A breathing regulator

Abstract

The invention discloses a breathing regulator, which relates to the field of breathing regulators, including inner and outer connecting wires, a valve body, a valve body fixing nut and an adjusting knob which are connected in sequence. The valve body is provided with a movable connecting lever, a breathing valve body is provided between the inner and outer connecting wires and the valve body fixing nut, the valve body is located inside the breathing valve body, and the lever is movably connected to the inner wall of the rear side of the breathing valve body, an adjusting nut is provided in the valve body fixing nut, one end of the adjusting nut is connected to the adjusting knob, and an embedded sphere is provided at the center of the other end face, a pull rod, a balancing body, an inner spring and a balancing pad are provided in sequence in the valve body, a pull rod spring, a lever and a nut are provided in sequence on the pull rod, an outer spring is provided on the outer side of the inner spring, and a balancing pad groove which matches the embedded sphere is provided on the other end face of the balancing pad. The application has a simple structure, small resistance and small friction, which ensures the accuracy of the product and sufficient and smooth gas volume, and reduces friction and prolongs the service life of the product through friction between the embedded sphere and the spherical surface of the balancing pad groove.

Description

Technical Field

[0001] The invention belongs to the technical field of breathing regulators for diving, and in particular relates to a breathing regulator. Background Art

[0002] When diving, people cannot directly inhale the high-pressure gas in the cylinder, which requires pressure regulation through a breathing regulator. The existing breathing regulator has high accuracy in the early stage of application, but the accuracy cannot be controlled after a period of use, and it needs to be repaired and cleaned after 1-2 months of use. The breathing impedance of the existing breathing regulator is greater than 0.5kpa, and the exhaust impedance is greater than 0.25kpa. After a long time of use, it is easy to have problems such as poor gas flow and insufficient gas volume. In addition, the existing adjustment nut and the balance pad are connected face to face. After a long time of use, the friction between the two contact surfaces is large and easy to be damaged, resulting in a short life of the breathing adjustment valve and the inability to ensure the safety of divers. It is crucial to develop a breathing regulator with low resistance, low friction and guaranteed accuracy. Summary of the invention

[0003] The object of the present invention is to provide a breathing regulator to solve the problems raised by the above background technology.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The present invention is a breathing regulator, comprising inner and outer connecting wires, a valve body, a valve body fixing nut and an adjusting knob which are connected in sequence. A movable connecting lever is provided on the valve body. A breathing valve body is provided between the inner and outer connecting wires and the valve body fixing nut. The valve body is located inside the breathing valve body, and the lever is movably connected to the inner wall of the rear side of the breathing valve body. An adjusting nut is provided inside the valve body fixing nut. One end of the adjusting nut is connected to the adjusting knob, and an embedded sphere is provided at the center of the other end face. A pull rod, a balancing body, an inner spring and a balancing pad are provided in sequence in the valve body. A pull rod spring, a lever and a nut are provided on the pull rod in sequence. An outer spring is provided on the outer side of the inner spring. The outer spring is located between the balancing body and the balancing pad. One end of the balancing pad is respectively connected to the inner spring and the outer spring, and the other end face is provided with a balancing pad groove which matches the embedded sphere.

[0006] Furthermore, the breathing valve body includes a lower body, and the interior of the front side of the lower body is provided with a small diaphragm frame, a small diaphragm and a lower body retaining spring in sequence from the inside to the outside, and the rear side is provided with a large diaphragm, an upper body, a soft cover and a protective fixed bracket in sequence from the inside to the outside, and the lever is located between the lower body and the large diaphragm.

[0007] Furthermore, one end of the lever is plugged into the valve body, and the other end is provided with a ball connected by a fixing pin, and the ball is slidably connected to the inner wall of the large diaphragm.

[0008] Furthermore, a valve body gasket is provided between the lever and the nut.

[0009] Furthermore, an O-ring B is provided at the connection between one end of the internal and external connecting wire and the valve body, and a valve head is provided at the other end, and an O-ring A is provided at the connection between the valve head and the internal and external connecting wire.

[0010] Furthermore, a valve gasket is provided between the inner and outer connecting wires and the pull rod.

[0011] Furthermore, screw plugs are provided at both upper and lower ends of the right side of the lower body, and the screw plugs are located outside the valve body fixing nut.

[0012] Furthermore, an adjusting retaining spring and an O-ring C are provided in sequence between the valve body and the valve body fixing nut.

[0013] Furthermore, an O-ring and an adjusting gasket are provided in sequence between the valve body fixing nut and the adjusting knob.

