CN208411182U - A kind of porous body - Google Patents
A kind of porous body Download PDFInfo
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- CN208411182U CN208411182U CN201820870759.9U CN201820870759U CN208411182U CN 208411182 U CN208411182 U CN 208411182U CN 201820870759 U CN201820870759 U CN 201820870759U CN 208411182 U CN208411182 U CN 208411182U
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- porous body
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Abstract
The utility model relates to a kind of porous bodies, including buffer part, liquid collecting portion and the capillary portion of successively decreasing being arranged between buffer part and liquid collecting portion, the rising capillary pressure in capillary of successively decreasing portion is successively decreased from liquid collecting portion to buffer part, and the rising capillary pressure of buffer part is 20% to the 80% of the rising capillary pressure in liquid collecting portion.Using the Painting and writing tool of the utility model porous body, it can be convenient user's observation and scribble liquid measure, improve user experience, and ink leak under unusual condition can be effectively prevented.
Description
Technical field
The utility model relates to a kind of porous body, in particular to the paint-on techniques such as writing, cosmetics, opaquing fluid, liquid glue
Porous body in the direct-liquid type Painting and writing tool in field.
Background technique
In the field of scribbling, porous material is widely used, and such as in watercolor pencil, eyeliner, uses porous material
Expect as the material for absorbing and accommodating liquid.In the prior art, most common porous material is shape by film coated fibre bundle
At rolled core, penholder is packed into when use and is inserted into painting writing head, rolled core both ends are communicated with the atmosphere, air when to inject liquid
It is spread to both ends discharge, liquid to both ends, liquid discharges when being also convenient for scribbling.But the liquid outlet quantity of rolled core is when can be with using
Between increase and gradually decrease, in turn result in that the handwriting is blurred, and rolled core has the shortcomings that raffinate amount is big.People exist always thus
New Painting and writing tool is studied to overcome the shortcomings that rolled core is as liquid storage medium.
Patent document (Japan real public clear 56-7504 bulletin) disclose use the porous material of two different porosities as
The direct-liquid type Painting and writing tool of imbibition material, wherein the second imbibition material scribbles liquid and to painting from the receiving of the supply opening of liquid storage bottom of the tube
Writing head feed flow is connected to the gas-guide tube of liquid storage pipe through the second imbibition material and abuts with the first imbibition material, when scribbling liquid the
It is conducted to the first imbibition material when superfluous in two imbibition materials, the first imbibition material scribbles fluid-tight gas-guide tube after liquid hold-up increase,
To realize the purpose of automatic liquid supply.The shortcomings that patent is only enough from the absorption of the second imbibition material when the first imbibition material
When scribbling liquid could fluid-tight gas-guide tube, needed in imbibition material when fluid-tight to scribble liquid measure big, even if not yet scribbling, liquid storage pipe
In leave to scribble liquid measure less, user can take for scribbling liquid to be filled less, or when can't see in liquid storage pipe scribble liquid when,
Much liquid is scribbled although still having in imbibition material, and user, which will mistakenly believe that, to scribble liquid and have run out, and both of which is led
Cause poor user experience.
Utility model content
To solve the problems, such as that traditional rolled core Painting and writing tool and past some direct-liquid type Painting and writing tools exist, this is practical new
Type proposes a kind of porous body, including buffer part, liquid collecting portion and the capillary portion of successively decreasing being arranged between buffer part and liquid collecting portion, successively decreases
The rising capillary pressure in capillary portion is successively decreased from liquid collecting portion to buffer part, and the rising capillary pressure of buffer part is the rising capillary pressure in liquid collecting portion
20% to 80%.
Further, capillary of successively decreasing portion and the cross-sectional area that liquid collecting portion borders on be successively decrease capillary portion border on buffer part it is transversal
The 10%-65% of area.
Further, the density in liquid collecting portion is between 0.08-0.5g/cc, and the density of buffer part is between 0.03-0.25g/cc.
Further, porous body further includes porous body accommodating chamber, and liquid collecting portion is by porous body accommodating chamber radial compression from outside to inside
Porous material and formed.
Further, porous body is made of long filament bonding.
Further, porous body is made of short fine bonding.
Further, the fibre number of porous body is made between 0.2-30 denier.
Further, the fibre composition that porous body is made is one-component fiber, is perhaps bicomponent fibre or is single group
The mixture of part fiber and bicomponent fibers.
Further, porous body radial center is equipped with through-hole.
Further, radial compression porous material is formed from inside to outside by gas liquid exchanger for liquid collecting portion and capillary portion of successively decreasing,
Middle gas liquid exchanger is the component that exchanging gas and liquid are used in Painting and writing tool.
Technical solution according to the present utility model can be convenient user's observation and scribble liquid measure, improves user experience, and can
To be effectively prevented ink leak under unusual condition.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
Fig. 1 is the knot of the Painting and writing tool using the utility model porous body provided according to the utility model first embodiment
Structure schematic diagram.
Fig. 2 is according to different type gas in the Painting and writing tool using the utility model porous body of the utility model embodiment
The structural schematic diagram of the cross section (cross section of plane where liquid collecting portion upper surface) of liquid exchanger.
Fig. 3 a is the Painting and writing tool using the utility model porous body provided according to the utility model second embodiment
Structural schematic diagram.
Fig. 3 b is in the Painting and writing tool using the utility model porous body provided according to the utility model second embodiment
The structural schematic diagram of the cross section (cross section of plane where liquid collecting portion upper surface) of gas liquid exchanger.
Fig. 4 a is the Painting and writing tool using the utility model porous body provided according to the utility model 3rd embodiment
Structural schematic diagram.
Fig. 4 b is in the Painting and writing tool using the utility model porous body provided according to the utility model 3rd embodiment
The structural schematic diagram of the cross section (cross section of plane where liquid collecting portion upper surface) of gas liquid exchanger.
Fig. 5 a is the Painting and writing tool using the utility model porous body provided according to the utility model fourth embodiment
Structural schematic diagram.
Fig. 5 b is in the Painting and writing tool using the utility model porous body provided according to the utility model fourth embodiment
The structural schematic diagram of the cross section (cross section of plane where liquid collecting portion upper surface) of gas liquid exchanger.
