Pressure-adjustable connector based on YOKE gas cylinder

Abstract

The utility model relates to diving equipment, in particular to a pressure-adjustable connector based on a YOKE gas cylinder, which comprises a ring-shaped body, the inner diameter of the ring-shaped body is larger than the outer diameter of a YOKE gas cylinder valve, one side of the ring-shaped body is in threaded connection with a pressing screw rod, and a butt joint opening protruding towards the inside of a ring of the ring-shaped body is fixedly arranged on the side, opposite to the pressing screw rod, of the ring-shaped body. The butt joint opening is communicated with an air inlet of a pressure regulating valve, and an air outlet of the pressure regulating valve is connected with a diving breathing device. The pressure regulating valve is arranged, so that a diver can regulate the air supply pressure in real time according to actual requirements during diving operation at different depths, the problems of insufficient air supply during deep water operation and air waste and air pressure impact during shallow water operation are solved, and the safety and comfort of diving operation are greatly improved.

Description

Technical Field

[0001] This utility model relates to diving equipment, specifically to an adjustable pressure connector based on a YOKE gas cylinder. Background Technology

[0002] In the field of diving equipment, the YOKE cylinder connector is a widely used cylinder connection structure. It uses metal clamps and hand-tightened screws to secure the first stage connector to the cylinder valve, and an O-ring is used to achieve a seal. This connector is known for its ease of operation and strong compatibility, and is considered an "international standard connector," widely used in diving operations in Southeast Asia and Australia. However, existing diving equipment connectors based on the YOKE cylinder connector generally suffer from limited functionality, particularly lacking a pressure regulation mechanism.

[0003] Traditional YOKE-type diving connectors typically function only as gas transmission channels, with output pressure entirely dependent on the initial pressure of the gas in the cylinder, making adjustment impossible based on actual usage needs. This deficiency leads to several adverse effects in practical applications: in deep-water diving, increased water pressure may prevent a fixed-pressure gas supply from meeting the diver's breathing requirements, resulting in insufficient gas supply and even threatening their lives; while in shallow-water operations, excessively high output pressure not only wastes gas but can also damage the diver's respiratory system due to pressure shock. Furthermore, when the gas level in the cylinder decreases, causing a pressure drop, the connector, lacking pressure regulation, cannot compensate for the pressure loss, resulting in fluctuating supply pressure and affecting the stability and safety of diving operations. Therefore, developing a device compatible with YOKE cylinder interfaces and equipped with pressure regulation functionality is an urgent practical need to improve the flexibility and safety of diving operations. Utility Model Content

[0004] To address the limitations of existing diving connectors based on YOKE gas cylinder interfaces, which suffer from non-adjustable pressure and restricted application, an innovative structure is urgently needed to achieve flexible control of the gas supply pressure. This invention proposes an adjustable pressure connector based on a YOKE gas cylinder. Through optimized structural design, it retains the compatibility advantages of the YOKE interface while providing pressure regulation functionality, offering a safer and more efficient solution for diving operations.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An adjustable pressure connector based on a YOKE gas cylinder includes a ring-shaped body with an inner diameter larger than the outer diameter of the YOKE gas cylinder valve. A clamping screw is screwed to one side of the ring-shaped body. A mating interface protruding into the ring is fixedly provided on the ring-shaped body on the opposite side of the clamping screw. Unlike the prior art, the mating interface is connected to the air inlet of a pressure regulating valve, and the air outlet of the pressure regulating valve is connected to a diving breathing apparatus.

[0007] Furthermore, the pressure regulating valve includes an upper valve body and a lower valve body fixedly connected thereto. The upper valve body and the lower valve body are separated by a diaphragm. A valve seat is provided in the lower valve body. A valve sealing gasket is slidably fitted below the valve seat. The upper end surface of the valve sealing gasket can abut against or not abut against the valve seat to control the size of the connection between the air inlet and the air outlet. The lower part of the valve sealing gasket is supported by a valve sealing spring. A valve push rod is fixedly connected to the center of the upper part of the valve sealing gasket. The upper end of the valve push rod abuts against the lower surface of the diaphragm. A pressure plate that can move up and down is provided at the lower end of the upper valve body, and an output pressure regulating screw is screwed to the upper end. A pressure regulating spring is provided between the lower end of the output pressure regulating screw and the upper end of the pressure plate.

[0008] Furthermore, a safety valve is installed on the lower valve body on the intake side.

[0009] Furthermore, a rotating handle is inserted through the upper end of the output pressure regulating screw.

[0010] Furthermore, the valve sealing spring is a cylindrical helical compression spring, and its elastic coefficient is selected according to the design pressure range of the pressure regulating valve to ensure that the valve sealing gasket can seal and open the valve seat under appropriate pressure.

