Mouth piece structure capable of automatically resetting and having sound transmission function

Abstract

The utility model discloses a mouthpiece structure capable of automatically resetting and having a sound transmission function, which comprises a mouthpiece body and a shell capable of being communicated with a breathing device, a first chamber and a second chamber which can be communicated with each other are arranged in the shell, one end of the mouthpiece body is provided with an elastic device capable of sealing the first chamber, and the other end of the mouthpiece body is provided with a sound transmission device. The elastic device is located in the first cavity and comprises a push plate and a movable plug arranged on one side of the push plate, a reset spring is arranged in the movable plug, a thin film used for sound transmission is arranged on the side, away from the push plate, of the movable plug, the first cavity and the second cavity can be communicated or closed through the movable plug under the action of the push plate and the reset spring, operation is easy, and practicability is high. The utility model relates to a respirator, which can effectively solve the problem that a chemical filter element, an absorbent and the like in the respirator are affected with damp and fail.

Description

Technical Field

[0001] The utility model belongs to the fields of medical devices and respiratory protection articles, and more specifically relates to a bite valve structure with an automatic reset function and a sound transmission function. Background Art

[0002] At present, the mouth and nose ends of respirator products on the market usually adopt three types of accessories: bite valves, half masks, and full masks. Among them, the bite valve has strong scene adaptability and also has the characteristics of small size.

[0003] However, the internal gas path structure of a conventional bite valve is usually connected to the outside. That is, after the respirator is turned on and used for a period of time, if it is not used temporarily, the respirator is not sealed from the external environment, which easily causes the chemical filter element, absorbent, etc. inside the respirator to become damp and ineffective. There are also some products that, in order to solve this problem, are equipped with a plug beside the bite valve for temporary sealing, but it is easy to lose.

[0004] Moreover, in application scenarios such as coal mines, most compressed oxygen and chemical oxygen self-rescuers, due to requirements for portability such as volume and packaging, the equipped bite valves generally do not have a sound transmission function. However, in scenarios such as emergency fire fighting and military and police use, existing products such as chemical oxygen self-rescuers and respirators cannot meet the needs of users for intermittent use of the respirator during long-term work and on-site command sound transmission communication. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide a bite valve structure with an automatic reset function and a sound transmission function that can solve the above problems.

[0006] To achieve the above object, the technical solution of the utility model is as follows:

[0007] A bite valve structure with an automatic reset function and a sound transmission function includes a bite valve body and a housing that can be connected to a breathing device. A first chamber and a second chamber that can communicate with each other are provided inside the housing. One end of the bite valve body is provided with an elastic device that can seal the first chamber. The elastic device is located inside the first chamber. The elastic device includes a push plate and a movable plug arranged on one side of the push plate. A return spring is arranged inside the movable plug. The movable plug can communicate or close the first chamber and the second chamber under the action of the push plate and the return spring. A film for sound transmission is arranged on the side of the movable plug away from the push plate.

[0008] In a specific embodiment of the utility model, when the user holds the bite valve body in the mouth, the push plate can be pushed by the lips to compress the movable plug and the return spring, so that the first chamber and the second chamber communicate. The movable plug can rebound under the action of the return spring to close the first chamber and the second chamber.

[0009] In a specific embodiment of the present utility model, the elastic device further includes connecting columns respectively arranged on both sides of the movable plug and a top block connected to the movable plug.

[0010] In a specific embodiment of the present utility model, a connecting plate is provided at one end of the top block away from the push plate.

[0011] In a specific embodiment of the present utility model, a bottom cover is provided on the outer side of the connecting plate.

[0012] In a specific embodiment of the present utility model, the movable plug is of a cylindrical structure, and the side wall of the movable plug is corrugated.

[0013] In a specific embodiment of the present utility model, the movable plug is a component made of silica gel.

[0014] In a specific embodiment of the present utility model, it further includes a nose clip that can be used in cooperation with the mouthpiece body.

[0015] In a specific embodiment of the present utility model, the film is a component made of silica gel.

[0016] At least one of the technical solutions in the above technical solutions of the present utility model has the following advantages or beneficial effects:

[0017] The present utility model designs the mouthpiece body and the elastic device for sealing together, which can effectively avoid the loss of blocking parts; and under the action of the push plate and the return spring, the first chamber and the second chamber can be connected or closed through the movable plug, and the operation is simple, which can effectively solve the problem that chemical filters, absorbents, etc. inside the respirator are affected by moisture and become ineffective. Description of the Drawings

[0018] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0019] Att Figure 1 is the overall structure diagram of an embodiment of the present utility model;

[0020] Att Figure 2 is the cross-sectional view of an embodiment of the present utility model;

[0021] Att Figure 3 is the front view of an embodiment of the present utility model;

[0022] Att Figure 4 is the cross-sectional view in the A-A direction of an embodiment of the present utility model;

[0023] Att Figure 5 is the side view of an embodiment of the present utility model;

[0024] Appended Figure 6 It is a sectional view taken along the B-B direction of an embodiment of the present utility model. Specific embodiments

[0025] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0026] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0027] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, or a detachable connection or an inseparable connection, or an integral connection; it can be a mechanical connection, an electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication or indirect communication of two elements or the interaction relationship between two elements.

[0030] The following disclosure provides many different embodiments or examples for implementing different solutions of the present utility model.

