CN108877314B - A cultural display device that absorbs chalk dust for classrooms - Google Patents

Abstract

The invention discloses a cultural display device for sucking chalk dust for classrooms, comprising a mobile device, a dust suction device and a display device. The mobile device comprises a wall fixing plate, and the wall fixing plate is fixedly connected to the wall by screws. The front side of the wall fixing plate is horizontally provided with a long groove, and the inner side of the long groove is horizontally provided with a movable groove, the groove bottom of the movable groove is fixed with a plurality of sets of splines, and the splines are evenly arranged on the groove bottom of the movable groove, A movable gear is vertically arranged in the movable groove, a fixed block is arranged on the front side of the movable gear, and the middle part of the rear side of the fixed block is movably connected with the middle part of the front side of the movable gear through a pin shaft. A dust-absorbing device is fixed on the side, and the dust-absorbing device and the display device can be moved horizontally through the moving device, so that the dust-absorbing device can absorb chalk dust and the display device can be adjusted horizontally for viewing.

Description

A cultural display device that absorbs chalk dust for classrooms

technical field

The invention relates to the technical field of cultural propaganda, in particular to a cultural display device for sucking chalk dust for classrooms.

Background technique

Chinese culture, called Huaxia culture and Han culture, refers to the unique Chinese culture that has continuously evolved and developed on the basis of the Central Plains culture. China, a splendid culture, stands in the east of the world with its rich and colorful cultural elements. Nowadays, student education only exists in the education of books, and they have no intention of contacting external things. , and the introduction of foreign culture has caused some people to have a culture of worshipping foreigners and foreigners, making it impossible to inherit the excellent traditional Chinese culture of 5,000 years. The classroom is an important place for the transmission of knowledge and culture, and a holy place for children to learn knowledge and culture. There is no cultural propaganda equipment in the classrooms of 2000, so the culture cannot be transmitted to the students in their spare time, and the chalk dust on the blackboard in the classroom is harmful to the health of the students and teachers. Therefore, the present invention proposes a kind of cultural display that absorbs the chalk dust in the classroom. device to solve the above problem.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a cultural display device for sucking chalk dust for classrooms, so as to solve the problems raised in the above background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a cultural display device for sucking chalk ash for classrooms, including a mobile device, an ash absorbing device and a display device, the mobile device comprising a wall fixing plate, the wall fixing plate passing through The screws are fixedly connected to the wall, a long groove is horizontally opened on the front side of the wall fixing plate, and a movable groove is horizontally opened on the inner side of the long groove. A spline is evenly arranged at the bottom of the movable groove, a movable gear is vertically arranged in the movable groove, a fixed block is arranged on the front side of the movable gear, and the middle part of the rear side of the fixed block passes through the connection between the pin shaft and the movable gear. The middle part of the front side is movably connected, and the front side of the fixing block is fixedly provided with an ash suction device;

The ash suction device includes an ash suction box, a square vertical pipe is vertically arranged in the ash suction box, and a square horizontal pipe is horizontally arranged on the side of the square vertical pipe. The side walls are vertically fixed and connected, the inner side of the square horizontal pipe is provided with a filter screen, the outer side of the filter screen is vertically provided with a one-way ventilation plate, and the side of the square horizontal pipe away from the square vertical pipe is provided with a movable plate, The front side of the movable plate is provided with a horizontal groove, and the horizontal groove is provided with a reciprocating block, the inner wall of the ash suction box is fixed with a motor by screws, and a rotating disc is fixed on the front side of the motor. There is a swing rod between the disc and the movable plate, one end of the swing rod is movably connected with the front side of the rotating disc, and the other end of the swing rod is movably connected with the reciprocating block, the reciprocating block is connected with the one-way ventilation plate A movable rod is horizontally arranged in between, the two ends of the movable rod are respectively fixedly connected with the side wall of the reciprocating block and the middle part of the side wall of the one-way ventilation plate, and a display device is fixed on the front side of the ash suction box;

The display device includes a placement frame and a display screen, the display screen is located in the placement frame, and the side wall of the display screen is fixedly connected to the inner wall of the placement frame, and the placement frame is fixedly connected to the front side of the ash suction device through screws.

