CN216783152U

CN216783152U - Blackboard eraser with dust removal function

Info

Publication number: CN216783152U
Application number: CN202123242738.3U
Authority: CN
Inventors: 陈坤娣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-21
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a blackboard eraser, in particular to a blackboard eraser with a dust removal function. The technical problem of the utility model is that: provided is a blackboard eraser with a dust removal function, which can shake off chalk dust. The utility model provides a blackboard eraser with a dust removal function, which comprises a fixed seat, an eraser, a placing mechanism and a shaking mechanism, wherein the placing mechanism is arranged at the upper part of one side of the fixed seat, the eraser is placed on the placing mechanism, and the shaking mechanism is arranged at the lower part of one side of the fixed seat. By matching the placing mechanism and the shaking mechanism, the chalk dust stuck on the blackboard eraser can be automatically shaken off when people wipe the blackboard, and the blackboard eraser can be replaced at any time; according to the utility model, by the dust removal mechanism, the chalk dust generated by erasing the blackboard can be automatically collected and treated, and the chalk dust is prevented from being accumulated below the blackboard.

Description

Blackboard eraser with dust removal function

Technical Field

The utility model relates to a blackboard eraser, in particular to a blackboard eraser with a dust removal function.

Background

The blackboard eraser is a tool used together with a blackboard, and is commonly used in classrooms to erase chalks on the blackboard, so that the blackboard can be reused.

However, after the existing blackboard eraser is used for a period of time, more chalk dust can be attached to the blackboard eraser, so that the blackboard eraser is not clean, and when the blackboard eraser is used, more chalk dust can fall below the blackboard, and a student needs to clean the blackboard every day, so that the blackboard eraser is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the blackboard eraser is not clean due to the fact that more chalk dust can be attached to the blackboard eraser, the utility model has the technical problems that: provided is a blackboard eraser with a dust removal function, which can shake off chalk dust.

The technical implementation scheme of the utility model is as follows: the blackboard eraser with the dust removal function comprises a fixed seat, an eraser, a placing mechanism and a shaking mechanism, wherein the placing mechanism is arranged on the upper portion of one side of the fixed seat, the eraser is placed on the placing mechanism, and the shaking mechanism is arranged on the lower portion of one side of the fixed seat.

Optionally, place the mechanism including guide rail, base, dead lever, fixture block and spring, fixing base one side upper portion longitudinal symmetry is equipped with the guide rail, and the slidingtype is equipped with the base between guide rail one side, and the wooden sassafras is placed in base one side, and the equal longitudinal symmetry in base both sides is equipped with the dead lever, and the equal rotary type in dead lever middle part is equipped with the fixture block, and fixture block wooden sassafras all is equipped with the spring between the dead lever of both sides and homonymy about the fixture block.

Optionally, the shaking mechanism includes a first rack, a second rack, a motor, a first gear, a second rotating shaft, a second gear, a third rotating shaft, a second pulley assembly, a third pulley assembly and a gear-lacking wheel, the lower part of the inner side of the base is provided with the first rack, the lower part of the inner side of the base is provided with the second rack, one side of the lower part of the fixing base is provided with the motor, one side of the output shaft of the motor is provided with the first gear, the lower part of one side of the fixing base is rotatably provided with the second rotating shaft, one side of the second rotating shaft is provided with the second gear, the second gear is engaged with the first gear, the lower part of one side of the fixing base is symmetrically rotatably provided with the third rotating shaft, the third rotating shaft is provided with the second pulley assembly between the third rotating shaft and one side of the second rotating shaft, the third pulley assembly is provided between one side of the third rotating shaft, the middle part of the third rotating shaft is provided with the gear-lacking wheel, and the first rack and the second rack are matched with the gear-lacking wheel on the same side.

Optionally, the dust removal device comprises a dust removal mechanism, the dust removal mechanism comprises a supporting block, a first rotating shaft, a fan blade, a first belt pulley assembly, a collection box and a filter screen, the collection box is arranged on the lower portion of the fixing base, the supporting block is arranged on the upper portion of one side of the collection box, the upper portion of the supporting block is connected with the fixing base, the first rotating shaft is arranged in a symmetrical rotating mode on the lower portion of the supporting block, the fan blade is arranged in the middle of the first rotating shaft and is located inside the supporting block, the first belt pulley assembly is arranged between the first rotating shaft and the third rotating shaft on the same side, and the filter screen is arranged on the upper portion of one side of the collection box.

