CN110689780A

CN110689780A - Tourism geography teaching accessory plate

Info

Publication number: CN110689780A
Application number: CN201911026525.1A
Authority: CN
Inventors: 徐宁; 张丽云; 栗志强; 蔡湛; 李田
Original assignee: Institute Of Geography Hebei Academy Of Sciences
Current assignee: Institute Of Geography Hebei Academy Of Sciences
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-01-14
Anticipated expiration: 2039-10-26
Also published as: CN110689780B

Abstract

The invention discloses a tourist geography teaching auxiliary board which comprises a fixing device, wherein a display screen is arranged in the fixing device; the ink on the PET coiled material plate is removed through the wiping device, so that the ink on the PET coiled material plate can be completely removed, the teaching quality is increased, meanwhile, water sprayed by the flushing device can be sprayed on the arc-shaped sponge block to automatically spray the arc-shaped sponge block without manual cleaning by a teacher, so that the burden of the teacher is reduced, ink cannot be accumulated on the arc-shaped sponge block, the ink is prevented from being adhered to the surface of the PET coiled material plate again, the effect of removing the ink is further improved, through drive arrangement and water trap's cooperation, make water trap can erase the water stain on PET coiled sheet surface, avoid water stain influence the teacher of giving lessons to write characters and draw the picture, easy operation is convenient, labour saving and time saving erases fastly, has increased the utilization ratio of classroom time, has improved the practicality of this tourist geography teaching accessory plate.

Description

Tourism geography teaching accessory plate

Technical Field

The invention relates to the field of teaching aids, in particular to a tour and geography teaching auxiliary board.

Background

Tourist geography is the subject of studying the relation between human tourist tourism and geographic environment, also called as amusement geography, which refers to tourist, and entertainment geography rules include entertainment, which is a generalized tourist geography, both of which are branches of humanistic geography, the tourist geography is closely related to many branches of geography, and also permeates sociology, folk-custom, archaeology, history, architecture, gardens and economics, in the course of teaching tourist geography major, in order to better show the taught contents, teachers usually use auxiliary board for auxiliary teaching, through which teaching contents can be better shown, students can receive and understand teaching contents more deeply and quickly, the existing auxiliary board for tourist geography is usually fixed on the wall, and mainly uses writing board, The blackboard comprises a display screen and the like, wherein the writing board is used for assisting teaching, the display screen is used for displaying teaching contents, the writing board is divided into a blackboard and a whiteboard, the blackboard needs to use chalk for writing characters and drawing pictures, and a large amount of powder is generated in the process of using the chalk for writing characters and drawing pictures, so that the environment is polluted, and the health of teachers and students is injured; the whiteboard generally uses the water-based pen to write characters and draw pictures, and the process of writing characters and drawing pictures by using the water-based pen generates no dust absolutely, is environment-friendly and pollution-free, and makes the tourism geography teaching auxiliary board formed by the whiteboard more and more used for the reasons.

However, in the actual use process of the existing tourist geography teaching auxiliary board composed of a white board, a teacher needs to frequently hold the white board eraser with a hand to be wetted and erase characters and pictures on the white board by using a wet white board eraser, after the characters and the pictures are erased, the dry white board eraser needs to be used for wiping the water stains on the white board, so that character writing and picture drawing are continuously performed, the operation process is complex, time and labor are wasted, the erasing speed is slow, the utilization rate of classroom time is reduced, meanwhile, erased ink is adhered to the wet white board eraser and gradually accumulated, the erasing effect of the wet white board eraser is gradually reduced, the erasing is not clean, the teaching quality is reduced, the white board eraser needs to be frequently cleaned, time and labor are wasted, the burden of the teacher is increased, and therefore, a tourist geography teaching auxiliary board needs to be designed urgently.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems that in the prior art, the prior tour geography teaching auxiliary board consisting of a white board needs to be frequently held by a teacher to dip water and erase characters and pictures on the white board by using a wet white board eraser, and after the characters and the pictures are erased, the water stains on the white board need to be erased by using a dry white board eraser so as to be convenient for continuously writing the characters and drawing the pictures, the operation process is complicated, time and labor are wasted, the erasing speed is slow, the utilization rate of classroom time is reduced, meanwhile, the erased ink is adhered to the wet white board eraser and gradually accumulated, so that the erasing effect of the wet white board eraser is gradually reduced, the erasing is not clean, the teaching quality is reduced, the white board eraser needs to be frequently cleaned, time and labor are wasted, and the burden of the teacher is increased, the invention aims to provide the tour geography teaching auxiliary board, it can solve the problems in the background art well.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a tourist geography teaching accessory plate, includes fixing device, fixing device's inside is equipped with the show screen.

