CN108859513B

CN108859513B - Liftable blackboard with clean dust removal function

Info

Publication number: CN108859513B
Application number: CN201810729947.4A
Authority: CN
Inventors: 许香
Original assignee: Lanxi Yingshi Industry And Trade Co Ltd
Current assignee: Lanxi Yingshi Industry And Trade Co Ltd
Priority date: 2018-07-05
Filing date: 2018-07-05
Publication date: 2020-03-06
Anticipated expiration: 2038-07-05
Also published as: CN108859513A

Abstract

The invention discloses a liftable blackboard with a dust cleaning function, wherein a fixed pulley is movably provided with a pull rope, one end of the pull rope is fixed on a first blackboard, and the end of the pull rope, which is far away from the first blackboard, is fixed on a second blackboard; the blackboard is characterized in that racks are symmetrically arranged on the first blackboard, an electric push rod is arranged on the first blackboard, a cleaning rod is fixed at one end, away from the electric push rod, of the connecting block, and the cleaning rod is movably connected with a collecting box. The invention provides a lifting blackboard with a cleaning and dust removing function, wherein the positions of two blackboards can be adjusted up and down according to teaching requirements, meanwhile, the blackboard is provided with a cleaning rod, writing on the blackboard can be erased quickly, chalk dust is collected to prevent pollution, when water washing is needed, only water needs to be added, other steps are not needed, and the operation is simple.

Description

Liftable blackboard with clean dust removal function

Technical Field

The invention relates to the technical field of blackboards, in particular to a lifting blackboard with a cleaning and dust removing function.

Background

The blackboard is a tool which must be used in teaching, the traditional fixed blackboard causes the limit of the area which can be written by a teacher, the blackboard is inconvenient to write when the blackboard is too high, the blackboard is not fully utilized, the physical strength of the teacher is increased, the writing area is wasted, and therefore the blackboard which needs to be lifted is convenient to use; the common blackboard needs to manually erase the writing a little, which is laborious and time-consuming, and raised chalk dust has great harm to the respiratory systems of teachers and students, and after the blackboard is used for a long time, the writing can not be completely erased only by using the blackboard eraser, and the blackboard needs to be cleaned by water washing from time to time.

In the prior art, a blackboard with application number "201610451533.0" comprises a blackboard body, a mounting frame and an angle control mechanism, wherein the blackboard body is in a long strip shape and comprises a first board body and two second board bodies hinged to opposite edges of the first board body, and the second board bodies are respectively positioned at two ends of the blackboard body in the length direction; the first plate body is connected with the mounting frame; the angle control mechanism comprises a telescopic assembly, the telescopic assembly is provided with a first connecting end and a second connecting end, the first connecting end and the second connecting end can be close to and far away from each other, the first connecting end is hinged to a first plate body, the second connecting end is hinged to a second plate body, the blackboard can move up and down, can be moved left and right, can be turned over left and right, helps students to see blackboard contents clearly, reduces physical strength of teachers, and improves blackboard utilization rate.

However, the method still has the obvious defects in the using process: 1. the blackboard is turned over left and right, and the problem that the highest part of the blackboard is inconvenient to write cannot be solved; 2. the writing on the blackboard needs to be erased by a little bit of manpower, which wastes time and labor, and a device for rapidly erasing the blackboard and collecting chalk dust is not provided; 3. the blackboard is used for a long time and needs to be washed by water irregularly, and the blackboard cannot provide a convenient washing device.

Disclosure of Invention

The invention aims to provide a lifting blackboard with a cleaning and dust removing function, which aims to solve the problems in the background technology.

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

a lifting blackboard with a cleaning and dust removing function comprises a frame, a support column, a first blackboard and a second blackboard, wherein the frame is fixedly connected with the support column, the first blackboard is movably arranged on the frame, the second blackboard is movably arranged on the frame, a fixed pulley is fixedly arranged in the frame, a pull rope is movably arranged on the fixed pulley, one end of the pull rope is fixed on the first blackboard, one end of the pull rope, which is far away from the first blackboard, is fixed on the second blackboard, and a switch is arranged outside the frame;

