CN115320275B - Blackboard chalk groove - Google Patents
Blackboard chalk groove Download PDFInfo
- Publication number
- CN115320275B CN115320275B CN202211043491.9A CN202211043491A CN115320275B CN 115320275 B CN115320275 B CN 115320275B CN 202211043491 A CN202211043491 A CN 202211043491A CN 115320275 B CN115320275 B CN 115320275B
- Authority
- CN
- China
- Prior art keywords
- chalk
- chalk dust
- crushing box
- groove
- diaphragm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 claims abstract description 105
- 239000007788 liquid Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000003756 stirring Methods 0.000 claims description 24
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 9
- 238000000227 grinding Methods 0.000 description 9
- 239000000049 pigment Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 241000883990 Flabellum Species 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cleaning In General (AREA)
Abstract
The utility model relates to a teaching aid technical field specifically discloses a blackboard chalk groove, including installing the chalk groove in the blackboard bottom, the middle part disconnection in chalk groove installs the collection box that is used for collecting chalk dust and vertical setting in two chalk groove disconnection departments, and the guard plate that is higher than the chalk groove is installed to the one side that the collection box is close to the chalk groove outside, and the collection box comprises broken case and the liquid reserve tank of placing water in advance, install the diaphragm in broken incasement, open around the center of diaphragm has the sieve mesh that is used for passing through the chalk dust, has the blade group that is used for smashing the chalk point at the mid-mounting of diaphragm, and the blade group is installed in blade axle both sides, is equipped with the power unit that is used for driving blade axle pivoted in the bottom of blade axle. The purpose of this patent is to solve when carrying out the reutilization to the chalk head, and the extrusion of chalk head grinds too the problem that wastes time and energy.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a blackboard chalk groove.
Background
In campus, the blackboard is one of the most used teaching aids, after the chalk is written on the blackboard for a long time, more chalk dust can be accumulated in a chalk groove arranged at the bottom of the blackboard, and the excessive accumulation of the chalk dust can cause damage to respiratory health of students, so that when daily cleaning work is carried out on the campus, the chalk dust in the chalk groove is one of the cleaning objects, and the cleaning mode of the chalk dust is to clean the chalk dust in a garbage can by using rags. Along with the recent call of the action of green campus, students make secondary use of waste, such as waste paper to make artwork, thereby not only exercising the practical ability of the students, but also decorating the campus.
The secondary utilization of the chalk dust is less at the present stage, and the classmates find that the chalk dust is collected, then the chalk dust is classified according to the color, a plurality of small bottle caps or pigment plates are found, the chalk dust is put into the bottle caps or pigment plates, a little water is poured into the bottle caps or pigment plates, and finally the bottle caps or pigment plates are stirred to be thick paste, and the bottle caps or pigment plates are dried in the air, so that the self-made environment-friendly pigment is finished; or when painting, the chalk dust is put on a piece of paper, and then the chalk dust is blown towards a required place, so that a smoking effect can be achieved.
Colleagues find that most of the chalk dust can be collected in the chalk groove, more chalk ends are arranged in the chalk groove, the chalk ends and the chalk dust are mixed together, the colleagues need to pick up the chalk ends and squeeze and grind the chalk ends into the chalk dust, when the colleagues grind the chalk ends, the chalk ends are placed in waste paper or waste pigment discs, stone or hard wood blocks are used for squeezing the chalk ends until the chalk ends are in powder, the chalk ends are too hard for the colleagues in the grinding process, an careless finger can be damaged, and meanwhile, the chalk dust stained on the finger can enter the respiratory tract of the colleagues, so that the health of the colleagues is damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a blackboard chalk groove, which solves the problem that extrusion grinding of chalk ends is too time-consuming and labor-consuming when the chalk ends are reused.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a blackboard chalk groove, includes the chalk groove of installing in the blackboard bottom, the middle part disconnection in chalk groove installs the collection box that is used for collecting chalk dust and vertical setting in chalk groove disconnection department, and the guard plate that is higher than the chalk groove is installed to the one side that the collection box is close to the chalk groove outside, and the collection box comprises broken case and the liquid reserve tank of placing water in advance, install the diaphragm in broken case, open around the center of diaphragm has the sieve mesh that is used for through the chalk dust, at the mid-mounting of diaphragm has the blade group that is used for smashing the chalk point, and the blade group is installed in blade axle both sides, is equipped with the power unit that is used for driving blade axle pivoted in the bottom of blade axle.
