An oxygen supply device for preventing pipeline detachment

Abstract

The present invention discloses an oxygen supply device for preventing pipeline detachment, which relates to the technical field of medical devices. It includes a box body, an oxygen cylinder and an oxygen supply breathing valve arranged in the box body. The oxygen supply breathing valve is arranged at the air outlet of the oxygen cylinder. The air outlet of the oxygen supply breathing valve is connected with an air outlet pipe. One end of the air outlet pipe communicates with the oxygen supply breathing valve, and the other end of the air outlet pipe is connected with a breathing mask. A sleeve is arranged on the box body, a limiting rotation hole is arranged on the inner wall of the sleeve, a rotating shaft is rotatably arranged inside the limiting rotation hole of the sleeve, torsion springs are arranged at both ends of the rotating shaft, one end of the torsion spring is connected with the inner wall of the limiting rotation hole of the sleeve, and the other end of the torsion spring is connected with the radial surface of the rotating shaft. A flexible sleeve shaft is arranged in the middle of the rotating shaft, and a threaded recess is arranged on the radial surface of the flexible sleeve shaft. The middle part of the air outlet pipe penetrates through the sleeve and is wound in the recess of the flexible sleeve shaft. The present invention can effectively avoid the oxygen supply interruption or leakage caused by the loosening of the air outlet pipe.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an oxygen supply device for preventing pipeline detachment. Background Art

[0002] Currently, an oxygen supply device is a device for supplying oxygen to the human body. It usually consists of an oxygen source, a gas delivery system, and an oxygen interface. Through the oxygen supply device, oxygen is delivered to the patient's respiratory tract to meet their body's oxygen needs.

[0003] During the use of the existing oxygen supply device, due to the patient's frequent activities when using the oxygen supply device, such as getting up, sitting up, or turning around, etc., when the air outlet pipe is pulled by an external force, it will increase the risk of the air outlet pipe falling off, resulting in oxygen supply interruption or leakage. Summary of the Invention

[0004] The present application provides an oxygen supply device for preventing pipeline detachment, which can effectively avoid oxygen supply interruption or leakage caused by the loosening of the air outlet pipe.

[0005] An oxygen supply device for preventing pipeline detachment provided by the present application adopts the following technical solutions:

[0006] An oxygen supply device for preventing pipeline detachment includes a box body, an oxygen cylinder disposed in the box body, and an oxygen supply breathing valve. The oxygen supply breathing valve is disposed at the air outlet of the oxygen cylinder. The air outlet of the oxygen supply breathing valve is connected with an air outlet pipe. One end of the air outlet pipe communicates with the oxygen supply breathing valve, and the other end of the air outlet pipe is connected with a breathing mask. A sleeve is provided on the box body. A limiting rotation hole is provided on the inner wall of the sleeve. A rotating shaft is rotatably disposed inside the limiting rotation hole of the sleeve. Torsion springs are provided at both ends of the rotating shaft. One end of the torsion spring is connected with the inner wall of the limiting rotation hole of the sleeve, and the other end of the torsion spring is connected with the radial surface of the rotating shaft. A flexible sleeve shaft is provided in the middle of the rotating shaft. A threaded recess is provided on the radial surface of the flexible sleeve shaft. The middle part of the air outlet pipe penetrates through the sleeve and is wound in the recess of the flexible sleeve shaft.

[0007] By adopting the above technical solutions, since the middle part of the air outlet pipe is wound on the outer surface of the flexible sleeve shaft, when the air outlet pipe is pulled by an external force, the external force will cause the rotating shaft to drive the flexible sleeve shaft to rotate, so that the air outlet pipe disengages from the threaded recess on the surface of the flexible sleeve shaft. Through the rotation of the flexible sleeve shaft, the air outlet pipe disengages from the threaded recess on the surface of the flexible sleeve shaft, thereby realizing the extension of the air outlet pipe, making the air outlet pipe more firmly connected to the oxygen supply device, and reducing the risk of detachment; when the external force disappears, the reverse rotation and reset of the rotating shaft will fix the air outlet pipe in the threaded recess again, ensuring the firm connection of the air outlet pipe and avoiding oxygen supply interruption or leakage caused by loosening; this helps to ensure the safety of users.

