WO2019098640A1

WO2019098640A1 - Device for fixing canister of gas mask

Info

Publication number: WO2019098640A1
Application number: PCT/KR2018/013788
Authority: WO
Inventors: 이성우; 김성훈; 변윤상; 남기택; 이준용
Original assignee: 에스지생활안전 주식회사
Priority date: 2017-11-15
Filing date: 2018-11-13
Publication date: 2019-05-23
Also published as: KR20190055488A; KR102013033B1

Abstract

The present invention relates to a device for fixing a canister of a gas mask, comprising: an intake unit formed at one side of a gas mask to suck in ambient air; a canister comprising a first fastening unit which is fastened to the intake unit, is projected upwards so as to have a circular cross section about a hollow formed in one side thereof, and has latching projections protruding continuously along the outer circumferential surface thereof; and a second fastening unit joined to one side of the intake unit to be fastened to the first fastening unit and having engagement protrusions, formed on the inner circumferential surface corresponding to the outer circumferential surface thereof, for engaging with the latching projections according to rotation of the canister so as to enable the canister to be rotated in one direction. As such, it is possible to facilitate the fastening of the canister and prevent the canister from being separated by an external environment.

Description

Fixing device for gas mask

More particularly, the present invention relates to a cleansing bar fixing device for a respiratory mask that facilitates fastening of a respirator and a cleansing container and prevents the cleansing container from being easily separated by an external force.

Generally, a gas mask is a tool that is worn on the wearer's face to protect the face from smoke or addictive toxic gases from being inhaled or adhered. It can be used to remove toxic gases, vapors, toxic particles, It is used in the polluted environment where it is discharged, and sometimes it is used by firefighters or police officers for fire fighting or riot suppression.

The gas mask consists of a face made of rubber and plastic and a cleanser connected to the face. When not in use, it is stored in a carry-on bag. The purifier has an absorbent that chemically adsorbs or decomposes toxic gases inside the purifier, and a filter or filter that physically filters the particulate matter, allowing the user to suck the purified air through the purifier.

Fire escape masks can be used by the fire fighters or police officers mentioned above, but the buildings can be equipped with a gas mask equipped with users who are adjacent to the emergency in a place where the floating population such as the inside or the subway is large.

However, in the case of a beginner who is not accustomed to tightening the canister in the face, it is difficult to tighten the canister itself, and even in the case of a skilled person, it takes a long time to unlock the canister unexpectedly .

This inconvenience to tightening the cleanser prevents the user from entering the cleanser just before use, but shipped in the condition that the cleanser is fastened to the respirator in the factory shipment stage. However, since the cleanser is not properly attached to the respirator There is a disadvantage that it can be shipped in a defective state.

On the other hand, in the case of a gas mask for an emergency evacuation fire, it is specified that the canister is not detached from the gas mask when the gas canister is attached to the gas mask. If a beginner or a factory user has difficulty in entering a canister and the canister is separated from the canister, the risk of personal injury may occur.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in view the above problems occurring in the prior art, and it is an object of the present invention to provide a cleansing bar fixing device for a respiratory mask, which is rotated in one direction to fasten the cleansing barrel and can not separate the fastening barrel, It has its purpose.

In addition, the present invention provides a cleansing bar fixing device for a respiratory mask that can not separate a cleansing bottle fastened by a double-locking component in a spin lock mode through a thread, even if a constant force is applied by a slope formed between the dual structures. There is a purpose.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide an apparatus and method for controlling the same.

In order to accomplish the above objects and other features of the present invention, an apparatus for fixing a purifier of a respiratory mask of the present invention comprises: an intake unit formed at one side of a respirator, And a first fastening unit fastened to the intake unit, the fastening unit including a locking protrusion that protrudes upwardly and has a circular cross section centering on a hollow formed at one side, the locking protrusion being continuously protruded along an outer circumferential surface thereof. And a locking protrusion coupled to one side of the intake unit and coupled to the first locking unit and having an inner circumferential surface corresponding to the outer circumferential surface, the locking protrusion being capable of engaging with the locking protrusion in accordance with rotation of the purifier, And a second fastening unit for fastening the second fastening unit.

