Portable air bag for respirator

Abstract

The utility model discloses a portable air bag for a respirator, and relates to the technical field of portable respirators, the portable air bag comprises an air bag body and a communicating pipe communicating with the respirator, and the air bag body is connected with one end of the communicating pipe through a connecting structure; the connecting structure comprises a fixing pipe arranged on the air bag body, the outer diameter of the fixing pipe is provided with external threads, one end of the outer diameter of the fixing pipe is provided with a butt joint ring, the communicating pipe is sleeved with a sleeve, one end of the inner diameter of the sleeve is provided with a contraction part, and the other end of the inner diameter of the sleeve is provided with internal threads. The sleeve and the fixing pipe are screwed through threads, the butt joint ring is sleeved with one end of the communicating pipe, and the contraction part abuts against the communicating pipe. Therefore, the problems existing in an existing respirator are solved, the occupied volume during storage is reduced, the respirator is more comfortable to wear, and the use flexibility and the use convenience are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of portable respirators, in particular to a portable air bag for a respirator. BACKGROUND

[0002] The existing respirator is a self-contained breathing apparatus, which is widely used in fire fighting, chemical industry, shipbuilding, petroleum, smelting, warehouse, laboratory, mine and the like, for fire fighters or escape personnel to perform fire fighting operations and escape from various dangerous environments such as smoke, toxic gas or lack of oxygen. Among them, the chemical oxygen respirator is a relatively ideal fire fighting equipment.

[0003] The existing chemical oxygen respirator is mostly in a fixed form, and the air bag is fixedly connected with the respirator mask in an integrated manner, has a large volume, is not flexible to use, occupies a large space when stored in a non-use state, and when a fire accident occurs, the user often wastes a lot of time when wearing and using, thereby losing valuable escape time, and is not comfortable after wearing, affecting the escape speed of the personnel. CONTENT OF THE INVENTION

[0004] In order to solve the problems of the existing respirator, reduce the volume occupied when stored, and improve the convenience of personnel use, the present application provides a portable air bag for a respirator.

[0005] The present application provides a portable air bag for a respirator, which adopts the following technical scheme.

[0006] A portable air bag for a respirator, comprising an air bag body and a communication pipe in communication with the respirator, the air bag body being connected with one end of the communication pipe through a connecting structure;

[0007] The connecting structure comprises a fixed pipe provided on the air bag body, an outer thread is provided on the outer diameter of the fixed pipe, a butt joint ring is provided on one end of the outer diameter of the fixed pipe, a sleeve pipe is sleeved on the communication pipe, a contraction portion is provided on one end of the inner diameter of the sleeve pipe, an inner thread is provided on the other end of the inner diameter of the sleeve pipe, the sleeve pipe and the fixed pipe are arranged by screwing, one end of the communication pipe is sleeved on the butt joint ring, and the contraction portion abuts against the communication pipe.

[0008] By adopting the above technical scheme, the air bag body is connected with the respirator through the communication pipe, and the air bag body is connected with the communication pipe through the connecting structure, so that the air bag body is no longer directly connected with the respirator, separation is realized, the connecting mode of the connecting structure is simple and reliable, the air bag body and the communication pipe are quickly installed and detached, operation is convenient, use flexibility is improved, operation is convenient when the personnel uses, the air bag body is not rigidly connected with the respirator, wearing is convenient, the influence on the escape speed of the personnel is low, and portability is improved.

[0009] Optionally, the outer diameter of the butt joint ring is arranged close to the chamfer of the communication pipe end.

[0010] By adopting the technical scheme, the butt joint ring is arranged on one end of the communication pipe, and the butt joint is firm, so that the installation convenience is improved, and the connection is more firm.

[0011] Optionally, the butt joint ring is provided with a sealing ring groove A close to one end of the communication pipe, and a sealing ring A is arranged in the sealing ring groove A.

[0012] By adopting the technical scheme, the sealing ring A is arranged, the connection sealing property is improved, and air leakage is prevented.

[0013] Optionally, the sleeve is provided with a sealing ring groove B at the contraction part, and a sealing ring B is arranged in the sealing ring groove B.

[0014] By adopting the technical scheme, the sealing ring B is arranged, the connection sealing property is provided, and air leakage is prevented.

[0015] Optionally, the air bag body includes an inner bag and an outer bag, and a gap is arranged between the inner bag and the outer bag.