[0014] The present invention has the following beneficial effects: the structure of the present invention is simple, the mechanical regulating valve used has good stability and high precision, the suction resistance is lower than 0.25kpa, the exhaust resistance is lower than 0.25kpa, and the small resistance ensures sufficient and smooth air volume. The existing surface friction connection is changed into spherical friction between the embedded sphere 231 and the balance pad groove 221, and the friction force is small, which ensures the accuracy and quality of the product, while extending the service life and ensuring the safety of divers.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a structural stereogram of the present invention;

[0018] Figure 2 It is a rear view of the local structure of the present invention;

[0019] Figure 3 It is a schematic diagram of the internal and external connecting wires, the valve body, the valve body fixing nut, the adjusting knob and the lever structure of the present invention;

[0020] Figure 4 It is a schematic diagram of the internal and external connecting wires, valve body, adjusting knob and lever structure of the present invention;

[0021] Figure 5 for Figure 4 A magnified view of middle;

[0022] Figure 6 It is a schematic diagram of the internal and external connecting wires, valve body, adjusting knob and lever structure of the present invention;

[0023] Figure 7 for Figure 6 Enlarged view of middle B;

[0024] Figure 8 A schematic diagram of the internal and external connecting wires, valve body, adjusting knob and lever structure of the present invention;

[0025] Fig. 9 for Figure 8 Enlarged view of middle C;

[0026] Fig.10 An exploded view of the present invention;

[0027] Fig.11 It is a cross-sectional view of the present invention.

[0028] In the figure, 1, lower body; 2, large diaphragm; 3, upper body; 4, soft cover; 5, protective fixing bracket; 6, small diaphragm frame; 7, small diaphragm; 8, lower body retaining spring; 9, O-ring B; 10, internal and external connecting wires; 11, O-ring A; 12, valve head; 13, valve pad; 14, pull rod; 15, pull rod spring; 16, valve body gasket; 17, nut; 18, balance body; 19, valve body; 20, inner spring; 21, outer spring; 22, balance pad; 23, adjusting nut; 24, adjusting retaining spring; 25, O-ring C; 26, valve body fixing nut; 27, O-ring D; 28, adjusting gasket; 29, adjusting knob; 30, lever; 31, fixing pin; 32, ball; 33, screw plug; 221, balance pad groove; 231, embedded ball. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-11As shown, the present invention is a breathing regulator, comprising an inner and outer connecting wire 10, a valve body 19, a valve body fixing nut 26 and an adjusting knob 29 connected in sequence, the valve body 19 is provided with a movable connecting lever 30, a breathing valve body is provided between the inner and outer connecting wire 10 and the valve body fixing nut 26, the valve body 19 is located inside the breathing valve body, and the lever 30 is movably connected to the inner wall of the rear side of the breathing valve body, an adjusting nut 23 is provided inside the valve body fixing nut 26, one end of the adjusting nut 23 is connected to the adjusting knob 29, and the other end is connected to the adjusting knob 29. An embedded sphere 231 is provided at the center of one end face, and a pull rod 14, a balancing body 18, an inner spring 20 and a balancing pad 22 are provided in sequence in the valve body 19, and a pull rod spring 15, a lever 30 and a nut 17 are provided on the pull rod 14 in sequence, and an outer spring 21 is provided on the outer side of the inner spring 20, and the outer spring 21 is located between the balancing body 18 and the balancing pad 22, and one end of the balancing pad 22 is connected to the inner spring 20 and the outer spring 21 respectively, and the other end face is provided with a balancing pad groove 221 that matches the embedded sphere 231. The breathing valve body includes a lower body 1, and a small diaphragm skeleton 6, a small diaphragm 7 and a lower body retaining spring 8 are provided in sequence from the inside to the outside on the front side of the lower body 1, and a large diaphragm 2, an upper body 3, a soft cover 4 and a protective fixing bracket 5 are provided in sequence from the inside to the outside on the rear side, and the lever 30 is located between the lower body 1 and the large diaphragm 2. One end of the lever 30 is plugged into the valve body 19, and the other end is provided with a ball 32 connected by a fixing pin 31, and the ball 32 is slidably connected to the inner wall of the large diaphragm 2. A valve body gasket 16 is provided between the lever 30 and the nut 17. An O-ring B 9 is provided at the connection between one end of the internal and external connecting wire 10 and the valve body 19, and a valve head 12 is provided at the other end, and an O-ring A 11 is provided at the connection between the valve head 12 and the internal and external connecting wire 10. A valve gasket 13 is provided between the internal and external connecting wire 10 and the pull rod 14. Screw plugs 33 are provided at both upper and lower ends of the right side of the lower body 1, and the screw plugs 33 are located outside the valve body fixing nut 26. An adjusting retaining ring 24 and an O-ring C 25 are also provided between the valve body 19 and the valve body fixing nut 26. An O-ring D 27 and an adjusting gasket 28 are also provided between the valve body fixing nut 26 and the adjusting knob 29.

