CN113706991B

CN113706991B - Teaching and training device for automobile induction windscreen wiper

Info

Publication number: CN113706991B
Application number: CN202111064606.8A
Authority: CN
Inventors: 崔家湘; 张永伟; 封官卫
Original assignee: Beijing Zhiyang Northern International Education Technology Co Ltd
Current assignee: Beijing Zhiyang Northern International Education Technology Co Ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-12-23
Anticipated expiration: 2041-09-11
Also published as: CN113706991A

Abstract

The invention discloses a teaching and practical training device for an automobile induction windscreen wiper, which comprises a storage box body and movable rollers fixedly arranged on the periphery of the bottom of the storage box body, wherein a lifting object placing table is movably arranged in the storage box body, an unfolding storage mechanism is arranged at the bottom of the lifting object placing table, a teaching display board is arranged at the rear end of the lifting object placing table, and an induction windscreen wiper mechanism and a demonstration simulation mechanism are respectively arranged on the teaching display board. The invention has the advantages that the lifting object placing table and the teaching display board can be automatically unfolded and stored through the unfolding and storing mechanism positioned at the bottom of the lifting object placing table, the teaching display is convenient to go out, the protection function on the front windshield of the automobile is achieved, the sensing windscreen wiper mechanism and the demonstration simulation mechanism can demonstrate the working state of the automobile sensing windscreen wiper in rainy days under multiple working conditions, students can intuitively know the principle of the sensing windscreen wiper, and the teaching training effect is improved.

Description

Teaching and training device for automobile induction windscreen wiper

Technical Field

The invention relates to the field of automobile teaching aids, in particular to a teaching and practical training device for an automobile induction windscreen wiper.

Background

The automobile teaching aid is an automobile teaching article for teaching various automobile majors, and the teaching quality of schools, the teaching interest of students and the like can be improved by using automobile teaching aid teaching. The automobile teaching aid comprises a whole automobile device, a sub-module device, a teaching rack and a detection device.

The automobile induction windscreen wiper can induce the size of raindrops through the rainfall sensor, automatically adjust the running speed of the windscreen wiper, provide a good visual field for a driver, and accordingly greatly improve the convenience and safety of driving in rainy days. Real standard equipment is less in the real teaching of relevant car response wiper on the existing market, and car response wiper assembly when teaching, can't directly perceivedly let the student know the principle of response wiper, and response wiper assembly teaching aid does not possess safeguard function, takes place easily to damage, inconvenient teaching show of going out.

Disclosure of Invention

Aiming at the defects, the invention provides a teaching and practical training device for an automobile induction windscreen wiper, which aims to solve the teaching and practical training problem of the automobile induction windscreen wiper.

In order to achieve the purpose, the invention adopts the following technical scheme:

a teaching and practical training device for an automobile induction windscreen wiper comprises a storage box body and movable rollers fixedly mounted on the periphery of the bottom of the storage box body, wherein a lifting object placing table is movably mounted in the storage box body, an unfolding storage mechanism is arranged at the bottom of the lifting object placing table, a teaching display board is mounted at the rear end of the lifting object placing table, and an induction windscreen wiper mechanism and a demonstration simulation mechanism are respectively arranged on the teaching display board;

the unfolding containing mechanism comprises a driving motor, a driving shaft, a sliding sleeve, a first driving gear, a group of unfolding driving shafts, a first driven gear, a group of sector teeth, a group of unfolding driven shafts, a group of sliding box covers, two groups of hinged rods, a second driving gear, a lifting driving shaft, a second driven gear, a lifting driven shaft, a group of transmission gears, two groups of swinging rods, two groups of fixed sleeves and two groups of sliding rods, wherein the driving motor is horizontally arranged on one side of the front surface of the containing box, the driving shaft is arranged on the rotating end of the driving motor, the sliding sleeve is movably sleeved on the driving shaft, the first driving gear is arranged on the rear end of the sliding sleeve, the group of unfolding driving shafts are respectively and movably inserted on two sides in the containing box, the rear ends of the unfolding driving shafts extend out of the containing box, the first driven gear is arranged on the front end of one of the unfolding driving shaft, the group of sector teeth are respectively arranged on the rear ends of the group of the unfolding driving shafts and are mutually meshed, the group of unfolding driven shafts are respectively and are respectively arranged on one side of the front end of the containing box, the lifting driven shaft and the group of the lifting driven shaft, the lifting driven shaft is respectively arranged on one side of the containing box, two groups of fixed sleeves are vertically arranged at two sides in the containing box body, the bottoms of two groups of sliding rods are movably inserted in the two groups of fixed sleeves, and the upper ends of the two groups of sliding rods are connected with the lifting object placing table;

the induction wiper mechanism comprises a liquid storage tank, a liquid filling opening, a washing pump, a cleaning hose, a three-way joint, a group of nozzles, a fixing rod, a motor, a crank, a first rocker arm, a first wiper, a second rocker arm, a second wiper, a connecting rod, automobile front windshield glass and a rainfall sensor, wherein the liquid storage tank is arranged at the rear end of the upper surface of a lifting object placing table, the liquid filling opening is formed in one side of the upper surface of the liquid storage tank, the washing pump is arranged in one side of the bottom of the liquid storage tank, the cleaning hose is inserted into the liquid outlet end of the washing pump, the three-way joint is arranged on the cleaning hose, the group of nozzles are respectively arranged at the front end of the cleaning hose and are fixed at the bottom of the front surface of a teaching display board, the automobile front windshield is mounted at the center of the front surface of the teaching display board, and the rainfall sensor is mounted at the rear end of the top of the automobile front windshield;