Preferably, fixing device is including fixed case, the inner wall fixedly connected with baffle of fixed case, and the left side of baffle is formed with holds the chamber, and the inside that holds the chamber is equipped with strutting arrangement, and the rectangular hole that holds chamber looks adaptation is seted up in the front of fixed case, and the right side of baffle is formed with the embedding chamber, and the show screen is fixed to be inlayed and is being inlayed in the inside of embedding chamber, and the show hole that with embedding chamber looks adaptation is seted up in the front of fixed case.

Preferably, strutting arrangement includes backup pad and guide roll, and fixed the grafting has the dead lever in the backup pad, and the both ends of dead lever are connected with the inner wall and the baffle of fixed case respectively, and positioning gear has been cup jointed in the outside activity of dead lever, and the top of backup pad left surface is connected with the cotton piece of buffering, and the both ends of guide roll are connected with the inner wall and the baffle of fixed case respectively, and the left side from the bottom up of backup pad is equipped with drive arrangement, purifier, wiping arrangement, water trap in proper order.

Preferably, the driving device comprises a rotating shaft and a rotating rod, two ends of the rotating shaft are respectively movably sleeved with the inner wall of the fixed box and the partition plate, a recovery roller is fixedly sleeved outside the rotating shaft, a clockwork spring is movably sleeved outside the rotating shaft, one end of the clockwork spring is connected with the outer surface of the rotating shaft, and the other end of the clockwork spring is connected with the purifying device; two ends of the rotary rod are respectively movably sleeved with the inner wall of the fixed box and the partition board, a wind-up roll and two wind-up rolls are fixedly sleeved outside the rotary rod, the two wind-up rolls are respectively positioned at the front end and the rear end of the rotary rod, a PET coiled material plate is wound outside the wind-up roll, the end part of the PET coiled material plate is fixedly connected with the wind-up roll, a positioning tooth hole is arranged on the PET coiled material plate and is meshed with a positioning gear, the other end of the PET coiled material plate bypasses the buffering cotton block, the guide roll and the support plate and is wound outside the recovery roll, the other end part of the PET coiled material plate is fixedly connected with the recovery roll, the surface of the PET coiled material plate and the buffering cotton block, the surface contact of backup pad is connected, and the outside winding of the take-up pulley of rotary rod front end has the line that leads, and the other end that leads the line passes transmission, water trap and extends to the outside of fixed case and is connected with the pull ring, and the drive belt has been cup jointed to the outside of the take-up pulley of rotary rod rear end.

Preferably, purifier includes the water purification case, the fixed interlude has the drinking-water pipe on the top surface of water purification case, the top surface of water purification case is equipped with transmission and washing unit, the right flank of water purification case is connected with the sewage case, the bottom surface of sewage case is connected with the one end of clockwork spring, the fixed interlude of right flank of water purification case has communicating pipe, the other end of communicating pipe is fixed to be inserted on the left surface of sewage case, the inside of communicating pipe is inlayed and is equipped with the pellicle, the right flank of sewage case is equipped with the arc recess, arc recess and positioning gear looks adaptation, the front of water purification case and sewage case all communicates there is the pipeline, the front end of pipeline extends to the outside of fixed case and is equipped with the.

Preferably, the transmission device comprises a transmission rod and a driving rod, the bottom end of the transmission rod is movably sleeved on the top surface of the water purification tank, a small bevel gear is fixedly sleeved outside the transmission rod, and a winding wheel is fixedly sleeved at the top end of the transmission rod; the one end of actuating lever cup joints with the inner wall activity that holds the chamber, and the outside fixed drive wheel that has cup jointed of actuating lever, and the quantity of drive wheel is two, and the winding of acting as go-between is in the outside of a drive wheel, and the other pot head of drive belt is established in the outside of another drive wheel, and the end fixing of actuating lever has cup jointed large-size bevel gear, large-size bevel gear and the meshing of small-size bevel gear.