[0011] Furthermore, a high-pressure gauge is installed on the air inlet, and a low-pressure gauge is installed on the air outlet.

[0012] Furthermore, the air outlet is one or two.

[0013] Furthermore, a rotating handle is fixedly connected to the outer end of the clamping screw.

[0014] Furthermore, a sealing ring is embedded in the end face of the interface.

[0015] Furthermore, the ring-shaped body is equipped with a plug, which seals the interface and is pressed against the inner end of the clamping screw when the adjustable pressure connector is not connected to the gas cylinder.

[0016] Compared with the prior art, this utility model has the following beneficial technical effects:

[0017] 1. Flexible pressure adjustment

[0018] This adjustable pressure connector features a pressure regulating valve. By rotating the output pressure regulating screw, the compression of the pressure regulating spring can be changed, thereby controlling the contact state between the valve sealing gasket and the valve seat. This precisely adjusts the connection between the air inlet and outlet, enabling flexible adjustment of the output pressure. This allows divers to adjust the air supply pressure in real time according to actual needs during diving operations at different depths, avoiding insufficient air supply in deep water operations and gas waste and pressure shock problems in shallow water operations, greatly improving the safety and comfort of diving operations.

[0019] 2. Enhanced safety performance

[0020] A safety valve is installed on the lower valve body on the air intake side. When the air intake pressure exceeds the set safety threshold, the safety valve will automatically open to release pressure, preventing damage to the pressure regulating valve and diving breathing device due to excessive pressure, effectively protecting the life safety of divers and the normal operation of equipment.

[0021] The air inlet and outlet are equipped with high-pressure gauges and low-pressure gauges, respectively, allowing divers to monitor the inlet and outlet pressures in real time and understand the changes in gas pressure and supply pressure inside the cylinder. This enables them to take preventative measures in advance and further enhances the safety of diving operations.

[0022] 3. High ease of operation

[0023] A rotating handle is attached to the upper end of the output pressure regulating screw, allowing divers to easily adjust the output pressure by turning the handle. The operation is simple and convenient, requiring no complicated tools or professional skills.

[0024] The outer end of the clamping screw is fixed to a rotating handle, which makes it easy for divers to tighten or loosen the clamping screw, and quickly connect and disconnect the adjustable pressure connector from the YOKE cylinder, thus improving the efficiency of installation and disassembly of diving equipment.

[0025] 4. Good sealing performance

[0026] The sealing ring embedded in the end face of the interface can effectively prevent gas leakage, ensure the sealing performance between the adjustable pressure connector and the YOKE gas cylinder, and improve the stability and reliability of gas supply.

[0027] 5. Comprehensive protective functions

[0028] The ring-shaped body is equipped with a plug. When the adjustable pressure connector is not connected to the gas cylinder, the plug seals the interface and is pressed against the inner end of the clamping screw, preventing dust, moisture and other impurities from entering the pressure regulating valve. This provides good protection for the pressure regulating valve and extends the service life of the equipment.

[0029] 6. Wide applicability

[0030] The air outlet can be one or two, which can be flexibly selected according to actual needs to meet the usage requirements of different diving scenarios and divers, thus enhancing the applicability and versatility of the adjustable pressure connector. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0032] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "communication" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] like Figure 1An adjustable pressure connector based on a YOKE cylinder is shown, comprising a ring-shaped body 1, the inner diameter of which is larger than the outer diameter of the YOKE cylinder valve. A clamping screw 2 is screwed to one side of the ring-shaped body 1. A mating interface 3 protruding into the ring is fixedly provided on the ring-shaped body 1 on the opposite side of the clamping screw 2. The mating interface 3 is characterized in that it is connected to the air inlet 101 of a pressure regulating valve 100, and the air outlet 102 of the pressure regulating valve 100 is connected to a diving breathing apparatus. The pressure regulating valve 100 includes an upper valve body 103 and a lower valve body 104 fixedly connected thereto. The upper valve body 103 and the lower valve body 104 are separated by a diaphragm 105. A valve seat 108 is provided in the lower valve body 104. A valve sealing gasket 106 is slidably engaged below the valve seat 108. The upper end of the valve sealing gasket 106 can abut against or not abut against the valve seat 108 to control the size of the connection between the air inlet 101 and the air outlet 102. The valve sealing gasket 106 is supported by a valve sealing spring 107 below. A valve push rod 109 is fixedly connected to the center of the upper valve seat 106. The upper end of the valve push rod 109 abuts against the lower surface of the diaphragm 105. A pressure plate 110 that can move up and down is provided at the lower end of the upper valve body 103, and an output pressure regulating screw 111 is screwed to the upper end. A pressure regulating spring 112 is provided between the lower end of the output pressure regulating screw 111 and the upper end of the pressure plate 110.