the demonstration simulation mechanism comprises a water storage tank, a backflow tank, an impurity filter screen, a water suction pump, a water outlet pipeline, a spraying mounting plate, a first stepping motor, a transmission frame, two groups of strip-shaped sliding chutes, two groups of sliding racks, two groups of transmission rods, two groups of hinged fixing seats, two groups of incomplete gears, two groups of spray heads, a second stepping motor, a rotating screw rod, an adjusting screw, a fixed round rod, a sliding shaft sleeve and a shielding plate, wherein the water storage tank is arranged in a lifting object placing table, the backflow tank is arranged on the upper surface of the lifting object placing table and communicated with the water storage tank, the impurity filter screen is vertically arranged in the water storage tank, the water suction pump is arranged at one end of the water storage tank, the water outlet pipeline is inserted at the water outlet end of the water suction pump, the spraying mounting plate is arranged at the upper end of the front surface of a teaching display plate, the first stepping motor is horizontally arranged at the rear end of the bottom of the spraying mounting plate, the transmission frame is arranged at the rotating end of the first stepping motor, two groups of strip-shaped chutes are respectively arranged at the bottom of the spraying mounting plate, two groups of sliding racks are respectively arranged on the two groups of strip-shaped chutes in a sliding way, one ends of two groups of transmission rods are respectively movably hinged with the transmission frame, the other ends of the two groups of transmission rods are movably hinged with the rear end of the sliding rack, two groups of hinged fixing seats are fixedly arranged at the bottom of the spraying mounting plate and are respectively positioned at two sides of the two groups of strip-shaped chutes, two groups of incomplete gears are respectively and movably arranged in the two groups of hinged fixing seats, the tops of the incomplete gears are respectively meshed with the two groups of sliding racks, two groups of spray heads are respectively arranged at the bottoms of the two groups of incomplete gears, a second stepping motor is horizontally arranged at the upper end of the front surface of the teaching display plate and is positioned below the spraying mounting plate, a rotary screw rod is arranged at the second rotary end of the stepping motor, an adjusting screw is arranged at the upper end of the front surface of the teaching display plate, and is located the rotation lead screw below, slip axle sleeve activity suit is on fixed round bar, and the upper end is connected with adjusting the screw, the shielding plate is installed in slip axle sleeve bottom.

Furthermore, a group of strip-shaped sliding strips matched with the sliding sleeve are arranged on two sides of the driving shaft.

Furthermore, install horizontal mounting panel on the storage box body front surface, install the adjustment motor on the horizontal mounting panel, the rotatory end activity cartridge of adjustment motor is in horizontal mounting panel, and the regulation pole is installed to the rotatory end of adjustment motor, sliding sleeve center department installs the circular dish, and the regulation pole front end passes through cutting ferrule movable sleeve and on the circular dish.

Furthermore, a rectangular through hole is formed in the front end of the oscillating rod, a hanging ring is mounted at the bottom of the sliding rod, and the hanging ring is movably hung in the rectangular through hole in the front end of the oscillating rod.

Further, strip-shaped holes are formed in two sides of the fixing sleeve.

Furthermore, a flow regulating valve is arranged on the spray head, and the spray head is communicated with the water outlet pipeline through a connecting hose

Furthermore, a transparent area, a semi-transparent area and an opaque area are respectively arranged on the shielding plate.

Furthermore, a cleaning port communicated with the water storage tank is formed in the bottom of the lifting object placing table, and a cleaning control valve is installed at the cleaning port.

Furthermore, wiper control circuit show district is installed to teaching show board front surface one side, and combination switch, ignition switch and pilot lamp are installed respectively to the front surface opposite side.

The invention provides a teaching and practical training device for an automobile induction windscreen wiper, which has the following beneficial effects that the lifting object placing table and a teaching display board can be automatically unfolded and stored through an unfolding and storing mechanism positioned at the bottom of the lifting object placing table, the teaching and displaying are convenient to go out, a protective function is achieved on the front windscreen of an automobile, the working state of the automobile induction windscreen wiper in rainy days can be demonstrated under multiple working conditions through an induction windscreen wiper mechanism and a demonstration simulation mechanism, students can intuitively know the principle of the induction windscreen wiper, and the teaching and practical training effect is improved.

Drawings

Fig. 1 is a schematic diagram of a teaching and practical training device for an automobile induction wiper.

Fig. 2 is a schematic view of the sliding box cover of the present invention closed.

Fig. 3 is a schematic view illustrating the ascending of the elevating platform according to the present invention.

Fig. 4 is a schematic view illustrating the descending of the lifting and placing table of the present invention.

Fig. 5 is a schematic view of the engagement between the first driving gear and the first driven gear according to the present invention.

