Dual-purpose flow meter

Abstract

The utility model discloses a dual-purpose flow meter which comprises a flow meter main body, the flow meter main body is provided with a flow meter scale assembly, and a wall connecting plug assembly and an airflow switch assembly are arranged on the flow meter main body in a penetrating mode in the direction perpendicular to the flow meter scale assembly. A reversing valve rod assembly is arranged on the flow meter body in the direction perpendicular to the wall inserting connector assembly. The reversing valve rod assembly comprises a reversing valve rod and an air outlet nozzle. The flow meter is simple in structure and reasonable in design, the reversing valve rod is matched with the flow meter body to move to complete conversion between oxygen uptake and atomization, the oxygen uptake and atomization are fixed to one air outlet, secondary plugging and unplugging conversion is not needed, the problem of misplug and misplug existing in switching between an oxygen uptake connector and an atomization connector is solved, and the flow meter is convenient to use. Plugging errors of oxygen inhalation and atomization functions are effectively avoided, and the use safety of a patient is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical flow meters, in particular to a dual-purpose flow meter. Background Art

[0002] The oxygen flow meter is one of the commonly used oxygen supply instruments in modern medicine. It can display the patient's oxygen flow, which is convenient for real-time observation and recording of the patient's condition. At the same time, the oxygen flow meter also has a gas atomization function, which can switch between the two working states of gas atomization and oxygen inhalation, thereby improving the functionality of the oxygen flow meter.

[0003] Deficiencies of existing technology:

[0004] At present, the push rod switch (switching button) of the oxygen inhalation flow meter is often made of a smooth cylinder, and there is no function to limit the push rod switch (switching button), which makes it difficult to fix the switch between the two interfaces of oxygen inhalation and nebulization; when in use, it is inevitable that the patient accidentally touches the switching push rod switch, and there is a possibility that the oxygen inhalation state is switched to the nebulization state, causing the patient to be unable to inhale oxygen correctly, thereby causing the patient to be hypoxic and causing oxygen saturation to decrease, and may also cause tissue hypoxia of the patient, bringing a series of adverse consequences. Utility Model Content

[0005] The purpose of the present utility model is to provide a dual-purpose flow meter to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a dual-purpose flow meter, comprising a flow meter body, the flow meter body being provided with a flow meter scale assembly, a wall plug assembly and an airflow switch assembly being provided through the flow meter body in a direction perpendicular to the flow meter scale assembly, and a reversing valve stem assembly being provided in the flow meter body in a direction perpendicular to the wall plug assembly, the reversing valve stem assembly comprising:

[0007] A reversing valve stem, the reversing valve stem being arranged through the side of the flow meter body;

[0008] An air outlet nozzle is arranged on the reversing valve stem.

[0009] Preferably, the flow meter body is provided with a U-shaped groove, the reversing valve stem is provided with an O-ring, and the U-shaped groove and the O-ring match.

[0010] Preferably, the wall plug connector assembly includes a wall plug connector, a valve core and a wall plug positioner. The wall plug connector is arranged on the side of the flow meter body, the valve core is fixedly connected to the wall plug connector, and the wall plug positioner is arranged on the wall plug connector.

[0011] Preferably, the airflow switch assembly includes a screw cap, a valve core push rod and a valve core fixing rod, the valve core push rod is arranged on the flow meter body, the screw cap is connected to and adjusts the valve core push rod, and the valve core fixing rod is connected to the valve core push rod.

[0012] Preferably, the flow meter scale assembly includes a flow meter cover, a scale tube and a float, the flow meter cover is arranged on the flow meter body, the scale tube and the float are arranged inside the flow meter cover, the scale tube is connected to the flow meter body, and the float is arranged inside the scale tube.

[0013] Preferably, the wall plug connector assembly and the airflow switch assembly are arranged on the same axis, and the valve core push rod is connected and matched with the valve core.

[0014] Preferably, the wall plug connector is configured to connect to devices of different specifications.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This dual-purpose flow meter is provided with a reversing valve stem assembly, which includes a reversing valve stem and an air outlet nozzle. The reversing valve stem is installed through the side of the flow meter body, and the air outlet nozzle is provided on the reversing valve stem. The reversing valve stem completes the conversion between oxygen inhalation and atomization by matching and moving with the flow meter body. By fixing oxygen inhalation and atomization at one air outlet, there is no need for secondary plugging and unplugging conversion, which solves the problem of misplugging and misplugging when switching between the two interfaces of oxygen inhalation and atomization, effectively avoids plugging and unplugging errors of oxygen inhalation and atomization functions, and improves the safety of patients.

[0017] 2. This dual-purpose flow meter has a U-shaped groove on the flow meter body and an O-ring on the reversing valve stem. The U-shaped groove and the O-ring match each other, replacing the original through hole, effectively improving the service life of the O-ring on the reversing valve stem. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0020] Figure 3 This is a schematic diagram of a wall plug connector assembly of the present utility model;

[0021] Figure 4 This is a schematic diagram of the airflow switch assembly of the present utility model;

[0022] Figure 5 It is a partial structural diagram of the utility model;

[0023] In the figure: 110, flow meter body; 111, U-shaped groove; 120, flow meter scale assembly; 121, flow meter cover; 122, scale tube; 123, float; 130, wall plug connector assembly; 131, wall plug connector; 132, valve core; 133, wall plug positioner; 140, air flow switch assembly; 141, screw cap; 142, valve core push rod; 143, valve core fixing rod; 150, reversing valve stem assembly; 151, reversing valve stem; 152, air outlet nozzle. DETAILED DESCRIPTION

[0024] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "disposed" should be understood broadly. For example, they can refer to fixed connection or disposition, detachable connection or disposition, or integrated connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "several" means two or more, unless otherwise specifically defined.

[0028] Example

[0029] See also Figure 1-5As shown, the utility model provides a technical solution for a dual-purpose flow meter: it includes a flow meter body 110, the flow meter body 110 is connected to the flow meter scale assembly 120, and a wall plug connector assembly 130 and an air flow switch assembly 140 are installed through the flow meter body 110 in a vertical direction of the flow meter scale assembly 120, and a reversing valve stem assembly 150 is installed on the flow meter body 110 in a vertical direction of the wall plug connector assembly 130. The reversing valve stem assembly 150 includes a reversing valve stem 151 and an air outlet nozzle 152. The reversing valve stem 151 is installed through the side of the flow meter body 110, and the air outlet nozzle 152 is set on the reversing valve stem 151. The reversing valve stem 151 completes the conversion between oxygen inhalation and atomization by matching and moving with the flow meter body 110. By fixing oxygen inhalation and atomization to one air outlet, there is no need for secondary plug-in conversion, which solves the problem of misplugging and misplugging when switching between the two interfaces of oxygen inhalation and atomization, effectively avoids plug-in and plug-out errors of oxygen inhalation and atomization functions, and improves the safety of patient use.

[0030] Furthermore, the flow meter body 110 is provided with a U-shaped groove 111, and the reversing valve stem 151 is provided with an O-ring. The U-shaped groove 111 and the O-ring match each other, replacing the original through hole, thereby effectively improving the service life of the O-ring on the reversing valve stem 151.

[0031] Furthermore, the wall plug connector assembly 130 includes a wall plug connector 131, a valve core 132 and a wall plug positioner 133. The wall plug connector 131 is installed on the side of the flow meter body 110. The valve core 132 is fixedly connected to the wall plug connector 131 by riveting or other fixing methods. The valve core 132 and the wall plug connector 131 are fixed as a whole. The wall plug positioner 133 is installed on the wall plug connector 131. In addition, the wall plug connector 131 can be connected to hospital equipment of different specifications according to requirements, thereby increasing the application scenarios. The airflow switch assembly 14 0 includes a screw cap 141, a valve core push rod 142 and a valve core fixing rod 143. The valve core push rod 142 is installed inside the flow meter body 110. The screw cap 141 is connected to and adjusts the valve core push rod 142. The valve core fixing rod 143 is set on the valve core push rod 142. The wall plug assembly 130 and the air flow switch assembly 140 are set to the same axis to ensure that the valve core push rod 142 is connected and matched with the valve core 132. The screw cap 141 is adjusted to adjust the depth of the matching between the valve core 132 and the valve core push rod 142, thereby changing the size of the gas flow.