the first blackboard is symmetrically provided with racks, the first blackboard is provided with an electric push rod, the electric push rod is electrically connected with the switch, the electric push rod is provided with a connecting block, one end of the connecting block, which is far away from the electric push rod, is fixedly provided with a cleaning rod, the cleaning rod is movably connected with a collecting box, two ends of the cleaning rod are provided with gears, and the gears are movably arranged on the racks;

the cleaning rod is provided with a cleaning rod inner cavity, an inner rotating rod is arranged in the cleaning rod inner cavity, two ends of the inner rotating rod are connected to gears, a plurality of circular chains are arranged on the inner rotating rod, the circular chains are movably connected with a main gear, the main gear is connected with a first main bevel gear through a connecting rod, the first main bevel gear is movably connected with a first auxiliary bevel gear, the first auxiliary bevel gear is connected with a first fixed block, and a soft brush is arranged on the first fixed block;

the cleaning rod is characterized in that a water storage pipe, a communicating pipe and a water outlet pipe are arranged in an inner cavity of the cleaning rod, the water storage pipe, the communicating pipe and the water outlet pipe are sequentially communicated, a plurality of water outlet holes are formed in the water outlet pipe, a plurality of through holes are formed in the positions, corresponding to the water outlet holes, of the cleaning rod, a through hole is formed in the communicating pipe, a water stop plate is arranged in the communicating pipe, the water stop plate is movably arranged above a supporting plate, a plurality of water through holes are formed in the supporting plate, an operating rod is fixedly connected with the water stop plate, the operating rod is movably arranged in an inner cavity of a fixing block formed by the fixing block II, a fixing rod is fixed at the center of the gear, a main bevel gear II is arranged on the fixing rod, a secondary bevel gear II is.

Preferably, sealing rubber layers are symmetrically arranged in the inner cavity of the fixed block, and blocking blocks are symmetrically arranged on the sealing rubber layers.

Compared with the prior art, the invention has the beneficial effects that:

1. the two blackboards can be lifted up and down, the highest part of the blackboards can be conveniently written, and the utilization rate of the area of the blackboards is improved;

2. the blackboard eraser has the advantages that writing on the blackboard can be conveniently erased, the rotating soft brush increases the cleaning effect, the collection box is used for collecting chalk dust and waste water, the environment cannot be polluted, and the damage of dust to the respiratory systems of teachers and students is reduced;

3. when the blackboard needs to be washed and cleaned, the water is directly stored in the water storage pipe, and the operation is simple.

The invention provides a lifting blackboard with a cleaning and dust removing function, wherein the positions of two blackboards can be adjusted up and down according to teaching requirements, meanwhile, the blackboard is provided with a cleaning rod, writing on the blackboard can be erased quickly, chalk dust is collected to prevent pollution, when water washing is needed, only water needs to be added, other steps are not needed, and the operation is simple.

Drawings

FIG. 1 is a block diagram of the frame of the present invention;

FIG. 2 is a front view of the blackboard of the present invention;

FIG. 3 is a schematic view of a cleaning rod of the present invention;

FIG. 4 is a view showing a structure of the rotation of the fur brush of the present invention;

FIG. 5 is an enlarged view of the cleaning rod of the present invention at A.

In the figure: the blackboard comprises a lifting blackboard 1, a frame 2, a support column 3, a first blackboard 4, a second blackboard 5, a fixed pulley 6, a pull rope 7, a rack 8, an electric push rod 9, a connecting block 10, a cleaning rod 11, a collecting box 12, a gear 13, a cleaning rod inner cavity 14, an internal rotating rod 15, a circular chain 16, a main gear 17, a connecting rod 18, a main bevel gear I19, a bevel gear I20, a fixing block I21, a soft brush 22, a water storage pipe 23, a communicating pipe 24, a water outlet pipe 25, a water outlet 26, a through hole 27, a through hole 28, a water stop plate 29, a support plate 30, a water through hole 31, an operating rod 32, a fixing block II 33, a fixing block inner cavity 34, a sealing rubber layer 35, a blocking block 36, a fixing rod 37, a main bevel gear II 38, a bevel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a liftable blackboard with clean dust removal function, liftable blackboard 1 includes frame 2, support column 3, first blackboard 4 and second blackboard 5, frame 2 and support column 3 are fixed continuous, first blackboard 4 activity sets up on frame 2, second blackboard 5 activity sets up on frame 2, frame 2 internal fixation is provided with fixed pulley 6, the activity is provided with stay cord 7 on the fixed pulley 6, the one end of stay cord 7 is fixed on first blackboard 4, the one end that first blackboard 4 was kept away from to stay cord 7 is fixed on second blackboard 5, frame 2 is provided with switch 61 outward, switch 61 is used for controlling the start-up and the closing of electric putter 9.