FIG. 6 is a schematic diagram of the engagement between the second driving gear and the second driven gear according to the present invention.

Fig. 7 is a schematic diagram of the transmission between the lifting driving shaft and the lifting driven shaft according to the present invention.

FIG. 8 is a schematic view of a strip aperture according to the present invention.

Fig. 9 is a schematic view of the sliding sleeve adjustment of the present invention.

Fig. 10 is an enlarged view of the lifting object placing table and the teaching demonstration board of the invention.

FIG. 11 is a schematic view of the washing of the front windshield of the automobile according to the present invention.

Fig. 12 is a schematic view of a first wiper blade and a second wiper blade according to the present invention.

Fig. 13 is a bottom view of the spray mounting plate of the present invention.

Fig. 14 is a schematic view of the showerhead of the present invention installed.

FIG. 15 is a schematic view of the shutter adjustment of the present invention.

In the figure: 1. a storage box body; 2. moving the roller; 3. lifting the object placing table; 4. a teaching display board; 5. a drive motor; 6. a drive shaft; 7. a sliding sleeve; 8. a first driving gear; 9. deploying the drive shaft; 10. a first driven gear; 11. sector-shaped teeth; 12. unfolding the driven shaft; 13. sliding the box cover; 14. a hinged lever; 15. a second driving gear; 16. a lifting drive shaft; 17. a driven gear II; 18. lifting the driven shaft; 19. a transmission gear; 20. a swing lever; 21. fixing the sleeve; 22. a slide bar; 23. a liquid storage tank; 24. a liquid filling port; 25. a washing pump; 26. cleaning the hose; 27. a three-way joint; 28. a nozzle; 29. fixing the rod; 30. an electric motor; 31. a crank; 32. a first rocker arm; 33. a first wiper blade; 34. a second rocker arm; 35. a second wiper blade; 36. a connecting rod; 37. an automotive front windshield; 38. a rainfall sensor; 39. a water storage tank; 40. a reflux tank; 41. an impurity filter screen; 42. a water pump; 43. a water outlet pipeline; 44. spraying the mounting plate; 45. a first stepping motor; 46. a transmission frame; 47. a strip-shaped chute; 48. a sliding rack; 49. a transmission rod; 50. a hinged fixed seat; 51. an incomplete gear; 52. a shower head; 53. a second stepping motor; 54. rotating the screw rod; 55. adjusting a screw nut; 56. fixing the round rod; 57. a sliding shaft sleeve; 58. a shielding plate; 59. a strip-shaped slide bar; 60. a transverse mounting plate; 61. adjusting the motor; 62. adjusting a rod; 63. a circular disc; 64. a card sleeve; 65. a rectangular through hole; 66. hanging a ring; 67. a strip-shaped hole; 68. a flow regulating valve; 69. a connecting hose; 70. a transparent region; 71. a translucent region; 72. an opaque region; 73. cleaning the opening; 74. cleaning the control valve; 75. a wiper control circuit display area; 76. a combination switch; 77. an ignition switch; 78. and an indicator light.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-15: a teaching and practical training device for an automobile induction windscreen wiper comprises a storage box body 1 and moving rollers 2 fixedly mounted on the periphery of the bottom of the storage box body 1, wherein a lifting object placing table 3 is movably mounted in the storage box body 1, an unfolding storage mechanism is arranged at the bottom of the lifting object placing table 3, a teaching display board 4 is mounted at the rear end of the upper part of the lifting object placing table 3, and an induction windscreen wiper mechanism and a demonstration simulation mechanism are respectively arranged on the teaching display board 4;

the unfolding containing mechanism comprises a driving motor 5, a driving shaft 6, a sliding sleeve 7, a first driving gear 8, a group of unfolding driving shafts 9, a first driven gear 10, a group of sector-shaped teeth 11, a group of unfolding driven shafts 12, a group of sliding box covers 13, two groups of hinge rods 14, a second driving gear 15, a lifting driving shaft 16, a second driven gear 17, a lifting driven shaft 18, a group of transmission gears 19, two groups of swing rods 20, two groups of fixed sleeves 21 and two groups of sliding rods 22, wherein the driving motor 5 is horizontally arranged on one side of the front surface of the containing box 1, the driving shaft 6 is arranged on the rotating end of the driving motor 5, the sliding sleeve 7 is movably sleeved on the driving shaft 6, the first driving gear 8 is arranged at the rear end of the sliding sleeve 7, the group of unfolding driving shafts 9 are respectively and movably inserted at two sides in the containing box 1, and the rear end extends out of the containing box 1, the first driven gear 10 is arranged at the front end of one unfolding driving shaft 9, the group of sector-shaped teeth 11 are respectively arranged at the rear end of the group of the unfolding driving shaft 9 and are mutually meshed, the group of unfolding driving shaft 12 is respectively and movably arranged in the containing box 1 and is movably connected with the two groups of unfolding driving shafts 16, the front ends of the lifting driving shafts 16, the two groups of the lifting driven shafts 16, the lifting driven shafts 16 are respectively inserted in the front ends of the containing box 1 and movably hinged box 1, a group of transmission gears 19 are respectively arranged at the centers of the lifting driving shaft 16 and the lifting driven shaft 18 and are mutually meshed, two groups of swing rods 20 are respectively arranged at two ends of the lifting driving shaft 16 and the lifting driven shaft 18, two groups of fixed sleeves 21 are vertically arranged at two sides in the containing box body 1, the bottoms of two groups of sliding rods 22 are movably inserted in the two groups of fixed sleeves 21, and the upper ends of the two groups of sliding rods are connected with the lifting object placing table 3;

