CN216401022U - Three-dimensional dustless foam chalk - Google Patents

Abstract

The utility model discloses a three-dimensional dust-free foam chalk, which comprises a pen holder shell, a chalk end shell and an end cover body, wherein the chalk end shell is arranged at the bottom of the pen holder shell, the end cover body is arranged at the top of the pen holder shell, the pen holder shell is of a hollow structure, a liquid compressed foam bottle is arranged in the pen end shell, a foam channel corresponding to the liquid compressed foam bottle is arranged in the chalk end shell, and a foam pushing mechanism corresponding to the top of the liquid compressed foam bottle is arranged at the top of the pen holder shell.

Description

Three-dimensional dustless foam chalk

Technical Field

The utility model relates to the field of articles for daily use, in particular to a three-dimensional dust-free foam chalk.

Background

In the using process of the common chalk, chemical substances are volatilized, the body of a user is easily damaged, and the hands of the user are also polluted after the chalk is used. What color the chalk is will leave on the user's hand, and although the chalk color can be washed away, it will also cause injury to the user's hand if it is left there for a long period of time. Most of the existing dustless chalks are provided with a pen cap or a chalk dust collecting device outside the chalk, and the problems can not be solved fundamentally.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a three-dimensional dustless foam chalk, includes the pen-holder casing, sets up in the nib casing of pen-holder casing bottom and sets up in the tip lid at pen-holder casing top, the pen-holder casing sets up liquid compression foam bottle for hollow structure in it, set up the foam channel that corresponds with liquid compression foam bottle in the nib casing, pen-holder casing top sets up in the foam pushing mechanism that liquid compression foam bottle top corresponds, pushing mechanism top sets up controller and battery, the tip lid sets up in the battery top, still set up control button outside the pen-holder casing top.

Further, the bottom of the liquid compressed foam bottle is provided with a discharge pipe corresponding to the foam channel, the top of the liquid compressed foam bottle is an opening communicated with the inner bin, and the pushing mechanism is arranged corresponding to the opening at the top of the pushing mechanism.

Further, pushing mechanism is including setting up the slurcam in the liquid compression foam bottle, the slurcam top is connected with driving motor through flexible arm, driving motor top and pen-holder casing inner wall are connected, and the bottom cup joints in liquid compression foam bottle top opening.

Furthermore, the number of the liquid compressed foam bottles is multiple, the number of the foam pushing mechanisms corresponds to that of the liquid compressed foam bottles, and the liquid compressed foam bottles are filled with liquid compressed foam.

Furthermore, the top of the pen point shell is detachably connected with the bottom of the pen holder shell through a first thread group, a bearing surface corresponding to the bottom surface of the liquid compressed foam bottle is arranged in the pen point shell, and the foam channel is arranged in the center of the bearing surface.

Furthermore, the top of the foam channel is sleeved outside a discharge pipe of the liquid compressed foam bottle, the bottom of the foam channel is a tapered pipe with the diameter gradually reduced, and the bottom of the foam channel penetrates through the bottom of the pen point shell to form a foam outlet.

Furthermore, the top surface of the end cover body is also provided with a laser lamp and a miniature camera which are connected with a controller, a battery and a control button.

Furthermore, the end cover body is detachably connected with the top of the pen holder shell through a second thread group.

Furthermore, an anti-slip sleeve is sleeved on the outer wall of the bottom of the pen holder shell.

Furthermore, a pen cap is sleeved outside the pen point shell.

The main component of the traditional chalk is calcium sulfate, the traditional chalk is a white precipitate which is not easy to decompose, the particles are larger than dust, when the traditional chalk is used for writing, the chalk is worn, and a solid substance is rubbed and attached on a blackboard to form a writing trace, wherein the attachment is generally a thin layer, and the attachment trace can be regarded as a plane trace; compared with the prior art, the compressed foam replaces chalk, the problem that dust is generated when the traditional chalk is used for writing is fundamentally solved, and the problem that the traditional chalk pollutes hands can be avoided by arranging the pen holder shell and the pen point shell.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a three-dimensional dust-free foam chalk of the present invention.

FIG. 2 is a schematic bottom structure of a three-dimensional dust-free foam chalk of the present invention.

FIG. 3 is a schematic top view of a three-dimensional dust-free foam chalk of the present invention.

FIG. 4 is a schematic view of a disassembled structure of a three-dimensional dust-free foam chalk of the utility model.

FIG. 5 is a schematic view of the internal structure of a three-dimensional dust-free foam chalk of the present invention.

FIG. 6 is a schematic structural diagram of a pen head shell in a three-dimensional dust-free foam chalk of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

With reference to fig. 1-3, this embodiment discloses a three-dimensional dustless foam chalk, which includes a pen holder case 1, a pen head case 2 disposed at the bottom of the pen holder case 1, and an end cover 3 disposed at the top of the pen holder case 1, where the pen holder case 1 is a hollow structure, a liquid compressed foam bottle 4 is disposed therein, a foam channel 5 corresponding to the liquid compressed foam bottle 4 is disposed in the pen head case 2, a foam pushing mechanism 6 corresponding to the top of the liquid compressed foam bottle 4 is disposed at the top of the pen holder case 1, a controller and a battery 7 are disposed at the top of the pushing mechanism 6, the end cover 3 is disposed at the top of the battery 7, a control button 8 is further disposed at the top of the pen holder case 1, when in use, the foam in the liquid compressed foam bottle 4 is pushed out from the foam channel in the pen head case 2 by the foam pushing mechanism 6 for writing, and for increasing functions, the top surface of the end cover 3 is further disposed with the controller, The battery 7, the laser lamp 11 and the miniature camera 12 connected with the control button 8, the laser lamp 11 can play an indicating role in a classroom, and the miniature camera 12 can shoot contents; the outer wall of the bottom of the pen holder shell 1 is sleeved with an anti-slip sleeve 14, and the pen cap 15 is sleeved outside the pen point shell 2.