Fig. 6 a is the Painting and writing tool using the utility model porous body provided according to the 5th embodiment of the utility model
Structural schematic diagram.
Fig. 6 b is in the Painting and writing tool using the utility model porous body provided according to the 5th embodiment of the utility model
The structural schematic diagram of the cross section (cross section of plane where liquid collecting portion upper surface) of gas liquid exchanger.
Fig. 7 a is the Painting and writing tool using the utility model porous body provided according to the utility model sixth embodiment
Structural schematic diagram.
Fig. 7 b is in the Painting and writing tool using the utility model porous body provided according to the utility model sixth embodiment
The structural schematic diagram of the cross section (cross section of plane where liquid collecting portion upper surface) of gas liquid exchanger.
Fig. 8 a is the Painting and writing tool using the utility model porous body provided according to the 7th embodiment of the utility model
Structural schematic diagram.
Fig. 8 b is in the Painting and writing tool using the utility model porous body provided according to the 7th embodiment of the utility model
The structural schematic diagram of the cross section (cross section of plane where liquid collecting portion upper surface) of gas liquid exchanger.
Fig. 9 is the knot of the Painting and writing tool using the utility model porous body provided according to the 8th embodiment of the utility model
Structure schematic diagram.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this theory
The advantages of bright revealed content of book understands the utility model easily and effect.Although the description of the utility model will in conjunction with compared with
Good embodiment is introduced together, but this feature for not representing this utility model is only limitted to the embodiment.On the contrary, combining real
The purpose that the mode of applying makees utility model introduction is to be possible to extend to cover the claim based on the utility model
Other selections or transformation.In order to provide to the understanding of the depth of the utility model, be described below in will include many concrete details.
The utility model can also be implemented without using these details.In addition, having in order to avoid the emphasis of chaotic or fuzzy the utility model
A little details will be omitted in the de-scription.
In addition, "upper", "lower", "front", "rear" used in the following description, should not be construed as to the utility model
Limitation."lower" " preceding ", which refers to, in the utility model scribbles first end, and "upper" " rear " refers to liquid storage pipe one end.
It is that a standard is big that the normal condition or not specifically specified situation mentioned in the utility model, which typically refer to room temperature,
The case where air pressure, unusual condition refer to the case where ambient temperature or pressure deviate normal condition.Rise capillary in the utility model
The definition of pressure P is the porous material (liquid collecting portion or buffer part) when sufficient length (generally requiring 5-10cm), at nominal conditions,
The pressure for scribbling liquid liquid level and liquid lifting height h generation is scribbled after placing 30 minutes vertically of one end just exposure level,
P=ρ gh,
Wherein ρ is the density for scribbling liquid, and g is acceleration of gravity, and h is to scribble liquid lifting height
The test method for scribbling liquid lifting height h is defined as follows in the present invention:
1) porous material that length is H is put into and scribbles imbibition extremely saturation in liquid, tested it and be saturated imbibition weight W0,
2) liquid is scribbled with same porous material and similarly, one end of porous material is just contacted and scribbles liquid liquid level simultaneously
Vertical to place 30 minutes, testing its imbibition weight is W,
3) h value is calculated are as follows: h=(W/W0)x H
First embodiment
Fig. 1 is the knot of the Painting and writing tool using the utility model porous body provided according to the utility model first embodiment
Structure schematic diagram.With reference to Fig. 1, a kind of Painting and writing tool using the utility model porous body is present embodiments provided, including applies writing head
1；The porous body 2 being connected to painting writing head 1, porous body 2 are connected to ambient atmosphere；Gas liquid exchanger 3；Pass through gas-liquid with porous body 2
The liquid storage pipe 4 that exchanger 3 is connected to.Wherein, porous body 2 has close to the liquid collecting portion 22 of liquid storage pipe 4, is arranged below liquid collecting portion 22
Successively decrease capillary portion 21 and the buffer part 20 that is arranged in below capillary portion 21 of successively decreasing；The rising capillary pressure in capillary of successively decreasing portion 21
Successively decrease from liquid collecting portion 22 to buffer part 20；Gas liquid exchanger 3 has air guide channel 30 and liquid-conveying ducts 31, air guide channel 30
Front end is arranged between liquid collecting portion upper end and capillary subordinate end of successively decreasing.
The rising capillary pressure of buffer part 20 is the 20-80% of the rising capillary pressure in liquid collecting portion 22, and liquid is scribbled in liquid collecting portion 22
Capacity is the 2%-25% of liquid storage pipe capacity.Air guide channel 30 front end setting liquid collecting portion upper end and successively decrease capillary subordinate end it
Between, the lower end of upper end and capillary portion of successively decreasing including liquid collecting portion.It is preferred that the middle part in liquid collecting portion is arranged in the front end of air guide channel 30
Position between the middle part in capillary portion of successively decreasing.It may insure that porous body scribbles liquid memory capacity with sufficient in this way, into one
Step ensures that leakage will not be led to because buffer capacity is insufficient under unusual condition.
The rising capillary pressure of buffer part 20 is the 20%-80% of the rising capillary pressure in liquid collecting portion 22, for example, buffer part 20
Rising capillary pressure be liquid collecting portion 22 rising capillary pressure 20%, 30%, 40%, 50%, 60%, 70%, 80%.Work as buffering
When the rising capillary pressure and the bigger ratio of the rising capillary pressure in liquid collecting portion 22 in portion 20, the liquid of scribbling for being enriched in liquid collecting portion 22 is got over
It is easy to be absorbed into successively decrease capillary portion 21 and buffer part 20.When the rising capillary pressure of rising the capillary pressure and liquid collecting portion 22 of buffer part 20
Ratio get over hour, the liquid of scribbling for being enriched in liquid collecting portion 22 is more difficult to be absorbed into successively decrease capillary portion 21 and buffer part 20.
