Replaceable buckle type breather valve

Abstract

The utility model discloses a replaceable buckle type breather valve, which can be quickly buckled and connected to an air bag interface piece on an air bag, and comprises a main valve piece which adopts a multi-layer elliptical structure and is made of a thermoplastic elastic material through injection molding, and a valve is arranged in the main valve piece; the number of the meshing buckles is two, and the meshing buckles are symmetrically arranged on the top face of the main valve piece. The breathing valve is made of a flexible material, can be squeezed to deform and become small by pinching the breathing valve by hands and then is stuffed into the air bag connector piece, a user can insert the breathing valve into the air bag connector piece by himself / herself for oxygen supply breathing, and after the user finishes experience, the breathing valve can be inserted into the air bag connector piece by himself / herself. Other users can insert own breather valves into the air bag interface piece of the air bag for continuous use, so that the convenience is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a breathing valve technical field, specifically a replaceable buckle type breathing valve. BACKGROUND

[0002] The breathing valve is a kind of extremely important safety protection equipment, mainly used in mine self-rescuer, dust mask or positive pressure respirator etc. Personal protective equipment, its core function is to ensure that breathing airflow is unidirectional, prevent harmful gas (such as gas, carbon monoxide) or dust into respiratory system, while allowing the user to exhale smoothly, and the connection mode of traditional breathing valve and equipment has many inconveniences, generally adopts fixed mode such as gluing, when needing to replace breathing valve, it can damage breathing equipment, and the replacement process is complex, time-consuming and laborious. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model provides a replaceable buckle type breathing valve to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a replaceable buckle type breathing valve can be quickly buckled and connected at the air bag interface piece on the air bag, which comprises:

[0005] Main valve piece, which adopts multilayer oval structure and is made of thermoplastic elastomer injection molding, the main valve piece is provided with a valve;

[0006] Bite buckle, which is provided with two and symmetrically arranged on the top surface of the main valve piece;

[0007] And clamping buckle, which is provided with two and symmetrically arranged on the inner wall of the bottom of the main valve piece, the bottom end of each clamping buckle is outwardly folded with a clamping part, so that the clamping buckle can be buckled and connected with the annular notch on the inner wall of the air bag interface piece, and the main valve piece is communicated with the air bag interface piece.

[0008] Further, as preferred, the end angle of the top of each clamping buckle is chamfered.

[0009] Further, as preferred, the main valve piece is composed of upper valve body and lower valve body, wherein the top of the lower valve body is provided with convex ring three, and the bottom of the lower valve body is provided with convex ring four.

[0010] The top of the upper valve body is provided with convex ring one, and the sidewall of the upper valve body and below convex ring one are provided with convex ring two.

[0011] Further, as preferred, the major axis length of the convex ring two, convex ring three and convex ring four increases in turn.

[0012] Further, as preferred, the straight line distance between the bottom surface of the main valve piece and the top surface of the folding part is equal to the straight line distance between the top surface of the air bag interface piece and the inner top surface of the annular notch.

[0013] The above-mentioned technology is adopted in the utility model, and the utility model has the following beneficial effects compared with the prior art:

[0014] The breathing valve of the utility model adopts flexible material, and can be squeezed and deformed by hand, and is inserted into the air bag interface piece after being reduced, so that the user can insert the breathing valve of the utility model on the air bag interface piece to provide breathing, and after the user experiences, other users can insert their breathing valves into the air bag interface piece of the air bag to continue using, and the convenience is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic view of installation of the replaceable buckle type breathing valve;

[0016] Fig. 2 It is a schematic view of three-dimensional structure of the replaceable buckle type breathing valve;

[0017] Fig. 3 It is a schematic view of side view structure of the replaceable buckle type breathing valve.

