CN203713350U - Hand-held cleaning device for chalk dust tank - Google Patents

Abstract

The utility model discloses a hand-held cleaning device for a chalk dust tank. One end of a tank body (1) is sealed by a baffle (5); the other end of the tank body (1) is open, and a dust hopper (6) is arranged below the opening of the end of the tank body (1); a slider (2) is arranged in the tank body (1); the front end wall of the slider (2) is provided with a handle (3); the handle (3) consists of a fixed arm (3a) and a movable arm (3b); the movable arm (3b) can turn over at an angle of 90 degrees in a vertical direction; a hole (8), for the fixed arm (3a) to pass, in the front side wall of the tank body (1) is an elongated hole; the bottom part of the slider (2) is fixedly provided with a sponge (7), and one end, facing the dust hopper (6), of the slider (2) is provided with a push plate (4). According to the hand-held cleaning device disclosed by the utility model, chalk dust and chalk stumps falling into the chalk dust tank can be conveniently and rapidly cleaned.

Description

The hand-held chalk dust ledge device that sweeps up dust

Technical field

The utility model belongs to teaching aid technical field, specifically, and particularly a kind of hand-held chalk dust ledge device that sweeps up dust.

Background technology

Blackboard plays a part very important in teaching practice, applies very extensive.At present, in order to solve the problem of the remaining chalk end of cleaning chalk dust and use, a chalk dust ledge consistent with blackboard length is set mostly under blackboard, in the time that people write on blackboard or after writing, chalk end and used up chalk dust directly fall in this groove, and then sweep with burnisher, though this setting has solved the problem of cleaning chalk end and chalk dust to a certain extent, but be difficult to thoroughly cleaning, and scale removal process is more loaded down with trivial details.For this reason, there is people that a cleaning slide block is set in chalk dust ledge, clear up chalk end and chalk dust by the slip of cleaning slide block.But in the process of sliding at cleaning slide block, chalk end is easy to be stuck in the gap between slide block and cell wall, thereby having hindered slide block continues to push ahead, need to end cleaning work, the chalk end of jam is taken out and just can be proceeded, so on the one hand complex operation, inconvenience; On the other hand, the efficiency of cleaning is low, and the effect of cleaning is also undesirable.

Utility model content

Technical problem to be solved in the utility model is to provide the hand-held chalk dust ledge of a kind of convenient and swift cleaning chalk dust and the chalk end device that sweeps up dust.

The technical solution of the utility model is as follows: a kind of hand-held chalk dust ledge device that sweeps up dust, comprise notch cell body (1) upward, one end of described cell body (1) is sealed by baffle plate (5), the other end of cell body (1) is uncovered, and be provided with ash bucket (6) in the uncovered below of this end of cell body (1), the outline of described ash bucket (6) is up big and down small tetragonous cone table, the one end at this ash bucket (6) top articulates mutually with cell body (1), and the other end at ash bucket (6) top is equipped with convertible handle; Slide block (2) is housed in described cell body (1), the centre position of this slide block (2) front bulkhead is provided with handle (3), described handle (3) is made up of fixed arm (3a) and lever arm (3b), one end of fixed arm (3a) and slide block (2) fix, the other end of fixed arm (3a) stretches out forward outside cell body (1), and hinged with lever arm (3b), lever arm (3b) can be in 90 ° of upsets of above-below direction; The hole (8) that described cell body (1) front side wall passes through for fixed arm (3a) is strip hole, in the fixing sponge (7) in the bottom of described slide block (2), and be provided with push pedal (4) at described slide block (2) towards one end of ash bucket (6), this push pedal (4) is arcuate structure, and arc top and the end of slide block (2) of push pedal (4) fix.

Adopt above technical scheme, when needs are cleared up chalk dust and chalk end, the lever arm of catching handle with hand firmly, slide block is advanced to one end that ash bucket is installed, and in progradation, push pedal is drawn chalk end together in, and promote the direction motion of chalk end towards ash bucket, gap between push pedal and cell body is less, can prevent that chalk end is stuck in the gap between slide block and cell wall, thereby guarantee the smoothness of scale removal process.The most of chalk dusts that retain in groove are also promoted by push pedal, remaining chalk dust first carries out wiping by the sponge of slider bottom and absorption is clean, when slide block movement is to ash bucket when top, chalk end and chalk dust are fallen in ash bucket under the effect of gravity, are collected by ash bucket.After cleaning work completes, the lever arm of handle upwards can be carried out to 90 ° of upsets, can draw upward lever arm in, human body is collided and swipe in order to avoid stretch out in the lever arm of cell body outer wall, effectively prevent the injury to human body.As can be seen here, the utility model is not only time saving and energy saving, and uses very convenient, fastly, and the efficiency of cleaning is high, effective.Ash bucket is tetragonous cone table, and articulates mutually with cell body, and self structure is simple on the one hand, is easy to processing and fabricating, and production cost is low; On the other hand, ash bucket and cell body are easy to connect, and dismounting is very quick, are conducive to topple over fast chalk dust and the chalk end of collection; Meanwhile, convertible handle is installed on ash bucket, can convenient operation and mobile ash bucket.

