CN205586381U

CN205586381U - A tubular expiratory valve for breathing protector

Info

Publication number: CN205586381U
Application number: CN201620154983.9U
Authority: CN
Inventors: 王戈丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-02
Filing date: 2016-03-02
Publication date: 2016-09-21
Anticipated expiration: 2026-03-02

Abstract

The utility model relates to a tubular expiratory valve for breathing protector, including blast pipe, hose and reducing pipe, cup joint the small -bore end at the reducing pipe with the hose, insert the blast pipe with the one end of cup jointing the hose on the reducing pipe, the heavy -calibre end outer wall and blast pipe inner wall in close contact with, the blast pipe of reducing pipe are plastics, rubber, combined material or metal with the material of reducing pipe, and the blast pipe is partly be extending structure, and the hose is made by frivolous, soft, air -locked material, and its one end is a roll curved. This tubular expiratory valve installs back on breathing protector, and the extrusion of hose wall is in the same place when breathing in, and the extraneous gas can not enter into the internal portion of gauze mask, and gas is discharged from this tubular expiratory valve during the expiration, use the utility model discloses thoroughly eliminate the dead space, the realization is breathed in, expiration travel on different lanes. It is not the gas from human exhalation to cover internal gas and be all the time the air after the externally filters, consequently covers internally can not generate the condensate water, cover internal temperature and can keep unanimously with the outside basically yet.

Description

A kind of tubular type outlet valve for protective device for respiration

Technical field

This utility model relates to a kind of outlet valve, a kind of pipe for protective device for respiration Formula outlet valve.

Background technology

Protective device for respiration includes mask and all kinds of breathing mask, and they have in work and life Purposes widely, in particular with the increase of haze weather, protective device for respiration becomes especially for people Defend the main tool of haze.

The effect of protective device for respiration depends on filtering and sealing, and is therefore keeping sealing good Under conditions of, how the gas in cover body is discharged as early as possible, become and affect protective device for respiration One key factor of energy quality.

As a example by mask, for common mask, a gas part for exhalation is to pass through mask Periphery is discharged, and in this case, when people's air-breathing, mask periphery will not recover good immediately Good air-tightness, portion of air can enter from mask periphery, has had influence on the effect of mask.

In order to solve problems, an outlet valve is generally installed on mask, by the gas of exhalation Body is discharged；During air-breathing, this outlet valve can cut out.

After being mounted with outlet valve, the gas of exhalation can not all be discharged to outside cover body, mask And the waste gas of meeting remaining portions exhalation in the space formed between face, this space is commonly referred to exhaled Inhale the dead space of preventer.When people's air-breathing again, this portion in dead space can be again Entering in human body, cause the amount of oxygen of suction to reduce, the moisture in exhaled gas also can accumulate in In dead space, the temperature raised in cover body also can cause the discomfort of human body.

The most how to provide a kind of outlet valve, it is possible to be all discharged to exhale by the waste gas that people breathe out Outside suction preventer, it is achieved air-breathing, exhale and take their own roads, thoroughly avoid the formation of dead space with And avoid condensing the accumulation of water, it is the problem that solution is presently required.

Utility model content

For overcoming the shortcoming of above-mentioned prior art, main purpose of the present utility model is to provide one Plant tubular type outlet valve, thoroughly eliminate dead space, it is achieved air-breathing, expiration are taken their own roads.

Another object of the present utility model is to provide one to avoid generation in protective device for respiration solidifying The tubular type outlet valve born water.

Another purpose of the present utility model is to provide one can reduce inside protective device for respiration The tubular type outlet valve of temperature.

For reaching above and other purpose, tubular type outlet valve of the present utility model, including an aerofluxus Pipe, a flexible pipe and a reducer pipe.

By a tube socket at the small-caliber end of reducer pipe, the one of flexible pipe will be socketed with on reducer pipe End is inserted in an exhaustor, and the heavy caliber end outer wall of reducer pipe is in close contact with exhaustor inwall.

When not using reducer pipe, an end margin of flexible pipe is directly anchored on exhaustor inwall； Or one end of this flexible pipe is socketed in the outer wall of exhaustor one end, the remainder of flexible pipe is placed on row Pipe.

The material of above-mentioned exhaustor and reducer pipe is plastics, rubber, composite or metal, for Convenience adjusts length and angle, and this exhaustor part is stretching structure.

The shape of this exhaustor and reducer pipe be oval, circular or square in one

This flexible pipe is made up of material frivolous, soft, air-locked, and one end of this flexible pipe is volume Curved.

After this tubular type outlet valve is arranged on protective device for respiration, during air-breathing, at the work of negative pressure Under with, hose wall presses together, and extraneous gas can not enter into respiratory protection from this outlet valve Inside device；The reducer pipe on this outlet valve or exhaustor is contained with mouth, the gas of exhalation during expiration Body is discharged from this tubular type outlet valve.

