CN206604279U - Chalk-dust suction equipment - Google Patents
Chalk-dust suction equipment Download PDFInfo
- Publication number
- CN206604279U CN206604279U CN201720224673.4U CN201720224673U CN206604279U CN 206604279 U CN206604279 U CN 206604279U CN 201720224673 U CN201720224673 U CN 201720224673U CN 206604279 U CN206604279 U CN 206604279U
- Authority
- CN
- China
- Prior art keywords
- chalk
- powder
- air
- suction
- air exhaust
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 41
- 210000000707 wrist Anatomy 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000036541 health Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of Chalk-dust suction equipment, one end of flexible pipe is socketed on the air-breathing interface for inhaling powder main frame, and the other end, which is provided with, can entangle the first strainer of wrist；One end of wire harness is electrically connected to suction powder main frame, and the other end extends through the first strainer along flexible pipe and electrically connected with switch controller；Wherein, switch controller includes housing, the positive plate being arranged in housing, negative plate and spring, one end that positive plate is fixed in housing, and is electrically connected to the positive pole for inhaling powder main frame；Negative plate is parallel to positive plate and is slidably installed in housing, negative plate is electrically connected to the negative pole for inhaling powder main frame, the side away from positive plate is stained with magnet on negative plate, one end of spring is fixed on magnet, the other end is fixed on inner walls, and the outer wall of housing, which is connected with, can entangle the second strainer of finger.The Chalk-dust suction equipment can sop up chalk dust during chalk-writing is used, and cleaning be kept, beneficial to health.
Description
Technical Field
The utility model relates to a teaching aid specifically relates to inhale chalk dust equipment.
Background
In the course of lessons or teaching, the teacher usually uses the chalk as the instrument of writing, so in the in-process that the chalk was written there can be a large amount of chalk powder to fall and cause the pollution, or be written and inhale in vivo, produce very bad influence, influence healthy.
At present, no equipment capable of sucking chalk powder in the chalk writing process exists, and therefore, it is necessary to provide a powder sucking device which can enable a chalk writer to write healthily and without pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an inhale chalk dust equipment, this inhale chalk dust equipment can be in the in-process that uses the chalk to write and inhale the chalk dust, keeps clean, is of value to healthy.
In order to achieve the purpose, the utility model provides a chalk powder sucking device which comprises a chalk powder sucking host, a hose, a wire harness and a switch controller, wherein one end of the hose is sleeved on an air suction interface of the chalk powder sucking host, and the other end of the hose is provided with a first elastic buckle which can be sleeved on a wrist; one end of the wire harness is electrically connected to the powder suction host, and the other end of the wire harness extends through the first elastic buckle along the hose and is electrically connected with the switch controller; the switch controller comprises a shell, and a positive plate, a negative plate and a spring which are arranged in the shell, wherein the positive plate is fixed at one end in the shell and is electrically connected with the positive electrode of the powder suction host; the negative pole piece is parallel to positive plate and slidable install in the casing, the negative pole piece electricity connect in inhale the negative pole of powder host computer, keep away from on the negative pole piece one side of positive plate is stained with magnet, the one end of spring is fixed in on the magnet, the other end is fixed in shells inner wall, the outer wall rigid coupling of casing has the second elasticity that can entangle the finger to detain.
Preferably, the powder suction host comprises an air inlet cavity, an air exhaust cavity, a centrifugal suction motor and an electric plate, the electric plate is detachably fixed in the air exhaust cavity, and the centrifugal suction motor is fixed in the air exhaust cavity and electrically connected to the electric plate; the centrifugal air suction motor is characterized in that the air inlet cavity is communicated with the air exhaust cavity at the bottom, a first filter layer is arranged at the communicating position, an air exhaust port is arranged at the top of the air exhaust cavity, the air exhaust direction of the air exhaust port faces the direction far away from the air inlet cavity, and a second filter layer is arranged between the air exhaust port and the centrifugal air suction motor.
Preferably, the first filter layer is sequentially provided with, in the direction from the air inlet chamber to the air outlet chamber: honeycomb filter screen and sponge filter.
Preferably, the first filter layer is provided with an activated carbon filter layer and a mesh surface filter layer in sequence from the bottom end to the top end of the exhaust cavity.
Preferably, the outer wall of the air suction interface is provided with an external thread bulge.
Preferably, the bottom of air inlet chamber is provided with the ash pouring mouth, be provided with on the ash pouring mouth with the ash pouring door that falls grey mouthful assorted.
Preferably, the centrifugal suction motor comprises a motor body and a centrifugal impeller, and the centrifugal impeller is sleeved on a rotating shaft of the motor body.
