Double-path oxygen supply pressure-bearing type auxiliary respiration regulating valve box for hyperbaric oxygen chamber

Abstract

The invention discloses a double-path oxygen supply pressure-bearing type auxiliary respiration regulating valve box for a hyperbaric oxygen chamber, and relates to the technical field of medical instruments, the double-path oxygen supply pressure-bearing type auxiliary respiration regulating valve box specifically comprises a cylindrical shell, diaphragm assemblies are clamped and nested in ports at two ends of the cylindrical shell, end covers are in threaded connection with the outsides of two sides of the cylindrical shell, and the diaphragm assemblies are covered and sealed by the end covers; an air outlet connector and two valve seats are installed at the top and the bottom of the cylindrical shell respectively, a valve pipe assembly is sleeved with one end of each valve seat, and a receding groove is formed in one end of each valve pipe assembly. Compared with the prior art, according to the double-way oxygen supply pressure-bearing type auxiliary respiration regulating valve box for the hyperbaric oxygen chamber, expiration regulating oxygen supply is achieved through linkage of the diaphragm assembly and the valve needle, single-way oxygen supply is changed into double-way oxygen supply, the oxygen supply flow is increased, and the oxygen supply efficiency is improved. The valve needle provided by the invention is provided with a spherical structure or a roller structure formed by two limiting discs and a roller performs low-friction transmission operation with a corresponding diaphragm assembly, so that the service life is longer, and the resistance is smaller.

Description

Technical Field

[0001] This invention relates to the field of medical devices, specifically to a dual-supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers. Background Technology

[0002] Hyperbaric oxygen chambers are medical devices used to treat diseases caused by hypoxia due to disorders of the human microcirculation system. They rely on high-pressure oxygen inhalation to increase the partial pressure of oxygen in cells and tissues to improve the hypoxic state of cells and tissues. There are two main types of oxygen inhalation: one is ordinary oxygen inhalation through a respiratory regulator, also known as secondary oxygen inhalation, and the other is primary oxygen inhalation without a respiratory regulator, also known as emergency oxygen inhalation.

[0003] The commonly used respiratory regulators consist of an upper cap, a lower cap, a valve needle, a spring, a valve seat, and a diaphragm. The working principle is that inhalation creates negative pressure in the sealed chamber formed by the lower cap and diaphragm, causing the diaphragm to deform and press down, triggering the valve needle. This relative displacement between the valve needle and valve seat opens the corresponding valve seat channel, allowing oxygen to flow out and assisting the patient in oxygen inhalation. During exhalation, when the negative pressure disappears, the valve needle returns to its original position under spring pressure, shutting off the oxygen supply. This allows the regulator to adapt to individual respiratory rate and volume through respiratory pressure.

[0004] However, commonly used respiratory regulators have a simple structure and a single channel. In actual use, they are prone to problems such as high resistance and low flow rate. Especially after a period of use, the valve needle and diaphragm wear out quickly, forming grooves that increase resistance. This leads to patients having difficulty breathing and insufficient oxygen intake, resulting in a feeling of suffocation. Therefore, in response to the problems of existing technology, the applicant wants to solve them by using a dual-supply pressure-bearing auxiliary respiratory regulator valve box for hyperbaric oxygen chambers. Summary of the Invention

[0005] This application proposes a dual-supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers, which solves the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this application adopts the following technical solution: a dual-supply pressure-bearing auxiliary breathing regulating valve box for a hyperbaric oxygen chamber, comprising a cylindrical shell, with diaphragm assemblies nested inside the ports at both ends of the cylindrical shell, and end caps threaded to both sides of the cylindrical shell, the end caps covering and sealing the diaphragm assemblies; an air outlet connector and two valve seats are respectively installed at the top and bottom of the cylindrical shell; a valve tube assembly is fitted inside one end of the valve seat, and a clearance groove is opened inside one end of the valve tube assembly; a valve needle and a conical spring are fitted inside the clearance groove, and the conical spring is fitted outside one end of the valve needle, so that the valve needle covers and seals the internal channel port of the valve tube assembly under the elastic traction of the conical spring; the other end of the valve needle passes through the valve seat and extends into the interior of the cylindrical shell;

[0007] The two diaphragm assemblies divide the internal space of the cylindrical housing into a pressure regulating space. The process of air compression within the pressure regulating space will cause the middle part of the diaphragm assembly to deform and press against the other end of the valve needle. Simultaneously, one end of the valve needle will be pressurized and make way for the opening of the internal channel port of the valve tube assembly.