In the present invention, it is preferable that the first fastening unit is fastened to the lower end of the inner circumferential surface of the second fastening unit through a thread formed at the lower end of the outer circumferential surface, and the fastening protrusion is formed at the upper end of the thread.

In the present invention, the second fastening unit may be formed such that the lower end of the inner circumferential surface is fastened to the lower end of the outer circumferential surface of the first fastening unit through a thread, and the fastening protrusion is spaced apart from the inner upper end at a predetermined distance corresponding to the fastening protrusion desirable.

In the present invention, it is preferable that a hollow groove is formed at a position adjacent to the latching jaw, or at least one of the cut-outs is cut out from both sides of the predetermined position with respect to the latching jaw.

In the present invention, the latching protrusion includes a protruding inclined face that is raised in a direction in which one side of the latching protrusion is rotated when fastened to the second fastening unit, and a vertical protrusion vertical face on the other side of the latching protrusion, And a jaw vertical surface corresponding to the jaw vertical surface and the jaw vertical surface corresponding to the projection vertical surface.

In the present invention, it is preferable that when the jaw is rotated in the fastening direction, the jaw inclined surface is rotated along the projection inclined surface, and when the jaw is rotated in the direction opposite to the rotation direction, the jaw vertical surface is caught by the projection vertical surface to prevent rotation .

In the present invention, the intake unit may include a receiving portion for receiving the second fastening unit on one side thereof; And a fitting groove at a predetermined interval on the inner circumferential surface of the receiving portion, and the second fastening unit includes a fitting step 380 corresponding to the fitting groove at an outer lower end.

The purifier fastening device of the gas mask according to the present invention provides the following effects.

According to the present invention, it is possible to fasten the purifying column by separating the purifying column fastened by rotating the purifying column by rotating in one direction and rotating the purifying column in the opposite direction in one direction, thereby preventing separation of the purifying column by the external environment There is an effect that can be done.

In addition, the present invention has the effect that the lock parts are formed in a double structure in the rotation locking type through the thread, the thread tightly guided by the inclined jaw formed between the double structure guiding the fastening part, have.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 is an exploded perspective view for explaining a cleansing tube fixing device for a respiratory mask according to an embodiment of the present invention;

FIG. 2 is a sectional view for explaining a purifying column fixing apparatus for a respiratory mask according to an embodiment of the present invention; FIG.

3 is a plan view and a perspective view for explaining a purifying column fixing apparatus for a respiratory mask according to an embodiment of the present invention;

In this embodiment, an air intake unit formed at one side of the respiratory mask and sucking outside air; And a first fastening unit fastened to the intake unit, the fastening unit including a locking protrusion that protrudes upwardly and has a circular cross section centering on a hollow formed at one side, the locking protrusion being continuously protruded along an outer circumferential surface thereof. And a locking protrusion coupled to one side of the intake unit and coupled to the first locking unit and having an inner circumferential surface corresponding to the outer circumferential surface, the locking protrusion being capable of engaging with the locking protrusion in accordance with rotation of the purifier, A second fastening unit for allowing the second fastening unit to be attached to the second fastening unit.

The description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.

Meanwhile, the meaning of the terms described in the present application should be understood as follows.

The terms " first ", " second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It is to be understood that the singular " include " or " have ", as used herein, is intended to encompass a plurality of expressions, unless the context clearly dictates otherwise, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

In each step, the identification code (e.g., a, b, c, etc.) is used for convenience of explanation, the identification code does not describe the order of each step, Unless otherwise stated, it may occur differently from the stated order. That is, each step may occur in the same order as described, may be performed substantially concurrently, or may be performed in reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present application.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3.

FIG. 1 is an exploded perspective view for explaining a cleansing tube fixing apparatus for a respirator according to an embodiment of the present invention, FIG. 2 is a sectional view for explaining a cleansing tube fixing apparatus for a respiratory mask according to an embodiment of the present invention, FIG. 3 is a plan view and a perspective view for explaining a cleansing container fixing device for a respiratory mask according to an embodiment of the present invention; FIG.