[0008] Preferably, a partition is provided inside the box body, and the partition divides the internal space of the box body into an accommodation cavity for accommodating an oxygen supply breathing valve and a placement cavity for placing an oxygen cylinder from top to bottom in sequence.

[0009] By adopting the above technical solution, the internal space of the box body is separated by the partition, and the oxygen supply breathing valve and the oxygen cylinder are stored separately, which can reduce the safety risks caused by accidental collision or friction.

[0010] Preferably, a plurality of oxygen cylinders are provided, and adjacent oxygen cylinders are communicated through a connecting pipe, and a solenoid valve is provided on the connecting pipe.

[0011] By adopting the above technical solution, through the combination of the connecting pipe and the solenoid valve, a plurality of oxygen cylinders can be connected together to extend the oxygen supply time; when one oxygen cylinder is exhausted, it can be immediately switched to the next oxygen cylinder to avoid oxygen supply interruption and improve the oxygen utilization efficiency and oxygen supply time.

[0012] Preferably, a first protective cover is provided at one end of the sleeve, and a second protective cover is provided at the other end of the sleeve. The first protective cover is fixedly arranged on the sleeve, and the second protective cover is detachably arranged with respect to the sleeve. The air outlet pipe penetrates through the inside of the first protective cover.

[0013] By adopting the above technical solution, by respectively providing a first protective cover and a second protective cover at both ends of the sleeve, the first protective cover and the second protective cover of the sleeve form a protective layer, which can prevent external objects from bending and damaging the air outlet pipe; in this way, the integrity of the air outlet pipe can be maintained to ensure the normal flow and transmission of gas; the detachable design between the second protective cover and the sleeve enables the second protective cover to be conveniently detached for maintenance and replacement; when cleaning, overhauling or replacing the air outlet pipe inside the sleeve and other operations are required, the second protective cover can be directly removed without disassembling the entire sleeve, saving time and effort.

[0014] Preferably, a clamping strip is provided on the inner surface of the sleeve, and a plurality of clamping openings for the clamping strip to pass through are provided at one end of the second protective cover close to the sleeve.

[0015] By adopting the above technical solution, the design of the clamping strip and the clamping opening can keep the second protective cover firmly fixed to the sleeve; by passing the clamping strip through the clamping opening, it can ensure that the second protective cover is firmly fixed on the sleeve, avoiding loosening or shaking during use and increasing the stability between the second protective cover and the sleeve; and the setting of the clamping strip and the clamping opening can effectively prevent the second protective cover from shifting during use.

[0016] Preferably, the second protective cover forms a claw hand at the position of the clamping opening, and a sealing airbag is provided on the outer surface of the claw hand.

[0017] By adopting the above technical solution, a sealing airbag is arranged on the outer surface of the gripper of the second protective cover. The sealing airbag can form a better sealing effect between the second protective cover and the sleeve. By inflating the sealing airbag, a tight seal can be formed between the gripper and the sleeve to prevent gases, liquids or solid particles from entering the interior of the second protective cover, thereby protecting the oxygen supply device from the influence of the external environment.

[0018] Preferably, a fixed cylinder is arranged at the central position inside the second protective cover. A sliding cylinder is slidably arranged on the fixed cylinder. A spring is arranged between the sliding cylinder and the fixed cylinder. The air outlet pipe passes through the interiors of the fixed cylinder and the sliding cylinder and is fixedly connected to the sliding cylinder.

[0019] By adopting the above technical solution, when the air outlet pipe is pulled by an external force, a relative displacement occurs between the sliding cylinder and the fixed cylinder, and the spring will be compressed or stretched, thereby playing a buffering role. The spring can absorb the impact and vibration of the external force, protect the air outlet pipe from damage, and extend the service life of the air outlet pipe.

[0020] Preferably, a special-shaped channel is arranged inside the fixed cylinder. One end of the sliding cylinder penetrates and slides in the special-shaped channel of the fixed cylinder. A baffle is arranged at the other end of the sliding cylinder. One end of the spring is connected to the baffle, and the other end of the spring is connected to the fixed cylinder.