Described slide block (2) is rectangle hollow structure, and slide block (2) and push pedal (4) are by injection mo(u)lding.Processing and fabricating is easy on the one hand, cost is low for above structure; On the other hand, slide block is good together with the structural strength of push pedal, not yielding or damage.Meanwhile, slide block is comparatively light and handy, operates more laborsaving.

For the ease of grasping, on described lever arm (3b), be set with the little gum cover in two broad in the middle.

For the ease of processing and fabricating, described sponge (7) is by being adhesively fixed on the bottom of slide block (2).

Beneficial effect: the utility model can be cleared up the chalk dust and the chalk end that drop in chalk dust ledge easily and quickly, has the features such as novel, simple in structure, processing ease, cost be low, safe and reliable.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the top view of Fig. 1.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is described in further detail:

As shown in Figure 1 and Figure 2, the utlity model has notch cell body 1 upward, this cell body 1 extends along left and right directions, and is positioned at the below of blackboard, to accept chalk dust and chalk end.The right-hand member of described cell body 1 is sealed by baffle plate 5, the left end of cell body 1 is uncovered, and cell body 1 left end uncovered below be provided with ash bucket 6, the outline of described ash bucket 6 is up big and down small tetragonous cone table, the one end at these ash bucket 6 tops articulates mutually with cell body 1, and the other end at ash bucket 6 tops is equipped with convertible handle.In described cell body 1, slide block 2 is housed, described slide block 2 is rectangle hollow structure, the centre position of these slide block 2 front bulkheads is provided with handle 3, described handle 3 is made up of fixed arm 3a and lever arm 3b, one end of fixed arm 3a and slide block 2 fix, and the other end of fixed arm 3a stretches out forward outside cell body 1, and hinged with lever arm 3b, lever arm 3b can be in 90 ° of upsets of above-below direction, and on lever arm 3b, are set with the little gum cover in two broad in the middle.

As shown in Figure 1 and Figure 2, the hole 8 that described cell body 1 front side wall passes through for fixed arm 3a is strip hole, the left end in this strip hole is near ash bucket 6, and right-hand member arranges sponge 7 near baffle plate 5. in the bottom of described slide block 2, and described sponge 7 is by being adhesively fixed on the bottom of slide block 2.Be provided with push pedal 4 at described slide block 2 towards one end of ash bucket 6, described slide block 2 and push pedal 4 are by injection mo(u)lding, this push pedal 4 is arcuate structure, the arc top of push pedal 4 is integrated mutually with the end of slide block 2, between cell wall corresponding to the rear and front end of described push pedal 4 and cell body 1, there is the gap of 2-5mm, between the bottom of push pedal 4 and the interior diapire of cell body 1, there is the gap of 1-3mm.

The utility model operation principle is as follows:

When needs are cleared up chalk dust and chalk end, first make fixed arm 3a and lever arm 3b keep point-blank, then catch lever arm 3b firmly with hand, slide block 2 is advanced to one end that ash bucket 6 is installed, in progradation, push pedal 4 is drawn chalk end together in, and promotes the direction motion of chalk end 4 towards ash bucket 6; Simultaneously, the most of chalk dusts that retain in groove are also promoted by push pedal 4, and remaining chalk dust carries out wiping by the sponge 7 of slide block 2 bottoms and absorption is clean, in the time that slide block 2 moves to ash bucket 6 top, chalk end and chalk dust are fallen in ash bucket 6 under the effect of gravity, are collected by ash bucket 6.After having cleared up, slide block 2 is got back to low order end, finally upwards pulls lever arm 3b, makes it, with respect to 90 ° of fixed arm 3a upsets, to form folding shape.

Claims (4)

1. the hand-held chalk dust ledge device that sweeps up dust, comprise notch cell body (1) upward, it is characterized in that: one end of described cell body (1) is sealed by baffle plate (5), the other end of cell body (1) is uncovered, and be provided with ash bucket (6) in the uncovered below of this end of cell body (1), the outline of described ash bucket (6) is up big and down small tetragonous cone table, and the one end at this ash bucket (6) top articulates mutually with cell body (1), and the other end at ash bucket (6) top is equipped with convertible handle; Slide block (2) is housed in described cell body (1), the centre position of this slide block (2) front bulkhead is provided with handle (3), described handle (3) is made up of fixed arm (3a) and lever arm (3b), one end of fixed arm (3a) and slide block (2) fix, the other end of fixed arm (3a) stretches out forward outside cell body (1), and hinged with lever arm (3b), lever arm (3b) can be in 90 ° of upsets of above-below direction; The hole (8) that described cell body (1) front side wall passes through for fixed arm (3a) is strip hole, in the fixing sponge (7) in the bottom of described slide block (2), and be provided with push pedal (4) at described slide block (2) towards one end of ash bucket (6), this push pedal (4) is arcuate structure, and arc top and the end of slide block (2) of push pedal (4) fix.

2. the hand-held chalk dust ledge according to claim 1 device that sweeps up dust, is characterized in that: described slide block (2) is rectangle hollow structure, and slide block (2) and push pedal (4) are by injection mo(u)lding.

3. the hand-held chalk dust ledge according to claim 2 device that sweeps up dust, is characterized in that: on described lever arm (3b), be set with the little gum cover in two broad in the middle.

4. the hand-held chalk dust ledge according to claim 1 device that sweeps up dust, is characterized in that: described sponge (7) is by being adhesively fixed on the bottom of slide block (2).