Preferably, the upper and lower groove walls of the long groove are provided with track grooves, and the track grooves are provided with limit blocks, the opposite surfaces of the two sets of limit blocks are vertically and fixedly connected to the side walls of the fixed blocks, and the movable gear is connected to the third block. A spline is engaged and connected, and baffles are fixed on both sides of the movable groove.

Preferably, an embedding groove is formed on the lower side of the ash suction box, a chalk ash collection box is arranged in the embedding groove, and a drain matching the chalk ash is opened on the lower side of the square horizontal tube. The upper end of the ash collection box extends into the drain groove, and the outer side wall of the chalk ash collection box is fitted with the groove wall of the drain tank.

Preferably, two sets of symmetrical positioning grooves are formed on both sides of the embedded groove, two sets of symmetrical invisible grooves are formed on the side wall of the chalk ash collection box, and two sets of invisible grooves are formed with gear grooves on the opposite sides. A rotating gear is arranged in the gear groove, an insertion rod is arranged in the invisible groove, a second spline is fixedly arranged on the opposite surfaces of the two groups of the insertion rod, and the rotating gear is meshed and connected with the second spline.

Preferably, a ventilation hole is opened on the side of the one-way ventilation plate close to the filter screen, a sealing plate is arranged between the ventilation hole and the filter screen, and the upper side of the sealing plate passes through the pin shaft and the upper part of the ventilation hole. Side active connection.

Preferably, the placing frame is provided with a cylindrical brush, the upper and lower ends of the cylindrical brush are movably connected with the upper and lower inner walls of the placing frame, and the lower end of the placing frame is vertically provided with a rotating rod, and the rotating The upper end of the rod is vertically and fixedly connected with the lower middle part of the cylindrical brush.

Preferably, a cylindrical rod is arranged on the lower side of the chalk ash collection box, and the upper end of the cylindrical rod penetrates the bottom of the chalk ash collection box and is vertically and fixedly connected to the lower middle part of the rotating gear, and the lower side of the ash suction box is vertical A toggle rod is provided, and the upper end of the toggle rod is vertically and fixedly connected with the lower side of the ash suction box.

Preferably, the lower side of the square vertical pipe is provided with a square table frame, and the upper side of the square table frame is fixedly connected with the lower side of the square vertical pipe.

Preferably, the upper side of the ash suction box is provided with a cover plate, and the lower ends of both sides of the cover plate are fixed with insert blocks, the upper side of the ash suction box is provided with a slot, and the slots on both sides of the slot are The wall is provided with a limiting slot, the side wall of the insert block is provided with an empty slot, and a strip-shaped slot is opened between the empty slots. The groove wall is movably connected, the upper end of the limit bar is fixedly connected to the bar-shaped groove through a spring, the upper side of the cover plate is provided with a round rod, and the lower end of the round rod penetrates the cover plate into the bar-shaped groove, the circular rod Both ends of the rod are provided with belts, and the belts are located in the strip-shaped grooves, and the two ends of the belts are respectively fixedly connected with the side walls of the limiting strip and the side walls of the round rod.

Preferably, one side of the rotating rod is provided with an L-shaped plate, one end of the L-shaped plate is fixedly connected with the lower end of the rotating rod, and the lower end of the left side of the placing frame is provided with a rotating groove, and the other end of the L-shaped plate is located in the chute.

Compared with the prior art, the beneficial effects of the present invention are:

1. The vacuuming device and the display device can be moved horizontally through the mobile device, which is convenient for the vacuuming device to absorb chalk dust, and the display device can be adjusted horizontally for viewing;

2. The setting of the cylindrical brush can easily wipe the dust on the display screen, and the setting of the rotating rod makes it possible to turn the rotating rod when there is a lot of dust in a certain position of the display screen, so that the cylindrical brush can rotate and wipe the display screen;

3. The rotating gear and plunger of the chalk ash collection box are set so that when the rotating gear rotates, the plunger can be inserted into the positioning slot, and the chalk ash collection box is placed to achieve the positioning effect.