the induction wiper mechanism comprises a liquid storage tank 23, a liquid filling opening 24, a washing pump 25, a cleaning hose 26, a three-way joint 27, a group of nozzles 28, a fixed rod 29, a motor 30, a crank 31, a first rocker 32, a first wiper 33, a second rocker 34, a second wiper 35, a connecting rod 36, a front windshield 37 of an automobile and a rainfall sensor 38, wherein the liquid storage tank 23 is arranged at the rear end of the upper surface of the lifting object placing table 3, the liquid filling opening 24 is arranged at one side of the upper surface of the liquid storage tank 23, the washing pump 25 is arranged at one side of the bottom of the liquid storage tank 24, the cleaning hose 26 is inserted at the liquid outlet end of the washing pump 25, the three-way joint 27 is arranged on the cleaning hose 26, the group of nozzles 28 are respectively arranged at the front end of the cleaning hose 26 and are fixed at the bottom of the front surface of the teaching display board 4, the fixing rod 29 is installed on the front surface of the teaching display board 4, the motor 30 is installed on the fixing rod 29, the crank 31 is installed on the rotating end of the motor 30, the first rocker arm 32 is movably hinged to the front end of the crank 31, the bottom of the first rocker arm is movably hinged to one end of the fixing rod 29, the first windscreen wiper 33 is installed at one end of the fixing rod 29, the bottom of the second rocker arm 34 is movably hinged to the other end of the fixing rod 29, the second windscreen wiper 35 is installed at the other end of the fixing rod 29, the connecting rod 36 is movably hinged to the upper ends of the first rocker arm 32 and the second rocker arm 34, the automobile front windscreen 37 is installed at the center of the front surface of the teaching display board 4, and the rainfall sensor 38 is installed at the rear end of the top of the automobile front windscreen 37;

demonstration simulation mechanism includes aqua storage tank 39, backward flow groove 40, impurity filter screen 41, suction pump 42, outlet conduit 43, sprays mounting panel 44, step motor 45, driving frame 46, two sets of bar spout 47, two sets of sliding rack 48, two sets of transfer lines 49, two sets of articulated fixing base 50, two sets of incomplete gear 51, two sets of shower heads 52, two step motor 53, rotation lead screw 54, adjusting screw 55, fixed round bar 56, slip axle sleeve 57 and shielding plate 58, aqua storage tank 39 is opened in the thing platform 3 is put in the lift, backward flow groove 40 is opened and is put thing platform 3 upper surface in the lift, and communicate with aqua storage tank 39, impurity filter screen 41 is vertical to be installed in aqua storage tank 39, one end in aqua storage tank 39 is installed to suction pump 42, outlet conduit 43 cartridge is at suction pump 42 water outlet end, it installs in teaching display panel 4 front surface upper end to spray mounting panel 44, the first step motor 45 is horizontally arranged at the rear end of the bottom of the spraying mounting plate 44, the transmission frame 46 is arranged at the rotating end of the first step motor 45, the two groups of strip-shaped chutes 47 are respectively arranged at the bottom of the spraying mounting plate 44, the two groups of sliding racks 48 are respectively and slidably arranged on the two groups of strip-shaped chutes 47, the two groups of transmission rods 49 are respectively and movably hinged with the transmission frame 46 at one end and movably hinged with the rear end of the sliding racks 48 at the other end, the two groups of hinged fixing seats 50 are fixedly arranged at the bottom of the spraying mounting plate 44 and are respectively positioned at two sides of the two groups of strip-shaped chutes 47, the two groups of incomplete gears 51 are respectively and movably arranged in the two groups of hinged fixing seats 50, the tops of the incomplete gears are respectively meshed with the two groups of sliding racks 48, the two groups of spray heads 52 are respectively arranged at the bottoms of the two groups of incomplete gears 51, the second step motor 53 is horizontally arranged at the upper end of the front surface of the teaching display plate 4 and is positioned below the spraying mounting plate 44, the rotation lead screw 54 is installed on the rotating end of the second stepping motor 53, the adjusting screw nut 55 is installed on the rotation lead screw 54, the fixed round rod 56 is installed at the upper end of the front surface of the teaching display board 4 and is located below the rotation lead screw 54, the sliding shaft sleeve 57 is movably sleeved on the fixed round rod 56, the upper end of the sliding shaft sleeve 57 is connected with the adjusting screw nut 55, and the shielding plate 58 is installed at the bottom of the sliding shaft sleeve 57.

A set of strip-shaped sliding strips 59 matched with the sliding sleeve 7 are arranged on two sides of the driving shaft 6.