Preferably, the flushing device comprises a fixed plate, the bottom end of the fixed plate is fixedly connected with the top surface of the purified water tank, the top of the fixed plate is fixedly connected with a fixed cylinder, a water outlet check valve is fixedly inserted into the left end surface of the fixed cylinder, the other end of the water outlet check valve is communicated with a water outlet pipe, the other end of the water outlet pipe is communicated with a buffer tank, the buffer tank is fixedly connected with the inner wall of the fixed tank, the side surface of the buffer tank is communicated with a nozzle, a water inlet check valve is fixedly inserted into the left end of the bottom surface of the fixed cylinder, the bottom end of the water inlet check valve is communicated with the top end of a water pumping pipe, the right side surface of an inner cavity of the fixed cylinder is connected with a piston through a reset spring in a transmission manner, the piston is connected with the inner wall of the fixed cylinder in a sliding manner, the right side surface of the piston is connected with a transmission line, the other end of the, the other of the drive lines is wound counterclockwise on the outside of the corresponding reel.

Preferably, the wiping arrangement includes the semicircle ring rail, the orbital both ends of semicircle ring all with the inner wall fixed connection of fixed case, force spring and straight board have been cup jointed in orbital outside activity of semicircle ring, force spring's one end and the inner wall fixed connection of fixed case, force spring's the other end and straight board fixed connection, the one end of straight board and the inner wall swing joint of fixed case, the other end of straight board is connected with the arc, the internal surface of arc has the arc sponge piece, the internal surface of arc sponge piece and the surface sliding connection of PET coiled sheet.

Preferably, water trap includes the fixed axle, and the both ends of fixed axle are connected with the inner wall and the baffle of fixed case respectively, and the L template has been cup jointed in the outside activity of fixed axle, and the right flank of L template is connected with the waterlogging caused by excessive rainfall sponge, and the surface sliding connection of waterlogging caused by excessive rainfall sponge and PET coiled material board, the bottom surface of L template is connected with the atress wheel, and the tractive line is walked around from the outside of atress wheel, and the left end of L template top surface is connected with tension spring, and tension spring's the other end is connected with the top surface of.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the PET coiled material plate is supported by the supporting device, the PET coiled material plate can be stably paved on the surface of the supporting plate, a teacher giving lessons can write characters and draw pictures on the surface of the PET coiled material plate, the PET coiled material plate can move between the recovery roller and the winding roller by the driving device, the transmission device and the flushing device, the purified water in the purifying device can be sprayed to the surface of the PET coiled material plate and flush the characters and the pictures on the PET coiled material plate by the driving device, the ink is flushed, the purpose of clearing the ink is realized, the flushed sewage is purified by the purifying device, the amount of the sewage is reduced, the purified water can be recycled, the water resource is saved, the ink on the PET coiled material plate is further cleared by the wiping device, the clearing effect is better, the ink on the PET coiled material plate can be completely removed, and the teaching quality is increased, washing unit spun water can drip wash on the arc sponge piece simultaneously, drip wash the arc sponge piece automatically, the manual washing of teacher's of giving lessons does not need, teacher's burden of giving lessons has been reduced, the ink can not accumulate on the arc sponge piece, avoid the ink to adhere once more on the surface of PET coiled material board, help further to increase the effect of cleaing away the ink, cooperation through drive arrangement and water trap, make water trap can erase the water stain on PET coiled material board surface, avoid water stain influence teacher's writing characters and drawing the picture of giving lessons, the operation is simple and convenient, time saving and labor saving, it is fast to erase, the utilization ratio of classroom time has been increased, the practicality of this tourist geography teaching auxiliary board has been improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present invention;

FIG. 3 is a left side view of the internal structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the purification apparatus of FIG. 3 according to the present invention;

FIG. 5 is a schematic structural view of the transmission of FIG. 3 in accordance with the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic view of the internal structure of the flushing device of FIG. 6 according to the present invention;

FIG. 8 is a schematic view of the wiping device of FIG. 3 according to the present invention;

FIG. 9 is a schematic view of the water removing apparatus shown in FIG. 3 according to the present invention;

fig. 10 is a left side view of fig. 2 of the present invention.