[0021] By adopting the above technical solution, through the design of the special-shaped channel, the sliding of the sliding cylinder inside the fixed cylinder is restricted and guided to a certain extent. The special-shaped channel can ensure that the sliding cylinder moves along a predetermined trajectory during the movement, avoiding deviation or swaying, increasing the stability and accuracy of the system. Moreover, one end of the sliding cylinder penetrates and slides in the special-shaped channel of the fixed cylinder, which can prevent the sliding cylinder from rotating during the movement. The shape and size of the special-shaped channel can limit the free rotation of the sliding cylinder to ensure that it maintains a fixed direction, making the movement of the system more stable and controllable.

[0022] Preferably, one end of the fixed cylinder is connected to a spring, and an installation block is arranged at the other end of the fixed cylinder. An arc-shaped groove is arranged inside the installation block. The arc-shaped groove communicates with the fixed cylinder. Universal adjustment balls are arranged inside the arc-shaped groove of the installation block. A limiting through hole for the air outlet pipe to pass through is arranged inside the universal adjustment ball.

[0023] By adopting the above technical solution, radial bending of the air outlet pipe may cause problems such as pipeline damage, blocked oxygen flow, leakage, etc. When the air outlet pipe is stretched in different directions, the universal adjustment balls rotate adaptively in the arc-shaped groove of the installation block, so that the universal adjustment balls can keep the air outlet pipe in a straight shape to avoid radial bending of the air outlet pipe, ensuring normal fluid transmission and working efficiency.

[0024] Preferably, a pressure gauge is provided on the oxygen supply breathing valve.

[0025] By adopting the above technical solution, the pressure gauge can provide real-time oxygen supply pressure information, enabling the user to know the working state of the oxygen supply system at any time; the user can judge whether the oxygen supply system is operating normally according to the reading of the pressure gauge, avoiding problems caused by too high or too low oxygen supply pressure.

[0026] In summary, the present application has the following beneficial effects:

[0027] 1. Since the middle part of the air outlet pipe is wound around the outer surface of the flexible sleeve shaft, when the air outlet pipe is pulled by an external force, the external force will cause the rotating shaft to drive the flexible sleeve shaft to rotate, so that the air outlet pipe disengages from the threaded concave part on the surface of the flexible sleeve shaft. By the rotation of the flexible sleeve shaft, the air outlet pipe disengages from the threaded concave part on the surface of the flexible sleeve shaft, thus realizing the extension of the air outlet pipe, making the air outlet pipe more firmly connected to the oxygen supply device and reducing the risk of detachment; when the external force disappears, the reverse reset of the rotating shaft will fix the air outlet pipe back into the threaded concave part, ensuring the firm connection of the air outlet pipe and avoiding oxygen supply interruption or leakage caused by loosening; this helps to ensure the safety of users. Description of the Drawings

[0028] Figure 1 is the overall structural schematic diagram of the oxygen supply device in this embodiment;

[0029] Figure 2 is the overall structural sectional view of the oxygen supply device in this embodiment;

[0030] Figure 3 is the explosion sectional view between the first protective cover and the second protective cover in this embodiment;

[0031] Figure 4 is the overall structural schematic diagram between the first protective cover and the second protective cover in this embodiment;

[0032] Description of the reference numerals: 1. Box body; 2. Oxygen cylinder; 3. Oxygen supply breathing valve; 4. Air outlet pipe; 5. Respiratory mask; 6. Partition board; 7. Connecting pipe; 8. Solenoid valve; 9. Pressure gauge; 10. Sleeve; 11. Rotating shaft; 12. Flexible sleeve shaft; 13. Concave part; 14. First protective cover; 15. Second protective cover; 16. Clamping strip; 17. Bayonet; 18. Sealing airbag; 19. Fixed cylinder; 20. Sliding cylinder; 21. Spring; 22. Baffle; 23. Installation block; 24. Universal adjustment ball. Detailed Embodiment