Install horizontal mounting panel 60 on the storage box 1 front surface, install adjusting motor 61 on the horizontal mounting panel 60, adjusting motor 61 rotation end activity cartridge is in horizontal mounting panel 60, and adjusting motor 61 rotation end installs regulation pole 62, sliding sleeve 7 center department installs circular dish 63, and the movable suit of adjusting pole 62 front end through cutting ferrule 64 is on circular dish 63.

The front end of the swing rod 20 is provided with a rectangular through hole 65, the bottom of the sliding rod 22 is provided with a hanging ring 66, and the hanging ring 66 is movably hung in the rectangular through hole 65 at the front end of the swing rod 20.

Strip-shaped holes 67 are formed on two sides of the fixed sleeve 21.

The shower head 52 is provided with a flow control valve 68, and the shower head 52 is communicated with the water outlet pipe 43 through a connecting hose 69.

The shielding plate 58 is provided with a transparent area 70, a translucent area 71 and an opaque area 72, respectively.

The bottom of the lifting object placing table 3 is provided with a cleaning port 73 communicated with the water storage tank 39, and a cleaning control valve 74 is arranged at the cleaning port 73.

The teaching display board 4 is provided with a wiper control circuit display area 75 on one side of the front surface, and a combination switch 76, an ignition switch 77 and an indicator lamp 78 on the other side of the front surface.

The working principle of the embodiment is as follows: electric equipment used by the device is controlled by an external controller, a combined switch 76 comprises a wiper switch, a wiper switch and an inductive wiper switch, a wiper control circuit display area 75 can simulate various wiper system faults, and moving rollers 2 are arranged around the bottom of a containing box body 1 in the prior art;

when the folding box is unfolded and stored: when the multifunctional folding table is not used, the lifting object placing table 3 and the teaching display board 4 are stored in the storage box body 1, when the lifting object placing table 3 and the teaching display board 4 are required to be unfolded, the driving motor 5 is horizontally arranged on one side of the front surface of the storage box body 1, the driving shaft 6 is arranged on the rotating end of the driving motor 5, the sliding sleeve 7 is movably sleeved on the driving shaft 6, the driving gear I8 is arranged at the rear end of the sliding sleeve 7, a group of unfolding driving shafts 9 are respectively and movably inserted into two sides in the storage box body 1 through fastening bearings, the rear end of each unfolding driving shaft extends out of the storage box body 1, the driven gear I10 is arranged at the front end of one unfolding driving shaft 9, a group of fan-shaped teeth 11 are respectively arranged at the rear end of a group of unfolding driving shafts 9 and are mutually meshed, a group of unfolding driven shafts 12 are respectively and movably inserted into the storage box body 1 through fastening bearings and are positioned on one side of the group of unfolding driving shafts 9, a group of sliding box body cover 13 is movably arranged at the upper end of the storage box body 1, two groups of hinged rods 14 are respectively connected with a group of unfolding driving shafts 9 and a group of unfolding driven shafts 12 at one end, and are respectively movably hinged with two outer sides of a group of sliding box covers 13 at the other end, a group of strip-shaped sliding strips 59 matched with the sliding sleeves 7 are arranged at two sides of the driving shaft 6, a transverse mounting plate 60 is arranged on the front surface of the containing box body 1, an adjusting motor 61 is arranged on the transverse mounting plate 60, the rotating end of the adjusting motor 61 is movably inserted in the transverse mounting plate 60 through a fastening bearing, an adjusting rod 62 is arranged at the rotating end of the adjusting motor 61, a circular disc 63 is arranged at the center of the sliding sleeve 7, the front end of the adjusting rod 62 is movably sleeved on the circular disc 63 through a clamping sleeve 64, as shown in figure 9, the adjusting motor 61 firstly starts to work, the sliding sleeve 7 is driven by the adjusting rod 62 to slide towards the rear end, and at the moment, the driving gear I8 is meshed with the driven gear I10, as shown in fig. 5, then the driving motor 5 starts to work to drive the driving shaft 6 on the rotating end to rotate, the driving shaft 6 drives one unfolding driving shaft 9 to rotate through a driving gear 8 and a driven gear 10, the unfolding driving shaft 9 drives the other unfolding driving shaft 9 to rotate through a set of sector teeth 11, so as to drive a set of sliding box covers 13 to automatically open, as shown in fig. 1, when the lifting object placing table 3 and the teaching display board 4 are lifted, the adjusting motor 61 firstly drives the sliding sleeve 7 to slide towards the front end, at this time, the driving gear two 15 and the driven gear two 17 are meshed with each other, as shown in fig. 6, the driving shaft 6 drives the lifting driving shaft 16 to rotate through the driving gear two 15 and the driven gear two 17, the lifting driving shaft 16 is movably inserted in the storage box 1 through a fastening bearing, and the front end extends out of the storage box 1, the lifting driven shaft 18 is movably inserted in the storage box 1 through a fastening bearing, and is located one side of the lifting driving shaft 16, a group of transmission gears 19 are respectively installed at the centers of the lifting driving shaft 16 and the lifting driven shaft 18 and are meshed with each other, as shown in fig. 7, the lifting driving shaft 16 drives the lifting driven shaft 18 to start rotating, two groups of oscillating rods 20 are respectively installed at two ends of the lifting driving shaft 16 and the lifting driven shaft 18, two groups of fixed sleeves 21 are vertically installed at two sides in the storage box body 1, the bottoms of two groups of sliding rods 22 are movably inserted in the two groups of fixed sleeves 21, and the upper end is connected with the lifting object placing table 3, the front end of the oscillating rod 20 is provided with a rectangular through hole 65, the bottom of the sliding rod 22 is provided with a hanging ring 66, and the hanging ring 66 is movably hung in the rectangular through hole 65 at the front end of the oscillating rod 20, two sides of the fixed sleeve 21 are provided with strip-shaped holes 67, the lifting driving shaft 16 and the lifting driven shaft 18 can drive the two groups of sliding rods 22 to slide upwards through the two groups of oscillating rods 20, thereby driving the lifting object placing table 3 and the teaching display board 4 to ascend, as shown in fig. 3, when the lifting object placing table 3 and the teaching display board 4 need to be stored, the driving motor 5 rotates reversely, firstly driving the lifting object placing table 3 and the teaching display board 4 to descend into the storage box body 1, then driving a group of sliding box body covers 13 to automatically close, and completing the storage of the lifting object placing table 3 and the teaching display board 4;