Optionally, still including spraying mechanism, spraying mechanism is equipped with the sleeve including sleeve, slide bar, output tube, shower nozzle and plug, fixing base upper portion one side, and the inboard lower part slidingtype of sleeve is equipped with the slide bar, and the sleeve top symmetry is equipped with the output tube, and output tube upper portion all is equipped with the shower nozzle, and sleeve one side upper portion is movable is equipped with the plug.

Optionally, the plug is resilient.

Compared with the prior art, the utility model has the following advantages: 1. by matching the placing mechanism and the shaking mechanism, the blackboard eraser can automatically shake off chalk dust adhered to the blackboard eraser when people erase a blackboard, and the blackboard eraser can be replaced at any time.

2. According to the utility model, by the dust removal mechanism, the chalk dust generated by erasing the blackboard can be automatically collected and treated, and the chalk dust is prevented from being accumulated below the blackboard.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the placement mechanism of the present invention.

Fig. 3 is a schematic perspective view of the shaking mechanism of the present invention.

Fig. 4 is a schematic perspective view of the dust removing mechanism of the present invention.

Fig. 5 is a schematic perspective view of the spraying mechanism of the present invention.

The meaning of the reference symbols in the figures: 1: fixing base, 11: blackboard eraser, 2: placement mechanism, 21: guide rail, 22: base, 24: fixing rod, 25: a latch, 26: spring, 3: dust removal mechanism, 31: supporting block, 32: first rotating shaft, 33: fan blades, 34: first pulley assembly, 35: collection box, 36: a filter screen, 4: shaking mechanism, 41: first rack, 42: second rack, 43: motor, 44: first gear, 45: second rotating shaft, 46: second gear, 47: third rotating shaft, 48: second pulley assembly, 49: third pulley assembly, 410: gear missing, 5: spraying mechanism, 51: sleeve, 52: slide bar, 53: output pipe, 54: spray head, 55: a rubber plug.

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.

Example 1

A blackboard eraser with a dust removal function is shown in fig. 1, 2 and 3 and comprises a fixed seat 1, a blackboard eraser 11, a placing mechanism 2 and a shaking mechanism 4, wherein the placing mechanism 2 is arranged on the upper portion of the front side of the fixed seat 1, the blackboard eraser 11 is placed on the placing mechanism 2, and the shaking mechanism 4 is arranged on the lower portion of the front side of the fixed seat 1.

The placing mechanism 2 comprises a guide rail 21, a base 22, a fixing rod 24, a clamping block 25 and a spring 26, the guide rail 21 is symmetrically arranged on the upper portion of the front side of the fixing seat 1 in the vertical direction, the base 22 is slidably arranged between the front sides of the guide rail 21, the eraser plate 11 is placed on the front side of the base 22, the fixing rod 24 is symmetrically arranged on the left side and the right side of the base 22 in the vertical direction, the clamping block 25 is rotatably arranged in the middle of the fixing rod 24, the eraser plate 11 is clamped by the clamping block 25, and the spring 26 is arranged between the upper side and the lower side of the clamping block 25 and the fixing rod 24 on the same side.

The shaking mechanism 4 comprises a first rack 41, a second rack 42, a motor 43, a first gear 44, a second rotating shaft 45, a second gear 46, a third rotating shaft 47, a second belt pulley component 48, a third belt pulley component 49 and a gear lack 410, the first rack 41 is arranged on the right side of the lower part of the inner side of the base 22, the second rack 42 is arranged on the left side of the lower part of the inner side of the base 22, the motor 43 is arranged on the right side of the lower part of the fixing seat 1, the first gear 44 is arranged on the front side of the output shaft of the motor 43, the second rotating shaft 45 is rotatably arranged on the right side of the lower part of the front side of the fixing seat 1, the second gear 46 is arranged on the rear side of the second rotating shaft 45, the second gear 46 is meshed with the first gear 44, the third rotating shaft 47 is rotatably arranged on the left and right side of the lower part of the front side of the fixing seat 1, the second belt pulley component 48 is arranged between the third rotating shaft 47 on the right side and the front side of the second rotating shaft 45, the third belt pulley component 49 is arranged between the front sides of the third rotating shaft 47, the third rotating shaft 47 is provided with a gear 410 in the middle, and the first rack 41 and the second rack 42 are matched with the gear 410 on the same side.