[0031] The inner and outer connecting wires 10 are connected to the gas output port of the high-pressure gas cylinder on the detection platform, the connecting port of the lower body 1 is connected to the gas input port of the simulated electric artificial lung on the detection platform, the air gas output by the high-pressure gas cylinder enters the detection platform, the air gas output by the high-pressure gas cylinder is the air gas under the standard atmospheric pressure, the gas pressure entering the breathing regulator is controlled by the pressure regulating valve of the detection platform, the pressure regulating valve output end is connected with a pressure gauge of 0-2.5MPa, when the gas pressure of the input respirator is ten kilograms of pressure, when the electric artificial lung switch is turned on, and it runs for two hours, the inhalation resistance pressure gauge value on the detection platform is 0-0.25KPa, and the exhaust resistance pressure gauge value is 0-0.25KPa. Diving can be carried out at 0-60 meters underwater by adjusting the adjusting knob 29. Each component in this application is non-standard parts, with respective manufacturing molds. The present application has a simple structure and adopts a mechanical regulating valve with good stability and high precision. The suction resistance is lower than 0.25kpa and the exhaust resistance is lower than 0.25kpa. The small resistance ensures sufficient and smooth air volume. The existing surface friction connection is changed into a spherical friction between the embedded sphere 231 and the balance pad groove 221. The friction is small, which ensures the accuracy and quality of the product, while extending the service life and ensuring the safety of divers.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A breathing regulator, characterized in that: The invention comprises an inner and outer connecting wire (10), a valve body (19), a valve body fixing nut (26) and an adjusting knob (29) which are connected in sequence. The valve body (19) is provided with a movable connecting lever (30). A breathing valve body is provided between the inner and outer connecting wire (10) and the valve body fixing nut (26). The valve body (19) is located inside the breathing valve body, and the lever (30) is movably connected to the inner wall of the rear side of the breathing valve body. An adjusting nut (23) is provided inside the valve body fixing nut (26). One end of the adjusting nut (23) is connected to the adjusting knob (29), and an embedded ball (231) is provided at the center of the other end surface. A pull rod (14), a balancing body (18), an inner spring (20) and a balancing pad (22) are provided in sequence inside the valve body (19). A pull rod spring (15), a lever (30) and a nut (17) are provided on the pull rod (14). The inner spring An outer spring (21) is provided on the outside of the balance body (18) and the balance pad (22). One end of the balance pad (22) is connected to the inner spring (20) and the outer spring (21) respectively, and the other end surface is provided with a balance pad groove (221) matched with the embedded ball (231), which is used to reduce the inhalation resistance to less than 0.25 kPa and the exhaust resistance to less than 0.25 kPa. The breathing valve body comprises a lower body (1), and the interior of the front side of the lower body (1) is provided with a small diaphragm frame (6), a small diaphragm (7) and a lower body retaining spring (8) in sequence from the inside to the outside, and the rear side is provided with a large diaphragm (2), an upper body (3), a soft cover (4) and a protective fixing bracket (5) in sequence from the inside to the outside. The lever (30) is located between the lower body (1) and the large diaphragm (2), and a valve body gasket (16) is provided between the lever (30) and the nut (17).

2. A breathing regulator according to claim 1, characterized in that: One end of the lever (30) is plugged into the valve body (19), and the other end is provided with a ball (32) connected via a fixing pin (31), and the ball (32) is slidably connected to the inner wall of the large diaphragm (2).

3. A breathing regulator according to claim 1, characterized in that: An O-ring B (9) is provided at the connection between one end of the inner and outer connecting wire (10) and the valve body (19), and a valve head (12) is provided at the other end. An O-ring A (11) is provided at the connection between the valve head (12) and the inner and outer connecting wire (10).

4. A breathing regulator according to claim 1, characterized in that: A valve pad (13) is provided between the inner and outer connecting wires (10) and the pull rod (14).

5. A breathing regulator according to claim 1, characterized in that: The lower and upper ends of the right side of the lower body (1) are both provided with screw plugs (33), and the screw plugs (33) are located outside the valve body fixing nut (26).

6. A breathing regulator according to claim 1, characterized in that: An adjusting clamping spring (24) and an O-ring (25) are provided in sequence between the valve body (19) and the valve body fixing nut (26).

7. A breathing regulator according to claim 1, characterized in that: An O-ring (27) and an adjusting gasket (28) are arranged in sequence between the valve body fixing nut (26) and the adjusting knob (29).

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