The principle of the scheme is as follows: when the chalk dust is too much in the chalk groove, the cleaning cloth is used for pushing the chalk ends and the chalk dust into the collecting box body, then the blade group is started, the small chalk ends are cut up by the blade group, the structure of the cut chalk ends of the blade group is similar to that of a blade group type hand-operated pulper, and the broken chalk dust enters into the liquid storage tank filled with water in advance through the sieve holes on the cross rod plate, so that the process that students directly contact the chalk ends to break is avoided, the operation safety is ensured, meanwhile, the phenomenon that hands are stained with the chalk dust to cause dirt is avoided.
The beneficial effect that this scheme produced is:
1. compared with the prior art that stone or hard wood blocks are used for grinding the chalk heads, the chalk heads have poor grinding effect, uneven grinding can occur, meanwhile, in the grinding process, hand muscles can be inflated along with long-time grinding, and grinding efficiency is affected; and at present in this application file through setting up the blade group, the blade group can accomplish the breakage to the chalk when rotatory, has promoted the efficiency that the chalk head ground greatly, and can guarantee through setting up the filter screen that the particle diameter of the back chalk of grinding is roughly the same, can not appear the inhomogeneous phenomenon of granule and produce.
2. In the prior art, after chalk dust is collected, water is filled, and a wooden stick is used for stirring uniformly, so that long-time continuous stirring is required for stirring uniformly; and now through setting up the liquid reserve tank in this application file, can directly mix chalk dust and water in the liquid reserve tank, after mixing, can directly take off the liquid reserve tank, pour out the liquid after mixing and sun-dried, saved the process that needs oneself to mix the stirring, avoid classmates oneself when mixing chalk dust and water, the inhomogeneous phenomenon of mixing produces, has also promoted the efficiency of stirring simultaneously.
Further, the bobbin is connected to the bottom center of the diaphragm plate, the bobbin is a power mechanism, the bottom end of the bobbin and the bottom end of the blade shaft are mutually connected, a torsion spring is installed in the middle of the bobbin and the bottom center of the diaphragm plate, a pull rope is wound on the bobbin, a through pull rope hole is formed in one side wall of the crushing box, the pull rope penetrates through the pull rope hole and extends to the outside of the side wall of the crushing box, a pull block is fixed at one end of the pull rope, the pull block drives the pull rope to drive the bobbin to rotate, the bobbin drives the blade group to rotate while rotating, when the pull rope is loosened, the bobbin returns the pull rope to the initial position under the action of the torsion spring, the blade group intermittently rotates through one pull, after the rotation of the blade group is stopped, chalk dust can enter the liquid storage box through a sieve hole, the effect of using the pull rope drive is that the blade group intermittently rotates, the chalk dust is crushed, and meanwhile the brush of the pull rope can drive the chalk dust on the baffle to be removed, and the chalk dust on the baffle is required to be pulled for a long time due to the fact that the chalk dust is accumulated and the pull rope is required to be pulled; when chalk dust passes through the filter screen, more dust can be accumulated on the surface of the filter screen, and the dust on the surface of the filter screen can be brushed off by the brush through intermittent rotation.
Further, the side wall joint at the stay cord hole has the wire protecting cover, and the aperture that the stay cord hole is close to broken incasement portion one side simultaneously is less than the aperture that keeps away from broken incasement portion one side, and when pulling the stay cord, chalk dust on the stay cord can be under the effect of wire protecting cover and reducing hole, scrapes the chalk dust on the stay cord in collecting box.
Further, install because the flabellum that guides chalk dust to get into broken case at the top of blade axle, when the flabellum rotates, the air current enters into broken incasement from the outside, installs the exhaust hole that is used for ventilating simultaneously at the lateral wall of broken case, has the filter screen through bolted connection in the exhaust hole one side that is close to broken incasement wall, through the rotation of flabellum, uses the flabellum can inhale the chalk dust in collecting box, and the exhaust hole can get rid of the air current of broken incasement, and the filter screen is avoided the chalk dust to be taken out broken case.
Further, the bottom welding at the broken case has annular baffle, and the middle part of baffle inclines to the bottom of broken case, and the baffle forms the cone tube-shape, and the chalk dust after the breakage can fall on the baffle, simultaneously because exhaust hole bears the effect of exhaust, the chalk dust can remove along with the air current, so can pile up a large amount of chalk dust in exhaust hole department ash, and the chalk dust can drop on the baffle at gravity, then follow the inclined plane landing of baffle in the liquid reserve tank.
Further, the bottom fixedly connected with connecting rod at the spool installs the brush that is used for cleaning baffle surface chalk dust in the both sides of connecting rod, and the brush is parallel with the inclined plane of baffle, has the chalk dust that is difficult for the landing of part that adheres to on the baffle, need use the brush to brush away the chalk dust, and the baffle can avoid down the water in the liquid reserve tank to splash to the surface of broken case under the effect of external force simultaneously, and the surface of broken case once has moisture, and the chalk dust can stick on the lateral wall, and over time, along with the evaporation of moisture, the chalk dust can harden, and the chalk dust that is more and more is piled up at the chalk dust surface ash after hardening for the chalk dust volume that gets into the liquid reserve tank will diminish.