It is a large amount of to apply when the rising capillary of buffer part 20 pressure and the ratio of the rising capillary pressure in liquid collecting portion 22 are more than 80%
Successively decrease capillary portion 21 and buffer part 20 can be absorbed by writing liquid, cause the liquid of scribbling in liquid storage pipe to largely reduce, user is difficult to correctly
The usage amount of liquid is scribbled in judgement.Also, due to successively decreasing capillary portion 21 and buffer part 20 just absorbs a large amount of paintings at nominal conditions
Liquid is write, the buffer capacity in successively decrease capillary portion 21 and buffer part 20 is greatly reduced, it in an abnormal situation can be because of buffer capacity not
Lead to leakage enough.When the rising capillary of buffer part 20 pressure and the ratio of the rising capillary pressure in liquid collecting portion 22 are lower than 20%, delay
The imbibition ability for rushing portion 20 is too small, and in an abnormal situation, extra liquid of scribbling can not be by the sufficiently suction of buffer part 20 in liquid collecting portion 22
It receives and leads to leakage.
The ratio preferred scope of rising the capillary pressure and the rising capillary pressure in liquid collecting portion 22 of the buffer part 20 of present embodiment
It is 50% to 70%.
The 2%-25% for scribbling the capacity that liquid capacity is liquid storage pipe in liquid collecting portion 22, for example, liquid appearance is scribbled in liquid collecting portion 22
Amount is 2%, 5%, 10%, 15%, 20%, the 25% of 4 capacity of liquid storage pipe.It is porous according to application the utility model of the present embodiment
The Painting and writing tool of body, liquid storage pipe 4 is transferred to collection after can effectively limiting the Painting and writing tool assembling using the utility model porous body
The amount of liquid in liquid portion 22 can make to be not coated with the 75% of the capacity for writing the amount of liquid in preceding liquid storage pipe 4 not less than liquid storage pipe, conveniently make
Liquid measure is scribbled in user's observation, improves user experience.
After being completed using the Painting and writing tool of the utility model porous body, the liquid of scribbling in liquid storage pipe 4 is exchanged through gas-liquid
The liquid-conveying ducts 31 of device 3 directly or indirectly import porous body 2, are enriched in and rise the highest liquid collecting portion 22 of capillary pressure, simultaneously
Negative pressure is gradually formed in liquid storage pipe 4, air enters liquid storage pipe 4 through the air guide channel 30 of gas liquid exchanger 3.With in porous body 2
Scribble liquid increase, scribble liquid and gradually capture capillary gap near 30 front end of air guide channel, air guide channel 30 by gradually fluid-tight,
Air does not enter back into liquid storage pipe 4, scribbles liquid and reaches balance between liquid storage pipe 4 and porous body 2.When scribbling, the painting on writing head 1 is applied
It writes liquid to be consumed, liquid is scribbled in porous body 2 to apply 1 feed flow of writing head by liquid-conveying ducts 31, liquid collecting portion 22 or capillary portion 21 of successively decreasing
Amount reduces, until the liquid of scribbling in the capillary gap near 30 front end of air guide channel is replaced by air, outside air is through in penholder
Gas circuit, the capillary gap of not scribbling liquid in porous body 2 enters the air guide channel 30 of gas liquid exchanger 3, and enters liquid storage pipe
4, the negative pressure decline in liquid storage pipe 4 scribbles liquid and porous body 2 is exported and added to from liquid-conveying ducts 31, until in porous body 2
Scribble liquid increase and again fluid-tight air guide channel 30.The process constantly repeats to run out until scribbling liquid.
Using the Painting and writing tool of the utility model porous body, the front end setting of air guide channel 30 in 22 upper end of liquid collecting portion and is passed
Subtract between 21 lower end of capillary portion, the rising capillary pressure of buffer part 20 is 20% to the 80% of the rising capillary pressure in liquid collecting portion 22, collection
The 2%-25% that liquid capacity is liquid storage pipe capacity is scribbled in liquid portion 22.Therefore, under normal condition in porous body 2 to scribble liquid main
It is enriched in liquid collecting portion 22.To make it is most of scribble liquid, usually 75% or more, stayed in front of not scribbling in liquid storage pipe 4.
In an abnormal situation, it is heated in transport or use process such as liquid storage pipe 4, the air in liquid storage pipe 4 expands, is negative
Drops, the liquid of scribbling in liquid storage pipe 4 exports to porous body 2 at this time, and under the action of rising capillary pressure, these are scribbled liquid and are collected
Liquid portion 22, capillary of successively decreasing portion 21 and buffer part 20 absorb, and rebalance between porous body 2 and liquid storage pipe 4 until scribbling liquid,
The leakage of painting writing head 1 for the Painting and writing tool for scribbling liquid from application the utility model porous body can be effectively prevented in this way.When above-mentioned different
When normal situation disappears, the negative pressure in liquid storage pipe 4 increases, and scribbles liquid from porous body 2 and returns to liquid storage pipe 4 through gas liquid exchanger 3, until
It is rebalanced between porous body 2 and liquid storage pipe 4.
<porous body, buffer part, capillary of successively decreasing portion, liquid collecting portion>
The porous body 2 of the utility model, including buffer part 20, liquid collecting portion 22 and setting buffer part 20 and liquid collecting portion 22 it
Between capillary portion 21 of successively decreasing, the rising capillary pressure in capillary of successively decreasing portion 21 successively decreases from liquid collecting portion 22 to buffer part 20, buffer part 20
Rise 20% to the 80% of the rising capillary pressure that capillary pressure is liquid collecting portion 22.
The cross-sectional area that the porous body 2 of the utility model, capillary of successively decreasing portion 21 and liquid collecting portion 22 border on is capillary portion of successively decreasing
The 10%-65%, preferably 25%-50% of 21 cross-sectional areas bordered on buffer part 20.Numerical value is smaller, buffer part 20 and liquid collecting
The rising capillary pressure difference in portion 22 is away from bigger.
The density in liquid collecting portion 22 is between 0.08-0.5g/cc, and the density of buffer part 20 is between 0.03-0.25g/cc, g/cc
For gram/cc.When the density of buffer part 20 is less than 0.03, buffer part 20 is difficult to form, and manufacture is difficult.When buffer part 20
Density be greater than 0.25, the imbibition ability of buffer part 20 is too strong, cause under normal condition, in buffer part 20 to deposit ink amount excessive,
Reduce leakage prevention of the porous body 2 under abnormality.Preferably 0.06-0.16g/cc.
Porous body 2 can also include porous body accommodating chamber 5, and liquid collecting portion 22 is squeezed by porous body accommodating chamber 5 is radial from outside to inside
It presses porous material and is formed.
Porous body 2 is made of long filament or short fine bonding, and the method for bonding can use the bonding ways such as binder or heat bonding.