Description of drawings

1 is a schematic structural diagram of a mobile device according to the present invention;

Fig. 2 is the structural schematic diagram of the ash suction device of the present invention;

3 is a schematic structural diagram of a display device of the present invention;

Fig. 4 is the structural representation of the bottom of the chalk ash collection box of the present invention;

Fig. 5 is the structural schematic diagram of the one-way ventilation plate of the present invention

FIG. 6 is a schematic diagram of the connection between the cover plate and the ash suction box of the present invention.

In the picture: 1 mobile device, 101 movable slot, 102 long slot, 103 movable gear, 104 fixed block, 105 first spline, 106 baffle, 107 wall fixing plate, 2 ash suction device, 201 ash suction box, 202 square Vertical pipe, 203 square horizontal pipe, 204 chalk dust collection box, 205 filter screen, 206 one-way ventilation plate, 207 movable rod, 208 movable plate, 209 electric motor, 210 rotating disc, 211 swing rod, 212 toggle rod, 213 Second spline, 214 plunger rod, 215 rotating gear, 3 display device, 301 display screen, 302 cylindrical brush, 303 rotating rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-6, the present invention provides a technical solution: a cultural display device for sucking chalk dust for classrooms, comprising a mobile device 1, a dust suction device 2 and a display device 3, the mobile device 1 includes a wall fixing plate 107, The wall fixing plate 107 is fixedly connected to the wall by screws. The front side of the wall fixing plate 107 is provided with a long slot 102 horizontally, and the inner side of the long slot 102 is horizontally opened with a movable slot 101. The bottom of the slot of the movable slot 101 is fixed with a plurality of groups of A spline 105, and the first splines 105 are evenly arranged at the bottom of the movable groove 101, a movable gear 103 is vertically arranged in the movable groove 101, a fixed block 104 is arranged on the front side of the movable gear 103, and the fixed block 104 is The middle part of the rear side is movably connected with the middle part of the front side of the movable gear 103 through a pin shaft, and the front side of the fixed block 104 is fixedly provided with an ash suction device 2;

The ash suction device 2 includes an ash suction box 201. The ash suction box 201 is vertically provided with a square vertical pipe 202, the upper side of the square vertical pipe 202 is closed, and the side of the square vertical pipe 202 is horizontally provided with a square horizontal pipe 203. One side of the pipe 203 is vertically and fixedly connected with the side wall of the square vertical pipe 202. The inner side of the square horizontal pipe 203 is provided with a filter screen 205, and the outer side of the filter screen 205 is vertically provided with a one-way ventilation plate 206. The square horizontal pipe 203 is far away from the square One side of the vertical pipe 202 is provided with a movable plate 208, and the front side of the movable plate 208 is provided with a horizontal slot, and a reciprocating block is arranged in the horizontal slot. A rotating disc 210 is fixed, and a swinging rod 211 is arranged between the rotating disc 210 and the movable plate 208. One end of the swinging rod 211 is movably connected to the front side of the rotating disc 210, and the other end of the swinging rod 211 is connected to the reciprocating block. There is a movable rod 207 between the reciprocating block and the one-way ventilation plate 206, and the two ends of the movable rod 207 are fixedly connected with the side wall of the reciprocating block and the middle of the side wall of the one-way ventilation plate 206 respectively. A display device 3 is fixed on the front side of the ;

The display device 3 includes a placement frame and a display screen 301. The display screen 301 is located in the placement frame, and the side wall of the display screen 301 is fixedly connected to the inner wall of the placement frame. The placement frame is fixedly connected to the front side of the ash suction device 2 through screws.

Further, the upper and lower groove walls of the long groove 102 are provided with track grooves, and limit blocks are arranged in the track grooves. The opposite surfaces of the two sets of limit blocks are vertically and fixedly connected to the side walls of the fixed block 104. The movable gear 103 is connected to the first spline. 105 are meshed and connected, and baffles 106 are fixed on both sides of the notches of the movable slot 101. The arrangement of the track slot and the limit block prevents the fixed block 104 from leaving the long slot and prevents the ash suction device 2 from shaking.

