CN208772058U - A kind of chalk eraser dust device - Google Patents

A kind of chalk eraser dust device Download PDF

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Publication number
CN208772058U
CN208772058U CN201821160403.2U CN201821160403U CN208772058U CN 208772058 U CN208772058 U CN 208772058U CN 201821160403 U CN201821160403 U CN 201821160403U CN 208772058 U CN208772058 U CN 208772058U
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China
Prior art keywords
spring
shell
drawstring
chalk
pilot unit
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CN201821160403.2U
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Chinese (zh)
Inventor
陈军
林振衡
陈璘琳
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Putian University
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Putian University
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Abstract

The utility model provides a kind of chalk eraser dust device, including shell, spring dedusting mechanism, bayonet baffle and box cover, and spring dedusting mechanism includes spring, drawstring and pilot unit, and the side wall of shell is provided with through-hole.Chalkboard eraser is placed on the bayonet baffle of shell by the technical program, housing seal is covered by box cover again, and then pull drawstring, so that drawstring pulls spring along pilot unit, spring unclamps drawstring after being drawn as a radian, the chalk dust on chalkboard eraser is hit down to shell in the snag of chalkboard eraser, and then by way of whipping by the effect spring bullet of elastic force, then take out chalkboard eraser can carry out using.Therefore, it is purged the chalk dust on chalkboard eraser only by the operation of pulling drawstring, so that chalk eraser dust device is easy to operate, it is easy to use and cheap, convenient for being widely used to promote.

