CN208946947U - A kind of blackboard eraser being convenient to clean - Google Patents

Abstract

The utility model discloses a kind of blackboard erasers being convenient to clean, including scrubbing brush box, storage box and blackboard eraser bar, the rear surface of the scrubbing brush box is fixed with scrubbing brush, the right lateral surface of the scrubbing brush box is welded with convex block, the left-hand face wall surface of the storage box offers card slot slideway, the upper end left-hand face of the storage box is fixed with shaft, the right side upper end interior surface of the storage box opens up fluted, the rear surface of the storage box is welded with blackboard eraser body, the front-end surface of the telescopic rod is welded with thread head, the telescopic rod passes through thread head, connector and screw thread item and scrubbing brush box are connected with each other, the rear surface of the scrubbing brush and sponge cloth is mounted on pedestal, the interior surface of the pedestal equidistantly offers suction inlet, the right end face of the feed inlet is welded with micro-blower.The blackboard eraser being convenient to clean is convenient to clean the dust that chassis interior is saved bit by bit, and two kinds of blackboard eraser materials have the effect of dual clean, and the shorter classmate of height also can easily use.

Description

A kind of blackboard eraser being convenient to clean

Technical field

The utility model relates to field of Educational Technology, specially a kind of blackboard eraser being convenient to clean.

Background technique

With the continuous development of science and technology, the production equipment of education sector also grows with each passing hour, and blackboard eraser is teaching process In indispensable tool, the trace being mainly used on erasing blackboard to realize write again, extensive use has been obtained.

The blackboard eraser of many schools will be stained with dust under wiping two, and needing to pat dry in time could continue to wipe only, be easy by people Body sucking, and it is time-consuming and laborious, it can also leave scratch, can not wipe clean completely, many blackboard erasers without handle, work as height Shorter student can't reach often when erasing the board, or even the height for improving oneself by stool is also needed to go to erase the board, more There is inconvenience.

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 blackboard eraser being convenient to clean, and solves existing The blackboard eraser of many schools will be stained with dust under wiping two, and needing to pat dry in time could continue to wipe only, be easy to be sucked by human body, and It is time-consuming and laborious, it can also leave scratch, can not wipe clean completely, many blackboard erasers are without handle, when shorter It is raw to can't reach often, or even the height for improving oneself by stool is also needed to go to erase the board when erasing the board, there is inconvenience more Problem.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of blackboard eraser being convenient to clean, including plate Brush box, storage box and blackboard eraser bar, the rear surface of the scrubbing brush box is fixed with scrubbing brush, and the front-end surface of scrubbing brush box offers company Interface, and the interior surface of connector is welded with screw thread item, and the right lateral surface of the scrubbing brush box is welded with convex block, the storage The left-hand face wall surface of box offers card slot slideway, and storage box is connected with each other by card slot slideway and convex block and scrubbing brush box, institute The upper end left-hand face for stating storage box is fixed with shaft, and storage box is rotatablely connected by shaft and box cover, and storage box The rear surface of upper end face and box cover mutually coincide connection, the right side upper end interior surface of the storage box open up it is fluted, And the inside of groove is fixed flexible fast, and the right hand external surface of groove is fixed with push switch, under the storage box End surfaces are welded with blackboard eraser body, and the surface of blackboard eraser body is respectively and fixedly provided with thread gluing, and the surface of thread gluing is fixed with sponge cloth, simultaneously Sponge cloth is connected with each other by thread gluing and blackboard eraser body, and the outer surface of the blackboard eraser bar is fixed with adjusting knob, and blackboard eraser bar is upper End interior surface is fixed with telescopic rod, and the front-end surface of the telescopic rod is welded with thread head, and thread head by connector with Screw thread item is connected with each other, and the telescopic rod is connected with each other by thread head, connector and screw thread item and scrubbing brush box, the scrubbing brush with The rear surface of sponge cloth is mounted on pedestal, and the external rear surface of pedestal is fixed with strip, and the lower end table of pedestal Face, which is equipped with, connects dirt lid, while connecing dirt lid and being connected with each other by strip and pedestal, and the interior surface of the pedestal equidistantly opens up Have a suction inlet, and the right lateral surface of pedestal is equipped with delivery pipe, and the right lateral surface of delivery pipe is fixed with feed inlet, it is described into The right end face of material mouth is welded with micro-blower, and the right end face of micro-blower is welded with discharge port, and discharge port Right end face be screwed and have dust-collecting box.