Further, be used for stirring chalk dust and the stirring leaf of water at the bottom fixedly connected with of connecting rod, when pulling the stay cord, the connecting rod rotates, and the stirring leaf mixes the chalk dust and the water that get into the liquid reserve tank along the rotation of connecting rod, and the speed of pulling through the stay cord is controlled the rotation speed of stirring leaf, avoids stirring leaf speed too fast, produces the phenomenon that liquid splashes.
Further, the bottom at the broken case of liquid reserve tank through bolted connection, install the transparent plastic panel that is used for observing chalk dust and water stirring condition on one side lateral wall of liquid reserve tank, can observe the mixed condition of interior chalk dust of liquid reserve tank and water through transparent plastic panel, can observe the capacity of liquid after the liquid reserve tank is mixed simultaneously, and then take off the liquid reserve tank, pour out and sun-dry the liquid that finishes mixing.
Further, two transverse plates are welded on two sides of the top of the collecting box, holes for penetrating the beam bolts are formed in the transverse plates, the collecting box is connected with the chalk groove through the bolts, the collecting box can be separated from the chalk groove by removing the bolts, and normal use of the chalk groove is not affected.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 (A) according to the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 (B) according to the present invention;
fig. 4 is a schematic diagram of a second embodiment of the present invention.
Reference numerals in the drawings of the specification include:
the chalk groove 1, the cross plate 1-1, the protection plate 2, the crushing box 3, the liquid storage box 4, the blade shaft 5, the blade group 5-1, the cross plate 5-2, the fan blade 5-3, the sieve mesh 5-4, the spool 6, the pull rope 6-1, the pull block 6-2, the pull rope hole 6-3, the filter screen 7, the exhaust hole 7-1, the connecting rod 8, the brush 8-1, the baffle 8-2, the stirring blade 8-3 and the plastic panel 8-4.
Detailed Description
The following is a further detailed description of the embodiments:
the pull block is arranged on the left side of the collecting box, and the exhaust hole is formed on the right side of the collecting box, so that the pull block is used as a direction reference.
An example is substantially as shown in figure 1:
embodiment one: the chalk grooves 1 are arranged at the bottom of the blackboard, the middle parts of the blackboard grooves 1 are broken, a collecting box for collecting chalk dust is arranged at the broken parts of the two blackboard grooves 1 through bolts, and the top of the collecting box is open; transverse plates 1-1 are welded on the left side and the right side of the collecting box, bolt holes are formed in the transverse plates 1-1 on the two sides, holes which can be aligned with the bolt holes are formed in the bottoms of the two chalk grooves 1, and the collecting box is installed at the break position of the chalk grooves 1 through a beam penetrating bolt in the bolt holes; the protection plate 2 is welded on the outer side surface of the collecting box, which is close to the chalk groove 1, the top of the protection plate 2 is arc-shaped, the height of the protection plate 2 is higher than that of the chalk groove 1, the protection plate 2 can prevent chalk dust from overflowing to the ground when the chalk dust is pushed into the collecting box, dirt is caused, the top of the baffle 8-2 is arc-shaped, and the protection plate 2 can be prevented from being injured when a colleague touches the protection plate.
The whole cylindrical collection box that is, the top of collection box is uncovered form, and collection box comprises broken case 3 and the liquid reserve tank 4 of vertical setting, and the inner wall of liquid reserve tank 4 is provided with the internal thread that accounts for 1/3 of liquid reserve tank 4 height, opens on the lateral wall of broken case 3 has the external screw thread that accounts for 1/3 of broken case 3 height, and liquid reserve tank 4 passes through bolted connection in the lower part of broken case 3, uses bolted connection to conveniently take off liquid reserve tank 4 from the bottom of broken case 3.
A diaphragm 5-2 is welded at a position which occupies 2/3 of the height of the crushing box 3, the diaphragm 5-2 is disc-shaped, and a circular sieve hole 5-4 which is distributed around the center of the diaphragm 5-2 is formed in the surface of the diaphragm 5-2. The center of the diaphragm plate 5-2 is sleeved with the blade shaft 5 in a sliding mode, two groups of blade groups 5-1 are welded on the left side and the right side of the blade shaft 5, the two groups of blade groups 5-1 are arranged in a staggered mode, the blade groups 5-1 arranged in a staggered mode can cut small chalk heads into powder, and the powder enters the liquid storage tank 4 through the sieve holes 5-4 penetrating through the diaphragm plate 5-2.
