CN112622497A - Blackboard eraser with quick cleaning structure - Google Patents
Blackboard eraser with quick cleaning structure Download PDFInfo
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- CN112622497A CN112622497A CN202011535061.XA CN202011535061A CN112622497A CN 112622497 A CN112622497 A CN 112622497A CN 202011535061 A CN202011535061 A CN 202011535061A CN 112622497 A CN112622497 A CN 112622497A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The invention discloses a blackboard eraser with a quick cleaning structure, belonging to the field of blackboard erasers and being characterized in that a self-cleaning chain arranged in the blackboard eraser with the quick cleaning structure can automatically move along the surface of cleaning cotton along with the wiping process, on one hand, the cleaning cotton is assisted to realize deep cleaning of a blackboard, on the other hand, the chalk dust adhered to the surface of the cleaning cotton is adsorbed, meanwhile, the elastic pressing sleeve is tightly held and extruded by hands, the repeated flow of air inside the elastic pressing sleeve is promoted, the chalk dust adsorbed by the self-cleaning chain is separated along with moist airflow and is finally adsorbed by an adsorption layer, the desorbed self-cleaning chain circularly moves along the surface of the cleaning cotton, the deep cleaning of the cleaning cotton and the blackboard is continuously realized, the cleaning cotton can continuously keep a certain wiping effect, the effective wiping of the blackboard is realized, and the falling of the chalk dust on the cleaning cotton and the blackboard is reduced, the health usability of the invention is improved.
Description
Technical Field
The invention relates to the field of blackboard erasers, in particular to a blackboard eraser with a quick cleaning structure.
Background
The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. With the development of multimedia technology, teaching does not depend on a blackboard as before, but in general teaching, the characteristic of convenient writing of the blackboard is still irreplaceable, and the blackboard eraser is still indispensable for classroom teaching.
In the process of erasing the blackboard by using the conventional blackboard eraser, the blackboard eraser is quickly full of chalk dust, so that the erasing effect is greatly reduced, and when the chalk dust adhered to the blackboard eraser is excessive, the chalk dust on the blackboard and the blackboard eraser can seriously fall off, so that the chalk dust is easily sucked by a user too much and causes great harm to the body of the user.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a blackboard eraser with a quick cleaning structure, wherein a self-cleaning chain arranged in the blackboard eraser can automatically move along the surface of cleaning cotton along with the wiping process, on one hand, the cleaning cotton is assisted to realize deep cleaning of the blackboard, on the other hand, the chalk dust adhered to the surface of the cleaning cotton is adsorbed, meanwhile, the elastic pressing sleeve is tightly held and extruded by hands, the repeated flow of air inside the elastic pressing sleeve is promoted, the chalk dust adsorbed by the self-cleaning chain is separated along with the humid air flow and is finally adsorbed by an adsorption layer, the desorbed self-cleaning chain circularly moves along the surface of the cleaning cotton, the deep cleaning of the cleaning cotton and the blackboard is continuously realized, so that the cleaning cotton can continuously keep a certain wiping effect, the effective wiping of the blackboard is realized, and the flying of the chalk dust on the cleaning cotton and the blackboard is reduced, the health usability of the invention is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A blackboard eraser with a quick cleaning structure comprises a shell and cleaning cotton, wherein one end of the shell, which is close to the cleaning cotton, is provided with a mounting groove, the upper end and the lower end of the cleaning cotton are respectively and fixedly connected with the upper inner wall and the lower inner wall of the mounting groove, the outer side of the cleaning cotton is provided with a self-cleaning chain, the self-cleaning chain comprises a plurality of semi-soft cleaning rods which are uniformly distributed, a plurality of connecting ropes which are uniformly distributed are fixedly connected between every two adjacent semi-soft cleaning rods, a collecting cavity is formed in the shell, wet cotton clusters are filled in the collecting cavity, a plurality of semi-elastic cleaning sheets which are uniformly distributed are fixedly connected with the inner wall of the mounting groove, the semi-elastic cleaning sheets penetrate through the inner wall of the mounting groove and are communicated with the collecting cavity, a plurality of gas storage cavities which are uniformly distributed are formed in the outer end of the shell, a pair, the outer side of the gas storage cavity is provided with the elastic pressing sleeve, the opening end of the elastic pressing sleeve is fixedly connected with the inner wall of the gas storage cavity, the self-cleaning chain arranged in the blackboard eraser can automatically move along the surface of the cleaning cotton along with the wiping process, on one hand, the cleaning cotton is assisted to realize deep cleaning of the blackboard, on the other hand, the chalk dust adhered to the surface of the cleaning cotton is adsorbed, meanwhile, the elastic pressing sleeve is tightly held and extruded by hands, the repeated flow of air inside the elastic pressing sleeve is promoted, the chalk dust adsorbed by the self-cleaning chain is separated along with moist airflow and is finally adsorbed by the adsorption layer, the desorbed self-cleaning chain circularly moves along the surface of the cleaning cotton, and the deep cleaning of the cleaning cotton and the blackboard is continuously realized, so that the cleaning cotton can continuously keep a certain wiping effect, the effective wiping of the blackboard is realized, and the flying of the chalk dust on the cleaning cotton and the blackboard is reduced, the health usability of the invention is improved.
