CN209616706U - A kind of ventilation limit liquid device and lettering pen - Google Patents

Abstract

The utility model discloses a kind of ventilation limit liquid device and lettering pen, ventilation limit liquid device includes the hollow cavity and the conduit for entering cavity across cavity wall that cavity wall surrounds, and the both ends open of conduit, in the cavity, the external port of conduit is outside cavity for the inner port of conduit.Ventilation disclosed by the utility model limits liquid device good permeability, high reliablity；The inner port of conduit is placed in the center of gravity of cavity, liquid of the volume less than the half of cavity volume is loaded onto cavity, cavity is placed with any attitude, inner port is not touched in the fluid level of liquid, liquid will not be excessive from air inlet or gas outlet, thus use state is influenced small by location status, easy to use.The lettering pen being made using ventilation limit liquid device, writing is smooth, and ink liquid is not easy to leak.

Description

A kind of ventilation limit liquid device and lettering pen

Technical field

The utility model relates to air pressure balance technical fields, and in particular to a kind of ventilation limit liquid device and lettering pen.

Background technique

Ventilation limit liquid device refers in coexistence of gas and liquid system, is only discharged or sucking gas is to maintain and exterior air pressure Balance, the device without allowing internal liquid to overflow outward.Ventilation limit liquid device is widely used in needing that air pressure balance is kept but to limit The fields such as exhaust valve, the lettering pen that controlling flow goes out.Such as the disclosed row of Chinese utility model patent CN201280052509.X Air valve contains moving component inside the valve components built in the exhaust valve, needs to realize fuel tank by athleticism under gravity Pressure controls in case, thus its reliability reduces, and it is to have certain requirements to the position of exhaust outlet by the mode of gravity, It is just not suitable for if necessary to mobile use or often location status variation, existing this mode.It is for another example Chinese practical new Liquid storage type writing pen disclosed in type patent CN01235948.3, the liquid storage type writing pen are built-in with air-pressure balancing device, using receiving Rice gas permeable material is discharged or introduces gas to completely cut off liquid, but since ventilative nano material needs under certain operating pressure It can work, and its ventilative speed is very low, is not suitable for the system for needing Fast-Balance air pressure.

In short, current ventilation limit liquid device there is mobile use or location status changes using caused inconvenient and movement Part reliability deviation and the low problem of airing efficiency.

Utility model content

The purpose of this utility model is to provide a kind of ventilation limit liquid device and lettering pens, to solve current ventilation limit There is mobile use in liquid device or location status changes using the caused inconvenient and reliable sexual deviation of moving component and airing efficiency Low problem.

The utility model provides a kind of ventilation limit liquid device, the hollow cavity surrounded including cavity wall and enters chamber across cavity wall The conduit of body, the both ends open of the conduit, in the cavity, the external port of the conduit is in cavity for the inner port of the conduit Outside.

Preferably, the conduit is rigid pipe, and inner port is placed in the position of centre of gravity of the cavity.

Preferably, the cavity is provided with gas, and the outer end of the conduit is communicated with the extraneous gas of the cavity；It is described The external port of conduit and the cavity wall are tightly connected.

Preferably, liquid is also equipped in the cavity, the volume of the liquid is less than the half of the cavity volume.That is institute The liquid measure for stating liquid meets the fluid level of liquid when placing the cavity with any attitude and does not touch the inner port.

Preferably, the bore of the inner port is the 1/2 to 1/100 of the catheter diameter.

Preferably, the ventilation limit liquid device further includes anti-splash device and/or buffer area, and the anti-splash device is a splashproof Baffle or an open containers, the splash guard are set to the front of the inner port, and the open containers are covered in the inner end On mouth, outlet gap or venthole are provided in the open containers；The buffer area includes being arranged on the pipe inner wall The imbibition porous material that one or more annular projections or internal diameter expands area or fill in the conduit.

The utility model relates to the lettering pen of application above-mentioned ventilation limit liquid device, the cavity wall of ventilation limit liquid device is enclosed At cavity be pen body, the front end of the cavity is equipped with ink delivery outlet, is provided with ink input port on the cavity.