The reference numbers in the figures illustrate:

1. a fixing device; 11. a fixed box; 12. a partition plate; 13. an accommodating chamber; 14. a rectangular hole; 15. embedding a cavity; 16. a display aperture; 2. a display screen; 3. a support device; 31. a support plate; 32. fixing the rod; 33. positioning a gear; 34. a cushion cotton block; 35. a guide roller; 4. a drive device; 40. a pull ring; 400. a transmission belt; 41. a rotating shaft; 42. a recovery roller; 43. a clockwork spring; 44. rotating the rod; 45. a wind-up roll; 46. a PET coil plate; 47. positioning a tooth hole; 48. a take-up pulley; 49. a pulling wire; 5. a purification device; 51. a water purifying tank; 52. a water pumping pipe; 53. a sewage tank; 54. a communicating pipe; 55. a semi-permeable membrane; 56. an arc-shaped groove; 57. a pipeline; 58. a control valve; 6. a transmission device; 60. a transmission rod; 61. a small bevel gear; 62. a reel; 63. a drive rod; 64. a drive wheel; 65. a large bevel gear; 7. a flushing device; 70. a fixing plate; 71. a fixed cylinder; 72. a water outlet one-way valve; 73. a water outlet pipe; 74. a buffer tank; 75. a nozzle; 76. a water inlet one-way valve; 77. a return spring; 78. a piston; 79. a drive line; 8. a wiping device; 81. a semicircular ring track; 82. a force application spring; 83. a straight plate; 84. an arc-shaped plate; 85. an arc sponge block; 9. a water removal device; 91. a fixed shaft; 92. an L-shaped plate; 93. draining sponge; 94. a stress wheel; 95. a tension spring.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

Referring to fig. 1-10, an auxiliary board for tourist geography teaching comprises a fixing device 1, and a display screen 2 is disposed inside the fixing device 1.

Fixing device 1 includes fixed case 11, the inner wall fixedly connected with baffle 12 of fixed case 11, the left side of baffle 12 is formed with and holds chamber 13, the inside that holds chamber 13 is equipped with strutting arrangement 3, the front of fixed case 11 is seted up and is held the rectangular hole 14 of chamber 13 looks adaptation, the right side of baffle 12 is formed with inlays dress chamber 15, display screen 2 is fixed to be inlayed and is adorned in the inside of inlaying dress chamber 15, the front of fixed case 11 is seted up and is inlayed the show hole 16 of dress chamber 15 looks adaptation.

Strutting arrangement 3 includes backup pad 31 and guide roll 35, it has dead lever 32 to fix pegging graft on backup pad 31, the both ends of dead lever 32 are connected with the inner wall and the baffle 12 of fixed case 11 respectively, location gear 33 has been cup jointed in the outside activity of dead lever 32, the top of backup pad 31 left surface is connected with the cotton piece of buffering 34, the both ends of guide roll 35 are connected with the inner wall and the baffle 12 of fixed case 11 respectively, the left side from the bottom up of backup pad 31 is equipped with drive arrangement 4 in proper order, purifier 5, wiping arrangement 8, water trap 9.

The driving device 4 comprises a rotating shaft 41 and a rotating rod 44, two ends of the rotating shaft 41 are respectively movably sleeved with the inner wall of the fixed box 11 and the partition plate 12, a recovery roller 42 is fixedly sleeved outside the rotating shaft 41, a clockwork spring 43 is movably sleeved outside the rotating shaft 41, one end of the clockwork spring 43 is connected with the outer surface of the rotating shaft 41, and the other end of the clockwork spring 43 is connected with the purifying device 5; two ends of a rotating rod 44 are movably sleeved with the inner wall of the fixed box 11 and the partition plate 12 respectively, a winding roller 45 and two winding wheels 48 are fixedly sleeved outside the rotating rod 44, the number of the winding wheels 48 is two, the two winding wheels 48 are respectively positioned at the front end and the rear end of the rotating rod 44, a PET (polyethylene terephthalate) coiled material plate 46 is wound outside the winding roller 45, the end part of the PET coiled material plate 46 is fixedly connected with the winding roller 45, a positioning tooth hole 47 is formed in the PET coiled material plate 46, the positioning tooth hole 47 is meshed with the positioning gear 33, the other end of the PET coiled material plate 46 bypasses the buffer cotton block 34, the guide roller 35, the support plate 31 and is wound outside the recovery roller 42, the other end part of the PET coiled material plate 46 is fixedly connected with the recovery roller 42, the surface of the PET coiled material plate 46 is in contact connection with the surfaces of the buffer cotton block 34 and the support plate 31, a traction wire 49 is wound outside the winding wheel, The water removing device 9 extends to the outside of the fixed box 11 and is connected with a pull ring 40, and a transmission belt 400 is sleeved outside a take-up pulley 48 at the rear end of the rotating rod 44.