Furthermore, the semi-soft cleaning rod comprises a porous concave shell, one end, far away from the cleaning cotton, of the porous concave shell is fixedly connected with a double-quality wear-resistant soft sleeve, and the connecting rope is fixedly connected with the outer end of the porous concave shell.
Furthermore, the double-quality wear-resistant soft sleeve is formed by fixedly connecting a plurality of absorbent cotton slivers and a plurality of rubber strips in an evenly staggered manner, has certain water absorption and larger friction coefficient, can transmit certain water to the blackboard when being mutually extruded with the blackboard, realizes deep cleaning of the blackboard without influencing the normal use of the blackboard, can generate larger friction force with the blackboard, is larger than the friction force between the porous concave shell and the cleaning cotton, realizes the process that the semi-soft cleaning rod moves along the cleaning cotton, is made of smooth hard material, ensures that the friction force between the porous concave shell and the cleaning cotton is smaller, and ensures that the outer surface of the porous concave shell close to the cleaning cotton is provided with a plurality of uniformly distributed concave grooves, so that the porous concave shell has larger specific surface area, when taking place relative movement with clean cotton, can realize effective absorption to the chalk dust on the clean cotton, and, when the clean stick of semi-soft nature receives the blackboard extrusion, the wear-resisting soft cover of dual matter can be the platykurtic because of the extrusion, be the biggest contact state between wear-resisting soft cover of dual matter and the blackboard, simultaneously, the inside gas of the clean stick of semi-soft nature can flow through the through-hole on the porous concave surface shell, impact on clean cotton, promote dropping of chalk dust on the clean cotton, make it adsorb in the concave surface inslot of porous concave surface shell with higher speed.
Furthermore, the semi-elastic cleaning sheet comprises an elastic porous pipe, the elastic porous pipe penetrates through the inner wall of the mounting groove and is communicated with the collecting cavity, water guide cleaning wires are arranged inside the semi-elastic cleaning sheet, one ends of the water guide cleaning wires are fixedly connected with the wet cotton clusters, and the other ends of the water guide cleaning wires extend to the outer side of the elastic porous pipe.
Furthermore, the elastic porous tube is made of an elastic rubber material with multiple holes, the water guide cleaning filament is made of a water absorption cotton thread, and the air circulation between the installation groove and the collection cavity is realized through the semi-elastic cleaning sheet, so that when the elastic pressure sleeve is extruded by a palm to generate air pressure change, air can flow repeatedly along the installation groove, the collection cavity, the air vent and the air storage cavity, chalk dust on the semi-soft cleaning rod is sucked into the collection cavity, and when the semi-soft cleaning rod collides and is extruded with the semi-elastic cleaning sheet in the moving process, the elastic porous tube can be pressed and bent and vibrates in resilience, the soft semi-soft cleaning rod can be flapped and vibrated through the elastic porous tube, the airflow flowing is combined, the falling of the chalk dust on the semi-soft cleaning rod is further promoted, the semi-soft cleaning rod is cleaned, and the semi-soft cleaning rod can be conveniently cleaned in a circulating way, simultaneously, the clean silk of water guide absorbs moisture on the wet cotton cluster to through the clean stick contact with semi-soft nature, transmit moisture to the clean stick of semi-soft nature, make the clean stick of semi-soft nature have certain moisture, when the clean stick of semi-soft nature contacts with the blackboard, realize the degree of depth clean to the blackboard through low few moisture, and be difficult for causing the influence to the blackboard use.