[0008] Preferably, the inner walls of the ports at both ends of the cylindrical shell are provided with assembly slots, the diaphragm assembly has an overall upward convex dome shape, the diaphragm assembly includes a diaphragm body, and a metal sheet is fixed to the inner wall of one side of the diaphragm body. The diaphragm body is snapped into the inside of the assembly slot and can fit and limit the position of the corresponding port inner wall of the end cap.

[0009] Preferably, the end cap has several friction strips arranged circumferentially along its own structure on its surface, and several ventilation holes are provided inside the end cap.

[0010] Preferably, the valve tube assembly includes an externally threaded cylinder and an externally threaded connector. The clearance groove is formed inside one end of the externally threaded cylinder. The inner wall of one end of the valve seat is provided with an internal thread and is threadedly connected to one end of the externally threaded cylinder through the internal thread. One end of the externally threaded connector is snapped into the inside of the other end of the externally threaded cylinder. The surface of the other end of the externally threaded connector is respectively fitted with a sealing ring for filling and sealing the gap between the externally threaded connector and the externally threaded cylinder, and a constraint ring that fits and limits the end surface of the other end of the externally threaded cylinder. The top-pressure nut can be threadedly connected to the surface of the other end of the externally threaded cylinder while snapping into the externally threaded connector. An auxiliary ring that fits and limits the constraint ring is fixedly fitted inside one end of the top-pressure nut.

[0011] Preferably, the other ends of the two valve needles are spherical structures, and both valve needles are L-shaped structures with anti-interference clearance gaps.

[0012] Preferably, each of the other ends of the two valve needles is provided with a combination groove, and a limiting plate is provided on the outside of the combination groove, which is in a relative position and fixed on the surface of the other end of the valve needle. A roller is installed between the two limiting plates by a pin hinge.

[0013] Preferably, the two ends of the conical spring are fixed to the inner wall of the valve seat and the surface of one end of the valve needle, respectively. The end of the valve needle is provided with a semi-open groove, and a guide rod fixed to the inner wall of the relief groove is engaged inside the semi-open groove.

[0014] Preferably, the middle portions of the two end caps are respectively fitted with a transition cylinder and an auxiliary sensor. The auxiliary sensor is specifically a Hall effect distance sensor, and the auxiliary sensor using the Hall effect distance sensor can measure the deformation of the middle structure of the diaphragm assembly in real time and convert it into an electrical signal, which is then displayed on the external display screen via a lead wire.

[0015] Preferably, the transition cylinder is internally fitted with a linkage adjustment structure, which includes a key torque handle. The top of the key torque handle has a connecting groove, and a pressure adjustment handle is hinged inside the connecting groove via a pin. A torsion spring is installed between the end of the pin and the corresponding side surface of the key torque handle. A guide cylinder is installed between the transition cylinder and the key torque handle, and an elastic steel cable is engaged inside the guide cylinder. One end of the elastic steel cable is fixed with a transmission ball that is movably sleeved inside the pressure adjustment handle, and the other end of the elastic steel cable passes through the transition cylinder and the end cap and can adjust the pressure of the middle part of the corresponding diaphragm assembly.

[0016] Preferably, the surface of the transmission ball is movably connected to the inner wall of the pressure regulating handle, and a plurality of constraint rods are arranged on the surface of the transmission ball. One end of each constraint rod penetrates the top structure of the key torque handle and extends to the top outer side of the key torque handle. The end of the constraint rod and the end of the elastic steel cable fitted inside the end cap are both set as T-shaped structures. The corner structures of the pressure regulating handle and the corner structures of the key torque handle are both set as rounded corner joints, and the rear end surface of the key torque handle is provided with an arc groove.

[0017] The present invention has the following beneficial effects: 1. The dual-channel oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers provided by the present invention, compared with the prior art, realizes expiratory oxygen regulation through the linkage of diaphragm assembly and valve needle, and changes from single-channel oxygen supply to dual-channel oxygen supply, thereby increasing the oxygen supply flow rate.

[0018] 2. The valve needle of the present invention has a spherical structure or a roller structure formed by two limiting discs and rollers, which performs low-friction transmission operation with the corresponding diaphragm assembly, resulting in a longer service life and lower resistance.