Description

A kind of chalk eraser dust device
Technical field
The utility model relates to chalkboard eraser field more particularly to a kind of chalk eraser dust devices.
Background technique
Traditional chalkboard eraser, due to low in cost and historical reasons, China is vast in territory in addition, the injustice of each department development Weighing apparatus, it is therefore contemplated that will be also widely present within one period.It is black to need to shrug off wiping during reuse for chalkboard eraser The chalk dust being attached to after plate on chalkboard eraser.Currently, the method used mainly beats blackboard slot, the foot of a wall, dais with chalkboard eraser Lower part carries out chalk dust removal.In the process of implementing the utility model, inventor exists in the prior art asks as follows Topic: by tremble dust collecting method be easy to caused by fugitive dust, and then to cleaning personnel health and classroom health cleaning adversely affect. Or removed by the way of washing, chalkboard eraser, which needs to dry the long period, after water cleaning to use, and is easy to cause The problem of service life of chalkboard eraser shortens.
And the common configuration of existing chalkboard eraser bugduster apparatus is complex, there are multiple mechanical transmission structures and volume compared with Greatly, cause use process relatively complicated.Use motor for the chalkboard eraser bugduster apparatus of driving source, then improve its automate depth it is same When, also lead to the increase of cost and inconvenient for use;Due to the complexity of structure, higher operating costs, thus be unfavorable for product into Row is extensive to be promoted and applied.And existing chalkboard eraser bugduster apparatus mostly uses greatly the mode of " striking off " chalkboard eraser dedusting to carry out clearly Except chalk dust, it is easy to cause excessive damage to chalkboard eraser, reduces its service life, influence erasing blackboard effect again.
Utility model content
For this reason, it may be necessary to provide a kind of chalk eraser dust device, solution is existing by manually removing the chalk dust on chalkboard eraser, with And existing chalkboard eraser bugduster apparatus uses cumbersome problem.
To achieve the above object, a kind of chalk eraser dust device, including shell, spring dedusting mechanism, card are inventor provided Mouth baffle and box cover;The box cover is arranged in the opening of shell, and the bayonet baffle plate setting is in the intracorporal opposite two sides of shell On face, for bayonet baffle between spring and housing top surface, spring dedusting mechanism includes spring, drawstring and pilot unit, spring It is arranged between the intracorporal opposite two sides of shell, pilot unit is arranged on the intracorporal side of shell, and pilot unit is located at bullet Between spring and the intracorporal bottom surface of shell, the side wall of the shell is provided with through-hole, and the side wall where through-hole is and pilot unit The opposite housing sidewall of channeling direction, on the side wall of shell of the through-hole between pilot unit and spring, the setting of drawstring one end At the middle part of spring, the other end of drawstring is used for around pilot unit and passes through through-hole setting;Bayonet baffle is for blocking wait tremble The metal-back of the chalkboard eraser of dirt, and the snag of chalkboard eraser is located on spring.
Further, the spring is provided with more, and more springs are disposed side by side between the intracorporal opposite sides face of shell.
Further, the pilot unit is guide post or fixed pulley.
It further, further include pedestal, the bottom surface of the shell is provided with ash discharge port, and the bottom surface of shell is arranged in pedestal On.
Further, the spring dedusting mechanism is additionally provided with terminal ball, and the other end of drawstring is arranged in the terminal ball On.
It is different from the prior art, chalkboard eraser is placed on the bayonet baffle of shell by above-mentioned technical proposal, then passes through box cover Housing seal is covered, and then pulls drawstring, so that drawstring pulls spring along pilot unit, spring is being drawn as a radian After unclamp drawstring, through the effect spring bullet of elastic force in the snag of chalkboard eraser, and then will be on chalkboard eraser by way of whipping Chalk dust hit down to shell, then take out chalkboard eraser can carry out using.Therefore, only by pull drawstring operation into Row removes the chalk dust on chalkboard eraser, so that chalk eraser dust device is easy to operate, it is easy to use and cheap, it is convenient for It is widely used to promote.
Detailed description of the invention
Fig. 1 is the structure chart of chalk eraser dust device described in specific embodiment;
Fig. 2 is the cross-sectional view of chalk eraser dust device described in specific embodiment.
Description of symbols:
10, shell;101, through-hole;
20, spring dedusting mechanism;201, spring;202, drawstring;203, pilot unit;
204, terminal ball;
30, bayonet baffle;40, box cover;
50, pedestal;501, ash discharge port;
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality It applies example and attached drawing is cooperated to be explained in detail.
Fig. 1 and Fig. 2 are please referred to, the present embodiment provides a kind of chalk eraser dust devices, including shell 10, spring dedusting mechanism 20, bayonet baffle 30 and box cover 40;The box cover is arranged in the opening of shell, and the bayonet baffle plate setting is in the intracorporal phase of shell Pair two sides on, for bayonet baffle between spring and housing top surface, spring dedusting mechanism includes spring 201,202 and of drawstring Pilot unit 203, spring are arranged between the intracorporal opposite two sides of shell, and pilot unit is arranged on the intracorporal side of shell, And pilot unit is located between spring and the intracorporal bottom surface of shell, the side wall of the shell is provided with through-hole 101, and where through-hole Side wall is the housing sidewall opposite with the channeling direction of pilot unit, the side of shell of the through-hole between pilot unit and spring On wall, the middle part of spring is arranged in drawstring one end, and the other end of drawstring is used for around pilot unit and passes through through-hole setting;Bayonet Baffle is used to block the metal-back of the chalkboard eraser of dirt to be trembled, and the snag of chalkboard eraser is located on spring.
It is to be whipped using the elastic force of spring to the snag of chalkboard eraser in the present embodiment, so that the snag of chalkboard eraser On chalk dust fall, achieve the purpose that remove chalkboard eraser on chalk dust.Specifically, chalkboard eraser to be placed in the bayonet of shell On baffle, so that the metal valve jacket on chalkboard eraser is stuck on buckle baffle, and the snag of chalkboard eraser is towards spring, and can abut against It places on spring, then is covered housing seal by box cover, so that shell is in the state of sealing.At this point, by manually to Outer pulling drawstring is pulled and is bent downwardly in the middle part of spring under the action of drawstring, since pilot unit is lower than logical where stretching Hole site, therefore spring can be pulled at pilot unit by drawstring when pulling, so that the elastic force of spring is with bending deformation Degree becomes larger and becomes larger, therefore after unclamping drawstring, and spring passes through quick bullet vertically upward under the action of elastic force to chalkboard eraser Snag, whip in the snag of chalkboard eraser, the effect vibrated by the impact of spring and spring itself, adhere on chalkboard eraser Chalk dust will be shaken off, and chalk dust by the bottom surface for settling shell, whips chalk by repeated multiple times under gravity The snag of wiping, circulation realize the function of the dust on chalkboard eraser.Shell can pass through the Ya Ke with transparent performance simultaneously Power plate or armorplate glass are made, and people is allowed to see whether still have dust to be shaken off by transparent shell, into And judge whether that trembling dirt finishes.In addition entirely trembling dirt process is completed in a closed cavity, therefore, is avoided tradition and is trembled The chalk dust of dirt process is flown upward.And after the chalk dust adhered on completing removing chalkboard eraser, so that it may take out chalkboard eraser and use. Shirtsleeve operation mode is fixed without special clamping device, it is only necessary to be placed in shell, then covering box cover can be into Row operation, therefore in, the student of primary school can easily grasp the method that chalk eraser dust device uses.And chalk is wiped Dirt device does not have complicated mechanical structure and motor, electric drive link, therefore its structure is relatively easy reliable and low in cost. By way of impact, damage not will cause for the snag of chalkboard eraser, i.e., the service life of chalkboard eraser will not be caused to damage, Therefore easily the chalk dust adhered on chalkboard eraser can be hit down in such a way that dirt is trembled in impact, improves chalk eraser dust device The convenience used.
Spring described in the present embodiment is provided with more, more springs be disposed side by side on the intracorporal opposite sides face of shell it Between.The spring of more of installation side by side is set, then passes through the one-to-one middle part for being bundled in spring of drawstring of bull, therefore pulling When other end drawstring, more spring bendings can be driven simultaneously, and then strike to chalkboard eraser, reach and quickly hit chalkboard eraser down The purpose of the dust of upper attachment.
Pilot unit described in the present embodiment is guide post or fixed pulley.Drawstring can be reduced by guide post or fixed pulley Frictional force, and then improve the service life of drawstring.Spring dedusting mechanism is additionally provided with terminal ball 204, institute in the present embodiment Terminal ball is stated to be arranged on the other end of drawstring.It is taken the other end of drawstring, while can also be kept away convenient for people by terminal ball Exempt from drawstring to be drawn into shell, improves the practicability of chalk eraser dust device.
It further include pedestal 50 in the present embodiment, the bottom surface of the shell is provided with ash discharge port 501, the bottom surface setting of shell On pedestal.There is an ash discharge port on pedestal, therefore the chalk dust shaken off can all drop down onto shell, then pass through housing bottom surface Ash discharge bung hole concentrate on pedestal, therefore only need to periodically remove pedestal and be cleared up, the chalk dust of collection can be cleared up dry Only, the practicability of chalk eraser dust device is improved.Can not have bottom plate for the bottom of shell, i.e., using pedestal as shell Bottom plate, therefore the chalk dust shot down is directly fallen on pedestal.And in cleaning, remove the lower bottom base and chalk dust on pedestal is clear Reason is clean.
It should be noted that being not intended to limit although the various embodiments described above have been described herein The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent Within enclosing.