The fibre number of porous body 2 is made between -30 denier of 0.2 denier.Denier refers to the fiber of 9000m long in official regain
Quality grams.Fibre number -10 denier of preferably 1.5 denier of porous body 2, -6 denier of most preferably 2 denier is made in the utility model.
The fibre composition that porous body 2 is made is one-component fiber, is perhaps bicomponent fibre or is one-component fiber
With the mixture of bicomponent fibers.
2 radial center of porous body is equipped with through-hole.The lower end of porous body in the utility model, the i.e. lower end of buffer part 20 connect
Logical atmosphere, to carry out gas-liquid exchange glibly, rapidly to absorb and release and scribble liquid.Porous body is by fibre in the utility model
Porous material made of tieing up, fiber of the porous body by bondable fibers or without bonding are made, but can also be by sponge, porous plastics
Or felt etc. is made.By certain technology controlling and process, the axial strength of bondable fibers porous body can be made to be higher than radial strength, both
Convenient for radial compression, and convenient for axial assembling.Can also while fiber is bonded pore-forming, convenient for gas liquid exchanger 3 and scribbling
First 1 insertion.
Porous body 2 includes buffer part 20, capillary of successively decreasing portion 21 and liquid collecting portion 22, is integral type or split type.Integral type
Structure is easy to assembly, and cost is relatively low, and split type structure has more choices in the material selection in each portion.
When buffer part 20 and capillary portion 21 of successively decreasing are integrated, the rising capillary of buffer part 20 presses and successively decreases capillary portion 21 most
The rising capillary pressure of lower end is identical.When liquid collecting portion 22 and successively decrease capillary portion 21 be integrated when, liquid collecting portion 22 rising capillary pressure with
The rising capillary pressure of 21 the top of capillary of successively decreasing portion is identical.When buffer part 20, capillary of successively decreasing portion 21 and liquid collecting portion 22 are split type
When, it can be according to the selection of material, rising capillary pressure and 21 the lowermost of capillary portion of successively decreasing of buffer part 20 rise capillary pressure can be with
Identical or different, the rising capillary in liquid collecting portion 22 pressure and the rising capillary pressure of 21 the top of capillary portion of successively decreasing can be identical or not
Together.
The utility model can form liquid collecting portion 22 and capillary portion 21 of successively decreasing using integral type porous material radial compression, both
Meet the requirement to capillary pressure is risen, and reduce component, convenient for manufacture.The rising capillary pressure in capillary of successively decreasing portion 21 is passed from top to bottom
Subtract, in this case, the top half performance in capillary of successively decreasing portion 21 is close to liquid collecting portion 22, and its lower half portion performance is close slow
Rush portion 20.In this configuration, the liquid of scribbling that setting 30 front position of air guide channel is conducive to increase in porous body 2 down contains
Amount improves the liquid outlet quantity of the Painting and writing tool using the utility model porous body；Up setting 30 front position of air guide channel is advantageous
In reducing the liquid hold-up of scribbling in porous body 2, porous body 2 is improved to the buffer capacity and leakage prevention capability for scribbling liquid.
The radial center of buffer part 20, capillary of successively decreasing portion 21 or liquid collecting portion 22 can form through-hole, to incite somebody to action when ease of assembly
It applies writing head 1 and gas liquid exchanger 3 is inserted into porous body 2.When liquid collecting portion 22, capillary of successively decreasing portion 21 or buffer part 20 have through-hole, on
State the cross-sectional area that cross-sectional area does not include hole.
20 voidage of buffer part is the liquid storage pipe volume of 1-150%, the liquid storage pipe volume of preferably 20-60%.It is this
Design can rationally using the space inside penholder, while ensure Painting and writing tool using the utility model porous body in transport and
Liquid is scribbled in use process when the gentle buckling of temperature not leaked from writing head 1 from applying.
<gas liquid exchanger>
Using the Painting and writing tool of the utility model porous body, 30 front end of air guide channel of gas liquid exchanger 3 is arranged in liquid collecting
Position between 22 upper end of portion and 21 lower end of capillary portion of successively decreasing.Successively decrease under capillary portion 21 when the front position of air guide channel 30 is located at
When end, the fluid-tight of air guide channel 30 is most difficult to occur, and liquid hold-up is most for scribbling in porous body 2, is suitable for the big application of liquid outlet quantity
The Painting and writing tool of the utility model porous body.When the front end of air guide channel 30 is located at 22 center of liquid collecting portion, air guide channel 30
Fluid-tight most easily occurs, and liquid measure is minimum, and such case is suitble to the lesser application the utility model of liquid outlet quantity more for scribbling in porous body 2
The Painting and writing tool of hole body.
When the front end of air guide channel 30 is set from the top in bottom toward the capillary portion 21 of successively decreasing in capillary portion 21 of successively decreasing,
The amount of liquid that 30 front end of fluid-tight air guide channel needs gradually reduces in porous body 2, scribbles liquid measure reduction in porous body 2, with
Just it is suitble to the Painting and writing tool using the utility model porous body of different liquid outlet quantities.Due to successively decrease capillary portion 21 more toward upper end it is transversal
Area is smaller, and this technology bring additional advantage is: the top of 30 front end of air guide channel closer to capillary portion 21 of successively decreasing, gas
Liquid of scribbling when liquid balances in porous body 2 substantially reduces.
Therefore, in an abnormal situation, if the top of 30 front end of air guide channel closer to capillary portion 21 of successively decreasing, Ruo Yinwen
Degree, which rises, to be caused to scribble liquid from when the export of liquid-conveying ducts 31 in liquid storage pipe 4, and porous body 2 has more added absorption to scribble liquid
Capacity, to significantly improve the anti-ability for scribbling liquid leakage.
Using the Painting and writing tool of the utility model porous body, liquid collecting portion 22, capillary of successively decreasing portion are inserted into 31 front end of liquid-conveying ducts
21, it buffer part 20 or applies in writing head 1, the setting of the front ends of liquid-conveying ducts 31 is lower, scribbles liquid and penetrates into and applies the distance of writing head 1 and get over
Short, liquid supply speed is faster when scribbling.