The purification device 5 comprises a purified water tank 51, a water pumping pipe 52 is fixedly inserted on the top surface of the purified water tank 51, a transmission device 6 and a flushing device 7 are arranged on the top surface of the purified water tank 51, a sewage tank 53 is connected to the right side surface of the purified water tank 51, the bottom surface of the sewage tank 53 is connected with one end of a clockwork spring 43, a communication pipe 54 is fixedly inserted on the right side surface of the purified water tank 51, the other end of the communication pipe 54 is fixedly inserted on the left side surface of the sewage tank 53, a semipermeable membrane 55 is embedded in the communication pipe 54, an arc-shaped groove 56 is arranged on the right side surface of the sewage tank 53, the arc-shaped groove 56 is matched with a positioning gear 33, pipelines 57 are respectively communicated on the front surfaces of the purified water tank 51 and the sewage tank 53, and the front.

The transmission device 6 comprises a transmission rod 60 and a driving rod 63, the bottom end of the transmission rod 60 is movably sleeved on the top surface of the water purification tank 51, a small bevel gear 61 is fixedly sleeved outside the transmission rod 60, and a reel 62 is fixedly sleeved at the top end of the transmission rod 60; one end of the driving rod 63 is movably sleeved with the inner wall of the accommodating cavity 13, the driving wheels 64 are fixedly sleeved outside the driving rod 63, the number of the driving wheels 64 is two, the pulling wire 49 is wound outside one driving wheel 64, the other end of the driving belt 400 is sleeved outside the other driving wheel 64, the large bevel gear 65 is fixedly sleeved at the end of the driving rod 63, and the large bevel gear 65 is meshed with the small bevel gear 61.

The flushing device 7 comprises a fixed plate 70, the bottom end of the fixed plate 70 is fixedly connected with the top surface of the purified water tank 51, the top of the fixed plate 70 is fixedly connected with a fixed cylinder 71, the left end surface of the fixed cylinder 71 is fixedly inserted with a water outlet check valve 72, the other end of the water outlet check valve 72 is communicated with a water outlet pipe 73, the other end of the water outlet pipe 73 is communicated with a buffer tank 74, the buffer tank 74 is fixedly connected with the inner wall of the fixed tank 11, the side surface of the buffer tank 74 is communicated with a nozzle 75, the left end of the bottom surface of the fixed cylinder 71 is fixedly inserted with a water inlet check valve 76, the bottom end of the water inlet check valve 76 is communicated with the top end of the water pumping pipe 52, the right side surface of the inner cavity of the fixed cylinder 71 is in transmission connection with a piston 78 through a reset spring 77, the piston 78 is in sliding connection with the inner wall of the fixed cylinder 71, the right side surface of the, the drive lines 79 and the reels 62 are each two in number, one drive line 79 being wound clockwise on the outside of the corresponding reel 62, and the other drive line 79 being wound counterclockwise on the outside of the corresponding reel 62.

Wiping arrangement 8 includes semicircle ring track 81, semicircle ring track 81's both ends all with the inner wall fixed connection of fixed box 11, force spring 82 and straight board 83 have been cup jointed in the outside activity of semicircle ring track 81, force spring 82's one end and fixed box 11's inner wall fixed connection, force spring 82's the other end and straight board 83 fixed connection, the one end of straight board 83 and fixed box 11's inner wall swing joint, the other end of straight board 83 is connected with arc 84, the internal surface of arc 84 is connected with arc sponge piece 85, the internal surface of arc sponge piece 85 and the surface sliding connection of PET coiled material board 46.

Dewatering device 9 includes fixed axle 91, the both ends of fixed axle 91 are connected with the inner wall and the baffle 12 of fixed case 11 respectively, L template 92 has been cup jointed in the outside activity of fixed axle 91, L template 92's right flank is connected with waterlogging caused by excessive rainfall sponge 93, the surface sliding connection of waterlogging caused by excessive rainfall sponge 93 and PET coiled material board 46, L template 92's bottom surface is connected with atress wheel 94, guy wire 49 walks around from the outside of atress wheel 94, the left end of L template 92 top surface is connected with tension spring 95, tension spring 95's the other end is connected with the top surface of fixed case 11 inner chamber.