The utility model further relates to the lettering pen using above-mentioned ventilation limit liquid device, which limits the cavity wall of liquid device The cavity surrounded is pen body；It is provided with single branch in remaining space between the cavity and conduit or more are used to contain chemical hair The front end of the glass tube ampere bottle of light liquid, the cavity is equipped with ink delivery outlet.

Preferably, the ink delivery outlet 16 is provided with nib 17 and/or valve.

Preferably, the ink input port 15 and the conduit 3 are integrated on one part, the part and the cavity 1 is detachably connected.

The beneficial effects of the utility model are: ventilation disclosed by the utility model limits rigidity of the liquid device by both ends open Pipe is as conduit, and wherein the outer end of conduit is communicated with the extraneous gas of cavity, improves the gas permeability of device；The device realizes gas The control of pressure is not necessarily to moving component, and reliability greatly improves；The inner port of conduit is placed in the center of gravity of cavity, and when in cavity Liquid is loaded onto, the volume of liquid is less than the half of cavity volume, places cavity with any attitude, the fluid level of liquid is not touched Inner port, liquid will not be excessive from air inlet or gas outlet, thus use state influenced by location status it is small, it is easy to use.Make The chemiluminescence lettering pen being made with ventilation limit liquid device, writing is smooth, and ink liquid is not easy to leak.

Detailed description of the invention

Fig. 1 is the schematic diagram that the conduit for the ventilation limit liquid device that the utility model embodiment 1 provides is placed straight up.

Fig. 2 is the horizontal positioned schematic diagram of the conduit for the ventilation limit liquid device that the utility model embodiment 1 provides.

Fig. 3 is the schematic diagram that the conduit heeling condition for the ventilation limit liquid device that the utility model embodiment 1 provides is placed.

Fig. 4 is the schematic diagram that the conduit for the ventilation limit liquid device that the utility model embodiment 1 provides is placed straight down.

Fig. 5 is a kind of conduit with anti-splash device that the utility model embodiment 1 provides.

Fig. 6 is another conduit with anti-splash device that the utility model embodiment 2 provides.

Fig. 7 is a kind of structural schematic diagram for chemiluminescence lettering pen that the utility model embodiment 3 provides.

Specific embodiment

Embodiment 1

Embodiment 1 provides a kind of ventilation limit liquid device, and the structure provided below embodiment 1 is described in detail.

Referring to figs. 1 to Fig. 4, ventilation limit liquid device includes cavity 1 and conduit 3, and cavity 1 surrounds hollow sphere chamber by cavity wall 2 Body, cavity 1 are provided with gas, and conduit 3 is the rigid pipe of both ends open, and the inner end of conduit 3 is inserted into cavity 1, and conduit 3 is outer End is communicated with the extraneous gas of cavity 1, and the inner port 5 of conduit 3 is placed in the position of centre of gravity of cavity 1；The external port 4 and chamber of conduit 3 Wall 2 is tightly connected.

Further, cavity 1 is also provided with liquid 6, and the total volume of liquid 6 is less than the half of 1 volume of cavity.Liquid 6 Liquid measure meet with any attitude place cavity 1 when liquid 6 fluid level be in the position of centre of gravity always hereinafter, thus the fluid level Inner port 5 is not touched.The device does not have moving component, and reliability greatly improves.

When above-mentioned apparatus fierceness is shaken, liquid 6, which is possible to touch inner port 5, causes liquid 6 to enter inside conduit 3, In order to reduce the generation of this probability event, as shown in figure 5, minimizing the bore of inner port 5, the bore of inner port 5 is to lead The 1/2 to 1/100 of 3 internal diameter of pipe can substantially reduce the probability for being splashed into liquid, while reduce and be splashed into amount of liquid.

Liquid, which takeoffs, when another kind avoids fierce shake may touch inner port 5 and the method entered in conduit 3 is, Anti-splash device is equipped at inner port 5.With reference to Fig. 5, anti-splash device is a splash guard 7, and splash guard 7 is set to inner port 5 Front, and splash guard 7 at a distance from inner port 5 be greater than liquid tension adhesion distance.The setting of splash guard 7 can avoid Liquid touches inner port 5 when shaking cavity 1.Another embodiment, anti-splash device can also set tip for inner port 5, Using as splashproof tip.