According to the technical scheme, the utility model discloses cup joint one end of hose in inhale the interface of powder host computer, the other end is equipped with the first elasticity that can entangle the wrist and detains, the effect of hose lies in the absorption and the transmission to the chalk powder, and set up first elasticity and detain on the hose, can make the powder mouth that inhales of hose follow this hand and write the position and move when using, can be timely inhale away the chalk powder; one end of the wire harness is electrically connected to the powder suction host, the other end of the wire harness extends through the first elastic buckle along the hose and is electrically connected with the switch controller, and the switch of the powder suction host is controlled by the switch controller; the switch controller comprises a shell, and a positive plate, a negative plate and a spring which are arranged in the shell, wherein the positive plate is fixed at one end in the shell and is electrically connected with the positive electrode of the powder suction host; the negative pole piece is parallel to the positive pole piece and can be slidably installed in the shell, the negative pole piece is electrically connected with the negative pole of the powder sucking host, a magnet is adhered to one side of the negative pole piece, which is far away from the positive pole piece, one end of the spring is fixed on the magnet, the other end of the spring is fixed on the inner wall of the shell, a second elastic buckle capable of sleeving fingers is fixedly connected to the outer wall of the shell, the negative pole piece capable of sliding is connected with or disconnected from the positive pole piece through sliding, the switch of the powder sucking host is easily controlled, in order to achieve the purpose of automatically controlling the sliding of the negative pole piece and the connection of the positive pole piece when chalk powder needs to be absorbed, the magnet is arranged on one side of the negative pole piece, which is far away from the positive pole piece, when the written fingers are close to the blackboard to write, the other magnet in, the magnet drives the negative plate to slide and be connected with the positive plate so as to absorb the powder, when the written fingers are far away from the blackboard, the absorption force between the magnets is smaller along with the distance between the magnets and the blackboard, and then the negative plate is pulled back under the action of the spring, so that the powder absorption host machine is opened, the powder absorption work is stopped, and a second elastic buckle for sleeving the fingers is fixedly connected to the shell of the switch controller for the portability of operation; in the specific operation, if the blackboard is made of metal capable of attracting the magnet, the chalk powder absorbing device can be directly used, and if the blackboard does not contain a substance capable of attracting the magnet, another magnet with the same size as the writing surface can be added on the back of the writing surface of the blackboard. The chalk powder sucking device can suck the chalk powder in the process of writing with chalk, keeps clean and is beneficial to body health.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the entire structure of a chalk powder sucking device according to the present invention;
FIG. 2 is an internal structure diagram of the switch controller of the chalk powder sucking device of the present invention;
fig. 3 is a top view of the powder suction main unit of the middle powder suction device of the present invention.
Description of the reference numerals
1 air inlet cavity and 2 air outlet cavities
3 hose 4 pencil
5 switch controller 6 second elastic buckle
7 first elastic buckle 8 air suction interface
9 electric plate 10 exhaust port
11 external thread bulge 12 net surface filter layer
13 centrifugal impeller with activated carbon filter layer 14
15 centrifugal air suction motor 16 honeycomb filter screen
17 sponge filter sheet 18 positive plate
19 negative pole piece 20 spring
21 dust pouring opening 22 dust pouring door
23 magnet
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to the chalk powder sucking device shown in fig. 1-3, the chalk powder sucking device comprises a chalk powder sucking host, a hose 3, a wire harness 4 and a switch controller 5, wherein one end of the hose 3 is sleeved on an air suction interface 8 of the chalk powder sucking host, and the other end of the hose is provided with a first elastic buckle 7 capable of sleeving a wrist; one end of the wire harness 4 is electrically connected to the powder suction host, and the other end of the wire harness extends through the first elastic buckle 7 along the hose 3 and is electrically connected with the switch controller 5; the switch controller 5 comprises a shell, and a positive plate 18, a negative plate 19 and a spring 20 which are arranged in the shell, wherein the positive plate 18 is fixed at one end in the shell and is electrically connected to the positive electrode of the powder suction host; negative pole piece 19 is on a parallel with positive plate 18 and slidable install in the casing, negative pole piece 19 electricity connect in inhale the negative pole of powder host computer, keep away from on the negative pole piece 19 one side of positive plate 18 is stained with magnet 23, the one end of spring 20 is fixed in on the magnet 23, the other end is fixed in shells inner wall, the outer wall rigid coupling of casing has the second elasticity that can entangle the finger and detains 6.