The working principle is as follows:

firstly pulling the pull ring 40, pulling the pulling wire 49 by the pull ring 40, wherein the pulling wire 49 firstly provides a downward pulling force for the left end of the L-shaped plate 92 through the stress wheel 94, then the L-shaped plate 92 rotates anticlockwise by taking the fixed shaft 91 as a central shaft under the action of the pulling force, simultaneously the draining sponge 93 rotates anticlockwise along with the L-shaped plate 92 until the top end of the L-shaped plate 92 is contacted with the tension spring 95, then the tension spring 95 limits the L-shaped plate 92 to fix the L-shaped plate 92, at the moment, the draining sponge 93 is completely separated from the PET coiled material plate 46, the stress wheel 94 becomes an acting point, then the pulling wire 49 is released from the outside of the take-up wheel 48 to rotate the take-up wheel 48, then the take-up wheel 48 drives the take-up roller 45 to rotate through the rotating rod 44, then the PET coiled material plate 46 winds to the outside of the take-up roller 45, then the straight plate 83 drives the arc-shaped sponge block, the inner surface of the arc-shaped sponge block 85 is attached to the outer surface of the PET coil plate 46, then the PET coil plate 46 slides relative to the arc-shaped sponge block 85, the arc-shaped sponge block 85 erases ink on the surface of the PET coil plate 46, meanwhile, the PET coil plate 46 is released from the outside of the recovery roller 42, the recovery roller 42 rotates, the recovery roller 42 applies work to the clockwork spring 43 through the rotating shaft 41, the elastic potential energy of the clockwork spring 43 is increased until the PET coil plate 46 is completely released from the outside of the recovery roller 42, at the moment, the area, originally provided with characters and pictures, on the surface of the PET coil plate 46 is completely wound outside the winding roller 45, the pull ring 40 moves to the maximum displacement value, in the process, the pull wire 49 drives the corresponding driving wheel 64 to rotate, the driving wheel 64 drives the large-size bevel gear 65 to rotate through the driving rod 63, the large-size bevel gear 65 drives the driving rod 60 to rotate through the, then the transmission line 79 winds to the outside of the reel 62, the transmission line 79 pulls the piston 78, the piston 78 is far away from the water outlet check valve 72 and applies work to the return spring 77, air negative pressure is formed in the space between the piston 78 and the water outlet check valve 72, the elastic potential energy of the return spring 77 is increased, then the purified water in the purified water tank 51 enters the fixed cylinder 71 through the water suction pipe 52 and the water inlet check valve 76 under the action of pressure difference, the liquid level in the purified water tank 51 is lowered, air negative pressure is formed in the purified water tank 51, meanwhile, the take-up pulley 48 at the rear end of the rotating rod 44 drives the corresponding driving wheel 64 to rotate through the transmission belt 400, the driving wheel 64 drives the large-size bevel gear 65 to rotate through the driving rod 63, the large-size bevel gear 65 drives the transmission rod 60 to rotate through the meshing action of the large-size bevel gear 65 and the small-size bevel gear 61, the transmission rod 60 drives the, then the piston 78 is close to the water outlet one-way valve 72 under the action of the elastic force of the return spring 77 to press the clean water in the fixed cylinder 71, then the clean water enters the buffer tank 74 through the water outlet one-way valve 72 and the water outlet pipe 73 and is sprayed to the surface of the PET coiled sheet 46 from the nozzle 75 to flush the ink on the surface of the PET coiled sheet 46, the flushed water is flushed outside the arc-shaped sponge block 85 to clean the arc-shaped sponge block 85, then the sewage falls into the interior of the sewage tank 53 under the guiding action of the arc-shaped sponge block 85, then the water in the sewage passes through the semi-permeable membrane 55 to enter the clean water tank 51 under the driving of the pressure difference between the interiors of the clean water tank 51 and the sewage tank 53 to enable the clean water to be recycled, then the pull ring 40 is released, then the L-shaped plate 92 rotates clockwise under the action of the tension spring 95 until the water 93 is contacted with the surface of the PET coiled sheet 46, then the recovery roller 42 rotates reversely, then the PET coiled material plate 46 is wound to the outside of the recovery roller 42 and released from the outside of the winding roller 45, the winding roller 45 rotates reversely, then the winding roller 45 drives the winding wheel 48 to rotate reversely through the rotating rod 44, then the pulling wire 49 is wound to the outside of the winding wheel 48, then the pulling wire 49 drives the corresponding washing device 7 to operate through the transmission device 6, then the nozzle 75 flushes water to the surface of the PET coiled material plate 46 to wash the PET coiled material plate 46 and the arc-shaped sponge block 85 for the second time, meanwhile, the driving belt 400 drives the other washing device 7 to suck water through the other transmission device 6, then the PET coiled material plate 46 moves relative to the draining sponge 93, the draining sponge 93 wipes off water stains on the surface of the PET coiled material plate 46, the wiped water stains drop on the top surface of the straight plate 83 along the draining sponge 93 and flow back to the inside of the sewage tank 53 along the straight plate 83, the arc-shaped plate 84 and the arc-shaped sponge, until the tab 40 comes into contact with the surface of the stationary box 11.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a tourist geography teaching accessory plate, includes fixing device (1), its characterized in that: a display screen (2) is arranged inside the fixing device (1).