The symmetry is provided with rack 8 on first blackboard 4, be provided with electric putter 9 on first blackboard 4, electric putter 9 and switch 61 electric connection, be provided with connecting block 10 on the electric putter 9, the one end that electric putter 9 was kept away from to connecting block 10 is fixed with clean pole 11, clean pole 11 swing joint has collection box 12, collect box 12 and be used for collecting chalk dust and the waste water after the cleanness, it can with clean pole 11 phase separation to collect box 12, removable collection box 12 washs, the both ends of clean pole 11 are provided with gear 13, gear 13 activity sets up on rack 8, gear 13 can rotate on rack 8.

Cleaning rod 11 has been seted up cleaning rod inner chamber 14, be provided with interior dwang 15 in the cleaning rod inner chamber 14, the both ends of interior dwang 15 are all connected in gear 13, when gear 13 rotates, can drive interior dwang 15 and rotate together, be provided with a plurality of ring chain 16 on the interior dwang 15, ring chain 16 swing joint has master gear 17, when ring chain 16 rotates, can drive master gear 17 and rotate, master gear 17 is connected with first main bevel gear 19 through connecting rod 18, first main bevel gear 19 swing joint has first slave bevel gear 20, first main bevel gear 19 drives first slave bevel gear 20 and rotates, first slave bevel gear 20 is connected with first fixed block 21, be provided with soft brush 22 on first fixed block 21, soft brush 22 also can rotate thereupon, improve clean effect.

A water storage pipe 23, a communicating pipe 24 and a water outlet pipe 25 are arranged in the inner cavity 14 of the cleaning rod, the water storage pipe 23, the communicating pipe 24 and the water outlet pipe 25 are sequentially communicated, a water filling port can be arranged on the water storage pipe 23 for adding water, a rubber plug is movably arranged at the water filling port for preventing water from overflowing, a plurality of water outlet holes 26 are arranged on the water outlet pipe 25, a plurality of through holes 27 are arranged at the positions corresponding to the water outlet holes 26 of the cleaning rod 11, a through port 28 is arranged on the communicating pipe 24, a water stop plate 29 is arranged in the communicating pipe 24, the water stop plate 29 can be used for controlling the size of water flow, the water stop plate 29 is movably arranged above a supporting plate 30, a plurality of water through ports 31 are arranged on the supporting plate 30, the supporting plate 30 is used for limiting the positions of the water stop plate 29 and preventing the water stop plate 29 from being separated, an operating rod, the fixed rod 37 is provided with a second main bevel gear 38, the second main bevel gear 38 is movably connected with a second auxiliary bevel gear 39, a connecting rod 40 is fixed on the second auxiliary bevel gear 39, and one end of the connecting rod 40, far away from the second auxiliary bevel gear 39, is fixed on the operating rod 32.

Preferably, a sealing rubber layer 35 is symmetrically arranged in the inner cavity 34 of the fixed block, the sealing rubber layer 35 can ensure that water does not overflow, and a stop block 36 is symmetrically arranged on the sealing rubber layer 35 and used for limiting the movable position of the water stop plate 29.

The working principle is as follows: a pull rope 7 is connected between the first blackboard 4 and the second blackboard 5, the pull rope 7 is movably arranged on the fixed pulley 6, and the positions of the first blackboard 4 and the second blackboard 5 can be pulled and adjusted according to teaching requirements.