When people need to use the blackboard eraser, the people hold the fixed seat 1 by hand, then cling the blackboard eraser 11 to the blackboard, and then move the blackboard eraser, so that the blackboard eraser can be cleaned, meanwhile, the motor 43 can be started, the output shaft of the motor 43 drives the first gear 44 and the second rotating shaft 45 to rotate, the second rotating shaft 45 drives the third rotating shaft 47 and the absent gear 410 on the right side to rotate through the second belt pulley assembly 48, so that the third rotating shaft 47 and the absent gear 410 on the left side are driven to rotate through the third belt pulley assembly 49, when the absent gear 410 on the right side is meshed with the first rack 41, the first rack 41 and the base 22 are driven to move to the left, the base 22 drives all the components on the base to move to the left, when the absent gear 410 on the right side is separated from the first rack 41, the first rack 41 and the absent gear 410 on the left side is meshed with the second rack 42, the second rack 42 and the base 22 are driven to move to the right, when the blackboard eraser needs to be replaced, firstly, the four clamping blocks 25 rotate outwards to release the blackboard eraser, the spring 26 deforms, then the blackboard eraser can be taken away, the next blackboard eraser is put in, the clamping blocks 25 are released, the spring 26 restores the original shape, and the clamping blocks 25 are driven to rotate, reset and clamp the blackboard eraser again.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 4 and 5, the dust removing device further includes a dust removing mechanism 3, the dust removing mechanism 3 includes a supporting block 31, a first rotating shaft 32, blades 33, a first pulley assembly 34, a collecting box 35 and a filter screen 36, the collecting box 35 is disposed on the lower portion of the fixing base 1, the supporting block 31 is disposed on the upper portion of the front side of the collecting box 35, the upper portion of the supporting block 31 is connected with the fixing base 1, the first rotating shaft 32 is disposed on the lower portion of the supporting block 31 in a bilateral symmetry rotation manner, the blades 33 are disposed in the middle of the first rotating shaft 32, the blades 33 are disposed inside the supporting block 31, the first pulley assembly 34 is disposed between the front sides of the first rotating shaft 32 and the third rotating shaft 47 on the same side, and the filter screen 36 is disposed on the upper portion of the rear side of the collecting box 35.

When people start motor 43 to drive third pivot 47 and rotate, third pivot 47 drives first pivot 32 and flabellum 33 through first pulley subassembly 34 and rotates, flabellum 33 can be with the chalk dust suction collection box 35 in, filter screen 36 can avoid the chalk dust to fly out, when people closed motor 43, first pivot 32 and flabellum 33 stall, then by people's manual chalk dust that will collect in the box 35 handle, thereby make things convenient for people to collect the processing to chalk dust.

The spraying device is characterized by further comprising a spraying mechanism 5, wherein the spraying mechanism 5 comprises a sleeve 51, a sliding rod 52, an output pipe 53, a spray head 54 and a rubber plug 55, the sleeve 51 is arranged on the front side of the upper portion of the fixing seat 1, the sliding rod 52 is arranged on the lower portion of the inner side of the sleeve 51 in a sliding mode, the output pipe 53 is symmetrically arranged on the left side and the right side of the top of the sleeve 51, the spray head 54 is arranged on the upper portion of the output pipe 53, and the rubber plug 55 is movably arranged on the upper portion of the rear side of the sleeve 51.

When people need to clean the blackboard eraser, the rubber plug 55 can be pulled out, water is added into the sleeve 51, the rubber plug 55 is placed back to the original position, when people need to clean the blackboard, the sliding rod 52 is pushed upwards, the sliding rod 52 extrudes the water in the sleeve 51 to be sprayed on the blackboard through the output pipe 53 and the spray head 54, therefore, people can clean the blackboard conveniently, and finally the sliding rod 52 is stopped being pushed.