Further, the wet cotton cluster is made by a plurality of cotton silk crisscross winding that absorb water each other, the wet cotton cluster has great water storage function of absorbing water on the one hand, on the other hand, there is great space inside the wet cotton cluster, make things convenient for gaseous at the inside flow of wet cotton cluster, and, gaseous at the flow in-process, can drive the moisture that the wet cotton clustered and evaporate, it mixes in gaseous to form steam, improve gaseous drive and the adsorptivity to the chalk dust, the chalk dust gets into and collects the chamber with higher speed, and, can in time reduce the scattering once more of chalk dust through the absorption of wet cotton cluster to the chalk dust.
Further, collect the equal fixedly connected with adsorbed layer of a pair of inner wall in chamber, the adsorbed layer adopts viscidity silica gel material, and the adsorbed layer has stronger adsorption efficiency, and the chalk dust that gets into in the collection chamber can be attached to on the adsorbed layer in a large number to the chalk dust that significantly reduces wafts once more, realizes the collection to the chalk dust.
Further, the clean cotton is close to the smooth backing plate of the one end fixedly connected with in collection chamber, smooth backing plate is located the inboard of automatically cleaning chain, and smooth backing plate plays the isolation to the inner of clean cotton, makes things convenient for the inboard semi-soft nature cleaning rod of clean cotton to remove on the one hand, and on the other hand makes the difficult adhesion of chalk dust on the semi-soft nature cleaning rod in the inner of clean cotton, makes things convenient for the collection of chalk dust.
Furthermore, the inner wall of the collecting cavity is provided with a water filling port communicated with the outside, a sealing plug is plugged inside the water filling port, water mist is conveniently sprayed into the collecting cavity through the water filling port, the wet cotton clusters are wetted, and chalk dust is conveniently collected.
A blackboard eraser with a quick cleaning structure comprises a using method:
s1, holding the shell by a hand of a user, and wiping the blackboard by cleaning cotton;
s2, in the relative movement process of the cleaning cotton and the blackboard, the self-cleaning chain is extruded by the blackboard, falls into the cleaning cotton, and moves along the surface of the cleaning cotton through the friction force between the cleaning cotton and the blackboard, so that on one hand, the cleaning cotton is assisted to deeply clean the blackboard, and on the other hand, chalk dust on the surface of the cleaning cotton is adsorbed;
s3, gradually moving the semi-soft cleaning rod adsorbed with the chalk dust to a position between the cleaning cotton and the inner wall of the mounting groove, and meanwhile, repeatedly extruding the elastic pressing sleeve by a hand in the process of holding the shell to enable humid air to flow in the mounting groove, the collecting cavity, the vent hole and the air storage cavity at an accelerated speed to drive the chalk dust on the semi-soft cleaning rod to enter and adhere to the adsorption layer, so that the semi-soft cleaning rod is cleaned;
s4, when the semi-soft cleaning rod moves between the cleaning cotton and the inner wall of the mounting groove, the semi-soft cleaning rod and the semi-elastic cleaning sheet collide and extrude with each other, so that on one hand, the chalk dust on the semi-soft cleaning rod is promoted to be separated, on the other hand, the chalk dust on the semi-soft cleaning rod is contacted and adsorbed, meanwhile, the moisture is transferred to the semi-soft cleaning rod, and the adsorbability of the semi-soft cleaning rod is enhanced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the self-cleaning chain arranged in the scheme can automatically move along the surface of the cleaning cotton along the cleaning process, on one hand, the cleaning cotton is assisted to realize deep cleaning of the blackboard, on the other hand, the chalk dust adhered to the surface of the cleaning cotton is adsorbed, meanwhile, the elastic pressing sleeve is squeezed by hands to promote the repeated flow of air inside the elastic pressing sleeve, the chalk dust adsorbed by the self-cleaning chain is separated along with moist airflow and is finally adsorbed by the adsorption layer, the desorbed self-cleaning chain circularly moves along the surface of the cleaning cotton, and the deep cleaning of the cleaning cotton and the blackboard is continuously realized, so that the cleaning cotton can continuously keep a certain degree of cleaning effect, the effective cleaning of the blackboard is realized, the flying of the chalk dust on the cleaning cotton and the blackboard is reduced, and the healthy usability of the blackboard is improved.