[0016] By adopting the technical scheme, the air bag body is designed as a double-layer design of the inner bag and the outer bag, so that the durability of the air bag body is improved, air leakage of the air bag body is prevented during use, and normal use is ensured when one layer is damaged and leaks.

[0017] Optionally, the air bag body is provided with an inflation mechanism, and the inflation mechanism is used to drive the air bag body to inflate and intake air from the air inlet valve.

[0018] By adopting the technical scheme, the inflation mechanism is arranged, the air bag body is driven to inflate when the air bag body is used, and the air bag body can be filled with air before the chemical oxygen respirator is used.

[0019] Optionally, the inflation mechanism includes an elastic element, a positioning structure for connecting an end of the elastic element is arranged on the inner wall of the air bag body, the positioning structure includes a connecting disc, a positioning groove is arranged on the connecting disc, and the end of the elastic element is arranged in the positioning groove.

[0020] By adopting the technical scheme, in a non-use state, the elastic element can be compressed with the air bag body, so that the air bag body is convenient to store and carry, in use, the air bag body is driven to inflate by the elastic element supporting the positioning structure, the use is convenient, and the user does not need to operate too much.

[0021] Optionally, the air bag body is provided with a pressure relief valve, the air bag body is provided with an air inlet valve, and a cap is arranged on the air inlet valve.

[0022] By adopting the technical scheme, the pressure relief valve is arranged, in use, the chemical oxygen is used to prevent the air pressure in the air bag body from being too high, the air inlet valve is arranged to realize air inlet of the air bag body, and the cap can be sealed to prevent gas from entering the air bag body at will.

[0023] Optionally, the air bag body is made of elastic material.

[0024] By adopting the technical scheme, the air bag is made of elastic material, which facilitates storage of gas in use and storage when not in use, occupies small space, is convenient to carry, and can be made into any shape, thereby improving use convenience.

[0025] Optionally, the communication pipe is a flexible pipe.

[0026] By adopting the technical scheme, the flexible pipe is designed, the air bag body is not rigidly connected with the respirator, in the wearing and using process, the air bag body can change position according to the use condition of the user, the portability in use is improved, the damage risk of the air bag body in use is also reduced.

[0027] In summary, the present application at least includes the following beneficial effects:

[0028] 1. The air bag body of the present application is connected with the respirator through the communication pipe, so that the air bag body is no longer directly connected with the respirator, is separated, the communication pipe is a flexible pipe, the flexible pipe is designed, the air bag body is not rigidly connected with the respirator, in the wearing and using process, the air bag body can change position according to the use condition of the user, the portability in use is improved, the use flexibility is improved, and the damage risk of the air bag body in use is also reduced.

[0029] 2. The air bag body of the present application is connected with the communication pipe through the connecting structure, the connection mode is simple and reliable, the air bag body and the communication pipe are quickly installed and disassembled, operation is convenient, the use flexibility is improved, in the use of personnel, operation is convenient, the air bag body is not rigidly connected with the respirator, wearing is convenient, the influence on the escape speed of personnel is low, and the portability is improved.

[0030] 3. The air bag body of the present application includes an inner bag and an outer bag, and a gap is arranged between the inner bag and the outer bag. By arranging the air bag body in a double-layer design of the inner bag and the outer bag, the durability of the air bag body is improved, air leakage of the air bag body in the use process is prevented, and normal use is ensured when one layer is damaged and leaks.

[0031] 4, The air bag body of the application is provided with an inflation mechanism, which is used to drive the air bag body to inflate and take in air from the air inlet valve. Through the arrangement of the inflation mechanism, the air bag body can be inflated when it is used, and the air bag body can be filled with air before the chemical oxygen respirator is used. The inflation mechanism includes an elastic element, and the inner wall of the air bag body is provided with a positioning structure for connecting the end of the elastic element. The positioning structure includes a connecting disc provided with a positioning groove, and the end of the elastic element is arranged in the positioning groove. In the non-use state, the elastic element can be compressed with the air bag body for easy storage and carrying. When used, the elastic element is used to open the positioning structure to drive the air bag body to inflate, which is convenient to use and does not require too much operation of the user. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0033] Fig. 1 It is a schematic diagram of a portable air bag structure for a respirator.

[0034] Fig. 2 It is a schematic diagram of a connecting structure.

