CN216844113U - Portable respirator connecting structure - Google Patents

Abstract

The utility model discloses a respirator connection structure, it includes the main valve body and gas bomb, the internal inlet channel that is equipped with of main valve, inlet channel's inlet end is given vent to anger through a connecting piece and gas bomb and is held and be connected, the connecting piece includes first connecting portion and second connecting portion, first connecting portion inner wall is equipped with the flaring matched with arch of giving vent to anger the end with the gas bomb, first connecting portion outer wall cover is equipped with an outer hoop, outer hoop holds first connecting portion tightly in gas bomb end of giving vent to anger, second connecting portion and inlet channel input sliding connection, inlet channel input central authorities open the spacing groove that has with the inlet channel intercommunication, the gas outlet of gas bomb end of giving vent to anger extends to the spacing inslot, spacing tank bottom surface and gas outlet terminal surface leave the clearance. The utility model discloses its simple structure easily realizes, can firmly connect breather valve body and gas bomb.

Description

Portable respirator connecting structure

Technical Field

The utility model relates to a lifesaving articles for use field specifically is portable respirator connection structure.

Background

The underwater rescue also refers to water area rescue, and is a rescue project with strong burst property, time urgency, high technical requirement, high rescue difficulty and high danger. In general, the method is used for performing unexpected losses or disasters caused by negligence of workers and certain irresistibility in marine activities such as ocean and river development, shipping, underwater and water construction, aquaculture, fishing and the like, or performing diving rescue or diving fishing actions caused by flood disasters. The diving rescue is a very professional and very dangerous occupational, as a 'retrograde person' under ice-cold water, the physical state is good, especially for dangerous cold and terrain-complex water areas, rescuers usually feel suffocated to enter water or bear a heavy oxygen device to enter water, and the situations are inconvenient at the time of emergency danger, and the best rescue opportunity is delayed; in addition, when the rescued people are in the expiring state, the emergency breathing device is timely provided to save precious lives. The existing underwater respirator is provided with a gas storage bottle which is heavy in weight and heavy and inconvenient to use, so that a portable respirator is available in the market, the purposes of portability and light weight are achieved, but a breathing valve body fixed on the gas storage bottle is unstable, particularly the problem of gas leakage between the breathing valve body and the gas storage bottle due to large underwater resistance is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a portable respirator connection structure, its simple structure easily realizes, can firmly connect breather valve body and gas bomb.

The utility model adopts the technical proposal that: the utility model provides a portable respirator connecting structure, which comprises a main valve body and a gas storage bottle, wherein an air inlet channel is arranged in the main valve body, the air inlet end of the air inlet channel is connected with the air outlet end of the gas storage bottle through a connecting piece, the connecting piece comprises a first connecting part and a second connecting part, the inner wall of the first connecting part is provided with a bulge matched with the flaring of the air outlet end of the gas storage bottle, the outer wall of the first connecting part is sleeved with an outer hoop part, the outer hoop part tightly holds the first connecting part at the air outlet end of the gas storage bottle, the second connecting part is in sliding connection with the input end of the air inlet channel, the center of the input end of the air inlet channel is provided with a limiting groove communicated with the air inlet channel, the air outlet of the air outlet end of the gas storage bottle extends into the limiting groove, a gap is reserved between the bottom surface of the limiting groove and the end surface of the air outlet, when the second connecting part slides towards the air inlet channel, the bottom surface of the limiting groove tightly supports against and presses the end surface of the air outlet, the opening of the air outlet is realized; when the second connecting portion slide towards the opposite direction of air inlet channel, the gas cylinder gas outlet terminal surface is kept away from to spacing tank bottom surface, realizes that the gas outlet is closed.