(2) The double-quality wear-resistant soft sleeve is formed by fixedly connecting a plurality of water-absorbing cotton slivers and a plurality of rubber strips in an evenly staggered manner, has certain water absorption and larger friction coefficient, can transmit certain water to the blackboard when being mutually extruded with the blackboard, realizes deep cleaning of the blackboard without influencing the normal use of the blackboard, can generate larger friction force with the blackboard, is larger than the friction force between the porous concave shell and the cleaning cotton, thereby realizing the process that the semi-soft cleaning rod moves along the cleaning cotton, the porous concave shell is made of smooth hard material, the friction force between the porous concave shell and the cleaning cotton is smaller, the outer surface of the porous concave shell close to the cleaning cotton is provided with a plurality of uniformly distributed concave grooves, the porous concave shell has larger specific surface area, and when moving relative to the cleaning cotton, can realize effective adsorption of the chalk dust on the cleaning cotton.
(3) When the clean stick of semi-soft nature receives the blackboard extrusion, the wear-resisting soft cover of dual quality can be the platykurtic because of the extrusion, is the biggest contact state between wear-resisting soft cover of dual quality and the blackboard, and simultaneously, the inside gas of the clean stick of semi-soft nature can flow through the through-hole on the porous concave surface shell, strikes on clean cotton, promotes dropping of chalk dust on the clean cotton, makes it adsorb in the concave surface inslot of porous concave surface shell with higher speed.
(4) The semi-flexible cleaning rod is pressed and bent when moving and is collided and extruded with the semi-flexible cleaning sheet, the elastic porous pipe vibrates when rebounding, the semi-flexible cleaning rod can be beaten and vibrated through the elastic porous pipe, and the flowing of air flow is combined, so that the dropping of the chalk dust on the semi-flexible cleaning rod is further promoted, the cleaning of the semi-flexible cleaning rod is realized, the semi-flexible cleaning rod can be conveniently cleaned circularly by the semi-flexible cleaning rod, meanwhile, the water guide cleaning wires absorb moisture on wet cotton clusters and are contacted with the semi-flexible cleaning rod, the blackboard cleaning device has the advantages that moisture is transferred to the semi-soft cleaning rod, the semi-soft cleaning rod has certain moisture, when the semi-soft cleaning rod is in contact with a blackboard, deep cleaning is achieved on the blackboard through low and little moisture, and the blackboard is not prone to being affected in use.
(5) The wet cotton cluster is made by the crisscross winding each other of a plurality of cotton silk that absorb water, the wet cotton cluster has great water storage function of absorbing water on the one hand, on the other hand, there is great space in the wet cotton cluster inside, make things convenient for gaseous at the inside flow of wet cotton cluster, and, gaseous at the flow in-process, can drive the moisture that the wet cotton cluster goes up and evaporate, it mixes in gaseous to form steam, improve gaseous drive and the adsorptivity to the chalk dust, the chalk dust gets into and collects the chamber with higher speed, and, can in time reduce the scattering once more of chalk dust through the absorption of wet cotton cluster to the chalk dust.
(6) Collect the equal fixedly connected with adsorbed layer of a pair of inner wall in chamber, the adsorbed layer adopts viscidity silica gel material, and the adsorbed layer has stronger adsorption efficiency, and the chalk dust that gets into in the collection chamber can be attached to on the adsorbed layer in a large number to the chalk dust that significantly reduces wafts once more, realizes the collection to the chalk dust.
(7) Clean cotton is close to the smooth backing plate of the one end fixedly connected with in collection chamber, and smooth backing plate is located the inboard of automatically cleaning chain, and smooth backing plate plays the isolation to the inner of clean cotton, and the inboard semi-soft nature cleaning rod of convenient clean cotton removes on the one hand, and on the other hand makes the difficult adhesion of chalk dust on the clean stick of semi-soft nature in the inner of clean cotton, makes things convenient for the collection of chalk dust.
(8) The inner wall of the collecting cavity is provided with a water filling port communicated with the outside, a sealing plug is plugged inside the water filling port, water mist is conveniently sprayed into the collecting cavity through the water filling port, wet cotton clusters are wetted, and chalk dust is conveniently collected.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic top view of the semi-soft cleaning of the present invention as it is squeezed;
FIG. 5 is a schematic top view of a semi-flexible cleaning sheet of the present invention;
fig. 6 is a schematic side view of the present invention.