[0035] Fig. 3 It is a schematic diagram of a connecting structure.

[0036] Fig. 4 It is an explosion schematic diagram of a connecting structure.

[0037] Fig. 5 It is a schematic diagram of an inflation mechanism.

[0038] The reference signs are as follows: 1, air bag body; 2, communication pipe; 3, pressure relief valve; 4, air inlet valve; 5, elastic element; 6, connecting disc; 7, fixed pipe; 8, external thread; 9, butt joint ring; 10, sleeve; 11, contraction part; 12, internal thread; 13, sealing ring A; 14, sealing ring B. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0040] The application will be further described below in conjunction with the accompanying drawings. Figs. 1 to 5 The application will be further described below in conjunction with the accompanying drawings.

[0041] The application discloses a portable air bag for a breathing apparatus.

[0042] Referring to Figs. 1 to 5 The application discloses a portable air bag for a breathing apparatus, which comprises an air bag body 1 and a communication pipe 2 in communication with a breathing apparatus (a chemical oxygen breathing apparatus mask), and the air bag body 1 is connected to one end of the communication pipe 2 through a connecting structure.

[0043] The air bag body 1 comprises an inner bag and an outer bag, and a gap is arranged between the inner bag and the outer bag. By arranging the air bag body 1 in a double-layer design of the inner bag and the outer bag, the durability of the air bag body 1 can be improved, and the air bag body 1 can be prevented from being damaged and leaking in use, so that normal use can be ensured when one layer is damaged and leaks.

[0044] The air bag body 1 is made of an elastic material, such as silicon rubber, TPU, TPU film, PUC or PUC film, and the elastic material is temperature-resistant, flame-retardant and odorless. The air bag body 1 is made of the elastic material, so that the air bag body 1 is convenient for storing gas in use and storing and accommodating in non-use, occupies small space, is convenient to carry, can be made into any shape, and the use convenience is improved.

[0045] The air bag body 1 is provided with a pressure relief valve 3 and an air inlet valve 4, and the air inlet valve 4 is provided with a cap. By arranging the pressure relief valve 3, the air pressure in the air bag body 1 can be prevented from being too high in use because the chemical oxygen breathing apparatus uses chemical oxygen. By arranging the air inlet valve 4, the air bag body 1 can be filled with air, and the cap can be sealed to prevent air from entering the air bag body 1 at will.

[0046] The air bag body 1 is provided with an expansion mechanism. The expansion mechanism is used for driving the air bag body 1 to expand and taking in air through the air inlet valve 4. By arranging the expansion mechanism, the air bag body 1 can be driven to expand in use, so that the air bag body 1 can be filled with air before the chemical oxygen breathing apparatus is used. The expansion mechanism comprises an elastic element 5, which can be a spring. The inner wall of the air bag body 1 is provided with a positioning structure for connecting the end of the elastic element 5. The positioning structure comprises a connecting disc 6, and the connecting disc 6 is provided with a positioning groove. The end of the elastic element 5 is arranged in the positioning groove. In a non-use state, the elastic element 5 can be compressed with the air bag body 1 for storage and carrying. In use, the elastic element 5 is used to drive the positioning structure to expand, so that the air bag body 1 is driven to expand. The use is convenient, and the user does not need to operate too much.

[0047] The communication pipe 2 is a flexible pipe, which can be a bellows pipe. The flexible pipe is designed such that the air bag body 1 is not rigidly connected to the respirator. During wearing and use, the air bag body 1 can change position according to the use of the user, thereby improving the use flexibility and portability, and reducing the risk of damage of the air bag body 1 during use.

[0048] The connecting structure comprises a fixing pipe 7 arranged on the air bag body 1. The outer diameter of the fixing pipe 7 is provided with external threads 8. The end of the outer diameter of the fixing pipe 7 is provided with a butt joint ring 9. A sleeve pipe 10 is arranged on the communication pipe 2. The outer diameter of the sleeve pipe 10 is hexagonal or provided with an anti-skid structure, which facilitates the rotation and screwing of the sleeve pipe 10. The inner diameter of one end of the sleeve pipe 10 is provided with a contraction part 11. The inner hole diameter of the contraction part 11 is reduced. The inner diameter of the other end of the sleeve pipe 10 is provided with internal threads 12. The sleeve pipe 10 is arranged in a threaded manner with the fixing pipe 7. The end of the communication pipe 2 is arranged in the butt joint ring 9. The contraction part 11 abuts against the end of the communication pipe 2. The end of the fixing pipe 7, the butt joint ring 9, the communication pipe 2 and the contraction part 11 abut against each other, thereby tightly fitting and achieving the fixed connection of the communication pipe 2 and the fixing pipe 7.

