Pipeline interface protection structure for oxygen generator

By designing protective connecting pipes and protective mechanisms, the problem of easy detachment of oxygen generator connecting pipes was solved, achieving a stable connection and improving the reliability and convenience of the connection.

CN224573057UActive Publication Date: 2026-07-31HENAN DONGLIANG MEDICAL EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN DONGLIANG MEDICAL EQUIP
Filing Date
2025-08-14
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The connecting pipe of the oxygen concentrator is prone to detachment under external influences, causing inconvenience in connection.

Method used

A protective mechanism consisting of a protective connecting pipe, a slide rail, a limiting block, a spring, and a lead screw is designed. Through the cooperation of the limiting block and the slide rail, the elastic force of the spring and the rotation of the lead screw are used to achieve a stable connection of the outer pipe.

Benefits of technology

This achieves a stable connection of the external pipe, preventing detachment and improving the reliability and convenience of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a protective structure for a pipe interface of an oxygen concentrator, including an oxygen concentrator body and an external pipe. An oxygen outlet pipe is fixedly connected to the inner wall of the oxygen concentrator body. A handle is fixedly connected to the top of the oxygen concentrator body. A protective mechanism is provided inside the oxygen outlet pipe. By aligning a limiting block with a slide rail, the limiting block is inserted into the slide rail, and the protective connecting pipe is pressed inward. The protective connecting pipe squeezes the support plate. The support plate moves inside the movable annular groove under pressure and squeezes the spring. The spring is in a compressed state. At this time, the protective connecting pipe is rotated, and the limiting block of the protective connecting pipe rotates 90 degrees, releasing the inward squeezing force on the protective connecting pipe. The spring is not affected by external force and drives the support plate to reset by its own elasticity. The support plate is positioned to squeeze the protective connecting pipe, thereby driving the limiting block to insert into the limiting groove, thus limiting the position of the protective connecting pipe.
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Description

Technical Field

[0001] This utility model relates to the field of oxygen generator technology, specifically to a protective structure for a pipe interface of an oxygen generator. Background Technology

[0002] An oxygen concentrator is a medical device primarily used to extract oxygen from the air and provide it to patients. It is commonly used for patients requiring long-term oxygen therapy, particularly in the treatment of respiratory, cardiovascular, and pulmonary diseases. Oxygen concentrators provide a high concentration of oxygen, helping to improve blood oxygen saturation and enhance the body's oxygen supply.

[0003] During the use of an oxygen concentrator, an external connecting pipe is usually used to connect to the oxygen outlet. The plug of the connecting pipe and the oxygen outlet are usually compatible cylindrical structures, and they are connected by a plug-in method. External influences may cause the connecting pipe to come loose, which is quite inconvenient. Utility Model Content

[0004] The purpose of this utility model is to provide a protective structure for the pipe interface of an oxygen generator to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a protective structure for a pipe interface of an oxygen concentrator, comprising an oxygen concentrator body and an external pipe, wherein an oxygen outlet pipe is fixedly connected through and to the inner wall of the oxygen concentrator body, a handle is fixedly connected to the top of the oxygen concentrator body, and a caster wheel is fixedly connected to the bottom of the oxygen concentrator body. A protective mechanism is provided inside the oxygen outlet pipe, the protective mechanism including a protective connecting pipe, and a perforation is provided on the outer wall of the protective connecting pipe.

[0006] As a further preferred embodiment of this technical solution, the inner wall of the oxygen outlet pipe is provided with a slide rail, and the inner wall of the oxygen outlet pipe is provided with a movable annular groove. The slide rail communicates with the movable annular groove, and a support plate is slidably connected to the inner wall of the movable annular groove.

[0007] As a further preferred embodiment of this technical solution, a spring is fixedly connected to the end of the movable annular groove away from the slide rail, and the end of the spring away from the movable annular groove is fixedly connected to the outer wall of the support plate.

[0008] As a further preferred embodiment of this technical solution, a limiting groove is formed on the inner wall of the oxygen outlet pipe, and a limiting block is fixedly connected to the outer wall of the protective connecting pipe. The vertical cross-sectional dimensions of the limiting groove are the same as those of the limiting block.

[0009] As a further preferred embodiment of this technical solution, the protective connecting pipe is provided with a fixing mechanism inside, and a first bracket is fixedly connected to the top end of the protective connecting pipe.

[0010] As a further preferred embodiment of this technical solution, a second bracket is fixedly connected to the bottom end of the protective connecting pipe, and a lead screw is rotatably connected through the outer walls of both the first and second brackets, with a knob fixedly connected to the outer wall of the lead screw.

[0011] As a further preferred embodiment of this technical solution, the end of the lead screw away from the knob is threaded through and connected to a movable rod, the movable rod is threaded through and slidably connected to the inner wall of the protective connecting tube, and the end of the movable rod away from the lead screw is fixedly connected to an arc-shaped clamping plate.

[0012] This utility model provides a protective structure for pipe interfaces in oxygen generators, which has the following beneficial effects: (1) In this utility model, the limiting block and the slide rail are aligned, the limiting block is inserted into the slide rail, and the protective connecting tube is pressed inward. The protective connecting tube squeezes the support plate. The support plate is squeezed and moves inside the movable annular groove and squeezes the spring. The spring is squeezed and is in a compressed state. At this time, the protective connecting tube is rotated, and the limiting block of the protective connecting tube is rotated ninety degrees. The inward squeezing force on the protective connecting tube is released. The spring is not affected by the external force and drives the support plate to reset by its own elasticity. The support plate is positioned to squeeze the protective connecting tube, thereby driving the limiting block to be inserted into the limiting groove and limiting the position of the protective connecting tube.

[0013] (2) In this utility model, the outer tube is inserted into the inside of the protective connecting tube through the perforation. At this time, the outer tube is located between the two arc-shaped clamping plates. The knob is turned, the knob drives the screw to rotate, the screw rotates and drives the moving rod to move vertically. The moving rod moves and drives the arc-shaped clamping plates to move. The arc-shaped clamping plates at the upper and lower ends move to fix the outer tube inside the protective connecting tube. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional appearance structure of this utility model; Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model; Figure 3 This is a schematic diagram of the protective mechanism structure of this utility model; Figure 4 This is a partial structural diagram of the protective mechanism of this utility model; Figure 5 This is a schematic diagram of the fixing mechanism of this utility model.

[0015] In the diagram: 1. Main body of the oxygen concentrator; 2. Handle; 3. Casters; 4. Oxygen outlet pipe; 5. External connecting pipe; 6. Protective mechanism; 61. Protective connecting pipe; 62. Perforation; 63. Slide rail; 64. Movable annular groove; 65. Spring; 66. Support plate; 67. Limiting groove; 68. Limiting block; 7. Fixing mechanism; 71. First bracket; 72. Second bracket; 73. Lead screw; 74. Knob; 75. Moving rod; 76. Arc-shaped clamping plate. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0017] This utility model provides a technical solution: such as Figures 1 to 5 As shown in this embodiment, a protective structure for the pipe interface of an oxygen concentrator includes an oxygen concentrator body 1 and an external pipe 5. An oxygen outlet pipe 4 is connected through and fixedly connected to the inner wall of the oxygen concentrator body 1. A handle 2 is fixedly connected to the top of the oxygen concentrator body 1, and a caster wheel 3 is fixedly connected to the bottom of the oxygen concentrator body 1. A protective mechanism 6 is provided inside the oxygen outlet pipe 4. The protective mechanism 6 includes a protective connecting pipe 61, and a perforation 62 is opened on the outer wall of the protective connecting pipe 61.

[0018] The inner wall of the oxygen outlet pipe 4 is provided with a slide rail 63 and a movable annular groove 64. The slide rail 63 and the movable annular groove 64 are connected, and a support plate 66 is slidably connected to the inner wall of the movable annular groove 64.

[0019] The movement of the protective connecting pipe 61 can be restricted by the movement of the limiting block 68 inside the slide rail 63.

[0020] Among them, a spring 65 is fixedly connected to the end of the movable annular groove 64 away from the slide rail 63, and the end of the spring 65 away from the movable annular groove 64 is fixedly connected to the outer wall of the support plate 66.

[0021] Spring 65 can drive the support plate 66 to reset without being affected by external force.

[0022] Among them, the inner wall of the oxygen outlet pipe 4 is provided with a limiting groove 67, and the outer wall of the protective connecting pipe 61 is fixedly connected with a limiting block 68. The vertical cross-sectional dimensions of the limiting groove 67 are the same as those of the limiting block 68.

[0023] By using the limiting block 68, which is inserted into the limiting groove 67, the protective connecting pipe 61 can be prevented from being pulled apart by external force.

[0024] The protective connecting pipe 61 is equipped with a fixing mechanism 7 inside, and the top end of the protective connecting pipe 61 is fixedly connected to a first bracket 71.

[0025] The fixing mechanism 7 can effectively fix the outer pipe 5 that needs to be connected to the inside of the protective connecting pipe 61.

[0026] The bottom end of the protective connecting pipe 61 is fixedly connected to a second bracket 72. The outer walls of the first bracket 71 and the second bracket 72 are both rotatably connected to a lead screw 73, and the outer wall of the lead screw 73 is fixedly connected to a knob 74.

[0027] The lead screw 73, when rotated, can drive the moving rod 75 to move vertically up and down.

[0028] Among them, the end of the lead screw 73 away from the knob 74 is threaded through and connected to a moving rod 75. The moving rod 75 is threaded through and slidably connected to the inner wall of the protective connecting tube 61. The end of the moving rod 75 away from the lead screw 73 is fixedly connected to an arc-shaped clamping plate 76.

[0029] By moving the movable rod 75, the arc-shaped clamping plate 76 can be driven to clamp and fix the external pipe 5.

[0030] This utility model provides a protective structure for a pipe interface of an oxygen generator, and its specific working principle is as follows: In use, insert the outer tube 5 into the interior of the protective connecting tube 61 through the perforation 62. At this time, the outer tube 5 is located between the two arc-shaped clamping plates 76. Turn the knob 74, which drives the lead screw 73 to rotate. The rotation of the lead screw 73 drives the moving rod 75 to move vertically. The movement of the moving rod 75 drives the arc-shaped clamping plates 76 to move. The movement of the arc-shaped clamping plates 76 at both ends fixes the outer tube 5 inside the protective connecting tube 61. After fixing the outer tube 5, align the limiting block 68 with the slide rail 63, insert the limiting block 68 into the interior of the slide rail 63, and press the protective connecting tube 61 inward to secure the protective connection. The tube 61 presses against the support plate 66, causing the support plate 66 to move inside the movable annular groove 64 and press against the spring 65. The spring 65 is compressed. At this time, the protective connecting tube 61 is rotated, and the protective connecting tube 61 rotates 90 degrees against the limiting block 68, releasing the inward pressing force on the protective connecting tube 61. The spring 65 is not affected by external force and drives the support plate 66 to reset by its own elasticity. The support plate 66 is positioned to press against the protective connecting tube 61, thereby driving the limiting block 68 to insert into the limiting groove 67, thus limiting the position of the protective connecting tube 61.

[0031] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pipeline interface protection structure for an oxygen generator, comprising an oxygen generator main body (1) and an external pipe (5), characterized in that: The oxygen generator body (1) has an oxygen outlet pipe (4) that is fixedly connected to the inner wall of the body. The oxygen generator body (1) has a handle (2) that is fixedly connected to the top. The oxygen generator body (1) has a caster wheel (3) that is fixedly connected to the bottom. The oxygen outlet pipe (4) has a protective mechanism (6) inside. The protective mechanism (6) includes a protective connecting pipe (61). The outer wall of the protective connecting pipe (61) has a perforation (62).

2. The pipe interface protection structure for an oxygen generator according to claim 1, characterized in that: The inner wall of the oxygen outlet pipe (4) is provided with a slide rail (63) and a movable annular groove (64). The slide rail (63) and the movable annular groove (64) are connected. The inner wall of the movable annular groove (64) is slidably connected with a support plate (66).

3. The pipe interface protection structure for an oxygen generator according to claim 2, characterized in that: A spring (65) is fixedly connected to one end of the movable annular groove (64) away from the slide rail (63), and the other end of the spring (65) away from the movable annular groove (64) is fixedly connected to the outer wall of the support plate (66).

4. The pipe interface protection structure for an oxygen generator according to claim 3, characterized in that: The inner wall of the oxygen outlet pipe (4) is provided with a limiting groove (67), and the outer wall of the protective connecting pipe (61) is fixedly connected with a limiting block (68). The vertical cross-sectional dimensions of the limiting groove (67) are the same as those of the limiting block (68).

5. The pipe interface protection structure for an oxygen generator according to claim 4, characterized in that: The protective connecting pipe (61) is provided with a fixing mechanism (7) inside, and the top end of the protective connecting pipe (61) is fixedly connected to a first bracket (71).

6. The pipe interface protection structure for an oxygen generator according to claim 5, characterized in that: The bottom end of the protective connecting pipe (61) is fixedly connected to a second bracket (72). The outer walls of the first bracket (71) and the second bracket (72) are both connected to a lead screw (73) that is rotatably connected. The outer wall of the lead screw (73) is fixedly connected to a knob (74).

7. The pipe interface protection structure for an oxygen generator according to claim 6, characterized in that: The end of the lead screw (73) away from the knob (74) is threaded through and connected to a moving rod (75). The moving rod (75) is threaded through and slidably connected to the inner wall of the protective connecting tube (61). The end of the moving rod (75) away from the lead screw (73) is fixedly connected to an arc-shaped clamping plate (76).