The reference numbers in the figures illustrate:
the cleaning device comprises a shell 1, a mounting groove 101, a collecting cavity 102, a vent hole 103, a gas storage cavity 104, cleaning cotton 2, a semi-soft cleaning rod 31, a double-quality wear-resistant soft sleeve 3101, a porous concave shell 3102, a rope 32, wet cotton clusters 4, a semi-elastic cleaning sheet 5, an elastic porous pipe 51, water guide cleaning wires 52, an adsorption layer 6, an elastic pressing sleeve 7, a smooth base plate 8 and a sealing plug 9.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1 and 2, a blackboard eraser with a quick cleaning structure comprises a housing 1 and a cleaning cotton 2, wherein one end of the housing 1 close to the cleaning cotton 2 is provided with a mounting groove 101, the upper and lower ends of the cleaning cotton 2 are respectively fixedly connected with the upper and lower inner walls of the mounting groove 101, the outer side of the cleaning cotton 2 is provided with a self-cleaning chain, the self-cleaning chain comprises a plurality of semi-soft cleaning rods 31 which are uniformly distributed, a plurality of connecting ropes 32 which are uniformly distributed are fixedly connected between the adjacent semi-soft cleaning rods 31, the housing 1 is internally provided with a collecting cavity 102, the collecting cavity 102 is internally filled with damp cotton clusters 4, the inner wall of the mounting groove 101 is fixedly connected with a plurality of semi-elastic cleaning sheets 5 which are uniformly distributed, the semi-elastic cleaning sheets 5 penetrate through the inner wall of the mounting groove 101 and are communicated with the collecting cavity 102, the outer end of the housing 1 is provided with a plurality of gas, the vent hole 103 is communicated with the collecting cavity 102, the outer side of the air storage cavity 104 is provided with an elastic pressing sleeve 7, and the open end of the elastic pressing sleeve 7 is fixedly connected with the inner wall of the air storage cavity 104.
Referring to fig. 3 and 4, the semi-soft cleaning rod 31 includes a porous concave shell 3102, one end of the porous concave shell 3102 far away from the cleaning cotton 2 is fixedly connected with a double-quality wear-resistant soft sleeve 3101, a connecting rope 32 is fixedly connected with the outer end of the porous concave shell 3102, the double-quality wear-resistant soft sleeve 3101 is formed by uniformly and fixedly connecting a plurality of absorbent cotton slivers and a plurality of rubber strips in a staggered manner, the double-quality wear-resistant soft sleeve 3101 has certain water absorption and larger friction coefficient, when the double-quality wear-resistant soft sleeve 3101 is mutually extruded with a blackboard, on one hand, certain water can be transferred to the blackboard to realize deep cleaning of the blackboard without influencing the normal use of the blackboard, on the other hand, larger friction force can be generated with the blackboard, and the friction force is larger than the friction force between the porous concave shell 3102 and the cleaning cotton 2, so that the process that the semi-soft cleaning rod 31 moves along the cleaning cotton 2 is realized, the porous concave shell 3102 is, make its and cleaning cotton 2 between frictional force less, porous concave shell 3102 is close to the surface of cleaning cotton 2 and has been seted up a plurality of evenly distributed's concave surface groove, make porous concave shell 3102 have great specific surface area, when taking place relative movement with cleaning cotton 2, can realize effectively adsorbing the chalk dust on the cleaning cotton 2, and, when semi-soft nature cleaning rod 31 receives the blackboard extrusion, two matter wear-resisting soft cover 3101 can be the platykurtic because of the extrusion, be the biggest contact state between two matter wear-resisting soft cover 3101 and the blackboard, and simultaneously, the inside gas of semi-soft nature cleaning rod 31 can flow through the through-hole on porous concave shell 3102, impact on cleaning cotton 2, promote the dropping of chalk dust on cleaning cotton 2, make it adsorb in porous concave shell 3102's concave surface groove with higher speed.
Referring to fig. 5, the semi-elastic cleaning sheet 5 includes an elastic porous tube 51, the elastic porous tube 51 penetrates through the inner wall of the mounting groove 101 and is communicated with the collecting cavity 102, a water guiding cleaning filament 52 is disposed inside the semi-elastic cleaning sheet 5, one end of the water guiding cleaning filament 52 is fixedly connected with the wet cotton tuft 4, the other end of the water guiding cleaning filament 52 extends to the outside of the elastic porous tube 51, the elastic porous tube 51 is made of a porous elastic rubber material, the water guiding cleaning filament 52 is made of a water absorbing cotton thread, and the mounting groove 101 and the collecting cavity 102 realize gas circulation through the semi-elastic cleaning sheet 5, so that when the elastic pressing sleeve 7 is pressed by the palm to generate pressure variation, gas repeatedly flows along the mounting groove 101, the collecting cavity 102, the vent 103 and the gas storage cavity 104, thereby sucking chalk dust on the semi-soft cleaning rod 31 into the collecting cavity 102, and when the semi-soft cleaning rod 31 collides with the semi-elastic cleaning sheet 5 and is pressed during the moving process, elasticity perforated pipe 51 can be pressed the bending, vibration takes place during the resilience, can realize beating vibration to half soft cleaning rod 31 through elasticity perforated pipe 51, combine the air current to flow, the drop of chalk dust on half soft cleaning rod 31 has further been promoted, realize the cleanness to half soft cleaning rod 31, make things convenient for half soft cleaning rod 31 to realize the circulation clearance to clean cotton 2, and simultaneously, the moisture on the wet cotton cluster 4 is absorbed to water guide cleaning silk 52, and through contacting with half soft cleaning rod 31, with moisture transfer to half soft cleaning rod 31, make half soft cleaning rod 31 have certain moisture, when half soft cleaning rod 31 contacts with the blackboard, realize the degree of depth cleanness to the blackboard through low few moisture, and be difficult for causing the influence to the blackboard use.
Referring to fig. 5, the pair of inner walls of the collection cavity 102 are fixedly connected with the adsorption layer 6, the adsorption layer 6 is made of viscous silica gel, the adsorption layer 6 has strong adsorption capacity, and a large amount of chalk dust entering the collection cavity 102 is attached to the adsorption layer 6, so that the re-scattering of the chalk dust is greatly reduced, and the collection of the chalk dust is realized.
Referring to fig. 2 and 6, one end of the cleaning cotton 2 close to the collection cavity 102 is fixedly connected with a smooth backing plate 8, the smooth backing plate 8 is located at the inner side of the self-cleaning chain, the smooth backing plate 8 has an isolation effect on the inner end of the cleaning cotton 2, on one hand, the semi-soft cleaning rod 31 at the inner side of the cleaning cotton 2 is convenient to move, on the other hand, chalk dust on the semi-soft cleaning rod 31 is not easy to adhere to the inner end of the cleaning cotton 2, the chalk dust is convenient to collect, the inner wall of the collection cavity 102 is provided with a water filling port communicated with the outside, a sealing plug is plugged inside the water filling port, water mist is conveniently sprayed into the collection cavity 102 through the water filling port, the wet cotton clusters 4 are wetted, the chalk dust is convenient to collect, and after long-time use, more chalk dust adheres to the wet cotton clusters 4 and the adsorption layer 6 in the collection cavity 102, the cleaning cotton is horizontally placed, the cleaning cotton 2, a proper amount of clear water is introduced into the collection cavity 102 through the water filling port, and the chalk dust on the wet cotton clusters 4 and the adsorption layer 6 can be cleaned by slight shaking.
A blackboard eraser with a quick cleaning structure comprises a using method:
s1, a user holds the shell 1 with hands and wipes the blackboard through the cleaning cotton 2;
s2, in the relative movement process of the cleaning cotton 2 and the blackboard, the self-cleaning chain is extruded by the blackboard, falls into the cleaning cotton 2 and moves along the surface of the cleaning cotton 2 through the friction force between the cleaning cotton 2 and the blackboard, so that on one hand, the cleaning cotton 2 is assisted to deeply clean the blackboard, and on the other hand, chalk dust on the surface of the cleaning cotton 2 is adsorbed;
s3, gradually moving the semi-soft cleaning rod 31 adsorbed with the chalk dust to a position between the cleaning cotton 2 and the inner wall of the mounting groove 101, and meanwhile, repeatedly extruding the elastic pressing sleeve 7 by a hand in the process of holding the shell 1 to enable the humid air to flow at an accelerated speed in the mounting groove 101, the collection cavity 102, the vent hole 103 and the air storage cavity 104 to drive the chalk dust on the semi-soft cleaning rod 31 to enter the suction hole 12 and adhere to the adsorption layer 6, so that the semi-soft cleaning rod 31 is cleaned;
s4, when the semi-soft cleaning rod 31 moves between the cleaning cotton 2 and the inner wall of the mounting groove 101, the semi-soft cleaning rod 31 and the semi-elastic cleaning sheet 5 collide with each other and press each other, so that the separation of the chalk dust on the semi-soft cleaning rod 31 is promoted, and the contact adsorption of the chalk dust on the semi-soft cleaning rod 31 is performed, and at the same time, the moisture is transferred to the semi-soft cleaning rod 31, thereby enhancing the adsorption property of the semi-soft cleaning rod 31.
The self-cleaning chain arranged in the blackboard eraser can automatically move along the surface of the cleaning cotton 2 along with the wiping process, on one hand, the cleaning cotton 2 is assisted to realize deep cleaning of the blackboard, on the other hand, the chalk dust adhered to the surface of the cleaning cotton 2 is adsorbed, meanwhile, the repeated flow of air inside the elastic pressing sleeve 7 is promoted by the gripping and extrusion of hands on the elastic pressing sleeve 7, the chalk dust adsorbed by the self-cleaning chain is separated along with moist airflow and is finally adsorbed by the adsorption layer 6, the desorbed self-cleaning chain circularly moves along the surface of the cleaning cotton 2, and the deep cleaning of the cleaning cotton 2 and the blackboard is continuously realized, so that the cleaning cotton 2 can continuously keep a certain wiping effect, the effective wiping of the blackboard is realized, the flying of the chalk dust on the cleaning cotton 2 and the blackboard is reduced, and the healthy usability of the blackboard eraser is improved.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A blackboard eraser with quick cleaning structure, including shell (1) and clean cotton (2), its characterized in that: the cleaning cotton comprises a shell (1), wherein one end of the shell, which is close to a cleaning cotton body (2), is provided with a mounting groove (101), the upper end and the lower end of the cleaning cotton body (2) are respectively fixedly connected with the upper inner wall and the lower inner wall of the mounting groove (101), the outer side of the cleaning cotton body (2) is provided with a self-cleaning chain, the self-cleaning chain comprises a plurality of semi-soft cleaning rods (31) which are uniformly distributed, a plurality of connecting ropes (32) which are uniformly distributed are fixedly connected between every two adjacent semi-soft cleaning rods (31), a collecting cavity (102) is formed in the shell (1), damp cotton clusters (4) are filled in the collecting cavity (102), a plurality of semi-elastic cleaning sheets (5) which are uniformly distributed are fixedly connected with the inner wall of the mounting groove (101), the semi-elastic cleaning sheets (5) penetrate through the inner wall of the mounting groove (101) and are communicated with the collecting cavity (102), the outer end of, the air storage device is characterized in that a pair of vent holes (103) are formed in the inner wall of the air storage cavity (104), the vent holes (103) are communicated with the collection cavity (102), an elastic pressing sleeve (7) is arranged on the outer side of the air storage cavity (104), and the opening end of the elastic pressing sleeve (7) is fixedly connected with the inner wall of the air storage cavity (104).
2. The blackboard eraser with a quick cleaning structure according to claim 1, wherein: the semi-soft cleaning rod (31) comprises a porous concave surface shell (3102), one end of the porous concave surface shell (3102), which is far away from the cleaning cotton (2), is fixedly connected with a double-quality wear-resistant soft sleeve (3101), and the connecting rope (32) is fixedly connected with the outer end of the porous concave surface shell (3102).
3. The blackboard eraser with a quick cleaning structure according to claim 2, wherein: the double-quality wear-resistant soft sleeve (3101) is formed by fixedly connecting a plurality of water-absorbing cotton slivers and a plurality of rubber strips in an evenly staggered manner, the porous concave shell (3102) is made of a smooth hard material, and a plurality of uniformly-distributed concave grooves are formed in the outer surface of the porous concave shell (3102) close to the cleaning cotton (2).
4. The blackboard eraser with a quick cleaning structure according to claim 1, wherein: semi-elastic cleaning sheet (5) include elasticity porous pipe (51), elasticity porous pipe (51) run through mounting groove (101) inner wall and communicate with each other with collection chamber (102), the inside of semi-elastic cleaning sheet (5) is equipped with clean silk of water guide (52), the one end and the cotton bunch of humidity (4) fixed connection of clean silk of water guide (52), the other end of the clean silk of water guide (52) extends to the elasticity porous pipe (51) outside.
5. The blackboard eraser with a quick cleaning structure according to claim 4, wherein: the elastic porous pipe (51) is made of porous elastic rubber materials, and the water guide cleaning wire (52) is made of water absorption cotton threads.
6. The blackboard eraser with a quick cleaning structure according to claim 1, wherein: the wet cotton cluster (4) is formed by winding a plurality of water-absorbing cotton threads in a mutually staggered manner.
7. The blackboard eraser with a quick cleaning structure according to claim 1, wherein: a pair of inner walls of the collection cavity (102) are fixedly connected with an adsorption layer (6), and the adsorption layer (6) is made of viscous silica gel materials.
8. The blackboard eraser with a quick cleaning structure according to claim 1, wherein: one end, close to the collection cavity (102), of the cleaning cotton (2) is fixedly connected with a smooth base plate (8), and the smooth base plate (8) is located on the inner side of the self-cleaning chain.
9. The blackboard eraser with a quick cleaning structure according to claim 1, wherein: the inner wall of the collecting cavity (102) is provided with a water filling port communicated with the outside, and a sealing plug is plugged inside the water filling port.
10. A blackboard eraser having a quick cleaning structure according to any one of claims 1 to 9, wherein: the using method comprises the following steps:
s1, a user holds the shell (1) with hands and wipes the blackboard through the cleaning cotton (2);
s2, in the relative movement process of the cleaning cotton (2) and the blackboard, the self-cleaning chain is extruded by the blackboard, sinks into the cleaning cotton (2), and moves along the surface of the cleaning cotton (2) through the friction force between the self-cleaning chain and the blackboard, so that on one hand, the cleaning cotton (2) is assisted to deeply clean the blackboard, and on the other hand, chalk dust on the surface of the cleaning cotton (2) is adsorbed;
s3, gradually moving the semi-soft cleaning rod (31) adsorbed with the chalk dust to a position between the cleaning cotton (2) and the inner wall of the mounting groove (101), and meanwhile, repeatedly extruding the elastic pressing sleeve (7) by a hand in the process of holding the shell (1) to enable humid air to flow in the mounting groove (101), the collecting cavity (102), the vent hole (103) and the air storage cavity (104) at an accelerated speed to drive the chalk dust on the semi-soft cleaning rod (31) to enter the suction hole (12) and adhere to the adsorption layer (6), so that the semi-soft cleaning rod (31) is cleaned;
s4, when the semi-soft cleaning rod (31) moves between the cleaning cotton (2) and the inner wall of the mounting groove (101), the semi-soft cleaning rod (31) and the semi-elastic cleaning sheet (5) collide and extrude with each other, so that the separation of chalk dust on the semi-soft cleaning rod (31) is promoted, meanwhile, the contact adsorption of the chalk dust on the semi-soft cleaning rod (31) is carried out, and meanwhile, moisture is transferred to the semi-soft cleaning rod (31), and the adsorption of the semi-soft cleaning rod (31) is enhanced.
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| CN202011535061.XA CN112622497B (en) | 2020-12-22 | 2020-12-22 | Blackboard eraser with quick cleaning structure |
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| CN202011535061.XA CN112622497B (en) | 2020-12-22 | 2020-12-22 | Blackboard eraser with quick cleaning structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369704A (en) * | 2021-05-12 | 2021-09-10 | 方志 | Fluid adsorption type laser cutting head |
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| Publication number | Publication date |
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| CN112622497B (en) | 2022-08-05 |
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Effective date of registration: 20230801 Address after: 463000 No. 6, block B, Aike Chacheng, northeast corner of the intersection of Leshan Road and Zhidi Avenue, Zhumadian City, Henan Province Patentee after: Zhumadian Yexin Trading Co.,Ltd. Address before: Room 905, building B, Ginza Plaza, Anyang street, Ruian City, Zhejiang Province 325200 Patentee before: Huang Jinghang |
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