2. A tourist geographical teaching aid board according to claim 1, wherein: fixing device (1) is including fixed case (11), inner wall fixedly connected with baffle (12) of fixed case (11), the left side of baffle (12) is formed with and holds chamber (13), the inside that holds chamber (13) is equipped with strutting arrangement (3), rectangular hole (14) with holding chamber (13) looks adaptation are seted up in the front of fixed case (11), the right side of baffle (12) is formed with inlays dress chamber (15), show screen (2) are fixed to be inlayed and are adorned in the inside of inlaying dress chamber (15), show hole (16) with inlaying dress chamber (15) looks adaptation are seted up in the front of fixed case (11).

3. A tourist geographical teaching aid according to claim 2, wherein: strutting arrangement (3) are including backup pad (31) and guide roll (35), fixed grafting has dead lever (32) in backup pad (31), the both ends of dead lever (32) are connected with inner wall and baffle (12) of fixed case (11) respectively, location gear (33) have been cup jointed in the outside activity of dead lever (32), the top of backup pad (31) left surface is connected with cotton piece of buffering (34), the both ends of guide roll (35) are connected with inner wall and baffle (12) of fixed case (11) respectively, the left side from the bottom up of backup pad (31) is equipped with drive arrangement (4) in proper order, purifier (5), wiping arrangement (8), dewatering device (9).

4. A tourist geographical teaching aid board according to claim 3, wherein: the driving device (4) comprises a rotating shaft (41) and a rotating rod (44), two ends of the rotating shaft (41) are movably sleeved with the inner wall of the fixed box (11) and the partition plate (12) respectively, a recovery roller (42) is fixedly sleeved outside the rotating shaft (41), a clockwork spring (43) is movably sleeved outside the rotating shaft (41), one end of the clockwork spring (43) is connected with the outer surface of the rotating shaft (41), and the other end of the clockwork spring (43) is connected with the purifying device (5); the both ends of rotary rod (44) are cup jointed with the inner wall of fixed case (11) and baffle (12) activity respectively, wind-up roll (45) and take-up pulley (48) have been cup jointed to the outside of rotary rod (44) is fixed, the quantity of take-up pulley (48) is two, two take-up pulleys (48) are located the front and back both ends of rotary rod (44) respectively, the outside winding of wind-up roll (45) has PET roll board (46), the tip and wind-up roll (45) fixed connection of PET roll board (46), location pick hole (47) have been seted up on PET roll board (46), location pick hole (47) and positioning gear (33) meshing, buffering cotton piece (34) are walked around to the other end of PET roll board (46), guide roll (35), backup pad (31) and winding are in the outside of resuming roller (42), another tip and resuming roller (42) fixed connection of PET roll board (46), the surface and buffering cotton piece (34) of PET roll board (46), The surface contact of backup pad (31) is connected, and the outside winding of take-up pulley (48) of rotary rod (44) front end has pull lead (49), and the other end of pull lead (49) passes transmission (6), water trap (9) and extends to the outside of fixed box (11) and is connected with pull ring (40), and drive belt (400) have been cup jointed to the outside of take-up pulley (48) of rotary rod (44) rear end.