Using the Painting and writing tool of the utility model porous body, liquid-conveying ducts 31 can be arranged in air guide channel 30,
In this case, can be with 31 front position of flexible setting liquid-conveying ducts, if 31 front end of liquid-conveying ducts is against nib, liquid is scribbled in shortening
The distance of nib is transferred to from 31 front end of liquid-conveying ducts.
Using the Painting and writing tool of the utility model porous body, air guide channel 30 can also be arranged in liquid-conveying ducts 31,
In such a case, it is possible to 30 back-end location of flexible setting air guide channel, if 30 rear end of air guide channel is protruded into liquid storage pipe 4,
In the case where extraneous high negative, when the liquid level in liquid storage pipe 4 drops to the rear end for exposing air guide channel 30, in liquid storage pipe 4
Air can be exported by air guide channel 30, to be further reduced the export for scribbling liquid in liquid storage pipe 4, reduce risk of leakage.
Air guide channel 30 and liquid-conveying ducts 31 described in the utility model can also be set side by side, the front-end and back-end of the two
Position can distinguish flexible setting, to meet the requirement of the Painting and writing tool of different application the utility model porous body.
Using the Painting and writing tool of the utility model porous body, liquid-conveying ducts 31 can be hollow pipe, and this structure goes out
Liquid is fast, is conducive to increase liquid outlet quantity, is suitable for the Painting and writing tool using the utility model porous body of high liquid outlet quantity, is also suitable for
Liquid is scribbled containing particle or fragment, such as the skin lotion containing particle, liquid chalk scribble liquid, opaquing fluid.
Using the Painting and writing tool of the utility model porous body, liquid-conveying ducts 31 can be diversion core, diversion core drain performance
It is reliable and stable, it is easily manufactured.
Using the Painting and writing tool of the utility model porous body, liquid-conveying ducts can be hollow diversion core, in liquid-conveying ducts
Hole be air guide channel, structure is simple.Pipe can also be inserted into hollow diversion core, pipe is air guide channel, air guide
Channel can extend in liquid storage pipe.
Fig. 2 is according to inhomogeneity in the Painting and writing tool provided by the embodiment of the utility model using the utility model porous body
Some structural schematic diagrams of the cross section (cross section of plane where liquid collecting portion upper surface) of type gas liquid exchanger.As shown in Fig. 2,
The structure of gas liquid exchanger 3 can be two-tube coaxial channel 2a, and liquid-conveying ducts 31 are arranged in air guide channel 30, i.e., inner tube is formed as
Liquid-conveying ducts 31, the circular passage between inner and outer tubes are formed as air guide channel 30, and liquid-conveying ducts 31 are hollow pipe.
The structure of gas liquid exchanger 3 can be single tube double way 2b, i.e., single tube is separated into 30 He of air guide channel by partition
Liquid-conveying ducts 31.
The structure of gas liquid exchanger 3 can be single tube diversion core 2c, and liquid-conveying ducts 31 are arranged in air guide channel 30, i.e. drain
Channel 31 is diversion core, and the circular passage between diversion core and outer tube is formed as air guide channel 30.
The structure of gas liquid exchanger 3 can be single tube trough of belt diversion core 2d, i.e., the diversion core in single tube is formed as liquid-conveying ducts
31, the channel slotted on diversion core wall surface and generated is formed as air guide channel 30.
The structure of gas liquid exchanger 3 can also be two-tube coaxial channel 2e, and the structure that such structure is different from 2a is, air guide
Channel 30 is arranged in liquid-conveying ducts 31, i.e., inner tube is formed as air guide channel 30, and the circular passage between inner and outer tubes is formed
For liquid-conveying ducts 31, in this case, the rear end of air guide channel 30 can be protruded into liquid storage pipe 4 and be more than liquid level in liquid storage pipe,
Liquid-conveying ducts 31 are hollow annular pipe.
The structure of gas liquid exchanger 3 can be hollow diversion core 2f, and air guide channel 30 is arranged in liquid-conveying ducts 31, i.e. diversion
Hole in core is formed as air guide channel 30.
The structure of gas liquid exchanger 3 can be any one of listed above, or other knots with similar functions
Structure.
Liquid-conveying ducts 31 are arranged in air guide channel 30.This structure is reinforced while saving 3 volume of gas liquid exchanger
The intensity of gas liquid exchanger 3, the occupied space ratio in porous body 2 of gas liquid exchanger 3 is small, is also beneficial to be inserted into porous body
2 and destruction to porous body 2 is reduced, assembling is very easy in the small penholder of internal diameter.
Using the Painting and writing tool of the utility model porous body, the air guide channel 30 of gas liquid exchanger 3 is one or more.It leads
Quantity, size and the air guide channel in gas channel 30 and the relative position of liquid-conveying ducts can be according in the needs and penholder of liquid outlet quantity
The flexible in size in portion space is arranged, this is another advantage of the utility model.
Using the Painting and writing tool of the utility model porous body, the front end of liquid-conveying ducts 31 or air guide channel 30 can be sharp
Shape, to facilitate insertion porous body 2.
Air guide channel 30 and liquid-conveying ducts 31 using the Painting and writing tool of the utility model porous body, in gas liquid exchanger 3
It is combined together, gas liquid exchanger 3 is located at the radial center of porous body 2 or liquid-conveying ducts are located in the radial direction of porous body 2
The heart, make to scribble liquid be transmitted to apply writing head 1 distance it is short, scribble more smooth, manufacture is easier.And be conducive to improve gas liquid exchanger
3 intensity, convenient for the assembling of the Painting and writing tool of application the utility model porous body, even if manufacturing the tiny application of penholder internal diameter originally
The Painting and writing tool of utility model porous body is also very easy to.
<applying writing head>
Using the Painting and writing tool of the utility model porous body, applying writing head 1 is the component for writing or smearing liquid, applies writing head 1
Rear end can be inserted buffer part 20, insertion successively decrease capillary portion 21, against or insertion liquid collecting portion 22.It applies 1 rear end of writing head and is inserted into liquid collecting
Be conducive to painting writing head 1 when portion 22 to come into full contact with liquid collecting portion 22, improve liquid supply speed and reliability.
Using the Painting and writing tool of the utility model porous body, after 31 front end of liquid-conveying ducts may pass through porous body 2 and apply writing head 1
Against painting 1 length of writing head is short in this case, advantageously reduces and applies writing head cost between end.