In sum, use tubular type outlet valve of the present utility model, completely eliminate dead space, real Existing air-breathing, expiration are taken their own roads.Gas in cover body is the air after outside is filtered all the time, It not the gas from characteristics of contaminated respiratory droplets, condensation water, the temperature in cover body therefore in cover body, will not be generated The most substantially can keep consistent with outside.

Accompanying drawing explanation

Fig. 1 is this utility model embodiment 1 sectional view；

Fig. 2 is this utility model embodiment 1 cut-away view when ventilating；

Fig. 3 is another sectional view of this utility model embodiment 1；

Fig. 4 is the sectional view of this utility model embodiment 2；

Fig. 5 is another sectional view of this utility model embodiment 2；

Fig. 6 is this utility model embodiment 1 schematic diagram when being arranged on air-breathing on mask；

Fig. 7 is the schematic diagram that this utility model embodiment 1 is arranged on when exhaling on mask.

Detailed description of the invention

Below in conjunction with the accompanying drawings, this utility model is described further, exhaling in this utility model Inhaling preventer and include all kinds of mask and all kinds of respiratory protection face shield, cover body is to cover in mouth and nose Material or face shield, cover body is made up of single or multiple lift material, and the material constituting this cover body does not limits.

Embodiment 1

Fig. 1 is the cut-away view of the tubular type outlet valve 1 of this utility model embodiment 1.

As it is shown in figure 1, this tubular type outlet valve 1 is by exhaustor 11, flexible pipe 12 and reducer pipe 13 Composition, wherein one end of flexible pipe 12 is socketed in small-bore one end of reducer pipe 13, by reducer pipe 13 one end being socketed with flexible pipe 12 are inserted in exhaustor 11, reducer pipe 13 heavy caliber end outer wall It is in close contact with exhaustor 11 inwall.

Wherein the external diameter of reducer pipe 13 heavy caliber one end is slightly larger than the internal diameter of exhaustor 11, therefore The outer wall of reducer pipe 13 heavy caliber one end, it is possible to closely cooperate with the inwall of exhaustor 11, will On reducer pipe 13 and reducer pipe 13, the flexible pipe 12 of socket is fixed in exhaustor 11.Such as Fig. 1 Shown in, it is outside that a part for reducer pipe 13 heavy caliber end is positioned at exhaustor 11, to facilitate taking-up Reducer pipe 13.

Wherein the material of exhaustor 11 and reducer pipe 13 is plastics, rubber or composite, also It can be metal material.Exhaustor 11 and reducer pipe 13 shape can be identical or different.The two During shape difference, when being inserted in exhaustor 11 by reducer pipe 13, this exhaustor 11 can be suitable Deformation, to adapt to the shape of reducer pipe 13.

It is such as that circular, reducer pipe 13 is for, time oval, inserting reducer pipe 13 when exhaustor 11 After entering in exhaustor 11, the part that exhaustor 11 contacts with reducer pipe 13 can deform, To adapt to the shape of reducer pipe 13.

The shape of exhaustor 11 and reducer pipe 13 is oval, circular or square, with ellipse, I.e. flat is best.The exhaustor 11 of flat and reducer pipe 13 so that flexible pipe 12 tube wall energy Reach the most smooth fitting together, there is more preferable gas-tight property；Flat the most more meets expiration Time mouth shape.

Exhaustor 11 part is stretching structure 111, the thus length of adjustable exhaustor 11 And angle, this stretching structure 111 can be located at any part of exhaustor 11.

Flexible pipe 12 is made up of material frivolous, soft, air-locked, and one end of flexible pipe 12 is tight Be socketed in the small-caliber end of reducer pipe 13, in order to improve gas-tight property further, flexible pipe 12 The other end can be curly (not shown).

/ 2nd girths of flexible pipe 12 should be less than the interior long diameter of oval exhaustor 11, makes The tube wall of flexible pipe 12 is smooth fit together after can be placed in exhaustor 11；In order to ensure Sealing, flexible pipe 12 can be same footpath, it is possible to be reducing；When exhaustor 11 length is shorter, Flexible pipe 12 also may extend to outside exhaustor 11.

Fig. 2 be the tubular type outlet valve 1 of the present utility model cut-away view when ventilating,.

As in figure 2 it is shown, when there being gas to enter exhaustor 11 from reducer pipe 13 one end, at gas The top of body is depressed, and the tube wall of flexible pipe 12 is opened, and gas is discharged via exhaustor 11 other end.

As it is shown in figure 1, when not having gas to enter reducer pipe 13, the tube wall of flexible pipe 12 is smooth Fit together, fold in exhaustor 11, one end of flexible pipe 12 is curly, enters one Step improves gas-tight property.Owing to flexible pipe 12 tube wall is in closed form, the gas on the left of exhaustor 11 Body cannot be entered on the right side of exhaustor 11 by flexible pipe 12.