when the automobile front windshield is washed: manually turning on a wiper switch and a wiper switch, pumping the cleaning liquid in the liquid storage tank 23 to a cleaning hose 26 by a washing pump 25, and finally spraying the cleaning liquid out of a group of nozzles 28, firstly, washing the front windshield 37 of the automobile, then, driving a crank 31 to rotate by a motor 30, driving a first wiper 33 on a first rocker 32 and a second wiper 35 on a second rocker 34 to rotate in a reciprocating manner by the crank 31, and cleaning the front windshield 37 of the automobile;

during demonstration simulation: firstly, the inductive windscreen wiper switch is opened, the water pump 42 firstly starts to work, water in the water storage tank 39 is pumped into the water outlet pipeline 43, the first stepping motor 45 is horizontally arranged at the rear end of the bottom of the spraying mounting plate 44, the transmission frame 46 is arranged at the rotating end of the first stepping motor 45, the two groups of strip-shaped chutes 47 are respectively arranged at the bottom of the spraying mounting plate 44, the two groups of sliding racks 48 are respectively arranged on the two groups of strip-shaped chutes 47 in a sliding way, one ends of the two groups of transmission rods 49 are respectively and movably hinged with the transmission frame 46, the other ends of the two groups of transmission rods 49 are respectively and movably hinged with the rear end of the sliding rack 48, the two groups of hinged fixing seats 50 are fixedly arranged at the bottom of the spraying mounting plate 44 and respectively positioned at two sides of the two groups of strip-shaped chutes 47, the two groups of incomplete gears 51 are respectively and movably arranged in the two groups of hinged fixing seats 50, the tops of incomplete gears 48 are respectively meshed with the two groups of sliding racks 48, the two groups of spraying heads 52 are respectively arranged at the bottoms of incomplete gears 51, the first step motor 45 can drive the spray head 52 to deflect at an angle, the spray head 52 is provided with a flow regulating valve 68, the spray head 52 is communicated with the water outlet pipeline 43 through a connecting hose 69, the first step motor 45 firstly drives the spray head 52 to deflect to spray the bottom of the front windshield 37 of the automobile, the induction wiper mechanism does not work at the moment, then the first step motor 45 drives the spray head 52 to deflect at an angle to spray the middle position of the front windshield 37 of the automobile, the induction wiper mechanism works at the moment, the first step motor 45 drives the spray head 52 to continuously deflect at an angle, so that the spray head 52 sprays the upper end of the front windshield 37 of the automobile, the rainfall sensor 38 receives a signal to control the induction wiper mechanism to work, a user adjusts the water spray amount through the flow regulating valve 68, the water spray amount is set to be small, medium and large and respectively corresponds to the quick water spray amount of the induction wiper mechanism, A second stepping motor 53 is horizontally arranged at the upper end of the front surface of the teaching display board 4 and is positioned below the spraying installation board 44, a rotating screw rod 54 is arranged at the rotating end of the second stepping motor 53, an adjusting screw nut 55 is arranged on the rotating screw rod 54, a fixed round rod 56 is arranged at the upper end of the front surface of the teaching display board 4 and is positioned below the rotating screw rod 54, a sliding shaft sleeve 57 is movably sleeved on the fixed round rod 56, the upper end of the sliding shaft sleeve is connected with the adjusting screw nut 55, a shielding plate 58 is arranged at the bottom of the sliding shaft sleeve 57, a transparent area 70, a translucent area 71 and an opaque area 72 are respectively arranged on the shielding plate 58, the second stepping motor 53 rotates to drive the transparent area 70, the translucent area 71 and the opaque area 72 on the shielding plate 58 to sequentially shield the rainfall sensor 38, when transparent district 70, when translucent district 71 shelters from rainfall sensor 38, response windscreen wiper mechanism normally works, when opaque district 72 shelters from rainfall sensor 38, response windscreen wiper mechanism stop work, the rainy day operating condition of multi-operating mode demonstration car response windscreen wiper, washing liquid and shower water accessible backward flow groove 40 flow in aqua storage tank 39 again and filter reuse, can launch and accomodate the automation to lifting platform 3 and teaching show board 4 through the expansion receiving mechanism that is located lifting platform 3 bottom, convenient teaching show of going out, reach simultaneously and play the safeguard function to car front windshield 37, response windscreen wiper mechanism and demonstration analog mechanism can multi-operating mode demonstration car response windscreen wiper rainy day operating condition, directly perceivedly let the student know the principle of response windscreen wiper, improve real standard teaching effect.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications made to some parts by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A teaching and practical training device for an automobile induction windscreen wiper comprises a storage box body (1) and moving rollers (2) fixedly mounted on the periphery of the bottom of the storage box body (1), and is characterized in that a lifting object placing table (3) is movably mounted in the storage box body (1), an unfolding storage mechanism is arranged at the bottom of the lifting object placing table (3), a teaching display board (4) is mounted at the rear end of the lifting object placing table (3), and an induction windscreen wiper mechanism and a demonstration simulation mechanism are respectively arranged on the teaching display board (4);