It may be splashed into few quantity of fluid of conduit 3 in order to sponge or be detained to accommodate, buffer area 11 is set in conduit 3, is made For the first embodiment of buffer area 11, it is provided with internal diameter on conduit 3 and expands area, which expands area and led to by being connected in series with conduit Multiple series connection area of space of road are constituted, and the internal diameter that internal diameter expands the series connection area of space in area is greater than the internal diameter of conduit 3.

Liquid, which enters, when the above inner port 5 shown in figure for reducing diameter can greatly reduce liquid splash in the cavity leads Probability in pipe 3.Splash guard 7 can also block the liquid that the overwhelming majority is splashed to the splashing of 5 opening direction of inner port, keep simultaneously The external breathing characteristics of cavity.

It is influenced to further decrease surface tension of liquid bring, splash guard 7 and inner port 5 select neither parent as far as possible The non-polar material of oleophylic does not manufacture water, and polyethylene, polypropylene and macromolecule fluorinated hydrocarbons material be preferred yet.

Embodiment 2

On the basis of embodiment 1, for this technical problem of inside for how avoiding liquid 6 from entering conduit 3, embodiment 2 improve in conduit 3 and its inner port 5, this is theed improvement is that:

With reference to Fig. 6, ventilation limit liquid device includes buffer area 11 and anti-splash device, and wherein buffer area 11 is set to conduit 3 Tube wall, anti-splash device are set at inner port 5.

Anti-splash device includes an open containers 8, and 8 sets of open containers in inner port 5, are provided with outlet in open containers 8 Gap 9 or venthole 10.Specifically, venthole 10 can there are two or multiple surfaces for laying full open containers 8.Open containers 8 can block the liquid that the overwhelming majority is splashed to the splashing of 5 opening direction of inner port, while the breathing characteristics for keeping cavity 1 external.

As second of embodiment of buffer area 11, one or more annular projections is set on the inner wall of conduit 3 13, which can avoid liquid 6 and moves further along inside pipe wall.As the third embodiment of buffer area 11, Buffer area 11 can also be fills one or more snippets imbibition porous material 12 in conduit 3, according to the difference of liquid property, imbibition Porous material 12 can be cotton fiber, polyester fiber, sintering pulverulent material or other non-closed foamed materials etc..These materials can To maintain the characteristic of ventilation simultaneously in a certain amount of liquid of absorption.When using more closely knit imbibition porous material, material On can surround in lead to tubulose patch 3 inner wall of conduit setting, both can be absorbed in this way extension catheter 3 flowing liquid, can also protect Hold big ventilatory capacity.

It is influenced to further decrease surface tension of liquid bring, inner port 5 and open containers 8 select neither parent as far as possible The non-polar material of oleophylic does not manufacture water, and polyethylene, polypropylene and macromolecule fluorinated hydrocarbons material be preferred yet.

Embodiment 3

Embodiment 3 provides a kind of lettering pen, liquid device is limited using the ventilation that embodiment 1 or embodiment 2 provide, below to reality The structure for applying the lettering pen of the offer of example 3 is described in detail.

With reference to Fig. 7, which is chemiluminescence lettering pen, limits liquid device using above-mentioned ventilation, wherein the ventilation limits The cavity 1 that the cavity wall 2 of liquid device surrounds is pen body, it is preferable that the pen body of cavity 1 is rod-shaped；The tail end face of rod-shaped pen body Ink input port 15 is extended inwardly to form, the front end of cavity 1 is equipped with ink delivery outlet 16, is installed on the nib of porous material thereon 17。

Specifically, the pipe end of ink input port 15 is set as cecum, and the side wall on 15 periphery of ink input port is equipped with and chamber The opening that body 1 is connected to；Conduit 3 in the cavity 1, conduit 3 to pen body internal stretch to the position of centre of gravity of pen body cavity 1, and in The position of centre of gravity receives fine inner diameter and forms inner port 5, and conduit 3 extends to an end side wall to a tail, and in an end sidewall opening External port 4 is formed, which communicates with ambient atmosphere.The middle part of conduit 3 is disposed with the first polyester from outer end to inner end Fiber buffer area 121 and the second polyester fiber buffer area 122, the second polyester fiber buffer area 122 be in lead to tubular structure.