The top end of the blade shaft 5 is fixedly connected with a blade 5-3, a one-way bearing is fixedly connected between the blade shaft 5 and the blade 5-3, the one-way bearing is movably sleeved at the bottom end of the blade 5-3, the blade 5-3 rotates under the drive of the blade shaft 5, the rotating blade 5-3 generates suction force at the top of the collecting box, and finely divided chalk dust is sucked into the crushing box 3; the right side wall of the middle part of the crushing box 3 is provided with an exhaust hole 7-1 for exhausting, a filter screen 7 is connected to the exhaust hole 7-1 close to the inner wall of the crushing box 3 through a bolt, the filter screen 7 is made of fiber, the filter screen is made of a material similar to that of a filter element of a dust collector, the fan blades 5-3 suck chalk dust into the crushing box 3 and exhaust the chalk dust from the exhaust hole 7-1, and the chalk dust carried in air flow stays in the crushing box 3 through the filter screen 7.
A circular baffle plate 8-2 is welded at the lower part of the inside of the crushing box 3, the middle part of the baffle plate 8-2 is inclined towards the center of the bottom of the crushing box 3, so that the baffle plate 8-2 forms a cone cylinder shape, chalk dust formed after being crushed by the blade group 5-1 and the chalk dust originally in the chalk groove 1 fall onto the inclined surface of the baffle plate 8-2 through the sieve holes 5-4, and under the action of gravity, the chalk dust falls into the liquid storage box 4 along the inclined surface of the baffle plate 8-2; due to the position of the vent hole where the filter screen 7 is positioned, more chalk dust is accumulated on the inner side surface of the filter screen 7, and the inclined baffle plate 8-2 is used, so that the chalk dust at the lower part of the filter screen 7 falls into the liquid storage tank 4 along the inclined surface of the baffle plate 8-2, and long-term accumulation of the chalk dust at the lower part of the filter screen 7 is avoided.
The bottom end of the blade shaft 5 is fixedly connected with a spool 6, the spool 6 is transversely arranged, a pull rope 6-1 is wound on the spool 6, a torsion spring is arranged at the inner central line of the spool 6, two ends of a torsion spring spiral elastic metal wire are respectively fixed at the diaphragm plate 5-2 and the top surface of the blade shaft 5 and the central line of the diaphragm plate 5-2, a pull rope hole 6-3 for penetrating the pull rope 6-1 is formed in the left side wall of the crushing box 3, the pull rope 6-1 penetrates the pull rope hole 6-3 to extend to the outside of the crushing box 3, a pull block 6-2 is fixedly connected at the end part of the pull rope 6-1 extending out of the crushing box 3, and the width of the pull block 6-2 is larger than the aperture of the pull rope hole 6-3; by pulling the pull rope 6-1 to the left side of the crushing box 3, under the action of the pull rope 6-1, the spool 6 is driven to rotate clockwise, and then the blade shaft 5 is driven to rotate clockwise together with the blade group 5-1, so that the blade group 5-1 crushes chalk heads, when the pull block 6-2 is loosened, the spool 6 returns to the initial position under the action of the torsion spring, the pull rope 6-1 continues to be wound on the spool 6, at the moment, the blade group 5-1 and the blade shaft 5 rotate anticlockwise, the chalk heads are further crushed, and due to clockwise and anticlockwise rotation, when anticlockwise rotation, the blades 5-3 can reversely discharge airflow, and therefore, the blades 5-3 and the blade shaft 5 are connected through a one-way bearing, and the periphery of the blades 5-3 are connected with the side wall of the box body in a rotating manner; by pulling the loosening pull rope 6-1, the blade group 5-1 is in a stop stage for a short period of time, and at the moment, chalk dust conforming to the crushing particle size enters the lower part of the crushing box 3 through the sieve holes 5-4; meanwhile, the speed of the spool 6 can be controlled by intermittently pulling the pull rope 6-1, so that the speeds of the blade group 5-1, the blade shaft 5 and the connecting rod 8 are controlled, a certain amount of water is reserved in the liquid storage tank 4 in advance, the speed of the connecting rod 8 is too high, the stirring blade 8-3 can be too high, the water in the liquid storage tank 4 is splashed to the inner wall of the crushing tank 3, the chalk dust in the crushing tank 3 is adhered to the inner wall of the crushing tank 3 under the action of the water, and the chalk dust adhered to the inner wall can be dried and form a block shape after long time, so that the trafficability of the chalk dust in the crushing tank 3 is affected.