It is porous between 31 front end of liquid-conveying ducts and painting 1 rear end of writing head using the Painting and writing tool of the utility model porous body
The porous material of body 2.When some scribble liquid it is unstable be easy to happen precipitating and apply writing head be easy be deposited blocking when, liquid-conveying ducts
31 front ends and the porous material applied between writing head 1 can filter out these sediments, and clogging deposits is prevented to apply writing head 1.
<liquid storage pipe>
In Painting and writing tool using the utility model porous body, liquid storage pipe 4 is the filling component for scribbling liquid, and can use can
The liquid storage pipe 4 of replacement is conducive to reuse the components such as penholder 6, reduces the wasting of resources.The liquid storage pipe 4 of replacement can be used be spirally connected,
The various ways such as clamping are connected to the top of the penholder 6 using the Painting and writing tool of the utility model porous body.
<penholder>
The Painting and writing tool using the utility model porous body in the present embodiment further includes penholder 6, and the top of penholder 6 can one
Body is formed with liquid storage pipe 4, can also be detachably connected with liquid storage pipe 4.
The lower part of penholder 6, which can be wholely set installation and apply writing head 1, scribbles headstock 10, scribble headstock 10 can individually at
Then type is removably mounted on the lower part of penholder 6.
The top of penholder 6 can be wholely set partition 61, can also be removably installed separately formed partition 61.
Gas liquid exchanger can be integrally disposed upon on partition 61, can also be separately formed, be then removably mounted on partition 61.
<porous body accommodating chamber>
The Painting and writing tool using the utility model porous body in the present embodiment further includes porous body accommodating chamber 5, porous body 2
All or at least liquid collecting portion 22 is mounted in porous body accommodating chamber 5.Be made certain shapes porous body accommodating chamber 5 can allow it is porous
The easily moulding of body 2, to form successively decrease capillary portion 21 and the liquid collecting portion 22 of suitable shape.That is liquid collecting portion 22 and capillary portion of successively decreasing
21 can by porous body accommodating chamber from outside to inside radial compression porous body and formed.
When buffer part 20 or liquid collecting portion 22 and capillary portion 21 of successively decreasing are split type structure, porous body accommodating chamber 5 facilitates
It is in close contact between each material, liquid is made smoothly to circulate between each portion.
Using the Painting and writing tool of the utility model porous body, the liquid collecting portion 22 when being installed to porous body accommodating chamber 5 of porous body 2
It is shaped into capillary portion 21 of successively decreasing and requires shape.The porous material of front upper and lower consistent in density is installed in selection in this case,
When installation using the shape of porous body accommodating chamber 5 by porous material moulding at the porous body 2 for requiring shape, it is convenient to manufacture,
It is low in cost.
Compared with prior art, using the Painting and writing tool of the utility model porous body scribble smoothness and be not easy in the dead of night, raffinate
Amount is less, structure is simply easily fabricated, scribbles liquid measure convenient for users to observing in liquid storage pipe, can be widely used in different type painting
Tool is write to liquid outlet quantity and the requirement for scribbling liquid type.
Second embodiment
As best shown in figures 3 a and 3b, the present embodiment is similar to first embodiment structure, and the part being identical with the first embodiment exists
It is repeated no more in the description of the present embodiment.Difference is, the liquid collecting portion 22 of the present embodiment by with the integrally formed porous body of partition
Radial compression integral type porous material is formed accommodating chamber 5 from outside to inside, and is taken advantage of a situation and to be formed capillary portion 21 of successively decreasing.Buffer part 20 it is upper
Rising capillary pressure is that liquid collecting portion 22 rises the 60% of capillary pressure；The cross-sectional area in liquid collecting portion 22 is 20 cross-sectional area of buffer part
35%, scribble the capacity that liquid capacity is liquid storage pipe 10% in liquid collecting portion 22.30 front end of air guide channel is arranged under liquid collecting portion 22
End, liquid-conveying ducts 31 are to be stuck in the diversion core in air guide channel 30 by reinforcing rib 32, and front end is arranged under buffer part 20
End, and against painting 1 rear end of writing head.The capillary gap volume of buffer part 20 is the 50% of liquid storage pipe volume.
The present embodiment is suitble to the Painting and writing tool using the utility model porous body of medium liquid outlet quantity, such as watercolor pencil.Using
After the Painting and writing tool of the utility model porous body is completed, the liquid of scribbling in liquid storage pipe 4 imports porous body through liquid-conveying ducts 31
2, and it is enriched in the top in liquid collecting portion 22 and capillary portion 21 of successively decreasing, while negative pressure is gradually formed in liquid storage pipe 4, air is logical through air guide
Road 30 enters liquid storage pipe 4.As the liquid of scribbling in porous body 2 increases and captures the capillary gap near 30 front end of air guide channel,
Air guide channel 30 does not enter back into liquid storage pipe 4 by fluid-tight, air, scribbles liquid and reaches balance between liquid storage pipe 4 and porous body 2.It applies
The liquid of scribbling applied on writing head 1 when writing is consumed, and liquid collecting portion 22, capillary of successively decreasing portion 21 and liquid-conveying ducts 31 are to apply 1 ink supply of writing head,
When the amount of liquid in porous body 2 reduces, the liquid of scribbling in capillary gap near 30 front end of air guide channel is taken by air
Generation, outside air enter air guide channel 30 through the gas circuit in penholder 6, the capillary gap of not scribbling liquid in porous body 2, finally into
Enter liquid storage pipe 4, the negative pressure decline in liquid storage pipe 4 scribbles liquid and porous body 2 is exported and added to from liquid-conveying ducts 31, until porous
Liquid increase and again fluid-tight air guide channel 30 are scribbled in body 2.The process constantly repeats to be write until scribbling liquid.
In an abnormal situation, as liquid storage pipe 4 is heated during transportation, under the air expansion, negative pressure in liquid storage pipe 4
Drop, the liquid of scribbling in liquid storage pipe 4 exports to liquid collecting portion 22 and is transferred to capillary portion 21 of successively decreasing, buffer part 20 at this time, these are scribbled
Liquid is absorbed by porous body 2 to be rebalanced between porous body 2 and liquid storage pipe 4 until scribbling liquid, can be effectively prevented scribble in this way
Liquid is leaked from the painting writing head 1 of the Painting and writing tool of application the utility model porous body.When above-mentioned unusual condition disappears, liquid storage pipe 4
Interior negative pressure increases, and the liquid of scribbling in porous body 2 returns to liquid storage pipe 4 through gas liquid exchanger 3, until in porous body 2 and liquid storage pipe
It is rebalanced between 4.