the unfolding containing mechanism comprises a driving motor (5), a driving shaft (6), a sliding sleeve (7), a driving gear I (8), a group of unfolding driving shafts (9), a driven gear I (10), a group of fan-shaped teeth (11), a group of unfolding driven shafts (12), a group of sliding box covers (13), two groups of hinged rods (14), a driving gear II (15), a lifting driving shaft (16), a driven gear II (17), a lifting driven shaft (18), a group of transmission gears (19), two groups of swinging rods (20), two groups of fixed sleeves (21) and two groups of sliding rods (22), wherein the driving motor (5) is horizontally arranged on one side of the front surface of the containing box body (1), the driving shaft (6) is arranged on the rotating end of the driving motor (5), the sliding sleeve (7) is movably sleeved on the driving shaft (6), the driving gear I (8) is arranged at the rear end of the sliding sleeve (7), the group of unfolding driving shafts (9) are respectively movably inserted into two sides of the containing box body (1) and extend out of the containing box body (1), the driven gear I (10) is arranged at the front end of one group of the driving shaft (11), the group of unfolding driving shaft (11) and the group of unfolding driving shaft (12) is respectively inserted into the group of unfolding driving shaft (1) and meshed with the driven shaft (12), the lifting device is positioned on one side of a set of unfolding driving shaft (9), a set of sliding box cover (13) is movably installed at the upper end of a storage box body (1), one end of each of two sets of hinged rods (14) is connected with the corresponding unfolding driving shaft (9) and one set of unfolding driven shaft (12), the other end of each of the two sets of hinged rods is movably hinged with the two outer sides of the corresponding sliding box cover (13), a second driving gear (15) is installed at the front end of a sliding sleeve (7), a lifting driving shaft (16) is movably inserted into the storage box body (1) and extends out of the storage box body (1), a second driven gear (17) is installed at the front end of the lifting driving shaft (16), a lifting driven shaft (18) is movably inserted into the storage box body (1) and is positioned on one side of the lifting driving shaft (16), a set of transmission gear (19) is installed at the centers of the lifting driving shaft (16) and the lifting driven shaft (18) and is meshed with each other, two sets of swinging rods (20) are installed at the two ends of the lifting driving shaft (16) and the lifting driven shaft (18), two sets of fixing sleeves (21) are vertically installed at the two sides of the storage box body (1), two sets of sliding rods (22) and are movably inserted into the bottom of the storage box body (3) and connected with a lifting platform;

the induction wiper mechanism comprises a liquid storage tank (23), a liquid filling port (24), a washing pump (25), a cleaning hose (26), a three-way joint (27), a group of nozzles (28), a fixing rod (29), a motor (30), a crank (31), a first rocker arm (32), a first wiper (33), a second rocker arm (34), a second wiper (35), a connecting rod (36), automobile front windshield glass (37) and a rainfall sensor (38), wherein the liquid storage tank (23) is arranged at the rear end of the upper surface of the lifting object placing table (3), the liquid filling port (24) is arranged on one side of the upper surface of the liquid storage tank (23), the washing pump (25) is arranged on one side of the bottom of the teaching board (4), the cleaning hose (26) is inserted at the liquid outlet end of the washing pump (25), the three-way joint (27) is arranged on the cleaning hose (26), the group of nozzles (28) are respectively arranged at the front end of the cleaning hose (26) and fixed at the bottom of the front surface of the teaching board (4), the fixing rod (29) is arranged on the front surface of the teaching board (4), the crank (30) is arranged on the fixing rod (29), and the movable crank (31) is hinged at the front end of the first rocker arm (31), the bottom of the automobile front windshield (37) is movably hinged with one end of a fixing rod (29), the first windscreen wiper (33) is installed at one end of the fixing rod (29), the bottom of the second rocker arm (34) is movably hinged with the other end of the fixing rod (29), the second windscreen wiper (35) is installed at the other end of the fixing rod (29), the connecting rod (36) is movably hinged with the upper ends of the first rocker arm (32) and the second rocker arm (34), the automobile front windshield (37) is installed at the center of the front surface of the teaching display board (4), and the rainfall sensor (38) is installed at the rear end of the top of the automobile front windshield (37);