Further, the lower side of the ash suction box 201 is provided with an embedded groove, and the embedded groove is provided with a chalk collection box 204, the lower side of the square horizontal tube 203 is provided with a drain slot matching the chalk ash, and the upper end of the chalk collection box 204 extends into the gutter, and the outer side wall of the chalk collecting box 204 is in contact with the groove wall of the gutter, the chalk ash collecting box 204 is arranged so that the sucked chalk ash can fall into the chalk ash collecting box.

Further, two sets of symmetrical positioning grooves are formed on the two sides of the groove walls of the embedded groove, two sets of symmetrical invisible grooves are formed on the side walls of the chalk collection box 204, and the opposite sides of the two sets of invisible grooves are formed with gear grooves, and the inside of the gear grooves is There is a rotating gear 215, an insertion rod 214 is arranged in the invisible groove, the opposite surfaces of the two sets of insertion rods 214 are fixed with a second spline 213, and the rotating gear 215 is meshed with the second spline 213. , so that the rotating gear 215 drives the insertion rod 214 to move, so that the insertion rod 214 is inserted into the positioning groove, so that the chalk dust collection box 204 can achieve the positioning effect.

Further, the one-way ventilation plate 206 is provided with a ventilation hole on the side close to the filter screen 205, a sealing plate is provided between the ventilation hole and the filter screen 205, and the upper side of the sealing plate is movably connected to the upper side of the ventilation hole through a pin shaft. , such an arrangement enables the one-way ventilation plate 206 to achieve the effect of one-way ventilation when reciprocating.

Further, the placing frame is provided with a cylindrical brush 302, the upper and lower ends of the cylindrical brush 302 are movably connected with the upper and lower inner walls of the placing frame, the lower end of the placing frame is vertically provided with a rotating rod 303, and the upper end of the rotating rod 303 is connected to the upper and lower inner walls of the placing frame. The lower middle of the cylindrical brush 302 is vertically and fixedly connected. Moving the cylindrical brush 302 can wipe the display screen 301 , and rotating the cylindrical brush 302 makes the display screen 301 difficult to clean, and can be wiped repeatedly.

Further, the lower side of the chalk collection box 204 is provided with a cylindrical rod, and the upper end of the cylindrical rod penetrates the bottom of the chalk collection box 204 and is vertically and fixedly connected to the lower middle of the rotating gear 215, and the lower side of the ash suction box 201 is vertically provided with The toggle rod 212 is vertically fixedly connected with the upper end of the toggle rod 212 to the lower side of the ash suction box 201 .

Further, the lower side of the square standpipe 202 is provided with a square table frame, and the upper side of the square table frame is fixedly connected with the lower side of the square standpipe 202, and the square standpipe 202 communicates with the outside world through the square table frame, and the square standpipe 202 communicates with the outside world through the square table frame. The setting of the table frame increases the range of the device to absorb dust.

Further, the upper side of the ash suction box 201 is provided with a cover plate, and the lower ends of both sides of the cover plate are fixedly provided with insert blocks, the upper side of the ash suction box 201 is provided with a slot, and the groove walls on both sides of the slot are provided with limited positions. slot, the side wall of the insert block is provided with an empty slot, and a strip-shaped slot is opened between the empty slots, a limit bar is arranged in the empty slot, the lower end of the limit bar is movably connected with the slot wall of the empty slot, and the upper end of the limit bar is The spring is fixedly connected with the strip groove, the upper side of the cover plate is provided with a round rod, and the lower end of the round rod penetrates the cover plate to the strip groove, and both ends of the round rod are provided with belts, and the belt is located in the strip groove , the two ends of the belt are respectively fixedly connected with the side wall of the limit bar and the side wall of the round rod, which is convenient for the installation and removal of the cover plate, so that the device can be repaired and inspected internally.

Further, one side of the rotating rod 303 is provided with an L-shaped plate, one end of the L-shaped plate is fixedly connected with the lower end of the rotating rod 303, and the lower end of the left side of the placing frame is provided with a turning slot, and the other end of the L-shaped plate is located at the turning position. In the groove, the positioning of the rotating rod 303 is convenient.