Referring to FIG. 1, the purifier fixing apparatus of the present invention includes a suction unit 100 which is worn by a user and which sucks outside air, a purifying cylinder 20 which is fastened to one side of the suction unit 100 to purify the outside air, A second fastening unit 300 coupled to one side of the unit 100 to prevent the purifying cylinder 20 fastened to the intake unit 100 from being detached while fastened to the first fastening unit 200 of the purifying cylinder 20, . &Lt; / RTI >

The second fastening unit 300 is used to fasten the purifying cylinder 20 to the intake unit 100 of the respiratory gas intoxicating air and is formed in a manner of turning through a thread so that the purifying cylinder 20 is attached to the intake unit 100 So that the cleaning chamber 20 can be rotated only in one direction so that the cleaning chamber 20 can be rotated only in one direction so that the cleaning unit 20 can be easily coupled to the intake unit 100. [ So that it can not be separated.

The intake unit 100 may be formed at a position corresponding to the mouth and nose of the user when the user wears the respirator, and the purifier can be fastened to one side, and an exhaust port .

The first fastening unit 200 can be fastened to the intake unit 100 at one side of the purifying cylinder 20 and more specifically the first fastening unit 200 can be fastened to the intake unit 100 as the purifying cylinder 20 rotates. 100 can be fastened to the second fastening unit 300 and fastened to the intake unit 100 by the fastening cylinder 20.

The first fastening unit 200 is formed in a circular shape in cross section and protrudes upward about the hollow formed at one side of the purifying cylinder 20 and the fastening protrusion 220 may be continuously protruded around the protruded outer circumferential surface have.

The lower end of the outer circumference of the first fastening unit 200 may be formed with threads around the lower end of the outer circumference to fasten the second fastening unit 300 through a thread. The purified air from the purifier can be introduced into the central passage of the first fastening unit 200 and can be moved to the intake unit 100.

A latching protrusion 220 for latching the latching protrusion 320 formed on the second fastening unit 300 may be continuously formed on the outer circumferential surface of the first fastening unit 200 along the outer circumferential surface. For example, a thread for engaging with the inner lower end of the second fastening unit 300 is formed on the outer lower end of the height that is half the height of the first fastening unit 200, and on the outer upper end, A latching protrusion 220 for latching the latching protrusion 320 of the latch 300 may be formed. The second fastening unit 300 can be fastened to the outer circumferential surface of the first fastening unit 200 through the thread and the fastening protrusion 220.

The engaging protrusion 220 has a protruding inclined surface 221 and a protruding inclined surface 221 which are raised from the upper end of the first fastening unit 200 in the direction of rotation when fastened to the second fastening unit 300, And a vertical projection surface 222 in the vertical direction at the end.

For example, the latching protrusion 220 may be formed in the form of a right triangle in which the protrusion slope 221 and the protrusion vertical surface 222 are formed with respect to the outer circumferential surface of the first fastening unit 200, The jaw 320 may be caught.

The second fastening unit 300 may be formed in a cylindrical shape having an inner circumferential surface having a circular cross section corresponding to the outer circumferential surface of the first fastening unit 200. The inner lower end of the second fastening unit 300 can be fastened to the outer lower end of the first fastening unit 200 through a thread.

One or more stopping protrusions 320 may be formed on the upper inner side of the second fastening unit 300 to catch the fastening protrusions 220 formed on the outer side of the first fastening unit 200. For example, a thread for engaging with the first fastening unit 200 is formed at an inner lower end which is half the height of the second fastening unit 300, and a fastening protrusion (not shown) (320) may be formed.

The stopping jaw 320 is provided on the inner circumferential surface of the second fastening unit 300 so as to correspond to the jaw inclined surface 321 corresponding to the projection inclined surface 221 of the latching protrusion 220 and the projection vertical surface 222 of the latching protrusion 220 A jaw vertical surface 322 may be formed. For example, the latching jaw 320 may be formed in the form of a right triangle opposite to the latching protrusion 220 in the shape of an equilateral triangle.

The jaw chin 320 may face the jaw inclined surface 321 and the jaw vertical surface 322 may face the jaw inclined surface 221 while the jaw protrusion 220 is caught between the jaw protrusions 220. That is, the first fastening unit 200 is fastened to the second fastening unit 300 by the rotation of the purifying cylinder 20 having a constant force with respect to the fastening direction, so that the fastening protrusion 320 of the second fastening unit 300 The first fastening unit 200 can be rotated in the fastening direction by moving along the inclined surface of the fastening protrusion 220. [

In contrast, when the first fastening unit 200 is rotated in a direction opposite to the fastening direction in the state of being fastened to the second fastening unit 300, the first fastening unit 200 is rotated by the protruding vertical surface 222 and the jaw vertical surface 322, The fastening unit 200 may not be rotated in the reverse direction from the second fastening unit 300.