After the structure more than adopting, the utility model has the advantages of it is following: the connecting piece comprises a first connecting part and a second connecting part, wherein the first connecting part is buckled at the gas outlet end of the gas storage bottle through a protrusion, namely, the gas storage bottle is firmly connected with the first connecting part through a simple structure, the connection is convenient and easy to operate, the second connecting part is connected with the end part of a gas inlet channel extending out of the main respiration valve body in a sliding manner, the end part of the gas inlet channel is provided with a limiting groove, a gas outlet of the gas outlet end of the gas storage bottle extends into the limiting groove, a certain gap is reserved between the end surface of the gas outlet and the bottom surface of the limiting groove, the gas outlet can perform telescopic action along the gap, so that the end surface of the gas outlet is tightly abutted against or away from the bottom surface of the limiting groove, namely, when the second connecting part slides up along the gas inlet channel, the second connecting part drives the gas storage bottle to slide up, the end surface of the gas outlet is tightly abutted against the bottom surface of the limiting groove, the end surface of the limiting groove presses the gas outlet end, and at the gas storage bottle is in an open state; when the second connecting part slides downwards along the air inlet channel, the second connecting part drives the gas storage cylinder to slide downwards, the end face of the air outlet is far away from the bottom face of the limiting groove, the air outlet is reset, and the air outlet of the gas storage cylinder is in a closed state at the moment, so that the connecting piece is simple and easy to realize in structure, firm and stable in connection, has the function of a gas release switch of the gas storage cylinder, and is very convenient and practical;

in addition, first connecting portion outer wall still overlaps and is equipped with the outer hoop spare, and the outer hoop spare is hugged closely first connecting portion in the gas bomb end of giving vent to anger for be connected between first connecting portion and the gas bomb is more stable, thereby increases the security performance of whole respirator.

Preferably, the second connecting portion are provided with internal threads, the inlet channel input end is provided with external threads matched with the internal threads, and the threaded connection mode has the advantages of simple structure, easiness in realization and operation and capability of guaranteeing the connection tightness.

Preferably, the top end of the outer hoop extends radially to a position above the first connecting portion to form a limiting closing-in for stopping the outer hoop and preventing the outer hoop from being separated from the first connecting portion.

Preferably, outer hoop is equipped with the internal thread, first connecting portion be equipped with internal thread fit's external screw thread, threaded connection mode simple structure easily realizes, and the firm in connection is stable.

Preferably, the outer circumferential wall of the outer hoop member is provided with damping ribs at intervals, so that the outer hoop member can be conveniently assembled and disassembled manually.

Preferably, first connecting portion give vent to anger along the gas bomb and hold circumference distribution and have a plurality of connecting block, set up the clearance between the adjacent connecting block, the arch is located the connecting block and gives vent to anger the face of end towards the gas bomb, and its another side then be equipped with outer hoop female thread fit's external screw thread, and the connecting block has strengthened holding tightly the gas bomb end of giving vent to anger, has strengthened first connecting portion and gas bomb and has given vent to anger the connection between the end, can avoid first connecting portion and gas bomb rotation operation to take place the phenomenon of skidding simultaneously.

Preferably, the port of the limiting groove is chamfered, so that the air outlet of the gas storage bottle can be conveniently inserted into the limiting groove.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a sectional view a-a in fig. 1.

Fig. 3 is an enlarged view of fig. 2 at B.

Wherein, 1, the main valve body; 2. a gas cylinder; 2-1, an air outlet; 2-2, flaring; 3. an air intake passage; 3-1, limiting grooves; 4. a connecting member; 4-1, a first connection portion; 4-2, a second connecting part; 4-3, convex; 4-4, an outer hoop member; 4-5, closing up; 4-6, damping ribs; 4-7, connecting blocks; 5. breathing mouthpiece.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The utility model provides a respirator connection structure, as shown in fig. 1 ~ 3, it includes the main valve body 1 and gas bomb 2, is equipped with an inlet channel 3 in the main valve body 1, and inlet channel 3's inlet end is given vent to anger through a connecting piece 4 and gas bomb 2 and is held and be connected, and gas of gas bomb 2 gets into main valve body 1 in through inlet channel 3, then the internal gas of main valve body 1 gets into the human body through breathing mouthpiece 5.

The connecting piece 4 comprises a first connecting part 4-1 and a second connecting part 4-2, the first connecting part 4-1 and the second connecting part 4-2 are integrated, and the first connecting part 4-1 and the second connecting part 4-2 are both in cover-shaped structures with openings.

The first connecting part 4-1 is sleeved at the air outlet end of the gas storage bottle 2, the inner wall of the first connecting part 4-1 is provided with a bulge 4-3, the bulge 4-3 extends out from the inner wall of the first connecting part 4-1 and is distributed in an annular shape, the bulge 4-3 can be buckled below the self-provided flared opening 2-2 of the air outlet end of the gas storage bottle 2 to form axial limiting by pressing the first connecting part 4-1 to the air outlet end of the gas storage bottle 2, so that the first connecting part 4-1 is buckled to the air outlet end of the gas storage bottle 2,

the outer wall of the first connecting portion 4-1 is sleeved with an outer hoop member 4-4, the outer hoop member 4-4 is also of a cover-shaped structure with an opening, inner threads are arranged on the inner peripheral wall of the outer hoop member 4-4, the first connecting portion 4-1 is provided with outer threads matched with the inner threads of the outer hoop member 4-4, the outer hoop member 4-4 is connected to the outer peripheral wall of the first connecting portion 4-1 in a threaded connection mode, namely the outer hoop member 4-4 can slide up and down along the outer peripheral wall of the first connecting portion 4-1, so that the first connecting portion 4-1 is tightly embraced by the outer hoop member 4-4 at the air outlet end of the gas storage bottle 2, and connection between the first connecting portion 4-1 and the air outlet end of the gas storage bottle 2 is reinforced.

The input end of the air inlet channel 3 extends out from the main valve body 1 to form a connecting end, an external thread is additionally arranged on the connecting end, an internal thread matched with the external thread is additionally arranged on the second connecting part 4-2, the second connecting part 4-2 is in sliding connection with the air inlet channel 3 in a threaded connection mode, the structure is simple, stable and easy to achieve, and it needs to be explained that after the top end of the first connecting part 4-1 is connected with the air inlet channel 3, a certain gap is reserved between the top end of the first connecting part 4-1 and the outer surface of the root part of the air inlet channel 3 and is used for adapting to up-and-down sliding adjustment between the first connecting part 4-1 and the air inlet channel 3.

The top end of the outer hoop 4-4 extends to the upper side of the first connecting portion 4-1 to form a closing-in 4-5, the closing-in 4-5 and the first connecting portion 4-1 form a buckle, when the outer hoop 4-4 is sleeved on the first connecting portion 4-1 and slides downwards to the lowest point, the closing-in 4-5 can be tightly pressed onto the end face of the first connecting portion 4-1 to form a limiting position, and the outer hoop 4-4 is prevented from separating from the first connecting portion 4-1 after continuously sliding downwards.

The peripheral wall of the outer hoop member 4-4 is provided with damping convex edges 4-6 at intervals, so that the outer hoop member can be conveniently held and rotated manually.

Furthermore, the part of the first connecting part 4-1, which is connected with the outer hoop part 4-4, is a plurality of connecting blocks 4-7 which are circumferentially distributed, a gap is arranged between every two adjacent connecting blocks 4-7, the surface of each connecting block 4-7, which faces the air outlet end of the gas storage bottle 2, is provided with a bulge 4-3, the bulges 4-3 on all the connecting blocks 4-7 are in the same horizontal position, and the plurality of connecting blocks 4-7 are arranged to facilitate the first connecting part 4-1 to be inserted into and clamped with the flaring 2-2 of the air outlet end of the gas storage bottle 2, when the bulges 4-3 are along the outer wall of the air outlet end of the gas storage bottle 2, the connecting blocks 4-7 can deform and buffer outwards, so that the labor is saved, the installation is convenient, the other side of the connecting piece is provided with an external thread matched with the internal thread of the outer hoop part 4-4, so that the outer hoop part 4-4 is connected to the outer peripheral wall of the first connecting part 4-1 in a threaded connection mode.

The center of the input end of the air inlet channel 3 is provided with a limiting groove 3-1 communicated with the air inlet channel 3, the diameter size of the limiting groove 3-1 is larger than the size of the air inlet channel 3, an air outlet 2-1 of the air outlet end of the air storage bottle 2 extends into the limiting groove 3-1, so that the air inlet channel 3 is communicated with the air outlet 2-1 at the air outlet end of the air storage bottle 2 through the limiting groove 3-1, a certain gap is left between the bottom surface of the limiting groove 3-1 and the end surface of the air outlet 2-1, when the second connecting part 4-2 slides towards the air inlet channel 3, the bottom surface of the limiting groove 3-1 tightly abuts against and presses the end surface of the air outlet 2-1 to open the air outlet 2-1, and at the moment, air discharged from the air outlet 2-1 of the air storage bottle 2 enters the air inlet channel 3 through the limiting groove 3-1 and enters the main valve body 1 along the air inlet channel 3; when the second connecting part 4-2 slides towards the opposite direction of the air inlet channel 3, the bottom surface of the limiting groove 3-1 is far away from the end surface of the air outlet 2-1 of the air storage bottle 2, namely the air outlet 2-1 of the air storage bottle 2 is released and closed to realize the closing of the air outlet 2-1, and in summary, the limiting groove 3-1 at the input end of the air inlet channel 3 presses or is far away from the air outlet 2-1 of the air storage bottle 2 to realize the opening and closing of the air outlet 2-1 of the air storage bottle 2 by the fact that the second connecting part 4-2 slides up and down along the input end of the air inlet channel 3. Because the second connecting part 4-2 is in threaded connection with the input end of the air inlet channel 3, accurate rotation can be achieved, and therefore accurate control over opening and closing of the air outlet 2-1 of the air storage bottle 2 is achieved.

It should be noted that, in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (7)

1. A portable respirator connecting structure comprises a main valve body (1) and a gas storage bottle (2), wherein a gas inlet channel (3) is arranged in the main valve body (1), the gas inlet end of the gas inlet channel (3) is connected with the gas outlet end of the gas storage bottle (2) through a connecting piece (4),

the connecting piece (4) comprises a first connecting part (4-1) and a second connecting part (4-2), the inner wall of the first connecting part (4-1) is provided with a bulge (4-3) matched with the flaring (2-2) of the air outlet end of the air storage bottle (2), the outer wall of the first connecting part (4-1) is sleeved with an outer hoop part (4-4), the first connecting part (4-1) is tightly held at the air outlet end of the air storage bottle (2) by the outer hoop part (4-4), the second connecting part (4-2) is connected with the input end of the air inlet channel (3) in a sliding manner,

a limiting groove (3-1) communicated with the air inlet channel (3) is formed in the center of the input end of the air inlet channel (3), an air outlet (2-1) of the air outlet end of the air storage bottle (2) extends into the limiting groove (3-1), a gap is reserved between the bottom surface of the limiting groove (3-1) and the end surface of the air outlet (2-1), and when the second connecting part (4-2) slides towards the air inlet channel (3), the bottom surface of the limiting groove (3-1) tightly abuts against and presses the end surface of the air outlet (2-1), so that the air outlet (2-1) is opened; when the second connecting part (4-2) slides towards the opposite direction of the air inlet channel (3), the bottom surface of the limiting groove (3-1) is far away from the end surface of the air outlet (2-1) of the air storage bottle (2), so that the air outlet (2-1) is closed.

2. The portable respirator connection structure of claim 1, wherein: the second connecting portion (4-2) is provided with an internal thread, and the input end of the air inlet channel (3) is provided with an external thread matched with the internal thread.

3. The portable respirator connection structure of claim 1, wherein: the top end of the outer hoop part (4-4) extends to the upper part of the first connecting part (4-1) to form a limiting closing-in part (4-5).

4. The portable respirator connection structure of claim 3, wherein: the outer hoop member (4-4) is provided with an internal thread, and the first connecting portion (4-1) is provided with an external thread matched with the internal thread.

5. The portable respirator connection structure of claim 4, wherein: the peripheral wall of the outer hoop member (4-4) is provided with damping convex ribs (4-6) at intervals.

6. The portable respirator connection structure of claim 1, wherein: the part of the first connecting part (4-1) connected with the outer hoop part (4-4) is a plurality of connecting blocks (4-7) distributed in the circumferential direction, a gap is formed between every two adjacent connecting blocks (4-7), the protrusions (4-3) are positioned on the surface of the connecting blocks (4-7) facing the air outlet end of the air storage bottle (2), and external threads matched with the internal threads of the outer hoop part (4-4) are arranged on the other surface of the protrusions.

7. The portable respirator connection structure of claim 1, wherein: and chamfering the port of the limiting groove (3-1).

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