[0036] The working principle of this adjustable pressure connector based on a YOKE gas cylinder is as follows:

[0037] Gas flows out of the YOKE gas cylinder and enters the inlet 101 of the pressure regulating valve 100 through the interface 3 of the ring-shaped body 1.

[0038] When the output pressure needs to be adjusted, the output pressure adjusting screw 111 is rotated, which moves up and down, thereby changing the compression degree of the pressure adjusting spring 112. The pressure adjusting spring 112 acts on the pressure plate 110, causing the pressure plate 110 to move up and down.

[0039] The displacement of the pressure plate 110 is transmitted to the valve stem 109 through the diaphragm 105. When the diaphragm 105 is subjected to the pressure of the pressure plate 110, it will press the valve stem 109 downward.

[0040] The valve push rod 109 pushes the valve sealing gasket 106 downward, at which time the contact state between the valve sealing gasket 106 and the valve seat 108 changes, thereby controlling the connection between the air inlet 101 and the air outlet 102.

[0041] If an increase in output pressure is required, rotating the output pressure adjusting screw 111 increases the compression of the pressure adjusting spring 112, causing the pressure plate 110 to move downwards further. The diaphragm 105 pushes the valve rod 109, causing the valve sealing gasket 106 to move downwards. This increases the communication area between the inlet 101 and the outlet 102, allowing more gas to flow from the inlet 101 to the outlet 102, thus increasing the output pressure. Conversely, if a decrease in output pressure is required, rotating the output pressure adjusting screw 111 decreases the compression of the pressure adjusting spring 112, causing the valve sealing gasket 106 to move upwards. This reduces the communication area between the inlet 101 and the outlet 102, thus decreasing the output pressure.

[0042] During this process, the valve sealing spring 107 always supports the valve sealing gasket 106, maintaining a certain balance and ensuring that the valve sealing gasket 106 can move up and down stably according to pressure changes. This achieves precise control over the connection between the air inlet 101 and the air outlet 102, ultimately enabling the pressure regulating valve 100 to output pressurized gas at the air outlet 102 that meets the requirements and connects to the diving breathing apparatus for use by divers.

[0043] In another preferred embodiment, a safety valve 115 is installed on the lower valve body 104 on the air inlet side. When the air inlet pressure exceeds the safety valve's set threshold due to cylinder malfunction or other reasons, the safety valve 115 automatically opens to release pressure, preventing high-pressure gas from impacting the internal structure of the pressure regulating valve and the diving breathing apparatus, thus avoiding equipment damage and malfunction of the diver's air supply system. This greatly enhances the safety protection capability of the entire adjustable pressure connector and provides reliable safety assurance for diving operations.

[0044] In another preferred embodiment, a rotating handle 116 is provided at the upper end of the output pressure regulating screw 111. The rotating handle 116 increases the force application area, allowing divers to operate the output pressure regulating screw 111 more easily and effortlessly when adjusting the output pressure. Pressure adjustment can be achieved quickly without the need for additional tools. Especially in complex underwater environments, this can effectively improve operational efficiency and ensure that divers obtain the appropriate air supply pressure in a timely manner.

[0045] In another preferred embodiment, the valve sealing spring 107 is a cylindrical helical compression spring, and its elastic coefficient is selected according to the design pressure range of the pressure regulating valve 100 to ensure that the valve sealing gasket 106 can seal and open the valve seat 108 under appropriate pressure. The cylindrical helical compression spring has a simple structure and stable performance. By selecting an appropriate elastic coefficient according to the design pressure range of the pressure regulating valve 100, the valve sealing gasket 106 can accurately control the sealing and opening states with the valve seat 108 under different pressures, ensuring the sensitivity and stability of the pressure regulation of the pressure regulating valve 100, and avoiding inaccurate pressure regulation or sealing failure due to poor spring performance.

[0046] In another preferred embodiment, a high-pressure gauge 113 is installed on the air inlet 101, and a low-pressure gauge 114 is installed on the air outlet 102. Divers can monitor the gas pressure (high pressure) inside the cylinder and the gas pressure (low pressure) output to the breathing apparatus in real time, promptly grasp the pressure changes in the gas supply system, and predict the remaining gas volume in the cylinder and the working status of the pressure regulating valve in advance. This facilitates appropriate measures, such as replacing the cylinder or adjusting the output pressure, ensuring the safe and smooth progress of diving operations.

[0047] In another preferred embodiment, the air outlet 102 is one or two. A single air outlet is suitable for single-person diving operations and has a compact structure; two air outlets can connect to two breathing devices simultaneously to meet the needs of two-person diving or backup air supply, allowing the adjustable pressure connector to flexibly adapt to different diving scenarios and operation modes, thus expanding the application range of the product.