[0033] The following further describes the present application in conjunction with the accompanying drawings. It is necessary to point out here that the following specific embodiments are only used to further illustrate the present application and cannot be construed as limiting the protection scope of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0034] The present invention discloses an oxygen supply device for preventing pipeline detachment, as Figure 1 and Figure 2 shown, which includes a box body 1, an oxygen cylinder 2 disposed inside the box body 1, and an oxygen supply breathing valve 3. The oxygen supply breathing valve 3 is disposed at the air outlet of the oxygen cylinder 2. An air outlet pipe 4 is connected to the air outlet of the oxygen supply breathing valve 3. One end of the air outlet pipe 4 communicates with the oxygen supply breathing valve 3, and the other end of the air outlet pipe 4 is connected to a breathing mask 5. A partition 6 is provided inside the box body 1. The partition 6 divides the internal space of the box body 1 into an accommodation chamber for accommodating the oxygen supply breathing valve 3 and a placement chamber for placing the oxygen cylinder 2 from top to bottom in sequence; by providing the partition 6, the internal space of the box body 1 is divided into different areas to accommodate the oxygen supply breathing valve 3 and place the oxygen cylinder 2; in this way, the space can be effectively utilized, making the internal layout more orderly and convenient for use and management; and by separating the internal space of the box body 1 through the partition 6, the oxygen supply breathing valve 3 and the oxygen cylinder 2 are stored separately, which can reduce the safety risks caused by accidental collisions or frictions; at the same time, it prevents the oxygen cylinder 2 from contacting the oxygen supply breathing valve 3, preventing oxygen leakage or other accidents and improving the safety of use; placing the oxygen supply breathing valve 3 and the oxygen cylinder 2 separately can facilitate maintenance personnel to perform repairs and replacements; when repairs or replacements are needed, only the corresponding area needs to be operated, without interfering with the normal use of other parts, improving the efficiency and convenience of maintenance; by separating the oxygen supply breathing valve 3 and the oxygen cylinder 2 through the partition 6, the occurrence of confusion and cross-contamination can be prevented; storing the oxygen supply breathing valve 3 and the oxygen cylinder 2 separately avoids the oxygen in the oxygen cylinder 2 from contacting other substances, reducing the risks of accidental accidents and cross-infections; in summary, the partition 6 is provided inside the box body 1 to be divided into an accommodation chamber and a placement chamber, which has the advantages of improving safety, facilitating maintenance and replacement, and preventing confusion and cross-contamination, etc.; several oxygen cylinders 2 are provided, and adjacent oxygen cylinders 2 are connected through a communication pipe 7, and a solenoid valve 8 is provided on the communication pipe 7; through the combination of the communication pipe 7 and the solenoid valve 8, multiple oxygen cylinders 2 can be connected together to extend the oxygen supply time; when one oxygen cylinder 2 is exhausted, it can be immediately switched to the next oxygen cylinder 2 to avoid oxygen supply interruption and improve the oxygen utilization efficiency and oxygen supply time.

[0035] As Figure 2As shown, a pressure gauge 9 is provided on the oxygen supply breathing valve 3; the pressure gauge 9 can provide real-time oxygen supply pressure information, enabling the user to know the working status of the oxygen supply system at any time; the user can judge whether the oxygen supply system is operating normally based on the reading of the pressure gauge 9, avoiding problems caused by too high or too low oxygen supply pressure; by monitoring the pressure of the oxygen cylinder 2 through the oxygen supply breathing valve 3, abnormal conditions in the oxygen supply system, such as too high or too low pressure, can be detected in a timely manner, so as to take corresponding measures for adjustment or repair and avoid potential safety risks; the pressure gauge 9 provides an accurate reading of the oxygen supply pressure, and the user can perform precise pressure adjustment according to needs; this is particularly important for some specific application scenarios, such as the oxygen supply in medical equipment, where precise oxygen supply control is required according to the needs of patients; in summary, the pressure gauge 9 provided on the oxygen supply breathing valve 3 can provide real-time monitoring, increase safety, and achieve precise control; these benefits can help the user ensure the normal operation of the oxygen supply system and improve the effect and safety of oxygen supply.

[0036] As Figure 2 and Figure 3 As shown, a sleeve 10 is provided on the box body 1, a limiting rotation hole is provided on the inner wall of the sleeve 10, a rotating shaft 11 is rotatably provided inside the limiting rotation hole of the sleeve 10, torsion springs are provided at both ends of the rotating shaft 11, one end of the torsion spring is connected to the inner wall of the limiting rotation hole of the sleeve 10, and the other end of the torsion spring is connected to the radial surface of the rotating shaft 11. A flexible sleeve shaft 12 is provided in the middle of the rotating shaft 11, and a threaded recess 13 is provided on the radial surface of the flexible sleeve shaft 12. The middle part of the air outlet pipe 4 penetrates through the sleeve 10 and is wound in the recess 13 of the flexible sleeve shaft 12; since the middle part of the air outlet pipe 4 is wound on the outer surface of the flexible sleeve shaft 12, when the air outlet pipe 4 is pulled by an external force, the external force will cause the rotating shaft 11 to drive the flexible sleeve shaft 12 to rotate, so that the air outlet pipe 4 is separated from the threaded recess 13 on the surface of the flexible sleeve shaft 12. By rotating the flexible sleeve shaft 12, the air outlet pipe 4 is separated from the threaded recess on the surface of the flexible sleeve shaft 12, thereby realizing the extension of the air outlet pipe 4, making the air outlet pipe 4 more firmly connected to the oxygen supply equipment and reducing the risk of detachment; when the air outlet pipe 4 is pulled by an external force, the rotation of the flexible sleeve shaft 12 can play a buffering role, effectively reducing the impact of the external force on the air outlet pipe 4 and reducing the possibility of the air outlet pipe 4 being broken or damaged; when the external force disappears, the reverse reset of the rotating shaft 11 will fix the air outlet pipe 4 back in the threaded recess 13, ensuring the firm connection of the air outlet pipe 4 and avoiding oxygen supply interruption or leakage caused by loosening; this helps to ensure the safety of users; after the air outlet pipe 4 is re-received into the recess 13, the connection of the air outlet pipe 4 becomes more firm, reducing the risk of the air outlet pipe 4 loosening or breaking and improving the reliability and stability of the oxygen supply equipment.

[0037] As Figure 3As shown, a first protective cover 14 is provided at one end of the sleeve 10, and a second protective cover 15 is provided at the other end of the sleeve 10. The first protective cover 14 is fixedly arranged on the sleeve 10, and the second protective cover 15 is detachably arranged with respect to the sleeve 10. The air outlet pipe 4 passes through the inside of the first protective cover 14; by providing the first protective cover 14 and the second protective cover 15 at both ends of the sleeve 10 respectively, the first protective cover 14 and the second protective cover 15 of the sleeve 10 form a protective layer, which can prevent external objects from bending and damaging the air outlet pipe 4; this can maintain the integrity of the air outlet pipe 4 and ensure the normal flow and transmission of gas; through the protection of the first protective cover 14 and the second protective cover 15, the situation where the air outlet pipe 4 needs to be frequently maintained and replaced due to bending or damage can be reduced; the air outlet pipe 4 is protected, which can extend the service life of the air outlet pipe 4, reduce the frequency of maintenance and replacement, and lower the maintenance cost and workload; and the setting of the first protective cover 14 and the second protective cover 15 can play a protective role, avoid the bending and damage of the air outlet pipe 4, thereby reducing possible gas leakage and safety risks; the design of protecting the sleeve 10 can improve the operating safety of the entire system and ensure the safety of personnel and equipment; in summary, by providing the first protective cover 14 and the second protective cover 15 at both ends of the sleeve 10, the integrity of the air outlet pipe 4 can be protected, the smoothness of gas flow can be ensured, the frequency of maintenance and replacement can be reduced, and the safety of the system can be improved; the detachable design between the second protective cover 15 and the sleeve 10 not only enables the second protective cover 15 to be easily detached for maintenance and replacement; when cleaning, overhauling or replacing the air outlet pipe 4 inside the sleeve 10 and other operations are required, the second protective cover 15 can be directly removed without disassembling the entire sleeve 10, saving time and effort; and it makes the cleaning and maintenance work more convenient; the second protective cover 15 can be separately removed for thorough cleaning and maintenance, avoiding pollution and accumulation, and maintaining the good operating state of the oxygen supply equipment; a clamping strip 16 is provided on the inner surface of the sleeve 10, and a plurality of clamping openings 17 for the clamping strip 16 to pass through are provided at one end of the second protective cover 15 close to the sleeve 10; the design of the clamping strip 16 and the clamping openings 17 can keep the second protective cover 15 firmly fixed to the sleeve 10; by passing the clamping strip 16 through the clamping openings 17, it can be ensured that the second protective cover 15 is firmly fixed on the sleeve 10, avoiding loosening or shaking during use and increasing the stability between the second protective cover 15 and the sleeve 10; and the setting of the clamping strip 16 and the clamping openings 17 can effectively prevent the second protective cover 15 from shifting during use; the second protective cover 15 forms a claw hand at the position of the clamping opening 17, and a sealing airbag 18 is provided on the outer surface of the claw hand; by providing the sealing airbag 18 on the outer surface of the gripper of the second protective cover 15, the sealing airbag 18 can form a better sealing effect between the second protective cover 15 and the sleeve 10;By inflating and sealing the airbag 18, a tight seal can be formed between the claw hand and the sleeve 10 to prevent gas, liquid or solid particles from entering the interior of the second protective cover 15, thereby protecting the oxygen supply device from the external environment.