the demonstration simulation mechanism comprises a water storage tank (39), a backflow tank (40), an impurity filter screen (41), a water suction pump (42), a water outlet pipeline (43), a spraying mounting plate (44), a stepping motor I (45), a transmission frame (46), two groups of strip-shaped sliding grooves (47), two groups of sliding racks (48), two groups of transmission rods (49), two groups of hinged fixing seats (50), two groups of incomplete gears (51), two groups of spray heads (52), two groups of stepping motors (53), a rotating screw rod (54), an adjusting screw nut (55), a fixed round rod (56), a sliding shaft sleeve (57) and a baffle plate (58), wherein the water storage tank (39) is arranged in the lifting object-placing table (3), the backflow tank (40) is arranged on the upper surface of the lifting object-placing table (3) and communicated with the water storage tank (39), the impurity filter screen (41) is vertically arranged in the water storage tank (39), the water suction pump (42) is arranged at one end in the water storage tank (39), the water outlet pipeline (43) is inserted at the water outlet end of the water suction pump (42), the spraying mounting plate (44) is arranged on the upper surface of the display plate (4), the mounting plate (45), the horizontal motor (45) is arranged at the upper end of the bottom of the spraying mounting plate (45), two groups of strip-shaped sliding chutes (47) are respectively arranged at the bottom of the spraying mounting plate (44), two groups of sliding racks (48) are respectively arranged on the two groups of strip-shaped sliding chutes (47) in a sliding way, one ends of two groups of transmission rods (49) are respectively movably hinged with the transmission frame (46), the other end is movably hinged with the rear end of the sliding rack (48), two groups of hinged fixed seats (50) are fixedly arranged at the bottom of the spraying installation plate (44), and are respectively positioned at two sides of the two groups of strip-shaped sliding chutes (47), two groups of incomplete gears (51) are respectively and movably arranged in the two groups of hinged fixed seats (50), the top parts of the two groups of spray heads are respectively meshed with the two groups of sliding racks (48), the two groups of spray heads (52) are respectively arranged at the bottoms of the two groups of incomplete gears (51), the second stepping motor (53) is horizontally arranged at the upper end of the front surface of the teaching display board (4), and is positioned below the spraying installation plate (44), the rotating screw rod (54) is arranged on the rotating end of the second stepping motor (53), the adjusting screw nut (55) is arranged on the rotating screw rod (54), the fixed round rod (56) is arranged at the upper end of the front surface of the teaching display board (4), and is positioned below the rotating screw rod (54), the sliding shaft sleeve (57) is movably sleeved on the fixed round rod (56), and the upper end of the baffle plate is connected with an adjusting screw nut (55), and the baffle plate (58) is arranged at the bottom of the sliding shaft sleeve (57).

2. The teaching and practical training device for the automobile induction windscreen wiper as claimed in claim 1, wherein a group of strip-shaped sliding strips (59) matched with the sliding sleeves (7) are mounted on two sides of the driving shaft (6).

3. The practical training device for teaching of the automobile induction windscreen wiper as claimed in claim 1, wherein a transverse mounting plate (60) is mounted on the front surface of the storage box body (1), an adjusting motor (61) is mounted on the transverse mounting plate (60), the rotating end of the adjusting motor (61) is movably inserted into the transverse mounting plate (60), an adjusting rod (62) is mounted at the rotating end of the adjusting motor (61), a circular disc (63) is mounted at the center of the sliding sleeve (7), and the front end of the adjusting rod (62) is movably sleeved on the circular disc (63) through a clamping sleeve (64).

4. The teaching and practical training device for the automobile inductive windscreen wiper as claimed in claim 1, wherein a rectangular through hole (65) is formed in the front end of the oscillating rod (20), a hanging ring (66) is mounted at the bottom of the sliding rod (22), and the hanging ring (66) is movably suspended in the rectangular through hole (65) in the front end of the oscillating rod (20).

5. The practical training device for teaching of the automobile induction windscreen wiper as claimed in claim 1, wherein strip-shaped holes (67) are formed in two sides of the fixing sleeve (21).

6. The practical training device for teaching of the automobile inductive windscreen wiper as claimed in claim 1, wherein a flow control valve (68) is mounted on the spray head (52), and the spray head (52) is communicated with the water outlet pipe (43) through a connecting hose (69).

7. The teaching and practical training device for the inductive windscreen wiper of the automobile as claimed in claim 1, wherein a transparent area (70), a semi-transparent area (71) and an opaque area (72) are respectively arranged on the shielding plate (58).

8. The practical training device for teaching of the automobile induction windscreen wiper as claimed in claim 1, wherein a cleaning port (73) communicated with the water storage tank (39) is formed in the bottom of the lifting object placing table (3), and a cleaning control valve (74) is mounted at the cleaning port (73).

9. The practical training device for teaching of the automobile induction windscreen wiper as claimed in claim 1, wherein a windscreen wiper control circuit display area (75) is installed on one side of the front surface of the teaching display board (4), and a combination switch (76), an ignition switch (77) and an indicator lamp (78) are respectively installed on the other side of the front surface.