Preferably, the scrubbing brush box forms slide construction by convex block and card slot slideway and storage box, and convex block is transversal Face length value is identical as the length value of card slot slideway, and convex block and card slot slideway are strong magnetic material, at the same convex block with The adjacent surface of card slot slideway synonyms pole each other.

Preferably, the longitudinal section thickness value of the scrubbing brush is greater than the longitudinal section thickness value of scrubbing brush box, and before scrubbing brush The front-end surface of end surfaces and scrubbing brush box is in same level.

Preferably, the box cover constitutes turnover mechanism by shaft and storage box, and storage box and groove are fast by elasticity Elastic construction, and the interior lower end surface of the combined shaped rear surface and pedestal of scrubbing brush and sponge cloth are formed with push switch Area same size is equal.

Preferably, the blackboard eraser body forms bonded structure by thread gluing and sponge cloth.

Preferably, the blackboard eraser bar passes through thread head and connector and scrubbing brush box composition disassembly mounting structure.

Preferably, the pedestal and connect the rectangular configuration that dirt lid is inner hollow, and the external rear surface of pedestal and The upper end interior surface for connecing dirt lid, which is mutually coincide, to be connected.

(3) beneficial effect

The utility model provides a kind of blackboard eraser being convenient to clean.Have it is following the utility model has the advantages that

(1), the blackboard eraser being convenient to clean facilitates receipts by the sliding of scrubbing brush box, convex block, card slot slideway and storage box The assembling and fractionation of case and scrubbing brush box, can be used alone after fractionation, be convenient for changing the sponge cloth of storage box bottom, increase blackboard The cooperation of the service life of wiping, two kinds of blackboard eraser materials can achieve the effect of dual clean.

(2), the blackboard eraser being convenient to clean makes height by the connection of telescopic rod, thread head, connector and screw thread item Shorter classmate also can easily use, and increase without external force, avoid the dangerous situation that therefore may cause.

(3), the blackboard eraser being convenient to clean is connected by pedestal, strip with the cutting ferrule for connecing dirt lid, in easy cleaning pedestal The dust saved bit by bit, prolongs the service life, to guarantee pedestal to the dust suction cleaning effect of blackboard eraser.

Detailed description of the invention

Fig. 1 is the utility model blackboard eraser overall structure diagram；

Fig. 2 is the utility model storage box and blackboard eraser body side structure schematic view；

Fig. 3 is the utility model telescopic rod and storage box attachment structure schematic diagram；

Fig. 4 is the utility model blackboard eraser overlooking structure diagram.

In figure: 1, scrubbing brush box；2, scrubbing brush；3, connector；4, screw thread item；5, convex block；6, storage box；7, card slot slideway；8, Shaft；9, box cover；10, groove；11, elasticity is fast；12, push switch；13, blackboard eraser body；14, thread gluing；15, sponge cloth；16, blackboard eraser Bar；17, adjusting knob；18, telescopic rod；19, thread head；20, pedestal；21, strip；22, dirt lid is connect；23, suction inlet；24, it conveys Pipe；25, feed inlet；26, micro-blower；27, discharge port；28, dust-collecting box.