[0048] In another preferred embodiment, the outer end of the clamping screw 2 is fixedly connected to a rotating handle 4. The rotating handle 4 increases the contact area with the hand, providing a better grip. When divers connect or disconnect the adjustable pressure connector from the YOKE cylinder, they can more easily tighten or loosen the clamping screw 2, reducing the difficulty and time of operation. Especially when operating underwater, it effectively improves connection efficiency and reliability.

[0049] In another preferred embodiment, a sealing ring is embedded in the end face of the interface 3. The sealing ring can form a tight seal at the connection between the interface 3 and the YOKE gas cylinder valve to prevent gas leakage, ensure the airtightness of the gas supply system, avoid insufficient gas supply or unstable pressure due to gas leakage, and at the same time reduce gas waste and improve the working stability and reliability of the adjustable pressure connector.

[0050] In another preferred embodiment, the ring-shaped body 1 is equipped with a plug. When the adjustable pressure connector is not connected to the gas cylinder, the plug seals the interface 3 and is pressed against the inner end of the clamping screw 2. When the adjustable pressure connector is not connected to the gas cylinder, the plug seals the interface 3 and is pressed against the inner end of the clamping screw 2, which can effectively prevent dust, moisture, impurities, etc. from entering the interior of the pressure regulating valve, avoid these foreign objects from causing wear, corrosion or blockage to the pressure regulating valve components, protect the internal precision structure of the pressure regulating valve, extend the service life of the adjustable pressure connector, and ensure that the performance of the equipment is not affected during the next use.

[0051] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable pressure connector based on a YOKE gas cylinder, comprising a ring-shaped body (1) with an inner diameter larger than the outer diameter of a YOKE gas cylinder valve, wherein a clamping screw (2) is screwed to one side of the ring-shaped body (1), and a mating interface (3) protruding inward is fixedly provided on the ring-shaped body (1) on the opposite side of the clamping screw (2), characterized in that, The interface (3) is connected to the air inlet (101) of the pressure regulating valve (100), and the air outlet (102) of the pressure regulating valve (100) is connected to the diving breathing device.

2. The adjustable pressure connector based on a YOKE gas cylinder according to claim 1, characterized in that, The pressure regulating valve (100) includes an upper valve body (103) and a lower valve body (104) fixedly connected thereto. The upper valve body (103) and the lower valve body (104) are separated by a diaphragm (105). A valve seat (108) is provided inside the lower valve body (104). A valve sealing gasket (106) is slidably fitted below the valve seat (108). The upper end face of the valve sealing gasket (106) can abut or not abut against the valve seat (108) to control the size of the connection between the air inlet (101) and the air outlet (102). The valve sealing gasket (106) is supported by a valve sealing spring (107) below. A valve push rod (109) is fixedly connected to the center of the valve sealing gasket (106). The upper end of the valve push rod (109) abuts against the lower surface of the diaphragm (105). The lower end of the upper valve body (103) is provided with a pressure plate (110) that can move up and down, and the upper end is screwed with an output pressure regulating screw (111). A pressure regulating spring (112) is provided between the lower end of the output pressure regulating screw (111) and the upper end of the pressure plate (110).

3. The adjustable pressure connector based on a YOKE gas cylinder according to claim 2, characterized in that, A safety valve (115) is installed on the lower valve body (104) on the intake side.

4. The adjustable pressure connector based on a YOKE gas cylinder according to claim 2, characterized in that, A rotating handle (116) is inserted through the upper end of the output pressure regulating screw (111).

5. The adjustable pressure connector based on a YOKE gas cylinder according to claim 2, characterized in that, The valve sealing spring (107) is a cylindrical helical compression spring, and its elastic coefficient is selected according to the design pressure range of the pressure regulating valve (100) to ensure that the valve sealing gasket (106) can seal and open the valve seat (108) under appropriate pressure.

6. The adjustable pressure connector based on a YOKE gas cylinder according to claim 1 or 2, characterized in that, A high-pressure gauge (113) is installed on the air inlet (101), and a low-pressure gauge (114) is installed on the air outlet (102).

7. The adjustable pressure connector based on a YOKE gas cylinder according to claim 1 or 2, characterized in that, The air outlet (102) can be one or two.

8. The adjustable pressure connector based on a YOKE gas cylinder according to claim 1 or 2, characterized in that, The outer end of the clamping screw (2) is fixed to a rotating handle (4).

9. The adjustable pressure connector based on a YOKE gas cylinder according to claim 1 or 2, characterized in that, A sealing ring is embedded on the end face of the interface (3).

10. The adjustable pressure connector based on a YOKE gas cylinder according to claim 1 or 2, characterized in that, The ring-shaped body (1) is equipped with a plug. When the adjustable pressure connector is not connected to the gas cylinder, the plug seals the interface (3) and is pressed against the inner end of the clamping screw (2).

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