[0019] 3. The dual-supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers provided by this invention, compared with the prior art, utilizes the oxygen supply pressure plus spring pressure to maintain a static seal. The inhalation resistance is the spring pressure plus the oxygen supply pressure. The breathing inhalation force needs to overcome or be greater than the spring pressure plus the oxygen supply pressure to cause the valve needle to press down and displace the valve seat in order to inhale oxygen. The pressure-bearing auxiliary breathing regulating valve box uses a spring pressure slightly greater than the oxygen supply pressure to maintain a static seal. During inhalation, as long as the pressure difference between the spring pressure and the oxygen supply pressure is overcome or slightly greater than the pressure difference, the valve needle will press down and displace the valve seat. When the displacement oxygen channel opens, the oxygen inhalation resistance is the spring pressure minus the oxygen supply pressure. Assuming the spring pressure of a normal breathing regulator is 1 and the oxygen supply pressure is 5, the normal inhalation resistance is 1 + 5 = 6. If the spring pressure of the pressure-assisted breathing regulator valve box is adjusted to 6, while the oxygen supply pressure remains unchanged at 5, the oxygen inhalation resistance is 6 - 5 = 1 (the reason for adjusting the spring pressure slightly higher than the oxygen supply pressure is to maintain static sealing). This changes the current usage mode where the inhalation resistance is the sum of the spring pressure and the oxygen supply pressure to the oxygen inhalation resistance being the difference between the spring pressure and the oxygen supply pressure, making it easier and more flexible to use.

[0020] 4. The dual-supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers provided by this invention can realize the mutual conversion between ordinary oxygen inhalation and first-level oxygen inhalation to adapt to different groups of people.

[0021] 5. The auxiliary sensor set in this invention, in conjunction with existing display devices, allows for intuitive observation of the oxygen inhalation status, thereby ensuring continuous and effective oxygen inhalation for patients.

[0022] 6. The linkage adjustment structure set up in this invention can actively adjust the oxygen supply to patients with weak breathing through manual intervention, further expanding the scope of use of the overall device and optimizing its performance. Attached Figure Description

[0023] Figure 1 This is a cross-sectional schematic diagram of the structure of the present invention; Figure 2 This is a three-dimensional schematic diagram of the structure of the present invention; Figure 3 This is a front view schematic diagram of the structure of the present invention; Figure 4 This is a rear view schematic diagram of the structure of the present invention; Figure 5 This is a left-side view of the structure of the present invention; Figure 6 This is a right-side view of the structure of the present invention; Figure 7 This is a cross-sectional schematic diagram of the valve seat in the structure of the present invention; Figure 8 This is a three-dimensional schematic diagram of the diaphragm assembly in the structure of the present invention; Figure 9 This is a three-dimensional schematic diagram of the end cap in the structure of the present invention; Figure 10 In the structure of this invention Figure 7 Enlarged view of point A in the middle; Figure 11 This is an enlarged schematic diagram of the roller in the structure of the present invention; Figure 12 This is an enlarged schematic diagram of the key torque handle in the structure of the present invention; Figure 13 This is a cross-sectional schematic diagram of the valve tube assembly in the structure of the present invention.

[0024] In the diagram: 1. Cylindrical shell; 2. End cap; 3. Air outlet connector; 4. Diaphragm assembly; 41. Diaphragm body; 42. Metal sheet; 5. Valve seat; 6. Valve pipe assembly; 61. External threaded cylinder; 62. External threaded connector; 63. Sealing ring; 64. Top pressure nut; 65. Constraint ring; 7. Guide rod; 8. Valve needle; 9. Conical spring; 10. Auxiliary sensor; 11. Transition cylinder; 12. Key torque handle; 13. Pressure adjusting handle; 14. Torsion spring; 15. Transmission ball; 16. Guide cylinder; 17. Elastic steel cable; 18. Constraint rod; 19. Limiting plate; 20. Roller. Detailed Implementation