5. A tourist geographical teaching aid board according to claim 3, wherein: purifier (5) are including water purification case (51), fixed interlude has drinking-water pipe (52) on the top surface of water purification case (51), the top surface of water purification case (51) is equipped with transmission (6) and washing unit (7), the right flank of water purification case (51) is connected with foul water tank (53), the bottom surface and the one end of clockwork spring (43) of foul water tank (53) are connected, the fixed interlude of right flank of water purification case (51) has communicating pipe (54), the other end of communicating pipe (54) is fixed to be interlude on the left surface of foul water tank (53), the inside of communicating pipe (54) is inlayed and is equipped with pellicle (55), the right flank of foul water tank (53) is equipped with arc recess (56), arc recess (56) and positioning gear (33) looks adaptation, the front of water purification case (51) and foul water tank (53) all communicates there is pipeline (57), the front end of pipeline (57) extends to the outside of fixed case (11) and is equipped with control valve (.

6. A tourist geographical teaching aid board according to claim 5, wherein: the transmission device (6) comprises a transmission rod (60) and a driving rod (63), the bottom end of the transmission rod (60) is movably sleeved on the top surface of the water purification tank (51), a small bevel gear (61) is fixedly sleeved outside the transmission rod (60), and a winding wheel (62) is fixedly sleeved at the top end of the transmission rod (60); the one end of actuating lever (63) cup joints with the inner wall activity that holds chamber (13), the outside fixed drive wheel (64) of having cup jointed of actuating lever (63), the quantity of drive wheel (64) is two, the outside at a drive wheel (64) of winding of guy wire (49), the other pot head of drive belt (400) is established in the outside of another drive wheel (64), the end fixing of actuating lever (63) has cup jointed large-size bevel gear (65), large-size bevel gear (65) and small-size bevel gear (61) meshing.

7. A tourist geographical teaching aid board according to claim 5, wherein: the flushing device (7) comprises a fixing plate (70), the bottom end of the fixing plate (70) is fixedly connected with the top surface of a purified water tank (51), the top of the fixing plate (70) is fixedly connected with a fixing cylinder (71), a water outlet one-way valve (72) is fixedly inserted into the left end surface of the fixing cylinder (71), the other end of the water outlet one-way valve (72) is communicated with a water outlet pipe (73), the other end of the water outlet pipe (73) is communicated with a buffer tank (74), the buffer tank (74) is fixedly connected with the inner wall of a fixing tank (11), the side surface of the buffer tank (74) is communicated with a nozzle (75), a water inlet one-way valve (76) is fixedly inserted into the left end of the bottom surface of the fixing cylinder (71), the bottom end of the water inlet one-way valve (76) is communicated with the top end of a water pumping pipe (52), the right side surface of the inner cavity of the fixing cylinder (71) is in transmission connection with a piston (78) through, a transmission line (79) is connected to the right side surface of the piston (78), and the other end of the transmission line (79) extends to the outside of the fixed cylinder (71) and is wound on the outside of the reel (62).

8. A tourist geographical teaching aid board according to claim 3, wherein: wiping arrangement (8) include semicircle ring track (81), the both ends of semicircle ring track (81) all with the inner wall fixed connection of fixed case (11), application of force spring (82) and straight board (83) have been cup jointed in the outside activity of semicircle ring track (81), the one end of application of force spring (82) and the inner wall fixed connection of fixed case (11), the other end and straight board (83) fixed connection of application of force spring (82), the one end of straight board (83) and the inner wall swing joint of fixed case (11), the other end of straight board (83) is connected with arc (84), the internal surface connection of arc (84) has arc sponge piece (85), the internal surface of arc sponge piece (85) and the surface sliding connection of PET book material board (46).

9. A tourist geographical teaching aid board according to claim 3, wherein: dewatering device (9) are including fixed axle (91), the both ends of fixed axle (91) are connected with inner wall and baffle (12) of fixed case (11) respectively, L template (92) have been cup jointed in the outside activity of fixed axle (91), the right flank of L template (92) is connected with waterlogging caused by excessive rainfall sponge (93), surface sliding connection of waterlogging caused by excessive rainfall sponge (93) and PET coil stock board (46), the bottom surface of L template (92) is connected with atress wheel (94), the outside of atress wheel (95) is walked around from to tractive line (49), the left end of L template (92) top surface is connected with tension spring (95), the other end and the top surface of fixed case (11) inner chamber of tension spring (95) are connected.