Through the implementation of the technical scheme, one end of the hose 3 is sleeved on the air suction interface 8 of the powder suction host, the other end of the hose 3 is provided with the first elastic buckle 7 capable of sleeving the wrist, the hose 3 is used for absorbing and transmitting chalk powder, the first elastic buckle 7 is arranged on the hose 3, the powder suction port of the hose 3 can move along with the writing position of the hand when the chalk powder suction device is used, and the chalk powder can be sucked away in time; one end of the wire harness 4 is electrically connected to the powder suction main machine, the other end of the wire harness extends through the first elastic buckle 7 along the hose 3 and is electrically connected with the switch controller 5, and the switch of the powder suction main machine is controlled by the switch controller 5; the switch controller 5 comprises a shell, and a positive plate 18, a negative plate 19 and a spring 20 which are arranged in the shell, wherein the positive plate 18 is fixed at one end in the shell and is electrically connected to the positive electrode of the powder suction host; the negative pole piece 19 is parallel to the positive pole piece 18 and can be slidably installed in the shell, the negative pole piece 19 is electrically connected with the negative pole of the powder suction host, the magnet 23 is adhered to one side of the negative pole piece 19 far away from the positive pole piece 18, one end of the spring 20 is fixed on the magnet 23, the other end of the spring is fixed on the inner wall of the shell, the second elastic buckle 6 capable of sleeving fingers is fixedly connected to the outer wall of the shell, the negative pole piece 19 capable of sliding is connected or disconnected with the positive pole piece 18 through sliding, the switch of the powder suction host is easily controlled, in order to enable chalk powder to be absorbed, the purpose of automatically controlling the sliding of the negative pole piece 19 and the connection of the positive pole piece 18 is achieved, the magnet 23 is arranged on one side of the negative pole piece 19 far away from the positive pole piece 18, at the moment, when the written fingers are close to the blackboard, the other magnet 23 in the blackboard or the metal, the magnet 23 drives the negative pole piece 19 to slide and be connected with the positive pole piece 18 so as to have the powder absorbing effect, when a written finger is far away from the blackboard, the adsorption force between the magnets 23 is smaller along with the distance between the magnets 23 and the blackboard, and then the negative pole piece 19 is pulled back under the action of the spring 20, so that the powder absorbing host is opened, the powder absorbing work is stopped, and for the portability of operation, a second elastic buckle 6 which sleeves the finger is fixedly connected to the shell of the switch controller 5; in the specific operation, if the blackboard is made of metal which can attract the magnet 23, the chalk powder absorbing device can be directly used, and if the blackboard does not contain a substance which can attract the magnet 23, another magnet 23 which is the same as the writing surface in size can be added on the back of the writing surface of the blackboard. The chalk powder sucking device can suck the chalk powder in the process of writing with chalk, keeps clean and is beneficial to body health.
In this embodiment, in order to better recover the chalk powder into the powder sucking host, preferably, the powder sucking host comprises an air inlet cavity 1, an air exhaust cavity 2, a centrifugal suction motor 15 and an electric plate 9, wherein the electric plate 9 is detachably fixed in the air exhaust cavity 2, and the centrifugal suction motor 15 is fixed in the air exhaust cavity 2 and is electrically connected to the electric plate 9; the centrifugal air suction device is characterized in that the bottoms of the air inlet cavity 1 and the air exhaust cavity 2 are communicated, a first filter layer is arranged at the communicated position, an air exhaust opening 10 is arranged at the top of the air exhaust cavity 2, the air exhaust direction of the air exhaust opening 10 faces the direction far away from the air inlet cavity 1, and a second filter layer is arranged between the air exhaust opening 10 and the centrifugal air suction motor 15. The chalk powder is sucked into the air inlet cavity 1 and stored under the action of air flow, and in order to prevent the chalk powder from affecting the action of the centrifugal air suction motor 15, a first filter layer is arranged between the air inlet cavity 1 and the air exhaust cavity 2 to prevent the chalk powder from damaging the centrifugal air suction motor 15; in addition, the second filter layer can effectively prevent chalk powder entering the exhaust cavity 2 from being discharged to the outside of the chalk powder sucking host machine.
In this embodiment, preferably, the first filter layer is provided with: a honeycomb filter screen 16 and a sponge filter 17. The discharge of large particles can be prevented by the honeycomb filter screen 16, and the discharge of small particles can be further prevented by the sponge filter 17.
In this embodiment, it is preferable that the first filter layer is provided with an activated carbon filter layer 13 and a mesh surface filter layer 12 in this order from the bottom end to the top end of the exhaust chamber 2. The active carbon filter layer 13 and the mesh surface filter layer 12 can adsorb micro particles, and the influence on human health caused by the inhalation of human body after the active carbon filter layer is discharged out of the powder absorption host machine is prevented.