[0025] The technical solution of the present invention will be clearly and completely described below with reference to preferred embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] like Figures 1-10 , Figure 13 A dual-supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chamber includes a cylindrical shell 1, with a diaphragm assembly 4 nested inside the ports at both ends of the cylindrical shell 1, and end caps 2 threadedly connected to both sides of the cylindrical shell 1, the end caps 2 covering and sealing the diaphragm assembly 4. Assembly slots are provided on the inner walls of the ports at both ends of the cylindrical shell 1. The diaphragm assembly 4 has an overall upward dome shape, which provides room for subsequent structural deformation. The diaphragm assembly 4 includes a diaphragm body 41, and a metal sheet 42 is fixed on the inner wall of one side of the diaphragm body 41. The diaphragm body 41 is snapped into the inside of the assembly slot and can fit and limit the corresponding inner wall of the port of the end cap 2, thereby ensuring the sealing effect after the diaphragm assembly 4 is connected to the cylindrical shell 1. The top and bottom of the cylindrical housing 1 are respectively equipped with an air outlet connector 3 and two valve seats 5. A valve tube assembly 6 is installed inside one end of the valve seat 5, and a clearance groove is opened inside one end of the valve tube assembly 6. A valve needle 8 and a conical spring 9 are installed inside the clearance groove. The conical spring 9 is installed on the outside of one end of the valve needle 8 and makes the valve needle 8 cover and seal the internal channel port of the valve tube assembly 6 under the elastic traction of the conical spring 9. The other end of the valve needle 8 passes through the valve seat 5 and extends into the interior of the cylindrical housing 1. The valve tube assembly 6 includes an external threaded cylinder 61 and an external threaded connector 62. A clearance groove is formed inside one end of the external threaded cylinder 61. The inner wall of one end of the valve seat 5 is provided with an internal thread and is threaded to one end of the external threaded cylinder 61 through the internal thread. One end of the external threaded connector 62 is snapped into the inside of the other end of the external threaded cylinder 61. The surface of the other end of the external threaded connector 62 is respectively fitted with a sealing ring 63 to fill and seal the gap between the external threaded connector 62 and the external threaded cylinder 61 and a constraint ring 65 to fit and limit the end surface of the other end of the external threaded cylinder 61. The top pressure nut 64 can be snapped into the external threaded connector 62 and threadedly connected to the surface of the other end of the external threaded cylinder 61 at the same time. An auxiliary ring that can fit and limit the constraint ring 65 is fixedly sleeved inside one end of the top pressure nut 64. Two diaphragm assemblies 4 divide the internal space of the cylindrical housing 1 into a pressure regulating space. The process of air compression in the pressure regulating space will cause the middle part of the diaphragm assembly 4 to deform and press against the other end of the valve needle 8. At the same time, one end of the valve needle 8 is pressurized and makes way for the opening of the internal channel port of the valve tube assembly 6.

[0027] In use, connect the two valve tube assemblies 6 to the corresponding oxygen compressed air source, and connect the transition cylinder 11 to the corresponding oxygen inhalation tube. During use, when the patient inhales naturally, the air in the pressure regulating space formed by the two diaphragm components 4 and the cylindrical shell 1 will be drawn in, which will cause negative pressure to be generated inside the pressure regulating space. At the same time, the metal sheet 42 inside each of the two diaphragm components 4 and the middle structure of the diaphragm body 41 will undergo similar deformation and movement. During the movement, the two metal sheets 42 will press on their respective corresponding valve needles 8. When the two valve needles 8 are compressed, they will cause their respective connected conical springs 9 to shift and make room, thereby releasing the closure of the channel ports inside the two valve tube assemblies 6. Subsequently, oxygen enters the interior of the cylindrical housing 1 through the gap between the valve needles 8 and the valve tube assembly 6 and the valve seat 5, and is then inhaled by the patient through the outlet connector 3, achieving the effect of dual-channel oxygen supply. Next, after the patient exhales, the exhaled air is replenished into the pressure regulating space, relieving the negative pressure state in the pressure regulating space. At the same time, the two diaphragm assemblies 4 are reset, and the two valve needles 8 will also be automatically reset under the elastic traction of their respective connected conical springs 9, re-sealing the channel ports inside the two valve tube assemblies 6.

[0028] Subsequently, depending on the oxygen supply pressure, rotating the valve tube assembly 6 changes the depth of the threaded connection between the valve tube assembly 6 and the valve seat 5, which in turn changes the static seal between the assembly formed by the valve needle 8 and the conical spring 9 and the cylindrical housing 1, allowing for opening with the lowest suction force to achieve the best effect of effortless oxygen inhalation.

