A breathing chamber assembly for a positive pressure oxygen respirator

Abstract

This utility model relates to the field of positive pressure oxygen respirator technology, specifically to a breathing chamber assembly of a positive pressure oxygen respirator, including a chamber body, a cleaning tank inside the chamber body, a chamber cover on the top of the chamber body, and a mounting base at the bottom of the chamber body. The mounting base has a mounting hole, and the cleaning tank is connected to the mounting base through the mounting hole. The chamber cover includes a first cover and a second cover, with the first cover detachably connected to the second cover. The bottom of the second cover has a protrusion, and the bottom of the protrusion has a groove. The top of the second cover has a cooling chamber located outside the groove. This utility model optimizes the internal structural design of the breathing chamber, making the replacement of the medium in the cooling chamber more flexible and convenient, thus improving the comfort and usability of the respirator during use.

Description

Technical Field

[0001] This utility model relates to the field of positive pressure oxygen respirator technology, specifically to a breathing chamber assembly of a positive pressure oxygen respirator. Background Technology

[0002] Positive pressure oxygen respirators are personal protective equipment widely used in hazardous environments such as mine rescue, firefighting, and chemical plants. They provide safe breathing for users in oxygen-deficient or hazardous gas environments. The breathing chamber, as one of the core components of a positive pressure oxygen respirator, is directly related to the respirator's performance, comfort, and safety due to its rational structural design.

[0003] Traditional positive pressure oxygen respirators typically employ a one-piece design for the breathing chamber, integrating the cooling chamber and gas passage. This makes replacing the cooling medium inconvenient and can easily affect the stability of gas flow. Furthermore, existing breathing chambers often lack sufficient sealing performance, leading to gas leakage and reducing the respirator's reliability and lifespan. While some improvements have been made in existing technologies to address these issues, shortcomings remain, including an unreasonable layout of the cooling chamber and gas passage, imperfect sealing structure design, and inconvenient disassembly and maintenance. Utility Model Content

[0004] To address the aforementioned issues, this invention proposes a breathing chamber assembly for a positive pressure oxygen respirator. The internal structural design of the breathing chamber is optimized, making the replacement of the medium in the cooling chamber more flexible and convenient, thereby improving the comfort and applicability of the respirator during use.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: a breathing chamber assembly of a positive pressure oxygen respirator, comprising a chamber body, a cleaning tank inside the chamber body, a chamber cover on the top of the chamber body, a mounting base at the bottom of the chamber body, a mounting hole on the mounting base, the cleaning tank being connected to the mounting base through the mounting hole, the chamber cover comprising a first cover and a second cover, the first cover being detachably connected to the second cover, the bottom of the second cover having a protrusion, the bottom of the protrusion having a groove, and the top of the second cover having a cooling chamber located outside the groove.

[0006] Furthermore: the bottom of the mounting base is provided with an annular support, and the inner wall of the mounting hole is provided with a first sealing ring.

[0007] Furthermore: a second sealing ring is provided on the top of the compartment, and a third sealing ring is provided on the second cover.

[0008] Furthermore, the top of the first cover is provided with a slot to facilitate the disassembly of the first cover.

[0009] Furthermore, the second cover is connected to the chamber body by bolts.

[0010] Furthermore, the cooling chamber is annular in shape, and the bottom of the cooling chamber is inclined.

[0011] Furthermore, a reinforcing rod is provided at the connection between the mounting base and the chamber body.