Thus this tubular type outlet valve 1 form one can only an outlet valve of unidirectional turnover.

Fig. 3 is the another kind of form of embodiment 1.

As it is shown on figure 3, when the length of flexible pipe 12 is shorter, the tube wall of flexible pipe 12 will not hang On the tube wall of exhaustor 11, and it is in the centre of exhaustor 11, by one end of flexible pipe 12 Making curly, so this curly form guarantees that this end of flexible pipe 12 is closure state.

Embodiment 2

Fig. 4 is the cut-away view of this utility model embodiment 2, in example 2, does not use change Footpath pipe 13, is directly fixed on flexible pipe 12 on exhaustor 11.

As shown in Figure 4, the end margin by flexible pipe 12 is directly anchored to the inwall of exhaustor 11 On, flexible pipe 12 is equally accomplished to open, close.

Fig. 5 is the another kind of form of embodiment 2.As it is shown in figure 5, one end of flexible pipe 12 is overlapped Being connected on the outer wall of exhaustor 11 one end, the remainder of flexible pipe 12 is placed in exhaustor 11.

Flexible pipe 12 one end in above-described embodiment 2 can also be made curly, to improve gas-tight property.

Below the tubular type outlet valve 1 in embodiment 1 is arranged on mask, its work is described Principle.

As shown in Figure 6, the cover body 14 of a mask is opened a through hole 15, tubular type outlet valve Exhaustor 11 one end of 1 is connected with through hole 15 air-tightness, i.e. completes installation；This connection side Formula is grafting or bonding way, and preferably inserting mode, so this tubular type outlet valve 1 can be square Just change, it is possible to reuse.

As shown in Figure 6, after user has worn mask, the reducer pipe 13 1 of tubular type outlet valve 1 End should be positioned at user mouth position, if the position of reducer pipe 13 or angle are improper, can lead to Crossing stretching structure 111 to be adjusted, during to guarantee that user face closes, lip can contain change Footpath pipe 13.

As shown in Figure 6, during user air-breathing, the section tubular wall of flexible pipe 12 in tubular type outlet valve 1 Pressing together under the effect of negative pressure, its one end is curly, therefore the tube wall of flexible pipe 12 in Close shape.The extraneous air entering into exhaustor 11 from through hole 15 is blocked in flexible pipe 12, Can not enter into cover body 14, extraneous air can only enter, such as arrow in Fig. 6 after cover body 14 filters Shown in head.

During as it is shown in fig. 7, exhale, user mouth contains the reducer pipe in tubular type outlet valve 1 13, as shown by arrows, the gas of exhalation is via reducer pipe 13, flexible pipe 12, by through hole 15 It is discharged to cover body 14 outside.

So move in circles, it is achieved that exhale, air-breathing is taken their own roads.

In sum, tubular type outlet valve 1 is the outlet valve of a kind of simple in construction, uses this tubular type Outlet valve 1, can all be discharged to the waste gas of exhalation outside mask, completely eliminate dead space, greatly Width improves comfortableness when user is worn；Reducer pipe 13 is flattening shape, more meets and makes Mouth shapes when user exhales, when using this tubular type outlet valve 1, contains with mouth when only need to exhale Living reducer pipe 11 exhaled gas, other side, all as existing product, will not change existing Some use habits；Stretching structure 111 on exhaustor 11, can conveniently adjust exhaustor 11 Length and angle, adapt to different facial characteristics.

Claims

1. for a tubular type outlet valve for protective device for respiration, including an exhaustor, a flexible pipe With a reducer pipe, it is characterised in that:

One tube socket, at the small-caliber end of a reducer pipe, will be socketed with the one of flexible pipe on reducer pipe End is inserted in an exhaustor, and the heavy caliber end outer wall of reducer pipe is in close contact with exhaustor inwall.

2. tubular type outlet valve as claimed in claim 1, it is characterised in that one end of this flexible pipe Edge can be directly anchored on the inwall of exhaustor；Or one end of this flexible pipe is socketed in exhaustor one The outer wall of end, the remainder of flexible pipe is placed on inside exhaustor.

3. the tubular type outlet valve as described in claim 1 and 2, it is characterised in that this flexible pipe One end is curly.

4. the tubular type outlet valve as described in claim 1 and 2, it is characterised in that this exhaustor A part is stretching structure.

5. the tubular type outlet valve as described in claim 1 and 2, it is characterised in that this flexible pipe is It is made up of material frivolous, soft, air-locked.

6. tubular type outlet valve as claimed in claim 1, it is characterised in that this exhaustor and change The shape of footpath pipe be oval, circular or square in one.