Claims (5)

1. a kind of chalk eraser dust device, it is characterised in that: including shell, spring dedusting mechanism, bayonet baffle and box cover;
The box cover is arranged in the opening of shell, and the bayonet baffle plate setting is on the intracorporal opposite two sides of shell, bayonet For baffle between spring and housing top surface, spring dedusting mechanism includes spring, drawstring and pilot unit, and spring is arranged in shell Between interior opposite two sides, pilot unit is arranged on the intracorporal side of shell, and pilot unit is located in spring and shell Bottom surface between, the side wall of the shell is provided with through-hole, and the side wall where through-hole is channeling direction phase with pilot unit Pair housing sidewall on, on the side wall of shell of the through-hole between pilot unit and spring, spring is arranged in drawstring one end Middle part, the other end of drawstring are used for around pilot unit and pass through through-hole setting;Bayonet baffle is used to block the chalk of dirt to be trembled The metal-back of wiping, and the snag of chalkboard eraser is located on spring.
2. a kind of chalk eraser dust device according to claim 1, it is characterised in that: the spring is provided with more, more Spring is disposed side by side between the intracorporal opposite sides face of shell.
3. a kind of chalk eraser dust device according to claim 1, it is characterised in that: the pilot unit is guide post or determines Pulley.
4. a kind of chalk eraser dust device according to claim 1, it is characterised in that: it further include pedestal, the bottom of the shell Face is provided with ash discharge port, and the bottom surface of shell is set on the base.
5. a kind of chalk eraser dust device according to claim 1, it is characterised in that: the spring dedusting mechanism is additionally provided with Terminal ball, the terminal ball are arranged on the other end of drawstring.
CN201821160403.2U 2018-07-18 2018-07-18 A kind of chalk eraser dust device Active CN208772058U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821160403.2U CN208772058U (en) 2018-07-18 2018-07-18 A kind of chalk eraser dust device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821160403.2U CN208772058U (en) 2018-07-18 2018-07-18 A kind of chalk eraser dust device

Publications (1)

Publication Number Publication Date
CN208772058U true CN208772058U (en) 2019-04-23

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CN201821160403.2U Active CN208772058U (en) 2018-07-18 2018-07-18 A kind of chalk eraser dust device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115090620A (en) * 2022-07-12 2022-09-23 郑州铁路职业技术学院 Cleaning device is patted on electric power transmission cable surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115090620A (en) * 2022-07-12 2022-09-23 郑州铁路职业技术学院 Cleaning device is patted on electric power transmission cable surface

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