[0049] The end of the fixing pipe 7 is chamfered. The inner diameter of the butt joint ring 9 is close to the chamfered end of the fixing pipe 7. The outer diameter of the butt joint ring 9 is close to the chamfered end of the communication pipe 2. The structure of the butt joint ring 9 facilitates the arrangement of the end of the communication pipe 2 in the butt joint ring 9, and facilitates the installation convenience and the reliable connection.

[0050] The end of the butt joint ring 9 close to the communication pipe 2 is provided with a sealing ring groove A. A sealing ring A13 is arranged in the sealing ring groove A. The arrangement of the sealing ring A13 improves the connection sealing property and prevents air leakage. The contraction part 11 of the sleeve pipe 10 is provided with a sealing ring groove B. A sealing ring B14 is arranged in the sealing ring groove B. The arrangement of the sealing ring B14 provides the connection sealing property and prevents air leakage. The end of the fixing pipe is provided with a sealing ring groove C. A sealing ring C is arranged in the sealing ring groove C. The arrangement of the sealing ring C improves the connection sealing property and prevents air leakage.

[0051] The air bag body 1 is connected to the respirator through the communication pipe 2. The air bag body 1 is connected to the communication pipe 2 through the connecting structure, so that the air bag body 1 is no longer directly connected to the respirator, thereby achieving separation. The connecting mode of the connecting structure is simple and reliable. The air bag body 1 and the communication pipe 2 are quickly installed and detached, thereby improving the use flexibility and the portability.

[0052] In the description of the utility model, it is understood that the terms "two ends", "one end", "end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified and limited, it is necessary to explain that the term "connection" should be understood broadly, for example, it can be mechanical connection or electrical connection, and can also be the communication between two elements, can be directly connected, or indirectly connected through an intermediate medium, and for those skilled in the art, the specific meaning of the above-mentioned term can be understood according to the specific situation.

[0053] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A portable airbag for a respirator, characterized by, The connecting structure comprises a fixing pipe arranged on the air bag body, an outer diameter of the fixing pipe is provided with an external thread, an end of the outer diameter of the fixing pipe is provided with a butt joint ring, a sleeve pipe is sleeved on the connecting pipe, an end of an inner diameter of the sleeve pipe is provided with a contraction part, the other end of the inner diameter of the sleeve pipe is provided with an internal thread, the sleeve pipe is arranged by screwing with the fixing pipe, an end of the connecting pipe is sleeved on the butt joint ring, and the contraction part is abutted with the connecting pipe. An outer diameter of the butt joint ring is arranged close to an end chamfer of the connecting pipe.

2. The portable bladders for respirators according to claim 1, wherein, A sealing ring groove A is arranged on the butt joint ring close to an end of the connecting pipe.

3. The portable bladders for respirators according to claim 1, wherein, A sealing ring groove B is arranged on the contraction part of the sleeve pipe.

4. The portable bladders for respirators according to claim 1, wherein, The air bag body comprises an inner bag and an outer bag, and a gap is arranged between the inner bag and the outer bag.

5. The portable bladders for respirators according to claim 1, wherein, An expansion mechanism is arranged in the air bag body, the expansion mechanism is used for driving the air bag body to expand, and air is introduced from an air inlet valve.

6. The portable bladders for respirators according to claim 1, wherein, The expansion mechanism comprises an elastic element, an inner wall of the air bag body is provided with a positioning structure for connecting an end of the elastic element, the positioning structure comprises a connecting disc, the connecting disc is provided with a positioning groove, and the end of the elastic element is arranged in the positioning groove.

7. A portable bladders for respirators according to claim 6, characterized in that, The air bag body is provided with a pressure relief valve, the air bag body is provided with an air inlet valve, and the air inlet valve is provided with a cap.

8. The portable bladders for respirators of claim 1, wherein, The air bag body is made of an elastic material.

9. The portable bladders for respirators according to claim 1, wherein, The connecting pipe is a flexible pipe.

10. The portable bladders for respirators of claim 1, wherein, ​

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