[0031] Refer to the appended Figure 1 to the appended Figure 6As shown in the figure, a mouthpiece structure with automatic reset and sound transmission function includes a mouthpiece body 1, a housing 2 that can communicate with a breathing device, and a nose clip 6 that can be used in cooperation with the mouthpiece body 1. A first chamber 21 and a second chamber 22 that can communicate with each other are provided in the housing 2.

[0032] In an embodiment of the present invention, one end of the mouthpiece body 1 is provided with an elastic device 3 that can seal the first chamber 21. The elastic device 3 is arranged in the first chamber 21. The elastic device 3 includes a push plate 31, a movable plug 32 arranged on one side of the push plate 31 for communicating or closing the first chamber 21 and the second chamber 22, connecting columns 33 arranged on both sides of the movable plug 32, and a top block 34 connected to the movable plug 32.

[0033] In an embodiment of the present invention, the movable plug 32 can communicate or close the first chamber 21 and the second chamber 22 under the action of the push plate 31 and the return spring 4. A connecting plate 5 is provided at one end of the top block 34 away from the push plate 31. A bottom cover is provided on the outside of the connecting plate 5. Specifically, when the user's lips touch the push plate 31 and compress it forward, the connecting columns 33, the connecting plate 5, and the top block 34 are driven to move forward at the same time. The top block 34 pulls the movable plug 32 to move forward, and the breathing channel is opened. At the same time, the return spring 4 is compressed.

[0034] In an embodiment of the present invention, the movable plug 32 is of a cylindrical structure, and the side wall of the movable plug 32 is corrugated, so as to facilitate sealing through the corrugated structure of the side wall of the movable plug 32. The movable plug 32 is a silicone material component.

[0035] In an embodiment of the present invention, a film for sound transmission is provided on the side of the movable plug 32 away from the push plate 31. The film is made of silicone material, and the function of the sound transmission diaphragm can be realized through the film.

[0036] In an embodiment of the present invention, a return spring 4 is provided in the movable plug 32. When the user holds the mouthpiece body 1 in the mouth, the push plate 31 can be pushed by the lips to compress the return spring 4, so that the first chamber 21 and the second chamber 22 communicate.

[0037] In an embodiment of the present invention, during use, the user holds the mouthpiece body 1 in the mouth, and the push plate 31 can be pushed by the lips to compress the movable plug 32 and the return spring 4, so that the first chamber 21 and the second chamber 22 communicate;

[0038] When the user removes the mouthpiece body 1, the push plate 31 loses the push of the lips and moves backward and resets under the action of the return spring 4, driving the movable plug 32 to move backward and reset as well. The breathing channel is closed, thereby closing the first chamber 21 and the second chamber 22, effectively isolating the outside gas from entering, and ensuring the tightness of the breathing circuit of the whole product.

[0039] In one embodiment of the present utility model, the bite valve structure is integrally designed, with the bite valve body 1 and the elastic device 3 for sealing designed together, avoiding the loss of blocking parts, and can simultaneously be applied to breathing apparatuses on land and in water, such as self-rescuers, diving closed-circuit breathing apparatuses, etc.

[0040] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A mouthpiece structure that can automatically reset and has a sound transmission function, characterized in that: The invention comprises a mouthpiece body (1) and a shell (2) which can be communicated with a breathing device, wherein a first chamber (21) and a second chamber (22) which can be communicated with each other are arranged in the shell (2), and an elastic device (3) which can seal the first chamber (21) is arranged at one end of the mouthpiece body (1), and the elastic device (3) is located in the first chamber (21), and the elastic device (3) comprises a push plate (31) and a movable plug (32) arranged on one side of the push plate (31), and a return spring (4) is arranged in the movable plug (32), and the movable plug (32) can connect or close the first chamber (21) and the second chamber (22) under the action of the push plate (31) and the return spring (4), and a film for transmitting sound is arranged on the side of the movable plug (32) away from the push plate (31).

2. The mouthpiece structure capable of automatic reset and having a sound transmission function according to claim 1, characterized in that: When a user puts the mouthpiece body (1) into his / her mouth, he / she can push the push plate (31) through his / her lips to compress the movable plug (32) and the return spring (4), so that the first chamber (21) and the second chamber (22) are connected. The movable plug (32) can rebound under the action of the return spring (4) to close the first chamber (21) and the second chamber (22).

3. The mouthpiece structure capable of automatic reset and having a sound transmission function according to claim 1, characterized in that: The elastic device (3) further comprises connecting columns (33) respectively arranged on both sides of the movable plug (32) and a top block (34) connected to the movable plug (32).

4. The mouthpiece structure capable of automatic reset and having a sound transmission function according to claim 3, characterized in that: A connecting plate (5) is provided at one end of the top block (34) away from the push plate (31).

5. The mouthpiece structure capable of automatic reset and having a sound transmission function according to claim 4, characterized in that: A bottom cover is provided on the outer side of the connecting plate (5).

6. The mouthpiece structure capable of automatic reset and having a sound transmission function according to claim 1, characterized in that: The movable plug (32) is a cylindrical structure, and the side wall of the movable plug (32) is corrugated.

7. The mouthpiece structure capable of automatically resetting and having a sound transmission function according to claim 6, characterized in that: The movable plug (32) is a component made of silicone material.

8. The mouthpiece structure capable of automatic reset and having a sound transmission function according to claim 1, characterized in that: Also included is a nose clip (6) that can be used in conjunction with the mouthpiece body (1).

9. The mouthpiece structure capable of automatic reset and having a sound transmission function according to claim 1, characterized in that: The film is a silicone material component.

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