The stay rope hole 6-3 is a reducing hole, and the aperture of the stay rope hole 6-3 close to the inner wall of the crushing box 3 is smaller than the aperture of the stay rope hole close to the outer wall of the crushing box 3; when the chalk dust falls to the lower part of the crushing box 3 through the sieve holes 5-4, a small part of the chalk dust is carried on the pull rope 6-1, and when the pull rope 6-1 is pulled out of the crushing box 3, the chalk dust on the pull rope 6-1 is scraped off at one end with smaller aperture, so that the chalk dust is left in the crushing box 3; meanwhile, a wire protecting sleeve is embedded in the controllable interior of the pull rope 6-1, the wire protecting sleeve is not drawn in the drawing, the pull rope 6-1 can be worn with the interior of the pull rope hole 6-3 in long-term use, and the wear of the pull rope 6-1 can be reduced by using the wire protecting sleeve.
A connecting rod 8 which is vertically arranged is fixedly welded at the bottom end of the spool 6, a rod-shaped hairbrush 8-1 is welded at the 3/4 position of the connecting rod 8, the hairbrush 8-1 is welded at the left side and the right side of the connecting rod 8, the hairbrush 8-1 is inclined, the inclined hairbrush 8-1 is parallel to the inclined plane of the baffle 8-2, and bristles of the inclined hairbrush 8-1 are tightly attached to the inclined plane of the baffle 8-2; because the chalk dust slides into the liquid storage tank 4 under the action of gravity, part of the chalk dust can remain on the inclined surface of the baffle plate 8-2, the spool 6 rotates clockwise, the connecting rod 8 drives the brush 8-1 to rotate clockwise along the circle center of the connecting rod 8, and the rotating brush 8-1 brushes the residual chalk dust on the inclined surface of the baffle plate 8-2 into the liquid storage tank 4.
As shown in figure 3, the right side of the brush 8-1 is fixedly provided with a vertical brush extending upwards, and as the filter screen 7 is provided with a place where dust is adsorbed, the dust is not easy to separate automatically, the air permeability of the filter screen 7 can be affected by excessive dust adsorption, and dust on the surface of the filter screen 7 can be brushed off by the vertical brush, so that the air permeability of the filter screen 7 is ensured.
The intermittent rotation when pulling the pull rope 6-1 and loosening the pull rope 6-1 drives the hairbrush 8-1 to remove chalk dust accumulated on the surface of the baffle 8-2, and meanwhile, the chalk dust can remove the chalk dust on the surface of the filter screen 7; the brush 8-1 is intermittently rotated, the stirring blade 8-3 can stir the mixed liquid of the chalk dust and the water, and when the solution is clockwise stirred and then the solution is reversely stirred, the water which is clockwise stirred can collide under the action of inertia, and the chalk dust and the water are uniformly mixed through intermittent stirring.
The stirring blade 8-3 is fixedly welded at the bottom end 2/3 of the connecting rod 8, and the stirring blade 8-3 can mix chalk dust entering the liquid storage tank 4 with water which is placed in the liquid storage tank 4 in advance; meanwhile, a transparent plastic panel 8-4 is arranged on the right side wall of the liquid storage tank 4, stirring conditions of chalk dust and rainwater can be observed through the plastic panel 8-4, and meanwhile, whether the liquid storage tank 4 needs to be taken down or not is judged according to the height of liquid after the chalk dust and water are mixed, and the mixed liquid is poured out and dried in the sun.
Embodiment two: in contrast to the above embodiment, the screen holes 5-4 on the surface of the diaphragm 5-2 are rectangular screen holes 5-4, and the rectangular screen holes 5-4 are less likely to be clogged than the circular screen holes 5-4.