In the present embodiment, the front position of air guide channel is set downwards, will be increased in porous body 2 and be scribbled liquid hold-up,
It can be increased the liquid outlet quantity for applying writing head.
3rd embodiment
As shown in Figs. 4a and 4b, the present embodiment is similar to the structure of first embodiment, but liquid-conveying ducts 31 are hollow pipe,
Front end is located at 21 middle and lower part of capillary portion and against written rear end of successively decreasing；30 front end of air guide channel is located among capillary portion 21 of successively decreasing.
Liquid collecting portion 22 and capillary portion 21 of successively decreasing are integrated, and buffer part 20 is fission, and the rising capillary pressure of buffer part 20 is in liquid collecting portion 22
Rise the 80% of capillary pressure.Each portion of porous body is respectively positioned in porous body accommodating chamber 5；The cross-sectional area in liquid collecting portion 22 is buffer part 20
The 65% of cross-sectional area, scribble the capacity that liquid capacity is liquid storage pipe 15% in liquid collecting portion 22, the capillary gap body of buffer part 20
Product is the 60% of liquid storage pipe volume, and being provided with for the present embodiment is conducive to improve the fluency scribbled containing particle-liquid, such as liquid powder
Board pen ink, opaquing fluid etc..Fourth embodiment
As shown in figure 5a and 5b, the present embodiment is similar to first embodiment structure, but liquid-conveying ducts 31 are to be mounted on plastics
The groove of diversion core with groove in pipe 33, plastic tube 33 and diversion core forms air guide channel 30, the setting of 33 front end of plastic tube
Position can determine the front position of air guide channel 30, and in the present embodiment, the front end of air guide channel 30 is located at liquid collecting portion 22
Centre, 31 front end of liquid-conveying ducts are located at the lower end in liquid collecting portion 22.Porous body 2 is integral type porous material, 21 He of capillary of successively decreasing portion
Liquid collecting portion 22 is located in porous body accommodating chamber 5.Buffer part 20 is that liquid collecting portion 22 rises the 70% of capillary pressure；The cross in liquid collecting portion 22
Sectional area is the 50% of 20 cross-sectional area of buffer part, scribble the capacity that liquid capacity is liquid storage pipe 10% in liquid collecting portion 22, buffering
The capillary gap volume in portion 20 is the 70% of liquid storage pipe volume.The plastic tube 33 of liquid storage pipe 4, partition 61 and package diversion core is independent
It is integrally formed, facilitates modularization assembling.1 rear end of writing head is applied close to 22 lower end of liquid collecting portion.This structure is conducive to sticky scribble liquid
Scribble, such as eye-liner, liquid glue.
5th embodiment
As shown in figure 6 a and 6b, the present embodiment is similar to first embodiment structure, and difference is, the liquid collecting portion of the present embodiment
22 be fission, remaining each portion is integrated；Capillary of successively decreasing portion 21 and liquid collecting portion 22 are located in porous body accommodating chamber 5.Buffer part 20
Rising capillary pressure is that liquid collecting portion 22 rises the 20% of capillary pressure, and the cross-sectional area in liquid collecting portion 22 is 20 cross-sectional area of buffer part
10%, scribble the capacity that liquid capacity is liquid storage pipe 2% in liquid collecting portion 22, the capillary gap volume of buffer part 20 is liquid storage pipe
The 150% of volume.The lower end in capillary portion 21 of successively decreasing is arranged in 30 front end of air guide channel, and liquid-conveying ducts 31 are diversion core, front end
It is inserted into and is applied in writing head 1 across porous body 2.The rear end of air guide channel 30 and liquid-conveying ducts 31 and the clamping of liquid storage pipe 4 are arranged.
The present embodiment is suitable for the very big Painting and writing tool of amount out of ink, is such as used for the writing brush of calligraphy and drawing.The present embodiment is adopted
With replaceable liquid storage pipe, the components such as penholder can be reused, save use cost.
Sixth embodiment
As illustrated in figs. 7 a and 7b, the present embodiment is similar to first embodiment structure, but air guide channel 30 and liquid-conveying ducts 31
Using parallel construction, against the upper end in liquid collecting portion 22,31 lower end of liquid-conveying ducts is located in liquid collecting portion 22 for the lower end of air guide channel 30
Between, the rising capillary pressure of buffer part 20 is that liquid collecting portion 22 rises the 50% of capillary pressure, and the cross-sectional area in liquid collecting portion 22 is buffer part
The 25% of 20 cross-sectional area, scribble the capacity that liquid capacity is liquid storage pipe 25% in liquid collecting portion 22, the capillary of buffer part 20 are empty
Gap volume is the 1% of liquid storage pipe volume, and the top of porous body 2 has absorption portion 23, and the rising capillary pressure in absorption portion 23 is less than slow
Rush the rising capillary pressure in portion 20.Buffer part 20, capillary of successively decreasing portion 21 and liquid collecting portion 22 are integral type porous material, and are located at porous
In body accommodating chamber 5.
As shown in Figure 7a, 30 rear end of air guide channel can be protruded into liquid storage pipe 4, in the case where extraneous high negative,
When the liquid level in liquid storage pipe 4 drops to the rear end for exposing air guide channel 30, air can pass through air guide channel 30 in liquid storage pipe 4
Export, to reduce the export for scribbling liquid in liquid storage pipe 4, further decreases risk of leakage.Air guide channel in gas liquid exchanger 3
30 and liquid-conveying ducts 31 be in juxtaposition, gas liquid exchanger 3 can be located at porous body 2 radial center or gas liquid exchanger 3
Liquid-conveying ducts 31 be located at the radial center of porous body 2.The working principle of the present embodiment is similar to Example 3, liquid-conveying ducts
31 and air guide channel 30 be set side by side particularly suitable for ellipse penholder.
7th embodiment
As shown in figure 8, the present embodiment is the variation of first embodiment.The part being identical with the first embodiment is in this implementation
It is repeated no more in the description of example.Difference is that gas liquid exchanger 3 includes outer tube 32 and inner tube 33,33 front end of outer tube 32 and inner tube
Positioned at 22 lower end of liquid collecting portion；Liquid-conveying ducts 31, inner tube 33 are formed by the way that hollow diversion core is arranged between outer tube 32 and inner tube 33
Interior channel forms air guide channel 30, and the rear end of inner tube 33 extends in liquid storage pipe 4, preferentially extends in liquid storage pipe 4
Portion, the i.e. rear end of air guide channel 30 are located at the middle and upper part of liquid storage pipe 4.Written rear end close to 31 front end of liquid-conveying ducts, outer tube 32 with
Partition 61 is wholely set.
Buffer part 20, capillary of successively decreasing portion 21 and liquid collecting portion 22 are separate structure, and each portion is respectively positioned in porous body accommodating chamber 5.
The rising capillary pressure of buffer part 20 is that liquid collecting portion 22 rises the 50% of capillary pressure；The cross-sectional area in liquid collecting portion 22 is buffer part 20
The 20% of cross-sectional area；Scribble the capacity that liquid capacity is liquid storage pipe 5% in liquid collecting portion 22；The capillary gap volume of buffer part 20
It is the 20% of liquid storage pipe volume.This set can allow the air in liquid storage pipe to pass through air guide channel in extraneous high negative
Discharge, therefore can be further improved the ability of anti-leak.
8th embodiment
As shown in figure 9, the present embodiment is the variation of first embodiment.The part being identical with the first embodiment is in this implementation
It is repeated no more in the description of example.Difference is that it is porous body accommodating chamber that penholder 6 is simultaneous in the present embodiment, and gas liquid exchanger 3 is made down
Portion is cone, so that radial compression porous material forms liquid collecting portion 22 and capillary portion 21 of successively decreasing from inside to outside.Gas liquid exchanger 3
Fluting or hole form air guide channel 30 on the side wall in liquid collecting portion 22 or capillary portion 21 of successively decreasing.Leading in gas liquid exchanger 3
The front end in liquid channel 31 pass through porous body 2 with apply writing head 1 be connected to, painting writing head 1 and porous body 2 pass through liquid-conveying ducts 31 between in succession
It is logical；Scribble the capacity that liquid capacity is liquid storage pipe 5% in liquid collecting portion 22.The rising capillary pressure of buffer part 20 is that liquid collecting portion 22 rises
The 60% of capillary pressure, the cross-sectional area in liquid collecting portion 22 are the 35% of 20 cross-sectional area of buffer part, the capillary gap body of buffer part 20
Product is the 80% of liquid storage pipe volume.
Liquid-conveying ducts 31 can improve the fluency scribbled directly to writing head ink supply is applied.In an abnormal situation, such as liquid storage pipe
4 are heated during transportation, and air expansion, negative pressure decline in liquid storage pipe 4 scribble liquid by leading in liquid storage pipe 4 at this time
The perimeter surface in liquid channel 31 exports in porous body 2, rebalances between porous body 2 and liquid storage pipe 4 until scribbling liquid, in this way
It can be effectively prevented and scribble liquid from the painting leakage of writing head 1.When above-mentioned unusual condition disappears, the negative pressure in liquid storage pipe 4 increases, porous
Liquid of scribbling in body 2 returns to liquid storage pipe 4, until rebalancing between porous body 2 and liquid storage pipe 4.The present embodiment is suitble to various
Painting and writing tool, as white board marker, marking pen, gel ink pen, correction pen, liquid chalk, liquid glue apply write device, eyeliner and signature
Pen etc..
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.It answers
Refer to the tool in office appliance for writing and scribbling with the Painting and writing tool of the utility model porous body, and for making up
All kinds of liquid applicator tools in the fields such as product, opaquing fluid, liquid glue.
Claims (10)
1. a kind of porous body, which is characterized in that including buffer part, liquid collecting portion and setting the buffer part and the liquid collecting portion it
Between capillary portion of successively decreasing, the rising capillary pressure in the capillary portion of successively decreasing successively decreases from the liquid collecting portion to the buffer part, described slow
It is 20% to the 80% of the rising capillary pressure in the liquid collecting portion that the rising capillary for rushing portion, which is pressed,.
2. porous body as described in claim 1, which is characterized in that the capillary portion of successively decreasing borders on transversal with the liquid collecting portion
Area is described to successively decrease capillary portion and the 10%-65% of cross-sectional area that the buffer part is bordered on.
3. porous body as described in claim 1, which is characterized in that the density in the liquid collecting portion is between 0.08-0.5g/cc, institute
The density of buffer part is stated between 0.03-0.25g/cc.
4. porous body as described in claim 1, which is characterized in that the porous body further includes porous body accommodating chamber, the collection
Liquid portion by the porous body accommodating chamber from outside to inside radial compression porous material and formed.
5. porous body as described in claim 1, which is characterized in that the porous body is made of long filament bonding.
6. porous body as described in claim 1, which is characterized in that the porous body is made of short fine bonding.
7. porous body as described in claim 1, which is characterized in that the fibre number of the porous body is made between 0.2-30
Denier.
8. porous body as described in claim 1, which is characterized in that the fibre composition that the porous body is made is that one-component is fine
Dimension, or be bicomponent fibre.
9. porous body as described in claim 1, which is characterized in that the porous body radial center is equipped with through-hole.
10. porous body as described in claim 1, which is characterized in that the liquid collecting portion and it is described successively decrease by gas liquid exchanger by
Radial compression porous material is formed from inside to outside, and the gas liquid exchanger is the portion that exchanging gas and liquid are used in Painting and writing tool
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820870759.9U CN208411182U (en) | 2018-06-06 | 2018-06-06 | A kind of porous body |
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|---|---|---|---|
| CN201820870759.9U CN208411182U (en) | 2018-06-06 | 2018-06-06 | A kind of porous body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019233137A1 (en) * | 2018-06-06 | 2019-12-12 | 王水娟 | Application tool |
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2018
- 2018-06-06 CN CN201820870759.9U patent/CN208411182U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019233137A1 (en) * | 2018-06-06 | 2019-12-12 | 王水娟 | Application tool |
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