[0029] like Figures 2-4 Several friction strips are arranged along the circumference of the end cap 2 to increase the friction of the end cap 2 surface. Several vent holes are opened inside the end cap 2 so that the diaphragm assembly 4 can be smoothly subjected to the atmospheric pressure of the operating environment while the air pressure changes inside the air pressure regulation space.

[0030] During use, in the initial assembly stage or during subsequent disassembly and maintenance, when the end cover 2 is turned, the several friction strips on the surface of the end cover 2 can fully enhance the friction between the end cover 2 and the operator's fingers, ensuring the flexibility and convenience of reciprocating installation and disassembly of the end cover 2.

[0031] like Figure 1 The other ends of the two valve needles 8 are designed with a spherical structure, which allows the valve needle 8 to smoothly accept the pressure of the metal plate 42 while reducing the friction between the valve needle 8 and the metal plate 42. This extends the service life of the valve needle 8 and the metal plate 42. In addition, both valve needles 8 are designed with an L-shaped structure and have an anti-interference clearance to avoid structural interference during the synchronous transmission operation of the two valve needles 8.

[0032] During use, during the displacement and pressing process of the metal plate 42, the metal plate 42 will directly press the spherical end of the corresponding valve needle 8, which can reduce the friction between the two structures while ensuring the transmission effect, reduce the friction loss rate, and extend the service life of the valve needle 8 and the metal plate 42. In addition, during the pressing process of the two valve needles 8 by their respective corresponding metal plates 42, the two valve needles 8 are preset with an anti-interference clearance gap, so they will not come into contact and interfere with each other.

[0033] like Figures 2-4 , Figure 11 The other ends of the two valve needles 8 are provided with combination grooves, and the outer side of the combination grooves are provided with limiting plates 19 which are in relative positions and fixed to the surface of the other end of the valve needles 8. The two limiting plates 19 are connected by a pin and a roller 20 is installed.

[0034] During use, considering that the contact between the spherical end of the valve needle 8 and the metal plate 42 is still a hard pressure contact, in order to further reduce the wear rate of the valve needle 8 and the metal plate 42 during use, a limiting plate 19 and a roller 20 are used as transition conditions for the contact transmission between the valve needle 8 and the metal plate 42. During the transmission of the valve needle 8 by the metal plate 42, the roller 20, supported by the limiting plate 19, receives the pressure transmission of the metal plate 42 in a rolling manner, which satisfies the transmission requirements while further reducing the friction during the contact process with the metal plate 42, further extending the service life of the metal plate 42 and reducing the cost of use.

[0035] like Figure 7 The two ends of the conical spring 9 are fixed to the inner wall of the valve seat 5 and the surface of one end of the valve needle 8, respectively. A semi-open groove is provided at one end of the valve needle 8, and a guide rod 7 fixed to the inner wall of the relief groove is engaged inside the semi-open groove.

[0036] In use, to further facilitate the assembly between the valve needle 8 and the valve tube assembly 6, a guide rod 7 is provided as a guide and support condition. During the process of fitting one end of the valve needle 8 into the valve tube assembly 6, the guide rod 7 engages with the semi-open groove inside the valve needle 8 to limit and further guide the valve needle 8 to move inside the valve tube assembly 6, thereby improving assembly efficiency.

[0037] like Figure 1 The middle parts of the two end caps 2 are respectively fitted with a transition cylinder 11 and an auxiliary sensor 10. The auxiliary sensor 10 is specifically a laser rangefinder, and the auxiliary sensor 10 with the laser rangefinder can measure the deformation of the middle structure of the diaphragm assembly 4 in real time.

[0038] During use, considering the monitoring requirements of the device, the auxiliary sensor 10 is set as a laser rangefinder to continuously and in real time measure the deformation distance of the metal sheet 42. Under normal circumstances, the deformation of the diaphragm assembly 4 will remain within a relatively stable range. However, if the data value output by the auxiliary sensor 10 fluctuates significantly during use, it indicates that there is an abnormality in the use of the device, and it needs to be repaired in time.