The specific implementation process is as follows:
the college installs the collecting box on the break of two chalk grooves 1 through the bolt, take down the liquid storage box 4, pour water into the liquid storage box 4, the height of water accounts for 1/2 of the height of liquid storage box 4, then screw in the liquid storage box 4 containing water along the direction of the screw thread, make the breaking box 3 link with liquid storage box 4 together; when chalk dust and chalk ends are accumulated in the chalk groove 1, the chalk dust and the chalk ends are pushed into the top of the crushing box 3 by using the rag; at this time, the outer shell of the collecting box is held by one hand, the pull block 6-2 is pulled by one hand, the pull rope 6-1 is pulled and loosened, the fan blades 5-3 rotate at this time, the chalk dust of the chalk groove 1 close to the collecting box is sucked into the crushing box 3, meanwhile, the blade group 5-1 crushes the chalk heads, at this time, the crushed chalk dust enters into the lower part of the crushing box 3 through the sieve holes 5-4 formed in the transverse partition plate 5-2, the pull block 6-2 is pulled to drive the brush 8-1 to sweep the chalk dust on the inclined surface of the baffle plate 8-2 into the liquid storage box 4, and at this time, the stirring blades 8-3 mix the chalk dust and water entering into the liquid storage box 4; after the students observe that chalk dust and water are uniformly stirred according to the transparent plastic panel 8-4, the pull block 6-2 is loosened, the pull block 6-2 returns under the action of the torsion spring, the stirring blade 8-3, the connecting rod 8, the blade group 5-1 and the fan blade 5-3 stop working, at the moment, the liquid storage tank 4 is unscrewed along the reverse direction of threads, and the stirred solution is poured into a pigment disk and dried in the sun.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (3)
1. The utility model provides a blackboard chalk groove, includes the chalk groove of installing in the blackboard bottom, its characterized in that: the middle part of the chalk groove is broken, a collecting box which is used for collecting chalk dust and is vertically arranged is arranged at the breaking position of the two chalk grooves, a protection plate which is higher than the chalk groove is arranged on one surface of the collecting box, which is close to the outer side of the chalk groove, the collecting box consists of a crushing box and a liquid storage box which is provided with water in advance, a diaphragm is arranged in the crushing box, a sieve hole which is used for passing through the chalk dust is arranged at the center of the surrounding diaphragm, a blade group which is used for crushing the chalk ends is arranged at the middle part of the diaphragm, the blade group is arranged at two sides of a blade shaft, a power mechanism which is used for driving the blade shaft to rotate is arranged at the bottom of the blade shaft, a spool is connected at the center of the bottom of the diaphragm, a torsion spring is arranged at the middle part of the spool and the center of the bottom of the diaphragm, a pull rope is wound on the spool, a pull rope hole which penetrates is arranged on one side wall of the crushing box, the stay cord passes through the stay cord hole and extends to the outside of the side wall of the crushing box, a pull block is fixed at one end of the stay cord extending out of the crushing box, a connecting rod is fixedly connected to the bottom end of the spool, brushes for cleaning chalk dust on the surface of the baffle plate are arranged at two sides of the connecting rod, the brushes are parallel to the inclined surfaces of the baffle plate, stirring blades for stirring the chalk dust and water are fixedly connected to the bottom of the connecting rod, fan blades for guiding the chalk dust to enter the crushing box are arranged at the top ends of the blade shafts, exhaust holes for ventilation are arranged on the side wall of the crushing box, a filter screen is connected to one side of the exhaust holes close to the inner wall of the crushing box through bolts, a wire protecting sleeve is clamped on the side wall of the stay cord hole, the aperture of one side of the stay cord hole close to the inner side of the crushing box is smaller than the aperture of one side far away from the inner side of the crushing box, a circular baffle plate is welded at the bottom of the crushing box, the middle part of the baffle inclines to the bottom of the crushing box, and the baffle forms a cone cylinder shape.
2. A blackboard chalk groove according to claim 1, characterized in that: the liquid storage tank is connected to the bottom of the crushing tank through a bolt, and a transparent plastic panel for observing the stirring condition of chalk dust and water is arranged on one side wall of the liquid storage tank.