Usage principle: slide the toggle lever 212, the movable gear 103 is meshed with the first spline 105, so that the ash suction device 2 can move on the mobile device 1, the setting of the baffle 106 is to limit the degree of freedom of the ash suction device 2, and the suction The ash device 2 is composed of the ash suction box 201 and the components inside the box, wherein the motor 209 drives the rotating disc 210 to rotate, so that the movable rod 207 reciprocates, so that the one-way ventilation plate 206 can suck air, and the square vertical pipe 202 passes through the square. The function of the table frame expands the ash suction range. The rotating gear 215 on the lower side of the chalk ash collection box 204 rotates, so that the insertion rod 214 is stuck in the ash suction box 201 to achieve the positioning effect, and the insert block on the lower side of the cover is inserted into the slot. , so that the limit bar is ejected by the spring, so that the limit bar is stuck in the limit slot, and the round rod is rotated, so that the belt retracts the limit bar, so that the limit bar is stuck in the empty slot, which is convenient for the installation and disassembly of the cover plate, where L The mold plate is inserted into the rotating groove, which can limit the position of the cylindrical brush 302. The one-way ventilation plate 206 is provided with a ventilation hole on the side close to the filter screen 205. The upper side of the plate is movably connected with the upper side of the ventilation hole through a pin shaft, and this arrangement enables the one-way ventilation plate 206 to be ventilated in one direction when reciprocating.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A cultural display device for sucking chalk dust for classrooms, comprising a mobile device (1), a dust suction device (2) and a display device (3), wherein the mobile device (1) comprises a wall fixing plate ( 107), the wall fixing plate (107) is fixedly connected to the wall by screws, a long slot (102) is horizontally opened on the front side of the wall fixing plate (107), and a movable slot (102) is horizontally opened on the inner side of the long slot (102). A groove (101), the groove bottom of the movable groove (101) is fixedly provided with a plurality of groups of first splines (105), and the first splines (105) are evenly arranged on the groove bottom of the movable groove (101), the said A movable gear (103) is vertically arranged in the movable groove (101), a fixed block (104) is arranged on the front side of the movable gear (103), and the middle part of the rear side of the fixed block (104) passes through the pin shaft and the movable gear (103) is movably connected in the middle of the front side, and the front side of the fixing block (104) is fixedly provided with an ash suction device (2); The ash suction device (2) includes an ash suction box (201), a square vertical pipe (202) is vertically arranged in the ash suction box (201), and a square horizontal pipe (202) is horizontally arranged on the side of the square vertical pipe (202). A pipe (203), one side of the square horizontal pipe (203) is vertically and fixedly connected to the side wall of the square vertical pipe (202), the inner side of the square horizontal pipe (203) is provided with a filter screen (205), and the The outer side of the filter screen (205) is vertically provided with a one-way ventilation plate (206), and the side of the square horizontal pipe (203) away from the square vertical pipe (202) is provided with a movable plate (208), and the movable plate ( The front side of the 208) is provided with a horizontal slot, and a reciprocating block is arranged in the horizontal slot. A rotating disc (210), a swing rod (211) is arranged between the rotating disc (210) and the movable plate (208), and one end of the swing rod (211) is connected to the front side of the rotating disc (210). The other end of the swing rod (211) is movably connected with the reciprocating block, and a movable rod (207) is horizontally provided between the reciprocating block and the one-way ventilation plate (206). Both ends are respectively fixedly connected to the side wall of the reciprocating block and the middle of the side wall of the one-way ventilation plate (206), and a display device (3) is fixed on the front side of the ash suction box (201); The display device (3) comprises a placement frame and a display screen (301), the display screen (301) is located in the placement frame, and a side wall of the display screen (301) is fixedly connected to the inner wall of the placement frame, and the placement frame It is fixedly connected to the front side of the ash suction device (2) through screws; The lower side of the ash suction box (201) is provided with an embedding groove, a chalk ash collecting box (204) is arranged in the embedding groove, and a chalk ash collecting box (204) is opened on the lower side of the square horizontal pipe (203). 204) a matching drain, the upper end of the chalk dust collection box (204) extends into the drain tank, and the outer side wall of the chalk dust collection box (204) fits with the groove wall of the drain tank; Two sets of symmetrical positioning grooves are formed on the two sides of the groove walls of the embedded groove, two sets of symmetrical invisible grooves are formed on the side walls of the chalk dust collection box (204), and the opposite sides of the two sets of invisible grooves are formed with gear grooves , a rotating gear (215) is arranged in the gear groove, an insertion rod (214) is arranged in the invisible groove, and a second spline (213) is fixed on the opposite surfaces of the two groups of the insertion rods (214). The rotating gear (215) is engaged with the second spline (213). 2 . The cultural display device for sucking chalk dust for classrooms according to claim 1 , wherein the upper and lower groove walls of the long groove (102) are provided with track grooves, and a limit block is arranged in the track groove, 2 . The opposite surfaces of the two sets of the limiting blocks are vertically and fixedly connected to the side walls of the fixed block (104), the movable gear (103) is meshed with the first spline (105), and the grooves on both sides of the movable groove (101) The mouths are fixed with baffles (106). 3. The cultural display device for sucking chalk dust for classroom use according to claim 1, characterized in that: the one-way ventilation plate (206) is provided with ventilation holes on the side close to the filter screen (205), so A sealing plate is arranged between the ventilation hole and the filter screen (205), and the upper side of the sealing plate is movably connected with the upper side of the ventilation hole through a pin shaft. 4. The cultural display device for sucking chalk dust for classrooms according to claim 1, wherein the placing frame is provided with a cylindrical brush (302), and the cylindrical brush (302) The upper and lower ends are movably connected with the upper and lower inner walls of the placing frame, the lower end of the placing frame is vertically provided with a rotating rod (303), and the upper end of the rotating rod (303) is perpendicular to the lower middle of the cylindrical brush (302). Fixed connection. 5 . The cultural display device for sucking chalk dust for classrooms according to claim 1 , wherein a cylindrical rod is arranged on the lower side of the chalk dust collection box (204), and the upper end of the cylindrical rod penetrates the chalk dust. 6 . The bottom of the collection box (204), and the upper end of the cylindrical rod is vertically and fixedly connected to the lower middle part of the rotating gear (215), and the lower side of the ash suction box (201) is vertically provided with a toggle rod (212), so The upper end of the toggle rod (212) is vertically and fixedly connected to the lower side of the ash suction box (201). 6 . The cultural display device for sucking chalk dust for classrooms according to claim 1 , characterized in that: the lower side of the square vertical pipe ( 202 ) is provided with a square table-shaped frame, and the upper part of the square table-shaped frame is provided with a square table-shaped frame. The side is fixedly connected to the lower side of the square standpipe (202). 7 . The cultural display device for sucking chalk ash for classrooms according to claim 1 , wherein: the upper side of the ash suction box ( 201 ) is provided with a cover plate, and the lower ends of both sides of the cover plate are fixedly provided with a cover plate. 8 . There is an insert block, a slot is provided on the upper side of the ash suction box (201), the side walls of the slot are provided with limit slots, the side wall of the insert block is provided with an empty slot, and the empty slot is A bar-shaped slot is arranged between them, a limit bar is arranged in the empty slot, the lower end of the limit bar is movably connected with the groove wall of the empty slot, and the upper end of the limit bar is fixedly connected with the bar-shaped slot through a spring, so The upper side of the cover plate is provided with a round rod, and the lower end of the round rod penetrates the cover plate to the strip groove, both ends of the round rod are provided with belts, and the belt is located in the strip groove, and the two sides of the belt are provided with a belt. The ends are respectively fixedly connected with the side wall of the limiting strip and the side wall of the round rod. 8 . The cultural display device for sucking chalk dust in classrooms according to claim 4 , characterized in that: one side of the rotating rod ( 303 ) is provided with an L-shaped plate, and one end of the L-shaped plate is connected to the rotating rod ( 303 ). The lower ends of the rods (303) are fixedly connected, and the lower left end of the placing frame is provided with a turning slot, and the other end of the L-shaped plate is located in the turning slot.

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