Further, ink input port 15 is plugged with the ink cartridge 14 equipped with liquid 6, liquid 6 be two kinds of liquid mixing and At chemiluminescent fluid, the liquid volume contained in reservoir 14 is less than the half of the volume of cavity 1.Ink cartridge 14 and tail End linking placed in the middle, so that inner port 5 is easier the position of centre of gravity in cavity 1, the ink input port of the tail portion of entire pen device The 15 string example formula structures connected with conduit 3 using cecum as shown in Figure 7.Squeezing ink cartridge 14 can be by 6 conduct of luminal fluid Ink injects in pen tube cavity body 1, and the gas in pen tube cavity 1 is discharged from conduit 3 simultaneously.

Based on the above structure, posture, which is moved back and forth pen or reacted with luminal fluid, anyway produces gas, and liquid 6 all will not be from ink Delivery outlet 16 or outer end opening 4 produce atmospheric pressure by reaction and push discharge.Nib 17 when only writing on ink delivery outlet 16 disappears The capillarity of consumption ink could take ink from ink delivery outlet 16 out of.Series connection can also be set on ink delivery outlet 16 by touching The spring of rod structure pushes the valve closed and is equipped with nib 17 again in its front end, since reaction gas is discharged conduit 3 at any time, When then the valve of nib 17 is opened ink will not splash and go out, and then can preferably be controlled with valvular ink delivery outlet 16 Writing effect.

Take other its aligning methods, for example, from the method that pen end parallel side-by-side protrudes into inside pen body be also feasible. Simultaneously in order to which the realization of processing is convenient, ink input port 15 and conduit 3 are integrated on one part, the cavity of the part and pen tube 1 is detachably connected, and specifically, which is plug shape, part tight fit insertion or screws in pen tube tail end when assembly.

Since chemiluminescence is having time limitation, and the chemiluminescence reservoir 14 that above-mentioned apparatus can more renew makes It can be used repeatedly for light pen.Other ink method for implanting are also feasible, for example syringe or are directly poured into, after ink is added The work of the ventilation device of conduit 3 is had no effect on lid or plug ink input port 15.The pen can also pour into other ink Water also can work normally.

Chemiluminescent fluid is used as luminous ink and is attempted all the time by people, but big due in liquid luminescence process Volume production gas, so general liquid pens structure has not adapted to this special situation, when use, may a large amount of ink leaks.This reality It is applied to the demand with novel exhaust structure, by test of many times, can be well solved exhaust ink leak problem.

Embodiment 4

Embodiment 4 provides a kind of lettering pen, liquid device is limited using the ventilation that embodiment 1 or embodiment 2 provide, below to reality The structure for applying the lettering pen of the offer of example 4 is described in detail.

The lettering pen is chemiluminescence lettering pen, limits liquid device using above-mentioned ventilation, wherein the ventilation limits liquid device The cavity 1 that cavity wall 2 surrounds is pen body, it is preferable that the pen body of cavity 1 is rod-shaped；In remaining space between cavity 1 and conduit 3 Single branch or more are provided with for containing the glass tube ampere bottle of chemiluminescent fluid, the front end of cavity 1 is equipped with ink delivery outlet 16, the nib 17 of porous material is installed thereon.

Specifically, by conduit 3 in the cavity 1, between the inner port and ink delivery outlet 16 of conduit 3 or conduit 3 it is outer It is provided with single branch between wall and the inner wall of cavity 1 or more glass tube ampere bottles, glass tube ampere bottle are wrapped with strainer, glass Pipe ampere bottle is provided with chemiluminescent fluid, and the liquid total measurement (volume) contained in glass tube ampere bottle is less than the one of the volume of cavity 1 Half；The tube wall of conduit 3 extends out to cavity wall 2 and forms external port 4；The middle part of conduit 3 is disposed with from outer end to inner end One polyester fiber buffer area 121 and the second polyester fiber buffer area 122, the second polyester fiber buffer area 122 be in lead to tubulose Structure；Splashproof tip is equipped at the inner port 5 of conduit 3.