The second fastening unit 300 has a hollow groove 340 for providing elasticity to the outside of the second fastening unit 300 when the fastening unit 320 is rotated in the fastening direction in a state where the fastening protrusion 220 is caught by the fastening protrusion 220. [ And the cutout 360 may be formed.

The hollow groove 340 may be formed to have a length in the circumferential direction of the second fastening unit 300 at a position adjacent to the latching jaw 320 at the upper end of the outer circumferential surface of the second fastening unit 300, And may be incised upwardly from both sides with respect to the jaw 320.

The hollow groove 340 or the cutout portion 360 formed as described above allows the engaging protrusion 320 to be elastically deformed outward when the engaging protrusion 320 of the second engaging unit 300 moves along the inclined surface of the engaging protrusion 220 So that the latching jaw 320 can be easily moved along the inclined surface of the latching protrusion 220. [

The outer peripheral surface of the first fastening unit 200 and the inner peripheral surface of the second fastening unit 300 are formed with threads and engaging projections 220 And the engaging jaw 320. As shown in Fig. The screw thread formed at the outer lower end of the first fastening unit 200 can be fastened first through the threads formed at the inner lower end of the second fastening unit 300 by the rotation of the first fastening unit 200. [

When the first fastening unit 200 and the second fastening unit 300 are fastened to each other up to a predetermined depth through the thread, the fastening protrusion 220 of the first fastening unit 200 and the fastening unit 220 of the second fastening unit 300 It can be continuously rotated along the inclined surface in a state in which the first and second elastic members 320 are engaged.

At this time, elasticity is generated when the engaging protrusion 320 moves along the inclined surface of the engaging protrusion 220 by the hollow groove 340 or the cutout 360 formed in the second engaging unit 300, The first fastening unit 200 and the second fastening unit 300 can be more easily fastened.

When the first fastening unit 200 and the second fastening unit 300 are engaged with each other, the protrusion vertical surface 222 of the latching protrusion 220 and the jaw vertical surface 322 of the latching protrusion 320 abut against each other, It is possible to prevent the first fastening unit 200 and the second fastening unit 300 from rotating in a direction opposite to the fastening direction.

Therefore, the purifier can be easily fastened to the second fastening unit 300 coupled to the intake unit 100 according to the performance specification of the respiratory mask, And can be prevented from being separated after being fastened to the fastening unit 300.

It is preferable that the intake unit 100 and the second fastening unit 300 are integrally formed and not separated from each other. However, the purifier fastening apparatus of the present invention has an intake unit 100 and a second fastening unit 300 They may be assembled in their respective formed states and, after being assembled, may not be artificially loosened from the outside of the respiratory mask.

First, the intake unit 100 may include a receiving portion for receiving and coupling the second fastening unit 300 to one side thereof. The receiving portion may be formed in a circular shape having a diameter corresponding to the end surface of the second fastening unit 300. A fitting groove for fitting the fitting protrusion 380 of the second fastening unit 300 may be formed on the inner circumferential surface of the receiving portion.

The second fastening unit 300 may be formed with a fitting jaw 380 for fitting into the fitting groove. The fitting jaws 380 may be spaced at predetermined intervals along the circumference at the outer lower end of the second fastening unit 300 and may be formed in the height direction of the second fastening unit 300.

The lower end of the second fastening unit 300 may be formed by bending the step at the lower end of the intake unit 100 so as not to completely pass through the second fastening unit 300 when the second fastening unit 300 is received.

The fastening operation of the second fastening unit 300 and the intake unit 100 can be firstly received in the receiving portion of the intake unit 100 from the upper end of the second fastening unit 300. [ When the upper end of the second fastening unit 300 is received in the receiving portion, the fitting protrusion 380 formed at the lower end of the second fastening unit 300 can be continuously accommodated in the fitting groove of the receiving portion.