[0018] In the drawing: 2, air bag; 3, air bag interface piece; 11, main valve piece; 13, bite buckle; 14, clamping buckle; 16, folding part; 111, lower valve body; 112, upper valve body; 113, convex ring one; 114, convex ring two; 115, convex ring three; 116, convex ring four. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model embodiment will be described clearly and completely in combination with the drawings of the utility model embodiment.

[0020] Embodiment: please refer to the drawings of the utility model Figs. 1-3 The utility model provides a technical scheme: a replaceable buckle type breathing valve which can be quickly buckled and connected at the air bag interface piece 3 on the air bag 2, comprising:

[0021] The main valve piece 11 adopts a multilayer oval structure and is made of thermoplastic elastomer injection molding, and a valve is installed in the main valve piece 11;

[0022] The bite buckle 13 is provided with two and symmetrically arranged on the top surface of the main valve piece 11;

[0023] And clamps 14 are provided with two and symmetrically arranged on the inner wall of the bottom of the main valve 11, the bottom end of each clamp 14 is outwardly folded with a clamping portion 16, so that the clamp 14 can be connected with the annular notch on the inner wall of the air bag interface 3, and the main valve 11 is communicated with the air bag interface 3.

[0024] In the embodiment, the end angle of the top of each clamp 14 is chamfered.

[0025] In the embodiment, the main valve 11 is composed of an upper valve body 112 and a lower valve body 111, wherein the top of the lower valve body 111 is provided with a convex ring three 115, and the bottom of the lower valve body 111 is provided with a convex ring four 116.

[0026] The top of the upper valve body 112 is provided with a convex ring one 113, and the side wall of the upper valve body 112 and below the convex ring one 113 is provided with a convex ring two 114.

[0027] In the embodiment, the major axis length of the convex ring two 114, the convex ring three 115 and the convex ring four 116 increases in turn.

[0028] In the embodiment, the straight line distance between the bottom surface of the main valve 11 and the top surface of the clamping portion 16 is equal to the straight line distance between the top surface of the air bag interface 3 and the inner top surface of the annular notch 301.

[0029] In the specific implementation, the new breathing valve can be squeezed and deformed by hand, and after being reduced, it is inserted into the air bag interface 3, and the user can insert the new breathing valve on the air bag interface 3 for breathing, and after the experience of the user is completed, other users can insert their breathing valves into the air bag interface 3 of the air bag for continuous use, which is high in convenience.

[0030] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A replaceable snap-in breather valve, which can be quickly snap-connected at an air bag connection piece (3) on an air bag (2), characterized in that It includes: The main valve (11) is made of thermoplastic elastomer injection molding, and the valve (11) is installed with a valve; The catch (13) is provided with two, and is symmetrically arranged on the top surface of the main valve (11); And the clasp (14) is provided with two, and is symmetrically arranged on the inner wall of the bottom of the main valve (11), the bottom end of each clasp (14) is outwardly folded with a clamping part (16), so that the clasp (14) can be connected with the annular notch on the inner wall of the air bag interface (3), and the main valve (11) is communicated with the air bag interface (3).

2. A replaceable snap-in breather valve according to claim 1, characterized in that: The end angle of the top of each clasp (14) is chamfered.

3. A replaceable snap-in breather valve according to claim 1, characterized in that: The main valve (11) is composed of upper valve body (112) and lower valve body (111), wherein the top of the lower valve body (111) is provided with convex ring three (115), and the bottom of the lower valve body (111) is provided with convex ring four (116); The top of the upper valve body (112) is provided with convex ring one (113), and the side wall of the upper valve body (112) and below the convex ring one (113) is provided with convex ring two (114).

4. A replaceable snap-in breather valve according to claim 3, characterized in that: The long axis length of the convex ring two (114), the convex ring three (115) and the convex ring four (116) increases in turn.

5. A replaceable snap-in breather valve according to claim 1, characterized in that: The straight line distance between the bottom surface of the main valve (11) and the top surface of the clamping part (16) is equal to the straight line distance between the top surface of the air bag interface (3) and the inner top surface of the annular notch (301).

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