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 Figs 1-4, the utility model provides a kind of technical solution: a kind of blackboard eraser being convenient to clean, including scrubbing brush Box 1, scrubbing brush 2, connector 3, screw thread item 4, convex block 5, storage box 6, card slot slideway 7, shaft 8, box cover 9, groove 10, elasticity are fast 11, push switch 12, blackboard eraser body 13, thread gluing 14, sponge cloth 15, blackboard eraser bar 16, adjusting knob 17, telescopic rod 18, thread head 19, bottom Seat 20, connects dirt lid 22, suction inlet 23, delivery pipe 24, feed inlet 25, micro-blower 26, discharge port 27 and dust-collecting box at strip 21 28, the rear surface of scrubbing brush box 1 is fixed with scrubbing brush 2, and the front-end surface of scrubbing brush box 1 offers connector 3, and connector 3 Interior surface be welded with screw thread item 4, the right lateral surface of scrubbing brush box 1 is welded with convex block 5, and the left-hand face wall surface of storage box 6 is opened Equipped with card slot slideway 7, and storage box 6 is connected with each other by card slot slideway 7 and convex block 5 and scrubbing brush box 1, and the upper end of storage box 6 is left Side surface is fixed with shaft 8, and storage box 6 is rotatablely connected by shaft 8 and box cover 9, and the upper end face and box of storage box 6 The rear surface of lid 9, which mutually coincide, to be connected, and the right side upper end interior surface of storage box 6 opens up fluted 10, and groove 10 is interior Portion fixed flexible fast 11, and the right hand external surface of groove 10 is fixed with push switch 12, the rear surface weldering of storage box 6 It is connected to blackboard eraser body 13, and the surface of blackboard eraser body 13 is respectively and fixedly provided with thread gluing 14, and the surface of thread gluing 14 is fixed with sponge cloth 15, together When sponge cloth 15 be connected with each other by thread gluing 14 and blackboard eraser body 13, the outer surface of blackboard eraser bar 16 is fixed with adjusting knob 17, and plate The upper end interior surface of pole 16 is fixed with telescopic rod 18, and the front-end surface of telescopic rod 18 is welded with thread head 19, and thread head 19 are connected with each other by connector 3 and screw thread item 4, and telescopic rod 18 passes through thread head 19, connector 3 and screw thread item 4 and scrubbing brush box 1 It is connected with each other, the rear surface of scrubbing brush 2 and sponge cloth 15 is mounted on pedestal 20, and the external rear surface of pedestal 20 is fixed with Strip 21, and the rear surface of pedestal 20 is equipped with and connects dirt lid 22, while it is mutual by strip 21 and pedestal 20 to connect dirt lid 22 Connection, the interior surface of pedestal 20 equidistantly offers suction inlet 23, and the right lateral surface of pedestal 20 is equipped with delivery pipe 24, and And the right lateral surface of delivery pipe 24 is fixed with feed inlet 25, the right end face of feed inlet 25 is welded with micro-blower 26, and micro- The right end face of type air blower 26 is welded with discharge port 27, and the right end face of discharge port 27 is screwed dust-collecting box 28；

Scrubbing brush box 1 forms slide construction, and the cross-section lengths of convex block 5 by convex block 5 and card slot slideway 7 and storage box 6 Numerical value is identical as the length value of card slot slideway 7, and convex block 5 and card slot slideway 7 are strong magnetic material, while convex block 5 and card The adjacent surface of slot slideway 7 synonyms pole each other, the landing problem that storage box 6 can be prevented to be likely to occur in use, The assembling and fractionation of box 6 and scrubbing brush box 1 convenient for collecting, can be used alone after fractionation, are convenient for changing the sponge cloth of 6 bottom of storage box 15, increase the service life of blackboard eraser, the cooperation of two kinds of blackboard eraser materials can achieve the effect of dual clean；

The longitudinal section thickness value of scrubbing brush 2 be greater than scrubbing brush box 1 longitudinal section thickness value, and the front-end surface of scrubbing brush 2 with The front-end surface of scrubbing brush box 1 is in same level, can increase the distance between scrubbing brush box 1 and blackboard, prevents friction convenient for making User uses；

Box cover 9 constitutes turnover mechanism by shaft 8 and storage box 6, and storage box 6 and groove 10 pass through elasticity fast 11 and press Compress switch 12 composition elastic constructions, and the interior lower end of the combined shaped rear surface of scrubbing brush 2 and sponge cloth 15 and pedestal 20 Surface area same size is equal, and chalk or spare sponge cloth 15 can be placed in storage box 6, increases the storage of blackboard eraser Object function is easy to use and stores relative article；

Blackboard eraser body 13 forms bonded structure by thread gluing 14 and sponge cloth 15, can be with convenient for users to replacing sponge cloth 15 Continue blackboard eraser uses the time, avoids unnecessary waste；

Blackboard eraser bar 16 makes shorter same of height by thread head 19 and connector 3 and the composition disassembly mounting structure of scrubbing brush box 1 Also can easily use, and increase without external force, avoid the dangerous situation that therefore may cause, convenient for tearing open between part It unloads and installs；

Pedestal 20 and connect the rectangular configuration that dirt lid 22 is inner hollow, and the external rear surface of pedestal 20 with connect dirt lid 22 upper end interior surface, which is mutually coincide, to be connected, and is easy to open the dust saved bit by bit inside cleaning pedestal 20, is facilitated subsequent use.