In this embodiment, in order to make the connection between the hose 3 and the suction port 8 more tight, it is preferable that the outer wall of the suction port 8 is provided with an externally threaded protrusion 11.
In this embodiment, preferably, the bottom of the air intake chamber 1 is provided with an ash pouring port 21, and the ash pouring port 21 is provided with an ash pouring gate 22 matched with the ash pouring port 21. The absorbed chalk powder can be effectively discharged through the dust pouring port 21.
In this embodiment, preferably, the centrifugal suction motor 15 includes a motor body and a centrifugal impeller 14, and the centrifugal impeller 14 is sleeved on a rotating shaft of the motor body. The negative pressure of the air inlet cavity 1 is enhanced through the action of the centrifugal impeller 14, so that the chalk powder absorption effect is better.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (7)
1. The chalk powder sucking device is characterized by comprising a chalk powder sucking host, a hose (3), a wire harness (4) and a switch controller (5), wherein one end of the hose (3) is sleeved on a suction interface (8) of the chalk powder sucking host, and the other end of the hose is provided with a first elastic buckle (7) capable of sleeving a wrist; one end of the wire harness (4) is electrically connected to the powder suction host, and the other end of the wire harness extends through the first elastic buckle (7) along the hose (3) and is electrically connected with the switch controller (5); wherein,
the switch controller (5) comprises a shell, and a positive plate (18), a negative plate (19) and a spring (20) which are arranged in the shell, wherein the positive plate (18) is fixed at one end in the shell and is electrically connected to the positive electrode of the powder suction host; negative pole piece (19) are on a parallel with positive plate (18) and slidable install in the casing, negative pole piece (19) electricity connect in inhale the negative pole of powder host computer, keep away from on negative pole piece (19) one side of positive plate (18) is stained with magnet (23), the one end of spring (20) is fixed in on magnet (23), the other end is fixed in shells inner wall, the outer wall rigid coupling of casing has second elasticity that can entangle the finger and detains (6).
2. The chalk powder sucking device according to claim 1, characterized in that the powder sucking host comprises an air inlet chamber (1), an air exhaust chamber (2), a centrifugal air suction motor (15) and an electric plate (9), the electric plate (9) is detachably fixed in the air exhaust chamber (2), the centrifugal air suction motor (15) is fixed in the air exhaust chamber (2) and is electrically connected to the electric plate (9); the centrifugal air suction device is characterized in that the air inlet cavity (1) is communicated with the bottom of the air exhaust cavity (2), a first filter layer is arranged at the communicated position, an air exhaust opening (10) is formed in the top of the air exhaust cavity (2), the air exhaust direction of the air exhaust opening (10) faces away from the air inlet cavity (1), and a second filter layer is arranged between the air exhaust opening (10) and the centrifugal air suction motor (15).
3. The chalk powder absorbing device according to claim 2, characterized in that the first filter layer is provided with: a honeycomb filter screen (16) and a sponge filter sheet (17).
4. The chalk powder absorbing apparatus according to claim 2, characterized in that the first filter layer is provided with an activated carbon filter layer (13) and a mesh surface filter layer (12) in this order from the bottom end to the top end of the air discharge chamber (2).
5. The chalk powder suction device according to claim 1, characterized in that the outer wall of the suction port (8) is provided with an externally threaded protrusion (11).
6. The chalk powder sucking device according to claim 3, characterized in that the bottom of the air inlet chamber (1) is provided with a dust pouring opening (21), and a dust pouring door (22) matched with the dust pouring opening (21) is arranged on the dust pouring opening (21).
7. The chalk powder sucking device according to claim 2, characterized in that the centrifugal suction motor (15) comprises a motor body and a centrifugal impeller (14), and the centrifugal impeller (14) is sleeved on a rotating shaft of the motor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720224673.4U CN206604279U (en) | 2017-03-09 | 2017-03-09 | Chalk-dust suction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720224673.4U CN206604279U (en) | 2017-03-09 | 2017-03-09 | Chalk-dust suction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206604279U true CN206604279U (en) | 2017-11-03 |
Family
ID=60166368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720224673.4U Expired - Fee Related CN206604279U (en) | 2017-03-09 | 2017-03-09 | Chalk-dust suction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206604279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823591A (en) * | 2017-03-09 | 2017-06-13 | 安徽师范大学 | Chalk-dust suction equipment |
-
2017
- 2017-03-09 CN CN201720224673.4U patent/CN206604279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823591A (en) * | 2017-03-09 | 2017-06-13 | 安徽师范大学 | Chalk-dust suction equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20200309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |