Oxygen generator flow control device

Abstract

The utility model discloses an oxygenerator flow control device, which comprises a silica gel air pipe, a base and a pore plate, one end of the silica gel air pipe is buckled with a metal joint through a buckling machine, the inner wall of the metal joint is provided with a threaded groove, one end of the base is fixedly connected with a threaded pipe, and the threaded pipe is matched with the threaded groove for use. According to the utility model, the metal joint is buckled at one end of the silica gel gas pipe by using the buckling machine, the threaded pipe is fixedly connected to one end of the base, and the threaded pipe is in threaded connection with the metal joint, so that the base and the silica gel gas pipe can be connected, and the operation is simple and convenient during connection, the practicability is strong, and the device is worthy of popularization; wherein the integrated copper bead is divided into two structures, namely the base and the pore plate, and the part where the overflowing hole is located is independent as the pore plate, so that compared with an integrated copper column structure and the independent pore plate, the conveying, positioning and drilling operations are more convenient, the processing precision of the overflowing hole can be ensured, and the precision of the oxygen supply amount of the oxygen generator is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen generator technical field especially relates to oxygen generator flow control device. BACKGROUND

[0002] Oxygen generator, namely oxygen generator, for controlling oxygen supply total amount, oxygen generator is equipped with multiple silica gel air pipes for gas shunting, silica gel air pipe is equipped with copper bead, copper bead is provided with overflow hole, the size of the overflow hole on the copper bead of each silica gel air pipe is different, so that the oxygen flow of each silica gel air pipe is different, and each silica gel air pipe is controlled by a separate electromagnetic valve switch, in the use process, oxygen generator can control the oxygen delivery total amount of oxygen generator through the switch combination of different silica gel air pipes.

[0003] The prior art has the following problems:

[0004] After a large number of searches, the patent file with application number CN202222243610.7 discloses a gas flow control device, which separates the integrated copper bead into a base and a hole plate structure, and separates the part where the overflow hole is located as a hole plate to facilitate drilling operation of the overflow hole on the hole plate, ensure the machining precision of the overflow hole, and further ensure the accuracy of the oxygen supply of the oxygen generator, however, the above-mentioned patent still has problems in actual use, and the most obvious problem is that it is difficult to connect the base with the silica gel air pipe.

[0005] Therefore, we propose an oxygen generator flow control device to solve the above-mentioned drawbacks. INVENTION CONTENTS

[0006] The utility model discloses an oxygen generator flow control device to solve the shortcomings in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: oxygen generator flow control device, including silica gel air pipe, base and hole plate, one end of silica gel air pipe is buckled with metal joint through buckle pressing machine, and the inner wall of metal joint is provided with screw groove, one end of base is fixedly connected with threaded tube, and threaded tube is used in cooperation with screw groove, the inside of base is provided with flow channel hole, and the hole plate is connected in the flow channel hole in screw thread, and the surface of hole plate is provided with overflow hole.

[0008] Preferably, the diameter of the overflow hole is smaller than the diameter of the hole plate.

[0009] Preferably, the hole plate is fitted with the flow channel hole.

[0010] Preferably, the end face of the hole plate is flush with the end face of the base.

[0011] Preferably, the diameter of the flow channel hole is greater than the diameter of the overflow hole.

[0012] Preferably, the overflow hole is located at the center of the hole plate.

[0013] Compared with the prior art, the present application has the beneficial effects that:

[0014] In the present application, a metal connector is buckled and pressed on one end of the silica gel air pipe by a buckling and pressing machine, and a threaded pipe is fixedly connected to one end of the base, and the threaded pipe is threadedly connected with the metal connector, which is conducive to connecting the base and the silica gel air pipe, and the operation is simple and convenient during connection, and the practicability is strong, and it is worth promoting. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0016] Fig. 1 The structure diagram of the oxygen generator flow control device provided by the present application is shown in the figure.

[0017] Fig. 2 The sectional view of the oxygen generator flow control device provided by the present application is shown in the figure.

[0018] Fig. 3 The connection diagram of the base and the silica gel air pipe is shown in the figure.

[0019] Legend:

[0020] 1, silica gel air pipe; 2, metal connector; 3, base; 4, flow channel hole; 5, hole plate; 6, threaded pipe; 7, overflow hole. DETAILED DESCRIPTION

[0021] The technical schemes in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model; the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figs. 1-3 The oxygen generator flow control device comprises a silica gel air pipe 1, a base 3 and a hole plate 5, one end of the silica gel air pipe 1 is buckled with a metal joint 2 through a buckling machine, the inner wall of the metal joint 2 is provided with a threaded groove, one end of the base 3 is fixedly connected with a threaded pipe 6, the threaded pipe 6 is used in cooperation with the threaded groove, a flow channel hole 4 is formed in the inside of the base 3, the hole plate 5 is screw-connected in the flow channel hole 4, and overflow holes 7 are formed in the surface of the hole plate 5.

[0024] In use, a metal joint 2 is buckled at one end of the silica gel air pipe 1 by using a buckling machine, and a threaded pipe 6 is fixedly connected at one end of the base 3, the threaded pipe 6 is screw-connected with the metal joint 2, which is beneficial to connect the base 3 with the silica gel air pipe 1, and the operation is simple and convenient during connection, the practicability is high, and it is worth promoting, wherein the integrated copper bead is divided into two structures of the base 3 and the hole plate 5, and the part where the overflow holes 7 are located is separated as the hole plate 5, compared with the integrated copper column structure, the separate hole plate 5 is more convenient for conveying, positioning and drilling operation, and the machining precision of the overflow holes 7 can be ensured, thereby ensuring the accuracy of the oxygen supply amount of the oxygen generator.

[0025] In the embodiment, the diameter of the overflow hole 7 is smaller than the diameter of the hole plate 5.

[0026] Specifically, the overflow hole 7 can be formed on the hole plate 5.

[0027] In the embodiment, the hole plate 5 is fitted with the flow channel hole 4.

[0028] Specifically, the end of the flow channel hole 4 is also provided with an embedding groove, through the structure design of interference fit, impurities can be avoided when fixed by welding or bonding, and the quality of the supplied oxygen is affected.

[0029] In the embodiment, the end face of the hole plate 5 is flush with the end face of the base 3.

[0030] Specifically, the flush end face structure is easier to assemble in place.

[0031] In the embodiment, the diameter of the flow channel hole 4 is greater than the diameter of the flow hole 7.

[0032] Specifically, to avoid turbulence or vortex of oxygen when passing through the gas flow control device, affecting the accuracy of the gas flow.

[0033] In the embodiment, the flow hole 7 is located at the center of the hole plate 5.

[0034] Specifically, to reduce the impact on the accuracy of the gas flow.

[0035] Working principle: in use, the buckle machine buckles a metal joint 2 at one end of the silica gel air pipe 1, and a threaded pipe 6 is fixed at one end of the base 3, the threaded pipe 6 is screwed with the metal joint 2, which is conducive to connecting the base 3 with the silica gel air pipe 1, and the connection is simple and convenient to operate, and has high practicability, and is worth promoting, wherein the integrated copper ball is divided into two structures of the base 3 and the hole plate 5, and the part where the flow hole 7 is located is separated as the hole plate 5, compared with the integrated copper column structure, the separate hole plate 5 is more convenient for conveying, positioning and drilling operation, and can ensure the machining precision of the flow hole 7, and then ensure the accuracy of the oxygen supply amount of the oxygen generator.

[0036] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An oxygen concentrator flow control device, comprising a silicone tube (1), a base (3), and an orifice plate (5), characterized in that, One end of the silicone tube (1) is crimped with a metal connector (2) by a crimping machine, and the inner wall of the metal connector (2) is provided with a threaded groove. One end of the base (3) is fixed with a threaded tube (6), and the threaded tube (6) is used in conjunction with the threaded groove. The interior of the base (3) is provided with a flow channel hole (4), and a perforated plate (5) is threadedly connected to the flow channel hole (4), and a flow hole (7) is provided on the surface of the perforated plate (5).

2. The oxygen generator flow control device according to claim 1, characterized in that, The diameter of the flow hole (7) is smaller than the diameter of the orifice plate (5).

3. The oxygen generator flow control device according to claim 1, characterized in that, The perforated plate (5) fits into the flow channel hole (4).

4. The oxygen generator flow control device according to claim 1, characterized in that, The end face of the perforated plate (5) is flush with the end face of the base (3).

5. The oxygen generator flow control device according to claim 1, characterized in that, The diameter of the flow channel hole (4) is larger than the diameter of the flow passage hole (7).

6. The oxygen generator flow control device according to claim 1, characterized in that, The flow hole (7) is located at the center of the orifice plate (5).

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