In use, be placed in indoor suitable position firstly the need of the blackboard eraser for being convenient to clean this, by blackboard eraser body 13 outside The thread gluing 14 in portion is pasted sponge cloth 15, then is carried out by the card slot slideway 7 in 6 left side of convex block 5 and storage box on 1 right side of scrubbing brush box 7 alignment bumps 5 of card slot slideway are slid into other end alignment from one end of convex block 5, convex block 5 is adjacent with card slot slideway 7 by assembling Surface synonyms pole each other.Attracting each other prevents storage box 6 to be likely to occur the problem of falling in use, at this time blackboard eraser Two parts be completed, when beginning to use blackboard eraser, 13 lower part of blackboard eraser body paste sponge cloth 15 follow scrubbing brush 2 Wiping carries out secondary cleaning to blackboard, effective to remove since scrubbing brush 2 cleans remaining brush mark, increases the cleaning force of blackboard eraser Degree, when user will wipe higher position, blackboard eraser bar 16 can be attached with blackboard eraser, by the screw thread of 18 front end of telescopic rod Connector 3 outside first 19 alignment sheets brush box 1, is attached by screw thread item 4 and thread head 19, and checks connection in place, then Telescopic rod 18 is adjusted by the adjusting knob 17 of 16 upper end of blackboard eraser bar, is adjusted to be suitble to fix when length, be stretched when having used When contracting bar 18, telescopic rod 18 is reverted into original state, can be put into storage box 6, by the push switch 12 on 6 right side of storage box It presses, by the elastic construction of the elasticity fast 11 in groove 10, box cover 9 is opened by shaft 8, storage box 6 can be used Inner space carries out storing；

Blackboard eraser is cleared up by the pedestal 20 connected on the left of micro-blower 26 again, micro-blower 26 is connected External power supply, and pedestal 20, micro-blower 26 and dust-collecting box 28 are placed on, by the lower end of used blackboard eraser Surface is directed at the upper surface of pedestal 20, pat to blackboard eraser or directly blackboard eraser is placed in pedestal 20, utilization is miniature The air draught of air blower 26 acts on, and the dust on scrubbing brush 2 is sucked in pedestal 20 by suction inlet 23, then by delivery pipe 24, into Material mouth 25 and discharge port 27 are sent into dust-collecting box 28, and dust-collecting box 28 are periodically removed cleaning dust, while can will connect dirt lid 22 Pedestal 20 is opened by strip 21, clears up the dust saved bit by bit inside pedestal 20, here it is the works of the blackboard eraser being convenient to clean Make principle.

It can to sum up obtain, which passes through the cunning of scrubbing brush box 1, convex block 5, card slot slideway 7 and storage box 6 Dynamic, the assembling and fractionation of box 6 and scrubbing brush box 1 convenient for collecting can be used alone after fractionation, be convenient for changing the sea of 6 bottom of storage box Continuous cloth 15 increases the service life of blackboard eraser, and the cooperation of two kinds of blackboard eraser materials can achieve the effect of dual clean, and flexible The connection of bar 18, thread head 19, connector 3 and screw thread item 4, the classmate for keeping height shorter also can easily use, without External force increases, and avoids the dangerous situation that therefore may cause, and pedestal 20, strip 21 are connected with the cutting ferrule for connecing dirt lid 22, side Just the dust saved bit by bit in pedestal 20 is cleared up, is prolonged the service life, to guarantee pedestal 20 to the dust suction cleaning effect of blackboard eraser.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

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 (7)