When the handwriting on the blackboard needs to be erased, only the switch 61 needs to be started, the switch 61 can be started to push the push rod 9, the electric push rod 9 pushes the cleaning rod 11 and the collecting box 12, the gears 13 at the two ends of the cleaning rod 11 can rotate on the racks 8, the inner rotating rod 15 can rotate along with the inner rotating rod in the rotating process of the gears 13 to drive the circular chain 16 to rotate, so that the main gear 17, the first main bevel gear 19 and the first slave bevel gear 20 are sequentially driven to rotate, and the first slave bevel gear 20 drives the soft brush 22 to rotate through the first fixing block 21 to clean the blackboard; if the blackboard needs to be washed, only water needs to be added into the water storage pipe 23, and then the switch 61 is started, specifically, in the rotating process of the gear 13, the fixing rod 37 fixed at the center of the gear 13 is driven to rotate together, the fixing rod 37 drives the main bevel gear II 38 and the secondary bevel gear II 39 to rotate, the connecting rod 40 fixed on the disc of the secondary bevel gear II 39 can do repeated movement, the operating rod 32 drives the water stop plate 29 to do repeated movement, in the moving process of the water stop plate 29, the size of the exposed area of the water through opening 31 on the support plate 30 is continuously changed and adjusted, so that water flow cannot be instantly finished, and the water flow can be more uniformly distributed in the cleaning process.

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

Claims

1. The utility model provides a liftable blackboard with clean dust removal function which characterized in that: the lifting blackboard (1) comprises a frame (2), a support column (3), a first blackboard (4) and a second blackboard (5), wherein the frame (2) is fixedly connected with the support column (3), the first blackboard (4) is movably arranged on the frame (2), the second blackboard (5) is movably arranged on the frame (2), a fixed pulley (6) is fixedly arranged in the frame (2), a pull rope (7) is movably arranged on the fixed pulley (6), one end of the pull rope (7) is fixed on the first blackboard (4), one end of the pull rope (7) far away from the first blackboard (4) is fixed on the second blackboard (5), and a switch (61) is arranged outside the frame (2);

the blackboard is characterized in that racks (8) are symmetrically arranged on the first blackboard (4), an electric push rod (9) is arranged on the first blackboard (4), the electric push rod (9) is electrically connected with a switch (61), a connecting block (10) is arranged on the electric push rod (9), a cleaning rod (11) is fixed at one end, away from the electric push rod (9), of the connecting block (10), the cleaning rod (11) is movably connected with a collecting box (12), gears (13) are arranged at two ends of the cleaning rod (11), and the gears (13) are movably arranged on the racks (8);

the cleaning rod (11) is provided with a cleaning rod inner cavity (14), an inner rotating rod (15) is arranged in the cleaning rod inner cavity (14), two ends of the inner rotating rod (15) are connected to a gear (13), a plurality of circular chains (16) are arranged on the inner rotating rod (15), a main gear (17) is movably connected to the circular chains (16), the main gear (17) is connected with a first main bevel gear (19) through a connecting rod (18), the first main bevel gear (19) is movably connected with a first slave bevel gear (20), the first slave bevel gear (20) is connected with a first fixed block (21), and a soft brush (22) is arranged on the first fixed block (21);

a water storage pipe (23), a communication pipe (24) and a water outlet pipe (25) are arranged in the inner cavity (14) of the cleaning rod, the water storage pipe (23), the communication pipe (24) and the water outlet pipe (25) are sequentially communicated, a plurality of water outlet holes (26) are formed in the water outlet pipe (25), a plurality of through holes (27) are formed in the cleaning rod (11) at positions corresponding to the water outlet holes (26), a through hole (28) is formed in the communication pipe (24), a water stop plate (29) is arranged in the communication pipe (24), the water stop plate (29) is movably arranged above a supporting plate (30), a plurality of water through holes (31) are formed in the supporting plate (30), an operating rod (32) is fixedly connected to the water stop plate (29), the operating rod (32) is movably arranged in an inner cavity (34) of a fixed block II (33), and a fixed rod (37) is fixed at, a second main bevel gear (38) is arranged on the fixing rod (37), a second auxiliary bevel gear (39) is movably connected to the second main bevel gear (38), a connecting rod (40) is fixed to the second auxiliary bevel gear (39), and one end, far away from the second auxiliary bevel gear (39), of the connecting rod (40) is fixed to the operating rod (32).

2. The liftable blackboard with the function of cleaning and dust removal according to claim 1, characterized in that: sealing rubber layers (35) are symmetrically arranged in the inner cavities (34) of the fixed blocks, and blocking blocks (36) are symmetrically arranged on the sealing rubber layers (35).