The second fastening unit 300 can be caught without completely passing through the receiving part due to the step formed at the lower end. At this time, a screw thread may be formed on the outer upper end of the second fastening unit 300, and the second fastening unit 300 is fastened to the screw thread formed on the outer upper end of the second fastening unit 300 Can be fastened to each other with the fixing member (c).

That is, the second fastening unit 300 is accommodated in the accommodating portion in a state where the fitting jaws 380 are fitted in the fitting grooves, so that the second fastening unit 300 can not be rotated independently, and the upper end of the second fastening unit 300 is fixed to the fixing member c So that it can not be released to the outside of the accommodating portion. Then, the purifying cylinder 20 including the first fastening unit 200 may be fastened to the inner circumferential surface of the second fastening unit 300. 2, the fixing member c and the intake unit 100 are shown spaced apart from the outer circumferential surface of the second fastening unit 300, but actually the fixing member c and the intake unit 100 are spaced apart from each other. It is impossible to move the intake unit 100 up and down between the stationary member c and the intake unit 100. As a result,

The second fastening unit 300 and the intake unit 100 fastened in this manner are not rotatable by the fitting jaws 380 even when the second fastening unit 300 rotates in any direction from the outside of the intake unit 100 So that the purifier can not be separated by external factors when the intake unit 100 is worn.

If the second fastening unit 300 is separated from the intake unit 100, the fixing member may be firstly disengaged from the inside of the intake unit 100 and the second fastening unit 300 may be pulled out of the receiving portion. For reference, the fixing member (c) can be sealed to prevent the fixing member (c) from being detached when the fixing member (c) is fastened to the threaded portion formed at the outer upper end of the second fastening unit (300).

Therefore, the purifier can be easily fastened to the intake unit 100 before wearing the respirator or wearing the respirator, and the purifier can be fastened to the outside Thereby providing a rigidity that is not separated by the < RTI ID = 0.0 >

The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Therefore, it is to be understood that the embodiments disclosed herein are not for purposes of limiting the technical idea of the present invention, but rather are not intended to limit the scope of the technical idea of the present invention. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sanitary panty fastening device for a respirator, which can facilitate fastening of a gas mask and a pantyhose, and can prevent the pantyhose from being easily separated by an external force.

Claims

An intake unit formed at one side of the respirator to draw in the outside air;

And a first fastening unit fastened to the intake unit, the fastening unit including a locking protrusion that protrudes upwardly and has a circular cross section centering on a hollow formed at one side, the locking protrusion being continuously protruded along an outer circumferential surface thereof. And

And a locking protrusion coupled to one side of the intake unit and coupled to the first fastening unit and having an inner circumferential surface corresponding to the outer circumferential surface and capable of engaging with the locking protrusion in accordance with rotation of the purifier, And a second fastening unit

Fixing device for the respirator.
The method according to claim 1,

The first fastening unit

The lower end of the outer circumferential surface is fastened to the lower end of the inner circumferential surface of the second fastening unit through a thread, and the fastening protrusion is formed on the upper end of the thread

Fixing device for the respirator.
3. The method of claim 2,

The second fastening unit

The lower end of the inner circumferential surface is fastened to the lower end of the outer circumferential surface of the first fastening unit through a thread and the engaging step is spaced apart from the inner upper end at a predetermined distance corresponding to the fastening protrusion

Fixing device for the respirator.
The method of claim 3,

The second fastening unit

A hollow groove is formed at a position adjacent to the latching jaw or at least one of the cut-outs is cut from both sides of the predetermined position with respect to the latching jaw in the upward direction

Fixing device for the respirator.
The method according to claim 1,

The latching protrusion

And a vertical protrusion vertical surface on the other side of the second fastening unit,

The engagement jaw

And a jaw vertical surface opposed to the engagement protrusion and corresponding to a jaw inclined surface and a projection vertical surface corresponding to the projection inclined surface

Fixing device for the respirator.
6. The method of claim 5,

The engagement jaw

The jaw inclined surface is rotated along the inclined surface of the protrusion when the protrusion is rotated in the fastening direction and the jaw vertical surface is caught by the protrusion vertical surface when the protrusion is rotated in the direction opposite to the rotation direction,

Fixing device for the respirator.