[0039] like Figures 1-12The transition cylinder 11 is internally fitted with a linkage adjustment structure, which includes a key torque handle 12. The top of the key torque handle 12 is provided with a connecting groove, and a pressure adjustment handle 13 is installed inside the connecting groove by a pin hinge. A torsion spring 14 is installed between the pin end and the corresponding side structure surface of the key torque handle 12. A guide cylinder 16 is installed between the transition cylinder 11 and the key torque handle 12, and an elastic steel cable 17 is snapped into the inside of the guide cylinder 16. The two ends of the elastic steel cable 17 are respectively fixed with a transmission ball 15 that is movably sleeved inside the pressure adjustment handle 13 and a penetrating the transition cylinder 11 and the end cap 2, which can adjust the pressure of the middle part of the corresponding diaphragm assembly 4. The surface of the transmission ball 15 is movably connected to the inner wall of the pressure regulating handle 13, and several constraint rods 18 are arranged on the surface of the transmission ball 15. One end of the constraint rod 18 passes through the top structure of the key torque handle 12 and extends to the outer side of the top of the key torque handle 12. Thus, the stability of the transmission ball 15 under pressure is ensured by the interlocking and guiding of multiple constraint rods 18 and the pressure regulating handle 13. The end of the constraint rod 18 and the end of the elastic steel cable 17 fitted inside the end cap 2 are both set as T-shaped structures, thereby enabling the constraint rod 18 and the pressure regulating handle 13 to have an anti-detachment effect and increasing the pressure-bearing area of ​​the elastic steel cable 17 on the middle of the corresponding diaphragm body 41. The corner structures of the pressure regulating handle 13 and the corner structures of the key torque handle 12 are both set as rounded joints, and the rear end surface of the key torque handle 12 is provided with an arc groove.

[0040] When using the device, considering the issue of insufficient respiratory strength in physically weak patients, the accompanying personnel should actively intervene in the overall condition of the device. The specific operation is as follows: Holding the key torque handle 12, the fingers periodically press the pressure regulating handle 13 in accordance with the patient's breathing frequency. The pressure regulating handle 13, supported by the key torque handle 12 and yielded by the elastic deformation of the torsion spring 14, rotates along the corresponding pin axis. Simultaneously, the central structure at the rear end of the pressure regulating handle 13 pushes forward against the transmission ball 15, causing the transmission ball 15 to move upward and drive the guide cylinder 16 to move synchronously. The end of the guide cylinder 16 furthest from the key torque handle 12 passes through the transition cylinder 11 and the end cap 2, and... The diaphragm body 41 is pressed down in the middle, which causes the metal sheet 42 to be forcibly deformed and displaced. The metal sheet 42 will press against its corresponding valve needle 8. After being pressed, the valve needle 8 will cause the connected conical spring 9 to shift and make way, releasing the blockage of the channel port inside the corresponding valve tube assembly 6. Then, oxygen enters the interior of the cylindrical shell 1 through the gap between the valve needle 8 and the valve tube assembly 6 and the valve seat 5, and is then inhaled by the patient through the gas outlet connector 3, ultimately achieving the effect of oxygen supply under artificial intervention.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention. The invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A double-path oxygen supply pressure-bearing type auxiliary breathing regulating valve box for a hyperbaric oxygen chamber, comprising a cylindrical shell (1), characterized in that: The both ends of the cylindrical shell (1) are clamped and nested with the diaphragm assembly (4), and the both sides of the cylindrical shell (1) are threadedly connected with the end cover (2), the end cover (2) covers and seals the diaphragm assembly (4), the top and bottom of the cylindrical shell (1) are respectively provided with the gas outlet joint (3) and two valve seats (5), one end of the valve seat (5) is sleeved with the valve pipe assembly (6), and a clearance slot is formed in one end of the valve pipe assembly (6), the clearance slot is sleeved with the valve needle (8) and the conical spring (9), the conical spring (9) is sleeved on one end of the valve needle (8) and makes the valve needle (8) cover and seal the internal passage port of the valve pipe assembly (6) under the elastic traction of the conical spring (9), the other end of the valve needle (8) penetrates through the valve seat (5) and extends into the inside of the cylindrical shell (1). The two diaphragm assemblies (4) divide the inside space of the cylindrical shell (1) into the air pressure adjusting space, when the inside air pressure of the air pressure adjusting space is reduced, the middle part of the diaphragm assembly (4) is deformed to press the end of the other end of the valve needle (8), and one end of the valve needle (8) is synchronously pressed to open the internal passage port of the valve pipe assembly (6).

2. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 1, characterized in that: The inner wall of the both ends of the cylindrical shell (1) is provided with an assembly notch, the diaphragm assembly (4) has an overall convex dome top shape, the diaphragm assembly (4) comprises a diaphragm body (41), and the inner wall of one side of the diaphragm body (41) is fixedly provided with a metal sheet (42), the diaphragm body (41) is clamped and assembled in the assembly notch and can be limited by the inner wall of the corresponding port of the end cover (2).

3. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 1, characterized in that: The surface of the end cover (2) is circumferentially arranged with a plurality of friction strips, and the inside of the end cover (2) is provided with a plurality of air holes.

4. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 1, characterized in that: The valve pipe assembly (6) comprises an external thread cylinder (61) and an external thread joint (62), the clearance slot is formed in the inside of one end of the external thread cylinder (61), one end of the valve seat (5) is threadedly connected with one end of the external thread cylinder (61), one end of the external thread joint (62) is clamped in the inside of the other end of the external thread cylinder (61), the surface of the other end of the external thread joint (62) is respectively sleeved with a sealing ring (63) for filling and sealing the gap between the external thread joint (62) and the external thread cylinder (61), and a restraint ring (65) for limiting the surface of the end of the other end of the external thread cylinder (61), the pressing nut (64) can be clamped with the external thread joint (62) at the same time and threadedly connected with the surface of the other end of the external thread cylinder (61), and the inside of one end of the pressing nut (64) is fixedly sleeved with an auxiliary ring capable of being limited with the restraint ring (65).

5. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 1, characterized in that: The end of the other end of the two valve needles (8) is provided with a spherical structure, and the two valve needles (8) are provided with L-shaped structures and have anti-interference clearance gaps.

6. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 1, characterized in that: The end of the other end of the two valve needles (8) is provided with a combination slot, and the outer side of the combination slot is provided with a limiting disc (19) in a relative position and fixed on the surface of the end of the other end of the valve needle (8), and the two limiting discs (19) are hingedly installed with a roller (20) through a pin shaft.

7. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 1, characterized in that: The two ends of the conical spring (9) are fixed on the inner wall of the valve seat (5) and the surface of one end of the valve needle (8), the end of the valve needle (8) is provided with a semi-open slot, and the semi-open slot is connected with a guide rod (7) fixed on the inner wall of the slot.

8. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 1, characterized in that: The middle part of the two end covers (2) is respectively sleeved with a transition cylinder (11) and an auxiliary sensor (10), and the auxiliary sensor (10) can measure the deformation of the middle part of the diaphragm assembly (4) in real time.

9. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for a hyperbaric oxygen chamber according to claim 8, characterized in that: The inside of the transition cylinder (11) is sleeved with a linkage adjusting structure, the linkage adjusting structure includes a lock key torque handle (12), the top of the lock key torque handle (12) is provided with a connecting groove, and the inside of the connecting groove is hingedly connected with a pressure regulating handle (13) through a pin shaft, the end of the pin shaft and the surface of the corresponding side structure of the lock key torque handle (12) are provided with a torsional spring (14), the transition cylinder (11) and the lock key torque handle (12) are provided with a guide cylinder (16), and the inside of the guide cylinder (16) is connected with an elastic steel cable (17), one end of the elastic steel cable (17) is fixed with a transmission ball (15) movably sleeved in the pressure regulating handle (13), the other end of the elastic steel cable (17) penetrates through the transition cylinder (11) and the end cover (2) and can press and adjust the middle part of the corresponding diaphragm assembly (4).

10. The double-path oxygen supply pressure-bearing auxiliary breathing regulating valve box for hyperbaric oxygen chambers according to claim 9, characterized in that: The surface of the transmission ball (15) is movably connected with the inner wall of the pressure regulating handle (13), and the surface of the transmission ball (15) is arranged with a plurality of constraint rods (18), one end of the constraint rod (18) penetrates through the top structure of the lock key torque handle (12) and extends to the outside of the top of the lock key torque handle (12), the end of the constraint rod (18) and the end of the elastic steel cable (17) sleeved in the end cover (2) are provided with T-shaped structure, the corner structure of the pressure regulating handle (13) and the corner structure of the lock key torque handle (12) are provided with a round corner joint, and the rear end surface of the lock key torque handle (12) is provided with an arc groove.

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