The specific can be that the front end half way in the cavity 1 of pen tube is provided with two kinds with glass tube ampere bottle isolating seal Reactive chemiluminescent fluid notices that controlling chemiluminescent fluid total measurement (volume) amount does not exceed the 1/2 of pen tube cavity volume.Make Used time bending pen or striking rod front shattered glass pipe ampere bottle make reaction liquid mixing obtain chemiluminescent fluid, and reaction produces gas It is discharged from conduit 3, front end is equipped with ink delivery outlet 16, is equipped with the nib 17 of porous material thereon.The nib 17 of fiber can be with It is used alone or string has bar to touch spring sealed valve to export luminal fluid.Glass tube ampere bottle, which can be single branch or more, to be made With can wrap up strainer outside glass tube ampere bottle and be scattered to avoid glass dregs.Open containers 8 can also be equipped in inner port 5 Inner port 5 is directly contacted to avoid solid objects.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (10)

1. a kind of ventilation limits liquid device, which is characterized in that the hollow cavity (1) that is surrounded including cavity wall (2) and pass through cavity wall (2) into Enter the conduit (3) of cavity (1), the both ends open of the conduit (3), the inner port (5) of the conduit (3) is in cavity (1), institute State the external ports (4) of conduit (3) cavity (1) outside.

2. ventilation limit liquid device as described in claim 1, which is characterized in that

The conduit (3) is rigid pipe, and inner port (5) is placed in the position of centre of gravity of the cavity (1).

3. ventilation limit liquid device as described in claim 1, which is characterized in that

The cavity (1) is provided with gas, and the outer end of the conduit (3) is communicated with the extraneous gas of the cavity (1)；

The external port (4) of the conduit (3) and the cavity wall (2) are tightly connected.

4. ventilation limit liquid device as described in claim 1, which is characterized in that

It is also equipped with liquid (6) in the cavity (1), the volume of the liquid (6) is less than the half of the cavity (1) volume.

5. ventilation limit liquid device as described in claim 1, which is characterized in that

The bore of the inner port (5) is the 1/2 to 1/100 of the conduit (3) internal diameter.

6. ventilation limit liquid device as described in claim 1, which is characterized in that the ventilation limit liquid device further includes anti-splash device And/or buffer area (11),

The anti-splash device is a splash guard (7) or an open containers (8), and the splash guard (7) is set to the inner end The front of mouth (5), the open containers (8) cover on the inner port (5), are provided with out air cleft in the open containers (8) Gap (9) or venthole (10)；

The buffer area (11) includes that one or more annular projection (13) or internal diameter are arranged on the conduit (3) inner wall to expand Great Qu or the imbibition porous material (12) filled in the conduit (3).

7. a kind of lettering pen of application ventilation limit liquid device as described in claim 1 to 6 is any, which is characterized in that ventilation limit The cavity (1) that the cavity wall (2) of liquid device surrounds is pen body, and the front end of the cavity (1) is equipped with ink delivery outlet (16), institute It states and is provided with ink input port (15) on cavity (1).

8. a kind of lettering pen of application ventilation limit liquid device as described in claim 1 to 6 is any, which is characterized in that ventilation limit The cavity (1) that the cavity wall (2) of liquid device surrounds is pen body；

It is provided with single branch in remaining space between the cavity (1) and conduit (3) or more are used to contain chemiluminescent fluid Glass tube ampere bottle, the front end of the cavity (1) is equipped with ink delivery outlet (16).

9. lettering pen as claimed in claim 7 or 8, which is characterized in that the ink delivery outlet (16) is provided with written (17) And/or valve.

10. lettering pen as claimed in claim 7, which is characterized in that the ink input port (15) and the conduit (3) are integrated On one part, the part is detachably connected with the cavity (1).