The quantity of liquid compression foam bottle 4 can be one or more, and the quantity of foam pushing mechanism 6 corresponds with liquid compression foam bottle 4, and liquid compression foam bottle 4 sets up threely in this embodiment, is equipped with white compression foam, red hydraulic pressure compression foam and blue liquid compression foam wherein respectively, consequently, when using, can release the foam of different colours through the foam pushing mechanism 6 that control corresponds, and promotes simultaneously, can obtain mixed foam.

With reference to fig. 4, the bottom of the liquid compressed foam bottle 4 is provided with a discharge pipe 401 corresponding to the foam channel 5, the top is an opening communicated with the inner bin, and the pushing mechanism 6 is arranged corresponding to the opening at the top; pushing mechanism 6 is including setting up the slurcam 601 in liquid compression foam bottle 4, and slurcam 601 top is connected with driving motor 603 through flexible arm 602, and driving motor 603 top and pen-holder casing 1 inner wall connection, the bottom cup joints in liquid compression foam bottle 4 top opening, and driving motor 603 can set up the spacing ring outward for be convenient for restrict the installation depth when liquid compression foam bottle 4 installs.

The top of the pen point shell 2 is detachably connected with the bottom of the pen holder shell 1 through a first thread group 9, so that the pen point shell 2 can be detached from the pen holder shell, a liquid compressed foam bottle in the pen holder shell can be detached and replaced, and meanwhile, the end cover body 3 is detachably connected with the top of the pen holder shell 1 through a second thread group 13, so that a battery can be replaced; set up in the corresponding loading end 10 in 4 bottom surfaces of liquid compression foam bottle in nib casing 2, foam channel 5 sets up in loading end 10 center, 5 tops of foam channel cup joint outside 4 discharging pipes of liquid compression foam bottle, the bottom is the toper pipe that the diameter reduces gradually, 2 bottoms formation foam export 10 of nib casing are run through to foam channel 4 bottom, and simultaneously, nib casing 2 is the deformable material and makes, during writing, external force makes foam channel 5, loading end 10 inwards extrudees 4 bottom outlet faces of liquid compression foam bottle, make the foam in the liquid compression foam bottle 4 flow out.

When the pen point is used, the pen point shell is stressed, the foam channel and the bearing surface push the bottom surface of the liquid compression foam bottle inwards to release the foam, and therefore after writing is finished, when the pen point leaves a blackboard plate, the pen point shell rebounds outwards without external force, and foam release is stopped.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a three-dimensional dustless foam chalk which characterized in that, includes the pen-holder casing, sets up in the nib casing of pen-holder casing bottom and sets up in the tip lid at pen-holder casing top, the pen-holder casing sets up liquid compression foam bottle for hollow structure in it, set up the foam passageway that corresponds with liquid compression foam bottle in the nib casing, pen-holder casing top sets up in the foam pushing mechanism that liquid compression foam bottle top corresponds, pushing mechanism top sets up controller and battery, the tip lid sets up in the battery top, still set up control button outside pen-holder casing top.

2. The three-dimensional dust-free foam chalk of claim 1, wherein the liquid compressed foam bottle is provided with a discharge pipe corresponding to the foam passage at the bottom, an opening communicated with the inner bin at the top, and the pushing mechanism is provided corresponding to the opening at the top.

3. The three-dimensional dust-free foam chalk of claim 1, wherein the pushing mechanism comprises a pushing plate arranged in a liquid compressed foam bottle, the top of the pushing plate is connected with a driving motor through a telescopic arm, the top of the driving motor is connected with the inner wall of the pen holder shell, and the bottom of the driving motor is sleeved in an opening at the top of the liquid compressed foam bottle.

4. The three-dimensional dust-free foam chalk of claim 1, wherein the number of the liquid compressed foam bottles is multiple, the number of the foam pushing mechanisms corresponds to the number of the liquid compressed foam bottles, and the liquid compressed foam bottles are filled with liquid compressed foam.

5. The three-dimensional dust-free foam chalk as claimed in claim 1, wherein the top of the chalk housing is detachably connected with the bottom of the pen holder housing through a first thread group, the chalk housing is internally provided with a bearing surface corresponding to the bottom of the liquid compressed foam bottle, and the foam channel is arranged in the center of the bearing surface.

6. The three-dimensional dust-free foam chalk as claimed in claim 1, wherein the top of the foam channel is sleeved outside a discharge pipe of the liquid compressed foam bottle, the bottom of the foam channel is a tapered pipe with a gradually reduced diameter, and the bottom of the foam channel penetrates through the bottom of the chalk head shell to form a foam outlet.

7. The three-dimensional dust-free foam chalk as claimed in claim 1, wherein a laser lamp and a miniature camera which are connected with a controller, a battery and a control button are further arranged on the top surface of the end cover body.

8. The three-dimensional dust-free foam chalk as claimed in claim 1, wherein the end cover is detachably connected with the top of the holder shell through a second thread group.

9. The three-dimensional dust-free foam chalk as claimed in claim 1, wherein an anti-slip sleeve is sleeved on the outer wall of the bottom of the pen holder shell.

10. The three-dimensional dust-free foam chalk as claimed in claim 1, wherein a cap is sleeved outside the chalk end housing.

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