3. A blackboard chalk groove according to claim 1, characterized in that: two transverse plates are welded on two sides of the top of the collecting box, and holes for passing through the binding bolts are formed in the transverse plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211043491.9A CN115320275B (en) | 2022-08-29 | 2022-08-29 | Blackboard chalk groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211043491.9A CN115320275B (en) | 2022-08-29 | 2022-08-29 | Blackboard chalk groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115320275A CN115320275A (en) | 2022-11-11 |
| CN115320275B true CN115320275B (en) | 2023-12-29 |
Family
ID=83928751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211043491.9A Active CN115320275B (en) | 2022-08-29 | 2022-08-29 | Blackboard chalk groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115320275B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202022000U (en) * | 2011-05-21 | 2011-11-02 | 金陵科技学院 | Ash taking device for blackboard |
| JP2015229348A (en) * | 2014-06-05 | 2015-12-21 | 合資会社サカワ黒板製作所 | Container for chalk marker and powder dropping tool |
| CN205523208U (en) * | 2015-12-04 | 2016-08-31 | 惠州市好小子机器人研究中心 | Automatic dust absorption chalk cover |
| CN106391189A (en) * | 2016-10-25 | 2017-02-15 | 林姝霓 | Efficient abandoned chalk end treatment device for teaching |
| CN108116128A (en) * | 2017-12-22 | 2018-06-05 | 苏州艾捷尔斯生物科技有限公司 | A kind of environment-friendly type blackboard for education with dust suction and water circulatory function |
| CN108481958A (en) * | 2018-05-21 | 2018-09-04 | 湖北工程职业学院 | A kind of chalk collection device |
| CN108937055A (en) * | 2018-08-28 | 2018-12-07 | 芜湖新使命教育科技有限公司 | A kind of campus classroom instruction chalk holder |
| CN208593195U (en) * | 2018-04-06 | 2019-03-12 | 陈宇 | A kind of chalk crushing remaking device |
| CN110341347A (en) * | 2019-08-19 | 2019-10-18 | 浙江海洋大学 | A kind of discarded chalk end recycling reprocessing equipment |
| CN209735029U (en) * | 2019-01-08 | 2019-12-06 | 漯河市青山高科技生物技术开发有限公司 | Can replace jar that refines of raw materials fast |
| CN211436066U (en) * | 2019-12-10 | 2020-09-08 | 江西婴彤健康产业有限公司 | Infant nutrition rice flour mixing arrangement |
| CN111890432A (en) * | 2020-08-03 | 2020-11-06 | 北华大学 | Teaching management auxiliary device |
| CN111995153A (en) * | 2020-09-19 | 2020-11-27 | 谭浩 | Domestic sewage treatment's environmental protection equipment |
| CN212092036U (en) * | 2020-03-24 | 2020-12-08 | 河南创新研霖食品科技有限公司 | Compounding device is used in food additive production |
| CN212790624U (en) * | 2020-05-19 | 2021-03-26 | 山东省神农生态科技股份有限公司 | Material mixing and crushing device |
| CN112793342A (en) * | 2020-12-31 | 2021-05-14 | 张海星 | Chalk reproducing machine capable of automatically erasing blackboard |
| CN213891976U (en) * | 2020-12-11 | 2021-08-06 | 朱爱华 | Environment-friendly dust-absorbing blackboard eraser |
| CN217048075U (en) * | 2022-03-09 | 2022-07-26 | 深圳久久度科技有限公司 | Dust collection device is used in cooperation of wisdom blackboard |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227577Y (en) * | 1995-07-25 | 1996-05-22 | 潘俊 | Electric dusting chalk brush |
| CN2384790Y (en) * | 1999-06-18 | 2000-06-28 | 江顺庭 | Electric dust-collecting blackboard eraser |
| CN2428310Y (en) * | 2000-05-23 | 2001-05-02 | 程薇洋 | Novel blackboard eraser |
| JP3156229U (en) * | 2009-03-18 | 2009-12-24 | 彩麗 陳 | Dust absorption type automatic blackboard eraser |
| KR20120004405U (en) * | 2010-12-12 | 2012-06-20 | 김진우 | Chalk Holder which can easily seperate broken chalk from chalk holder |
| CN203110695U (en) * | 2012-12-25 | 2013-08-07 | 重庆市清华中学校 | Blackboard groove with dust collection box |
| CN203623240U (en) * | 2013-12-18 | 2014-06-04 | 袁一凡 | Dust-free electric chalk eraser |
| CN204472287U (en) * | 2015-03-19 | 2015-07-15 | 徐美华 | Mathematical education blackboard dust gas solid separation collects escaper |
| CN205033813U (en) * | 2015-09-10 | 2016-02-17 | 张苏 | Novel multi -functional blackboard eraser dust removing box |
| CN205705890U (en) * | 2016-03-30 | 2016-11-23 | 北京物资学院 | Automatic dust removing powder blackboard eraser |
| CN206152868U (en) * | 2016-10-25 | 2017-05-10 | 林姝霓 | Teaching is with abandonment chalk head high -efficiency processing device |
| CN206474103U (en) * | 2017-01-16 | 2017-09-08 | 广州兴众化工产品有限公司 | A kind of industrial chemicals crushing, stirring conglomerate integration equipment |
| CN207535579U (en) * | 2017-06-06 | 2018-06-26 | 曾红慧 | It is a kind of can automatic scrubbing and inhale ash blackboard brush |
| CN208428857U (en) * | 2018-04-03 | 2019-01-25 | 梁译文 | A kind of chalk dust cleaning device |
| CN108501592A (en) * | 2018-05-11 | 2018-09-07 | 林若歌 | A kind of teaching class wiping chalk writing device |
| CN210792609U (en) * | 2019-03-07 | 2020-06-19 | 黄政睿 | Dust-absorbing type chalk eraser |
| CN211838145U (en) * | 2020-03-16 | 2020-11-03 | 四川城市职业学院 | Chalk dust recycling and reprocessing equipment for teaching |
| CN213797153U (en) * | 2020-09-24 | 2021-07-27 | 高伊涵 | Be used for chalk machine-shaping device |
| CN214021208U (en) * | 2020-12-04 | 2021-08-24 | 中科和素(天津)医用食品有限公司 | Super little rubbing crusher that anti-clogging blockked up |
| CN112895777A (en) * | 2021-02-07 | 2021-06-04 | 深圳华文网教育科技有限公司 | Blackboard eraser capable of intelligently erasing and improving teaching efficiency |
-
2022
- 2022-08-29 CN CN202211043491.9A patent/CN115320275B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202022000U (en) * | 2011-05-21 | 2011-11-02 | 金陵科技学院 | Ash taking device for blackboard |
| JP2015229348A (en) * | 2014-06-05 | 2015-12-21 | 合資会社サカワ黒板製作所 | Container for chalk marker and powder dropping tool |
| CN205523208U (en) * | 2015-12-04 | 2016-08-31 | 惠州市好小子机器人研究中心 | Automatic dust absorption chalk cover |
| CN106391189A (en) * | 2016-10-25 | 2017-02-15 | 林姝霓 | Efficient abandoned chalk end treatment device for teaching |
| CN108116128A (en) * | 2017-12-22 | 2018-06-05 | 苏州艾捷尔斯生物科技有限公司 | A kind of environment-friendly type blackboard for education with dust suction and water circulatory function |
| CN208593195U (en) * | 2018-04-06 | 2019-03-12 | 陈宇 | A kind of chalk crushing remaking device |
| CN108481958A (en) * | 2018-05-21 | 2018-09-04 | 湖北工程职业学院 | A kind of chalk collection device |
| CN108937055A (en) * | 2018-08-28 | 2018-12-07 | 芜湖新使命教育科技有限公司 | A kind of campus classroom instruction chalk holder |
| CN209735029U (en) * | 2019-01-08 | 2019-12-06 | 漯河市青山高科技生物技术开发有限公司 | Can replace jar that refines of raw materials fast |
| CN110341347A (en) * | 2019-08-19 | 2019-10-18 | 浙江海洋大学 | A kind of discarded chalk end recycling reprocessing equipment |
| CN211436066U (en) * | 2019-12-10 | 2020-09-08 | 江西婴彤健康产业有限公司 | Infant nutrition rice flour mixing arrangement |
| CN212092036U (en) * | 2020-03-24 | 2020-12-08 | 河南创新研霖食品科技有限公司 | Compounding device is used in food additive production |
| CN212790624U (en) * | 2020-05-19 | 2021-03-26 | 山东省神农生态科技股份有限公司 | Material mixing and crushing device |
| CN111890432A (en) * | 2020-08-03 | 2020-11-06 | 北华大学 | Teaching management auxiliary device |
| CN111995153A (en) * | 2020-09-19 | 2020-11-27 | 谭浩 | Domestic sewage treatment's environmental protection equipment |
| CN213891976U (en) * | 2020-12-11 | 2021-08-06 | 朱爱华 | Environment-friendly dust-absorbing blackboard eraser |
| CN112793342A (en) * | 2020-12-31 | 2021-05-14 | 张海星 | Chalk reproducing machine capable of automatically erasing blackboard |
| CN217048075U (en) * | 2022-03-09 | 2022-07-26 | 深圳久久度科技有限公司 | Dust collection device is used in cooperation of wisdom blackboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115320275A (en) | 2022-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206304835U (en) | One kind fallen leaves are cleaned crushes all-in-one | |
| CN210357335U (en) | Building waste crusher | |
| CN106759021A (en) | A kind of road cleaning device | |
| CN111228925A (en) | Efficient dust prevention mechanism for cutting and brushing integrated machine | |
| CN205314041U (en) | Automatic mincer that cleans of leaf | |
| CN115320275B (en) | Blackboard chalk groove | |
| CN214599613U (en) | Traditional chinese medicine processing is with omnipotent rubbing crusher | |
| CN208275136U (en) | A kind of dust-extraction unit for refining glue production | |
| CN208960056U (en) | A kind of waste material grinding device | |
| CN216640411U (en) | Sweeper without dust | |
| CN207119199U (en) | A kind of fine hair type spin line demister | |
| CN210946648U (en) | Auxiliary road environmental sanitation device | |
| CN208990965U (en) | A kind of construction waste grinding device | |
| CN210348300U (en) | Individual financial consumption platform with dustproof structure | |
| CN108296439A (en) | A kind of grinding antiquated sand collection device | |
| CN211359748U (en) | Electric tool for removing waste lubricating grease | |
| CN208867306U (en) | A kind of filter tip cutter cleaning device that spicing machine uses | |
| CN207969078U (en) | A kind of circuit board with dedusting structure | |
| CN218981401U (en) | Environment-friendly and low-dust plugging agent production device | |
| CN215278738U (en) | Automatic cleaning device for chalk eraser | |
| CN213669768U (en) | Novel powder coating's milling machine | |
| CN114471951B (en) | Dust collecting equipment with dust suppression structure | |
| CN108744779A (en) | A kind of environmental protection air purifier | |
| CN211436358U (en) | Building rubbish recycling and dedusting device | |
| CN216742096U (en) | Grain-pumping high-pressure fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |