CN208558750U

CN208558750U - A kind of dust-free environmental protection type automatic blackboard

Info

Publication number: CN208558750U
Application number: CN201820512632.XU
Authority: CN
Inventors: 赵文博
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-12
Filing date: 2018-04-12
Publication date: 2019-03-01
Anticipated expiration: 2028-04-12

Abstract

The utility model discloses a kind of dust-free environmental protection type automatic blackboards, including cabinet, the upper surface of the cabinet is fixedly connected with power supply, the upper surface of the power supply is fixedly connected with switch, and the output end of power supply is electrically connected with the input terminal of switch, the model LW5D-16 of the switch, the back side of the cabinet wall is fixedly connected with the back side of the first fixed plate, the lower surface of first fixed plate is fixedly connected with the top of electric pushrod, and the bottom end of electric pushrod is fixedly connected with the top of ratch.The dust-free environmental protection type automatic blackboard, pass through the mutual cooperation between electric pushrod, ratch, gear, telescopic rod, the second shaft, threaded post, thread cap, the first board, pulley, second sliding slot and first rotating shaft, so as to complete the use to blackboard, reduce the dust accumulation that blackboard generates when not in use, user of service is allowed to reduce the number using preceding wiping blackboard, personnel are convenient to use, the working strength of user of service is effectively reduced.

Description

A kind of dust-free environmental protection type automatic blackboard

Technical field

The utility model relates to teaching aid technical field, specially a kind of dust-free environmental protection type automatic blackboard.

Background technique

Blackboard is applied to plank, the hard body surface such as cement, to the ink glass of the nineties with blacking from earliest Glass, color coated steel sheet, composite panel etc. have witnessed the development step by step of world's educational undertaking, have conveyed knowledge for the mankind, popularize religion It educates, has made distinctions won on the battlefield.The type of existing blackboard also starts to become complicated multiplicity, is divided into blackboard in color, green plate, blank etc., It is divided into surface plate in shape from color, cambered plate is divided into bracket movable plate from structure composition, draw back plate, and lifter plate is magnetic black Plate is divided into blackboard for education from purposes, blank of handling official business, billboard, display board, and blackboard for education has electronic blackboard, multi-functional Compoboard, combination push-and-pull blackboard, interactive electric whiteboard, band curtain projection plate etc..

A kind of existing Chinese patent " environment friendly blackboard " (patent No.: 206186612 U of CN), the technology which solves are asked Topic is that existing blackboard does not have dust-extraction unit, and the dust for thus having chalk formation is scattering into surrounding, influences surrounding people's Health and health, but the patent has the drawback that and is easy dust accumulation when not in use, and when use, still needs to black Plate is cleaned, and the dust on blackboard surface is removed, and expends the time.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of dust-free environmental protection type automatic blackboard, solves blackboard In the case where not using for a long time, meeting dust accumulation, leads to before to need to wipe personnel in the next use that rag is constantly reached blackboard Upper end, the problem of large labor intensity, arm is easy to ache, influences the wiping effect to blackboard, and wipe low efficiency.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of dust-free environmental protection type automatic blackboard, including Cabinet, the upper surface of the cabinet are fixedly connected with power supply, and the upper surface of the power supply is fixedly connected with switch, and power supply is defeated Outlet is electrically connected with the input terminal of switch, the model LW5D-16 of the switch, and the front of the cabinet wall is fixed with first The back side of plate is fixedly connected, and the lower surface of first fixed plate is fixedly connected with the top of electric pushrod, the electric pushrod Bottom end be fixedly connected with the top of ratch, the ratch is engaged with gear, and the second shaft is fixedly connected in gear, described The left and right ends of second shaft are respectively fixedly connected with there are two threaded post, and the surface of two threaded posts is threaded with two respectively A thread cap, and the upper and lower surfaces of two thread caps fix with the upper and lower surfaces of two groove inner walls connect respectively Connect, and two grooves are provided with the left and right sides of two the first boards respectively, the bottom end of the ratch by telescopic rod with The upper surface of second fixed plate is fixedly connected, and the back side of the second fixed plate is fixedly connected with the front of cabinet wall.

Preferably, the upper and lower surfaces of the cabinet wall are opened up respectively there are two first sliding groove, and two first Be slidably connected respectively in sliding slot there are four sliding block, and the opposite face of four sliding blocks respectively with the upper surface of two the first boards and Lower surface is fixedly connected.

Preferably, the left and right sides of the cabinet offer through-hole, and there are four the back side clampings of the cabinet wall Bearing, and first rotating shaft is socketed in four bearings, and the surface of four first rotating shafts is fixedly connected with pulley, and four cunnings Wheel is slidably connected in second sliding slot, and four second sliding slots are provided with the upper surface and following table of two the first boards respectively Face.

Preferably, the input terminal of the electric pushrod is electrically connected with the output end of switch, and the model of electric pushrod SD50-20。

Preferably, the front of the cabinet is fixedly connected with the second board, the size and first of second board The size of board is identical.

Preferably, the height of first fixed plate is equal to the height of the second fixed plate, and the first fixed plate is consolidated with second The shape of fixed board is rectangle.

(3) beneficial effect

The utility model provides a kind of dust-free environmental protection type automatic blackboard, have it is following the utility model has the advantages that

(1), the dust-free environmental protection type automatic blackboard passes through electric pushrod, ratch, gear, telescopic rod, the second shaft, screw thread Mutual cooperation between column, thread cap, the first board, pulley, second sliding slot and first rotating shaft, when needing using blackboard, By using switch, electric pushrod work, electric pushrod drives ratch rotation, and ratch band moving gear engages, and gear drives second Shaft rotation, the second shaft drive threaded post shaft, and threaded post drives two the first boards mobile by thread cap, while the One board drives two pulleys to move in second sliding slot, turns off the switch, and after usage, when needing to withdraw blackboard, leads to Cross Operation switch, electric pushrod work, electric pushrod drives ratch to move up, and ratch band moving gear rotates, and gear passes through the Two shafts drive threaded post rotation, so that threaded post is driven in two the first board recovery box bodies by thread cap, until multiple Position, so as to complete the use to blackboard, reduces the dust accumulation that blackboard generates when not in use, user of service is reduced Using the number of preceding wiping blackboard, personnel are convenient to use, the working strength of user of service is effectively reduced.

(2), dust-free environmental protection type automatic blackboard, by setting sliding block and first sliding groove, so that threaded post passes through thread cap When driving two the first boards mobile, two the first board band movable sliders move in first sliding groove, improve device Stability avoids two the first boards and is detached from cabinet.

(3), dust-free environmental protection type automatic blackboard, by the way that telescopic rod is arranged, so that electric pushrod drives ratch to move up and down While, ratch drives telescopic rod to move up and down, so that device is more stable when ratch band moving gear rotates, and the utility model Which has a compact structure and a reasonable design, it is practical.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure that the utility model is faced；

Fig. 2 is the structural schematic diagram that the utility model is faced；

Fig. 3 is the structural schematic diagram of the portion the utility model A amplification.

In figure: 1 cabinet, 2 first fixed plates, 3 electric pushrods, 4 ratch, 5 first sliding grooves, 6 sliding blocks, 7 first rotating shafts, 8 axis Hold, 9 pulleys, 10 through-holes, 11 second sliding slots, 12 first boards, 13 grooves, 14 threaded posts, 15 thread caps, 16 second shafts, 17 gears, 18 telescopic rods, 19 second fixed plates, 20 power supplys, 21 switches, 22 second boards.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of dust-free environmental protection type automatic blackboard, including case Body 1, the upper and lower surfaces of 1 inner wall of cabinet are opened up respectively there are two first sliding groove 5, pass through setting sliding block 6 and first sliding groove 5, when so that threaded post 14 driving two the first boards 12 mobile by thread cap 15, two the first boards 12 are with movable slider 6 move in first sliding groove 5, improve the stability of device, avoid two the first boards 12 and occur to take off out of cabinet 1 From, and be slidably connected respectively in two first sliding grooves 5 there are four sliding block 6, and the opposite face of four sliding blocks 6 respectively with two first The upper and lower surfaces of board 12 are fixedly connected, and the upper surface of cabinet 1 is fixedly connected with power supply 20, the upper surface of power supply 20 It is fixedly connected with switch 21, by the way that switch 21 is arranged, so that staff is more square to the control of 3 working condition of electric pushrod Just, and the output end of power supply 20 is electrically connected with the input terminal of switch 21, and the model LW5D-16 of switch 21,1 inner wall of cabinet is just Face is fixedly connected with the back side of the first fixed plate 2, and the left and right sides of cabinet 1 offer through-hole 10, the back side of 1 inner wall of cabinet There are four bearings 8 for clamping, and are socketed with first rotating shaft 7 in four bearings 8, by the way that first rotating shaft 7 is arranged, so that first writes When plate 12 is rotated with movable pulley 9, pulley 9 drives first rotating shaft 7 to rotate in first bearing 8, and the surface of four first rotating shafts 7 It is fixedly connected with pulley 9, and four pulleys 9 are slidably connected in second sliding slot 11, and four second sliding slots 11 open up respectively In the upper and lower surfaces of two the first boards 12, the fixed company in the lower surface of the first fixed plate 2 and the top of electric pushrod 3 It connects, by the way that electric pushrod 3 is arranged, electric pushrod 3 drives ratch 4 to rotate, and ratch 4 is engaged with moving gear 17, and gear 17 drives the The rotation of two shafts 16, the second shaft 16 drive 14 shaft of threaded post, and threaded post 14 drives two first by thread cap 15 and writes Plate 12 is mobile, while the first board 12 drives two pulleys 9 to rotate in second sliding slot 11, the input terminal of electric pushrod 3 with The output end of switch 21 is electrically connected, and the model SD50-20 of electric pushrod 3, the bottom end of electric pushrod 3 and the top of ratch 4 It is fixedly connected, ratch 4 is engaged with gear 17, and the second shaft 16 is fixedly connected in gear 17, the left and right two of the second shaft 16 Threaded post 14 there are two being respectively fixedly connected with is held, and the surface of two threaded posts 14 is threadedly coupled respectively there are two thread cap 15, And the upper and lower surfaces of two thread caps 15 are fixedly connected with the upper and lower surfaces of two 13 inner walls of groove respectively, and Two grooves 13 are provided with the left and right sides of two the first boards 12 respectively, and the front of cabinet 1 is fixedly connected with second and writes Letter stencil 22, the size of the second board 22 is identical as the size of the first board 12, by the way that the second board 22 is arranged, improves The size of board, is convenient to use use of the personnel to blackboard, and the bottom end of ratch 4 passes through telescopic rod 18 and the second fixed plate 19 Upper surface be fixedly connected, and the back side of the second fixed plate 19 is fixedly connected with the front of 1 inner wall of cabinet, the first fixed plate 2 Height is equal to the height of the second fixed plate 19, and the shape of the size of the first fixed plate 2 and the second fixed plate 19 is rectangle.

In use, by using switch 21, electric pushrod 3 works, and electric pushrod 3 is with movable tooth when needing using blackboard Bar 4 rotates, and ratch 4 is engaged with moving gear 17, and gear 17 drives the rotation of the second shaft 16, and the second shaft 16 drives 14 turns of threaded post Axis, threaded post 14 drives two the first boards 12 mobile by thread cap 15, while the first board 12 drives two pulleys 9 It is rotated in second sliding slot 11, turns off the switch 21, it is after usage, electronic by Operation switch 21 when needing to withdraw blackboard Push rod 3 works, and electric pushrod 3 drives ratch 4 to move up, and ratch 4 is rotated with moving gear 17, and gear 17 passes through the second shaft 16 Threaded post 14 is driven to rotate, so that threaded post 14 drives two the first boards 12 to withdraw in cabinet 1 by thread cap 15, until It resets, so as to complete the use to blackboard.

It can to sum up obtain, the dust-free environmental protection type automatic blackboard, pass through electric pushrod 3, ratch 4, gear 17, telescopic rod 18, It is mutual between two shafts 16, threaded post 14, thread cap 15, the first board 12, pulley 9, second sliding slot 11 and first rotating shaft 7 Cooperation, when needing using blackboard, by using switch 21, electric pushrod 3 works, and electric pushrod 3 drives ratch 4 to rotate, tooth Bar 4 is engaged with moving gear 17, and gear 17 drives the rotation of the second shaft 16, and the second shaft 16 drives threaded post 14 to rotate, threaded post 14 drive two the first boards 12 mobile by thread cap 15, while the first board 12 drives two pulleys 9 sliding second Rotation, turns off the switch 21, after usage, when needing to withdraw blackboard, passes through Operation switch 21,3 work of electric pushrod in slot 11 Make, electric pushrod 3 drives ratch 4 to move up, and ratch 4 is rotated with moving gear 17, and gear 17 drives spiral shell by the second shaft 16 Line column 14 rotates, so that threaded post 14 drives two the first boards 12 to withdraw in cabinet 1 by thread cap 15, until reset, So as to complete the use to blackboard, reduce the dust accumulation that blackboard generates when not in use, user of service, which is reduced, to be made With the number of preceding wiping blackboard, personnel are convenient to use, the working strength of user of service is effectively reduced.

Meanwhile the dust-free environmental protection type automatic blackboard, by setting sliding block 6 and first sliding groove 5, so that threaded post 14 passes through spiral shell When line cap 15 drives two the first boards 12 mobile, two the first boards 12 move in first sliding groove 5 with movable slider 6, The stability for improving device avoids two the first boards 12 and is detached from cabinet 1.

Meanwhile the dust-free environmental protection type automatic blackboard, by the way that telescopic rod 18 is arranged, so that electric pushrod 3 drives about 4 ratch While mobile, ratch 4 drives telescopic rod 18 to move up and down, so that device is more stable when ratch 4 is rotated with moving gear 17, and The utility model which has a compact structure and a reasonable design, it is practical.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of dust-free environmental protection type automatic blackboard, including cabinet (1), it is characterised in that: the upper surface of the cabinet (1) is fixed to be connected It is connected to power supply (20), the upper surface of the power supply (20) is fixedly connected with switch (21), and the output end and switch of power supply (20) (21) input terminal electrical connection, the model LW5D-16 of the switch (21), the front of cabinet (1) inner wall are consolidated with first The back side of fixed board (2) is fixedly connected, and the lower surface of first fixed plate (2) is fixedly connected with the top of electric pushrod (3), institute The bottom end for stating electric pushrod (3) is fixedly connected with the top of ratch (4), and the ratch (4) is engaged with gear (17), and gear (17) it is fixedly connected with the second shaft (16) in, the left and right ends of second shaft (16) are respectively fixedly connected with there are two screw thread Column (14), and the surface of two threaded posts (14) is threadedly coupled respectively there are two thread cap (15), and two thread caps (15) Upper and lower surfaces are fixedly connected with the upper and lower surfaces of two groove (13) inner walls respectively, and two grooves (13) point It is not provided with the left and right sides of two the first boards (12), the bottom end of the ratch (4) passes through telescopic rod (18) and second The upper surface of fixed plate (19) is fixedly connected, and the back side of the second fixed plate (19) is fixedly connected with the front of cabinet (1) inner wall.

2. a kind of dust-free environmental protection type automatic blackboard according to claim 1, it is characterised in that: cabinet (1) inner wall Upper and lower surfaces are opened up respectively there are two first sliding groove (5), and there are four being slidably connected respectively in two first sliding grooves (5) Sliding block (6), and the opposite face of four sliding blocks (6) is fixed with the upper and lower surfaces of two the first boards (12) connect respectively It connects.

3. a kind of dust-free environmental protection type automatic blackboard according to claim 1, it is characterised in that: the left and right of the cabinet (1) Two sides offer through-hole (10), and there are four bearing (8) for the back side clamping of cabinet (1) inner wall, and in four bearings (8) It is socketed with first rotating shaft (7), and the surface of four first rotating shafts (7) is fixedly connected with pulley (9), and four pulleys (9) are equal It is slidably connected in second sliding slot (11), and four second sliding slots (11) are provided with the upper table of two the first boards (12) respectively Face and lower surface.

4. a kind of dust-free environmental protection type automatic blackboard according to claim 1, it is characterised in that: the electric pushrod (3) Input terminal is electrically connected with the output end of switch (21), and the model SD50-20 of electric pushrod (3).

5. a kind of dust-free environmental protection type automatic blackboard according to claim 1, it is characterised in that: the front of the cabinet (1) It is fixedly connected with the second board (22), the size of second board (22) is identical as the size of the first board (12).

6. a kind of dust-free environmental protection type automatic blackboard according to claim 1, it is characterised in that: first fixed plate (2) Height be equal to the height of the second fixed plate (19), and the shape of the first fixed plate (2) and the second fixed plate (19) is rectangle.