1. a kind of blackboard eraser being convenient to clean, including scrubbing brush box (1), storage box (6) and blackboard eraser bar (16), it is characterised in that: institute The rear surface for stating scrubbing brush box (1) is fixed with scrubbing brush (2), and the front-end surface of scrubbing brush box (1) offers connector (3), and The interior surface of connector (3) is welded with screw thread item (4), and the right lateral surface of the scrubbing brush box (1) is welded with convex block (5), described The left-hand face wall surface of storage box (6) offers card slot slideway (7), and storage box (6) passes through card slot slideway (7) and convex block (5) It is connected with each other with scrubbing brush box (1), the upper end left-hand face of the storage box (6) is fixed with shaft (8), and storage box (6) passes through Shaft (8) and box cover (9) are rotatablely connected, and the upper end face of storage box (6) and the rear surface of box cover (9) mutually coincide and connect It connects, the right side upper end interior surface of the storage box (6) opens up fluted (10), and the inside of groove (10) is fixed flexible fast (11), and the right hand external surface of groove (10) is fixed with push switch (12), the rear surface welding of the storage box (6) Have blackboard eraser body (13), and the surface of blackboard eraser body (13) is respectively and fixedly provided with thread gluing (14), and the surface of thread gluing (14) is fixed with sponge Cloth (15), while sponge cloth (15) is connected with each other by thread gluing (14) and blackboard eraser body (13), the external table of the blackboard eraser bar (16) Face is fixed with adjusting knob (17), and the upper end interior surface of blackboard eraser bar (16) is fixed with telescopic rod (18), the telescopic rod (18) Front-end surface be welded with thread head (19), and thread head (19) is connected with each other by connector (3) and screw thread item (4), described Telescopic rod (18) is connected with each other by thread head (19), connector (3) and screw thread item (4) and scrubbing brush box (1), the scrubbing brush (2) It is mounted on pedestal (20) with the rear surface of sponge cloth (15), and the external rear surface of pedestal (20) is fixed with strip (21), and the rear surface of pedestal (20) is equipped with and connects dirt lid (22), while connecing dirt lid (22) and passing through strip (21) and pedestal (20) it is connected with each other, the interior surface of the pedestal (20) equidistantly offers suction inlet (23), and the right side table of pedestal (20) Face is equipped with delivery pipe (24), and the right lateral surface of delivery pipe (24) is fixed with feed inlet (25), the feed inlet (25) Right end face is welded with micro-blower (26), and the right end face of micro-blower (26) is welded with discharge port (27), and The right end face of discharge port (27), which is screwed, dust-collecting box (28).

2. a kind of blackboard eraser being convenient to clean according to claim 1, it is characterised in that: the scrubbing brush box (1) passes through convex Block (5) and card slot slideway (7) and storage box (6) form slide construction, and the cross-section lengths numerical value of convex block (5) and card slot slideway (7) length value is identical, and convex block (5) and card slot slideway (7) are strong magnetic material, while convex block (5) and card slot slideway (7) adjacent surface synonyms pole each other.

3. a kind of blackboard eraser being convenient to clean according to claim 1, it is characterised in that: the longitudinal section of the scrubbing brush (2) Thickness value is greater than the longitudinal section thickness value of scrubbing brush box (1), and the front-end table of the front-end surface of scrubbing brush (2) and scrubbing brush box (1) Face is in same level.

4. a kind of blackboard eraser being convenient to clean according to claim 1, it is characterised in that: the box cover (9) passes through shaft (8) turnover mechanism is constituted with storage box (6), and storage box (6) and groove (10) pass through elasticity fast (11) and push switch (12) Form elastic construction, and the interior lower end table of the combined shaped rear surface of scrubbing brush (2) and sponge cloth (15) and pedestal (20) Face area same size is equal.

5. a kind of blackboard eraser being convenient to clean according to claim 1, it is characterised in that: the blackboard eraser body (13) passes through viscous It detains (14) and sponge cloth (15) and forms bonded structure.

6. a kind of blackboard eraser being convenient to clean according to claim 1, it is characterised in that: the blackboard eraser bar (16) passes through spiral shell Line head (19) and connector (3) and scrubbing brush box (1) composition disassembly mounting structure.

7. a kind of blackboard eraser being convenient to clean according to claim 1, it is characterised in that: the pedestal (20) and connect dirt lid (22) be inner hollow rectangular configuration, and the external rear surface of pedestal (20) with connect the upper end interior surface of dirt lid (22) Mutually coincide connection.