[0012] Furthermore: a gas channel is formed between the chamber body, the chamber cover, and the purification tank; the bottom of the purification tank is provided with a first interface, and the chamber body is provided with a second interface.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model optimizes the structural design of the breathing chamber, making the cooling chamber and gas channel independently separate, making the replacement of the medium in the cooling chamber more flexible and convenient, and improving the comfort of the respirator during use. 2. The design of the annular cooling chamber in this utility model facilitates the insertion of various cooling media and improves the applicability of the overall structure. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the breathing chamber assembly of the positive pressure oxygen respirator of this utility model; Figure 2 This is a cross-sectional view of the breathing chamber assembly of the positive pressure oxygen respirator of this utility model; Figure 3 This is a schematic diagram of the chamber structure of the breathing chamber assembly of the positive pressure oxygen respirator of this utility model; Figure 4 This is a partial cross-sectional view of the breathing chamber cover of the positive pressure oxygen respirator assembly of this utility model. Figure 5 This is an exploded view of the chamber cover component of the breathing chamber assembly of the positive pressure oxygen respirator of this utility model; In the diagram: 1. Chamber body; 2. Cleaning tank; 3. Chamber cover; 4. Mounting base; 5. Mounting hole; 6. First cover; 7. Second cover; 8. Groove; 9. Cooling chamber; 10. Annular support; 11. First sealing ring; 12. Second sealing ring; 13. Third sealing ring; 14. Slot; 15. Bolt; 16. Reinforcing rod; 17. Gas passage; 18. First interface; 19. Second interface; 20. Protrusion. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] refer to Figures 1 to 5 A breathing chamber assembly for a positive pressure oxygen respirator includes a chamber body 1, a cleaning canister 2 inside the chamber body 1, a chamber cover 3 on the top of the chamber body 1, and a mounting base 4 at the bottom of the chamber body 1. The mounting base 4 has a mounting hole 5. The cleaning canister 2 is connected to the mounting base 4 through the mounting hole 5. The chamber cover 3 includes a first cover 6 and a second cover 7. The first cover 6 is detachably connected to the second cover 7. The bottom of the second cover 7 has a protrusion 20, and the bottom of the protrusion 20 has a groove 8. The top of the second cover 7 has a cooling chamber 9, which is located outside the groove 8.

[0017] The bottom of the mounting base 4 is provided with an annular support 10, and the inner wall of the mounting hole 5 is provided with a first sealing ring 11.

[0018] The top of the compartment 1 is provided with a second sealing ring 12, and the second cover 7 is provided with a third sealing ring 13.

[0019] The top of the first cover 6 is provided with a slot 14 to facilitate the disassembly of the first cover 6.

[0020] The second cover 7 is connected to the hopper 1 by bolts 15.

[0021] The cooling chamber 9 is annular in shape, and the bottom of the cooling chamber 9 is inclined.

[0022] A reinforcing rod 16 is provided at the connection between the mounting base 4 and the chamber body 1.

[0023] A gas passage 17 is formed between the chamber body 1, the chamber cover 3, and the purification tank 2. The bottom of the purification tank 2 is provided with a first interface 18, and the chamber body 1 is provided with a second interface 19.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A breathing chamber assembly for a positive pressure oxygen respirator, comprising a chamber body (1), wherein a cleaning tank (2) is disposed inside the chamber body (1), and a chamber cover (3) is disposed on the top of the chamber body (1), characterized in that: The bottom of the chamber (1) is provided with a mounting base (4), and the mounting base (4) is provided with a mounting hole (5). The cleaning tank (2) is connected to the mounting base (4) through the mounting hole (5). The chamber cover (3) includes a first cover (6) and a second cover (7). The first cover (6) is detachably connected to the second cover (7). The bottom of the second cover (7) is provided with a protrusion (20), and the bottom of the protrusion (20) is provided with a groove (8). The top of the second cover (7) is provided with a cooling chamber (9), and the cooling chamber (9) is located outside the groove (8).

2. The breathing chamber assembly of the positive pressure oxygen respirator according to claim 1, characterized in that: The bottom of the mounting base (4) is provided with an annular support (10), and the inner wall of the mounting hole (5) is provided with a first sealing ring (11).

3. The breathing chamber assembly of the positive pressure oxygen respirator according to claim 2, characterized in that: The top of the compartment (1) is provided with a second sealing ring (12), and the second cover (7) is provided with a third sealing ring (13).

4. The breathing chamber assembly of the positive pressure oxygen respirator according to claim 3, characterized in that: The first cover (6) has a slot (14) at the top to facilitate the disassembly of the first cover (6).

5. The breathing chamber assembly of the positive pressure oxygen respirator according to claim 4, characterized in that: The second cover (7) is connected to the hopper (1) by bolts (15).

6. The breathing chamber assembly of the positive pressure oxygen respirator according to claim 5, characterized in that: The cooling chamber (9) is annular in shape, and the bottom of the cooling chamber (9) is inclined.

7. The breathing chamber assembly of the positive pressure oxygen respirator according to claim 6, characterized in that: A reinforcing rod (16) is provided at the connection between the mounting base (4) and the chamber body (1).

8. The breathing chamber assembly of the positive pressure oxygen respirator according to claim 7, characterized in that: A gas passage (17) is formed between the chamber body (1), the chamber cover (3), and the cleaning tank (2). The bottom of the cleaning tank (2) is provided with a first interface (18), and the chamber body (1) is provided with a second interface (19).

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