The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the utility model are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.

Claims

1. The blackboard eraser with the dust removal function comprises a fixed seat (1) and a blackboard eraser (11), and is characterized by further comprising a placing mechanism (2) and a shaking mechanism (4), wherein the placing mechanism (2) is arranged at the upper part of one side of the fixed seat (1), the blackboard eraser (11) is placed on the placing mechanism (2), and the shaking mechanism (4) is arranged at the lower part of one side of the fixed seat (1);

the placing mechanism (2) comprises guide rails (21), a base (22), fixing rods (24), clamping blocks (25) and springs (26), the guide rails (21) are symmetrically arranged on the upper portion of one side of the fixing base (1) in an up-down mode, the base (22) is slidably arranged between one sides of the guide rails (21), the eraser (11) is placed on one side of the base (22), the fixing rods (24) are symmetrically arranged on the two sides of the base (22) in the up-down mode, the clamping blocks (25) are rotatably arranged in the middle of the fixing rods (24), the eraser (11) is clamped by the clamping blocks (25), and the springs (26) are arranged between the upper side and the lower side of each clamping block (25) and the fixing rods (24) on the same side;

the shaking mechanism (4) comprises a first rack (41), a second rack (42), a motor (43), a first gear (44), a second rotating shaft (45), a second gear (46), a third rotating shaft (47), a second belt pulley component (48), a third belt pulley component (49) and a gear lacking wheel (410), the lower part of the inner side of the base (22) is provided with the first rack (41), the lower part of the inner side of the base (22) is provided with the second rack (42), one side of the lower part of the fixing seat (1) is provided with the motor (43), one side of the output shaft of the motor (43) is provided with the first gear (44), the lower part of one side of the fixing seat (1) is rotatably provided with the second rotating shaft (45), one side of the second rotating shaft (45) is provided with the second gear (46), the second gear (46) is meshed with the first gear (44), the lower part of one side of the fixing seat (1) is symmetrically and rotatably provided with the third rotating shaft (47), and the second belt pulley component (48) is arranged between the third rotating shaft (47) and one side of the second rotating shaft (45), a third belt pulley assembly (49) is arranged between one sides of the third rotating shafts (47), the middle parts of the third rotating shafts (47) are provided with gear-lacking wheels (410), and the first rack (41) and the second rack (42) are matched with the gear-lacking wheels (410) on the same side.

2. The blackboard eraser with the dust removal function according to claim 1, further comprising a dust removal mechanism (3), wherein the dust removal mechanism (3) comprises a supporting block (31), a first rotating shaft (32), and fan blades (33), first pulley subassembly (34), collect box (35) and filter screen (36), fixing base (1) lower part is equipped with collects box (35), it is equipped with supporting shoe (31) to collect box (35) one side upper portion, supporting shoe (31) upper portion is connected with fixing base (1), supporting shoe (31) lower part symmetry rotary type is equipped with first pivot (32), first pivot (32) middle part all is equipped with flabellum (33), flabellum (33) all are located inside supporting shoe (31), all be equipped with first pulley subassembly (34) between first pivot (32) and third pivot (47) one side of homonymy, it is equipped with filter screen (36) to collect box (35) one side upper portion.

3. The blackboard eraser with the dust removal function according to claim 2, further comprising a spraying mechanism (5), wherein the spraying mechanism (5) comprises a sleeve (51), a sliding rod (52), an output pipe (53), a nozzle (54) and a rubber plug (55), the sleeve (51) is arranged on one side of the upper portion of the fixing seat (1), the sliding rod (52) is arranged on the lower portion of the inner side of the sleeve (51) in a sliding manner, the output pipes (53) are symmetrically arranged on the top of the sleeve (51), the nozzle (54) is arranged on the upper portion of each output pipe (53), and the rubber plug (55) is movably arranged on the upper portion of one side of the sleeve (51).

4. The blackboard eraser with dust removal function according to claim 3, characterized in that the rubber plug (55) has elasticity.