of the installation box body to be slidably connected with the inner side wall;
through above-mentioned technical scheme, the installation box is used for installing wiper device's drive structure, servo motor and wiper sensor electric connection, and servo motor's drive makes the cam lever rotate to drive gangbar and bracing piece, transfer line, wiper lever and control the swing that has the frequency, thereby drive the rubber wiper ware and clean show glass surface.
Furthermore, the inner side wall of the upper surface of the lower part of the concave display wall is fixedly sleeved with the outer surface of a drain pipe, the outer surface of the drain pipe is fixedly sleeved with the inner side wall of the mounting box body, the surface of one side of the upper part of the hollow support column is fixedly connected with a baffle plate, the upper surface of the hollow support column is fixedly connected with a solar cell panel and a storage battery pack, and the solar cell panel is electrically connected with the storage battery pack;
through above-mentioned technical scheme, the drain pipe is used for discharging the rainwater that rubber windshield wiper cleaned, avoids the rainwater seepage to drench spill show wall surface, and the shielding plate tentatively shelters from the rainwater to spill show wall, and solar cell panel and storage battery have guaranteed windshield wiper device and elevating gear's electric power, energy saving and emission reduction.
To sum up, the utility model discloses following beneficial effect has:
1. set up lift adjustment device, carry out lift adjustment to mr with student's work show wall, the teacher of being convenient for places the show content, and the eminence is adjusted simultaneously and is convenient for show, also avoids the pedestrian to destroy work show wall. Through drive gear motor at the in-process of adjusting, can make gear motor drive the threaded rod and rotate inside the hollow support post for the screwed pipe cover reciprocates on the threaded rod, can make the screwed pipe cover drive and reciprocate at the hollow support post surface through the spout rather than the structure of being connected by the spill connecting block, just also realized adjusting from top to bottom to the work show wall, thereby had simple structure, the characteristics of easily operating.
2. Set up wiper device, carry out cleaning on rainy day show glass surface with student's work show wall to the mr, the show of the rainy day work show wall of being convenient for utilizes the rainy day also to wash the show glass surface of work show wall simultaneously, has guaranteed the cleanness on show glass surface. Can detect the rainfall or the dust rubbish of beating on show glass through the wiper sensor at the in-process of adjusting, thereby drive wiper device cleans show glass surface, and the installation box is used for installing wiper device's drive structure, servo motor and wiper sensor electric connection, servo motor's drive makes the cam lever rotate, thereby drive gangbar and bracing piece, the transfer line, there is the swing of frequency about the wiper lever carries out, thereby it cleans show glass surface to drive rubber wiper, just also realized that the rainy day cleans the show glass surface of work show wall automatically, thereby integrated into one piece has, the characteristics of automated adjustment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the installation box body of the present invention;
fig. 3 is a sectional view of the structure of the threaded rod of the present invention;
fig. 4 is an enlarged view of a structure a in fig. 1 according to the present invention.
In the figure: 1. installing a base; 2. a concave display wall; 21. a slot; 3. a hollow support column; 31. a lower limiting block; 32. an upper limit block; 33. a shielding plate; 34. a solar panel; 35. a battery pack; 4. a reduction motor; 5. a threaded rod; 51. a threaded pipe sleeve; 52. a concave connecting block; 6. a chute; 7. displaying the show window; 71. sealing the rubber strip; 72. a bolt; 73. a small LED lamp; 8. displaying the glass; 9. a wiper sensor; 10. installing a box body; 101. a servo motor; 102. a cam lever; 103. a linkage rod; 104. a support bar; 105. a transmission rod; 106. mounting blocks; 107. a connecting shaft; 108. a wiper lever; 11. a drain pipe; 12. a rubber wiper.
Detailed Description
Example (b):
the present invention will be described in further detail with reference to the accompanying fig. 1-4.
A teacher uses the student to work and show the wall, as shown in figure 1, including mounting base 1 and concave show wall 2, the upper surface of the mounting base 1 connects with the hollow pillar 3 fixedly, the lower surface of the hollow pillar 3 communicates with middle upper surface of the mounting base 1;
a lifting adjusting device is arranged inside the mounting base 1 and comprises a speed reducing motor 4, a threaded rod 5 and a sliding chute 6, the speed reducing motor 4 is arranged inside the mounting base 1, the threaded rod 5 is arranged on the inner bottom wall of the speed reducing motor 4, the threaded rod 5 is arranged on one side surface of an output shaft of the speed reducing motor 4, and the sliding chute 6 is arranged on one side surface of the hollow support column 3;
the lower surface of the speed reducing motor 4 is fixedly connected with the inner bottom wall of the mounting base 1, one side surface of an output shaft of the speed reducing motor 4 is fixedly connected with one side surface of the threaded rod 5 through the coupler, and the threaded rod 5 is arranged inside the hollow supporting column 3;
as shown in fig. 3, the lower inner side wall of the hollow support column 3 is fixedly connected with a lower limiting block 31, the inner side wall of the lower limiting block 31 is slidably connected with the outer surface of the threaded rod 5, the upper inner side wall of the hollow support column 3 is fixedly connected with an upper limiting block 32, the inner side wall of the upper limiting block 32 is slidably connected with the outer surface of the threaded rod 5, and the outer surface of the threaded rod 5 is in threaded connection with a threaded pipe sleeve 51; one side surface of the threaded pipe sleeve 51 is fixedly connected with a concave connecting block 52, the sliding groove 6 is arranged on one side surface of the hollow supporting column 3, the outer surface of the concave connecting block 52 penetrates through the sliding groove 6 to be in sliding connection with the inner side wall of the sliding groove 6, one side surface of the concave connecting block 52 is fixedly connected with one side surface of the concave display wall 2, through the technical scheme, the upper limiting block 32 and the lower limiting block 31 limit and support the movement of the threaded pipe sleeve 51, the threaded pipe sleeve 51 moves up and down on the threaded rod 5, and the threaded pipe sleeve 51 can drive a structure connected with the concave connecting block 52 to move up and down on the outer surface of the hollow supporting column 3 through the sliding;
set up lift adjustment device, carry out lift adjustment to mr with student's work show wall, the teacher of being convenient for places the show content, and the eminence is adjusted simultaneously and is convenient for show, also avoids the pedestrian to destroy work show wall. In the adjusting process, the speed reducing motor 4 is driven, so that the speed reducing motor 4 drives the threaded rod 5 to rotate inside the hollow support column 3, the threaded pipe sleeve 51 moves up and down on the threaded rod 5, the threaded pipe sleeve 51 drives the structure connected with the concave connecting block 52 to move up and down on the outer surface of the hollow support column 3 through the sliding groove 6, and the work display wall is adjusted up and down, so that the adjusting device has the characteristics of simple structure and easiness in operation;
the surface of the concave display wall 2 is provided with a wiper device, the wiper device comprises a display show window 7, display glass 8, a wiper sensor 9, an installation box body 10, a drain pipe 11 and a rubber wiper 12, the display show window 7 is arranged on the surface of the concave display wall 2, the display glass 8 is arranged on the inner side wall of the display show window 7, the wiper sensor 9 is arranged on the inner top wall of the display show window 7, the installation box body 10 is arranged on the lower surface of the concave display wall 2, the drain pipe 11 is arranged on the upper surface of the lower part of the concave display wall 2, and the rubber wiper 12 is arranged on the surface of the display glass 8;
as shown in fig. 4, one side surface of the display window 7 is hinged to the surface of the concave display wall 2 through a hinge, a sealing rubber strip 71 is fixedly connected to the inner surface of the edge of the display window 7, an insertion slot 21 is fixedly connected to the edge surface of the concave display wall 2, the outer surface of the sealing rubber strip 71 is in sliding insertion connection with the inner side wall of the insertion slot 21, and a plug 72 is fixedly connected to the outer surface of one side of the display window 7;
the outer surface of the display glass 8 is fixedly connected with the inner side wall of the display show window 7, the surface of the concave display wall 2 is fixedly connected with a plurality of small LED lamps 73, the inner top wall of the display show window 7 is fixedly connected with the upper surface of the wiper sensor 9, and the upper surface of the installation box body 10 is fixedly connected with the lower surface of the concave display wall 2;
as shown in fig. 2, a servo motor 101 is fixedly connected to the inner side wall of one side of the installation box 10, a cam rod 102 is fixedly connected to the outer surface of one side of the output shaft of the servo motor 101 through a coupling, a linkage rod 103 is hinged to one side surface of the cam rod 102 through a hinge disc, a support rod 104 is hinged to one side surface of the linkage rod 103 through a hinge disc, a plurality of transmission rods 105 are hinged to the outer surface of the support rod 104 through a hinge disc, an installation block 106 is fixedly connected to the upper portion of one side surface of the installation box 10, a connection shaft 107 is fixedly connected to one side surface of the transmission rod 105, the outer surface of the connection shaft 107 penetrates through one side surface of the installation box 10 to be slidably connected to the inner side wall of the installation block 106, a wiper rod 108 is fixedly connected to one side surface of the connection shaft 107, one side surface of the wiper rod, the servo motor 101 is electrically connected with the wiper sensor 9, and the cam lever 102 is driven to rotate by the servo motor 101, so that the linkage lever 103, the support lever 104, the transmission lever 105 and the wiper lever 108 are driven to swing left and right at a frequency, and the rubber wiper 12 is driven to clean the surface of the display glass 8;
the inner side wall of the upper surface of the lower part of the concave display wall 2 is fixedly sleeved with the outer surface of the drain pipe 11, the outer surface of the drain pipe 11 is fixedly sleeved with the inner side wall of the installation box body 10, the surface of one side of the upper part of the hollow support column 3 is fixedly connected with the baffle plate 33, the upper surface of the hollow support column 3 is fixedly connected with the solar cell panel 34 and the storage battery pack 35, the solar cell panel 34 is electrically connected with the storage battery pack 35, the drain pipe 11 is used for discharging rainwater cleaned by the rubber windshield wiper 12, rainwater leakage is prevented from wetting the surface of the concave display wall 2, the baffle plate 33 primarily shields the rainwater from the concave display wall 2, and the solar cell panel 34 and the storage battery pack 35 ensure;
set up wiper device, carry out cleaning on 8 surfaces of rainy day show glass with student's work show wall to the mr, the show of the rainy day work show wall of being convenient for utilizes the rainy day also to wash the show glass 8 surfaces of work show wall simultaneously, has guaranteed the cleanness on 8 surfaces of show glass. Can detect the rainfall or dust rubbish of hitting on show glass 8 at the in-process of regulation through wiper sensor 9, thereby drive wiper device cleans show glass 8 surface, and installation box 10 is used for installing wiper device's drive structure, servo motor 101 and wiper sensor 9 electric connection, servo motor 101's drive makes cam lever 102 rotate, thereby drive gangbar 103 and bracing piece 104, transfer line 105, there is the swing of frequency about wiper lever 108 carries out, thereby drive rubber wiper 12 cleans show glass 8 surface, the rainy day has just also been realized cleaning the show glass 8 surface of work show wall voluntarily, thereby have integrated into one piece, automated adjustment's characteristics.
The working principle is as follows: firstly, with reference to fig. 1 and 3, the work content of the student work display wall for teachers is placed, a speed reduction motor 4 in a mounting base 1 is driven by a remote controller to rotate reversely, a threaded rod 5 is driven to rotate, a threaded pipe sleeve 51 on the outer surface of the threaded rod is driven to move downwards to the upper portion of a lower limiting block 31, the threaded pipe sleeve 51 moves downwards to drive a concave connecting block 52 to move downwards in a sliding groove 6, so that a concave display wall 2 connected with one side of the concave connecting block 52 reaches the upper portion of the lower limiting block 31, then a bolt 72 is opened, a hinged display window 7 is opened, a sealing rubber strip 71 is separated from a slot 21, the work content is displayed on the surface of the concave display wall 2 to close the display window, the bolt 72 is inserted and the speed reduction motor 4 is driven to rotate forwards, and the threaded pipe sleeve 51 drives the concave display wall;
secondly, through the attached drawings 1, 2 and 4, the surface of the student work display wall used by the teacher is cleaned in rainy days, rainwater is applied to the surface of the display glass 8, the type of the windshield wiper sensor 9 which is detected by the windshield wiper sensor 9 and is applied to the surface of the display glass 8 can refer to a Xinpa rainfall sensor of Shanghai Taitsu trade company Limited, so as to drive a servo motor 101 in a mounting box body 10, the cam rod 102 is driven by the servo motor 101 to rotate, thereby driving a linkage rod 103, a supporting rod 104 and a transmission rod 105 to swing with frequency left and right, a windshield wiper rod 108 which is connected with one side of the outer surface of the mounting box body 10 through a connecting shaft 107 is also swung left and right, thereby driving a rubber windshield wiper 12 which is attached to the surface of the display glass 8 to scrape the rainwater on the surface of the display glass, the scraped rainwater is discharged into a drain pipe 11, and a small LED lamp 73 can illuminate the concave display wall 2 behind the display glass 8, the shielding plate 33 primarily shields the concave display wall 2 from rainwater, and the solar cell panel 34 and the storage battery pack 35 ensure the electric power of the windshield wiper device and the lifting device, so that energy conservation and emission reduction are realized.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.