[0032] Furthermore, the flow meter scale assembly 120 includes a flow meter cover 121, a scale tube 122 and a float 123. The flow meter cover 121 is connected to the flow meter body 110 for intuitively observing data. The scale tube 122 and the float 123 are arranged inside the flow meter cover 121. The scale tube 122 is connected to the flow meter body 110, and the float 123 is arranged inside the scale tube 122.

[0033] The working principle of this utility model is as follows:

[0034] When in use, a dual-purpose flow meter of this embodiment is provided with a reversing valve stem assembly 150, which includes a reversing valve stem 151 and an air outlet nozzle 152. The reversing valve stem 151 is installed through the side of the flow meter body 110, and the air outlet nozzle 152 is provided on the reversing valve stem 151. The reversing valve stem 151 completes the conversion between oxygen inhalation and atomization by matching and moving with the flow meter body 110. By fixing oxygen inhalation and atomization at one air outlet, there is no need for secondary plugging and unplugging conversion, which solves the problem of misplugging and misplugging when switching between the two interfaces of oxygen inhalation and atomization, effectively avoids plugging and unplugging errors of oxygen inhalation and atomization functions, and improves the safety of patient use.

[0035] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A dual-purpose flow meter, comprising a flow meter body (110), characterized in that: The flow meter body (110) is provided with a flow meter scale assembly (120); a wall plug assembly (130) and an airflow switch assembly (140) are provided through the flow meter body (110) in a direction perpendicular to the flow meter scale assembly (120); a reversing valve stem assembly (150) is provided in a direction perpendicular to the wall plug assembly (130) and the flow meter body (110); the reversing valve stem assembly (150) comprises: a reversing valve stem (151), the reversing valve stem (151) being arranged through a side surface of the flow meter body (110); An air outlet nozzle (152), the air outlet nozzle (152) is arranged on the reversing valve stem (151).

2. A dual-purpose flow meter according to claim 1, characterized in that: The flow meter body (110) is provided with a U-shaped groove (111), and the reversing valve stem (151) is provided with an O-ring, and the U-shaped groove (111) and the O-ring match.

3. A dual-purpose flow meter according to claim 1, characterized in that: The wall plug connector assembly (130) and the airflow switch assembly (140) are arranged on the same axis. The wall plug connector assembly (130) comprises a wall plug connector (131), a valve core (132) and a wall plug positioner (133). The wall plug connector (131) is arranged on the side of the flow meter body (110). The valve core (132) is fixedly connected to the wall plug connector (131). The wall plug positioner (133) is arranged on the wall plug connector (131).

4. A dual-purpose flow meter according to claim 3, characterized in that: The airflow switch assembly (140) includes a rotary cap (141), a valve core push rod (142) and a valve core fixing rod (143), wherein the valve core push rod (142) is arranged on the flow meter body (110), the rotary cap (141) is connected to and adjusts the valve core push rod (142), the valve core fixing rod (143) is connected to the valve core push rod (142), and the valve core push rod (142) is connected and matched with the valve core (132).

5. A dual-purpose flow meter according to claim 1, characterized in that: The flow meter scale assembly (120) comprises a flow meter housing (121), a scale tube (122), and a float (123); the flow meter housing (121) is arranged on the flow meter body (110); the scale tube (122) and the float (123) are arranged inside the flow meter housing (121); the scale tube (122) is connected to the flow meter body (110); and the float (123) is arranged inside the scale tube (122).

6. A dual-purpose flow meter according to claim 3, characterized in that: The wall plug connector (131) is configured to connect to devices of different specifications.

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