[0038] As Figure 3 shown, a fixed cylinder 19 is provided at the central position inside the second protective cover 15. A sliding cylinder 20 is slidably provided on the fixed cylinder 19. A spring 21 is provided between the sliding cylinder 20 and the fixed cylinder 19. The air outlet pipe 4 passes through the interiors of the fixed cylinder 19 and the sliding cylinder 20 and is fixedly connected to the sliding cylinder 20. When the air outlet pipe 4 is pulled by an external force, a relative displacement occurs between the sliding cylinder 20 and the fixed cylinder 19, and the spring 21 will be compressed or stretched, thus playing a buffering role. The spring 21 can absorb the impact and vibration of the external force, protect the air outlet pipe 4 from being damaged, and extend the service life of the air outlet pipe 4. An irregular channel is provided inside the fixed cylinder 19. One end of the sliding cylinder 20 passes through and slides in the irregular channel of the fixed cylinder 19. A baffle 22 is provided at the other end of the sliding cylinder 20. One end of the spring 21 is connected to the baffle 22, and the other end of the spring 21 is connected to the fixed cylinder 19. Through the design of the irregular channel, the sliding of the sliding cylinder 20 inside the fixed cylinder 19 is restricted and guided to a certain extent. The irregular channel can ensure that the sliding cylinder 20 moves along a predetermined trajectory during movement, avoid deviation or swaying, increase the stability and accuracy of the system, and one end of the sliding cylinder 20 passes through and slides in the irregular channel of the fixed cylinder 19, which can prevent the sliding cylinder 20 from rotating during movement. The shape and size of the irregular channel can limit the free rotation of the sliding cylinder 20 to ensure that it maintains a fixed direction, making the movement of the system more stable and controllable.

[0039] As Figure 3 and Figure 4As shown, one end of the fixed cylinder 19 is connected to a spring 21. The other end of the fixed cylinder 19 is provided with a mounting block 23. An arc-shaped groove is provided inside the mounting block 23. The arc-shaped groove communicates with the fixed cylinder 19. Inside the arc-shaped groove of the mounting block 23, there is a universal adjusting ball 24. Inside the universal adjusting ball 24, there is a limit through-hole for the air outlet pipe 4 to pass through. The radial bending of the air outlet pipe 4 may cause problems such as pipeline damage, blocked oxygen flow, and leakage. When the air outlet pipe 4 is stretched in different directions, the universal adjusting ball 24 adaptively rotates inside the arc-shaped groove of the mounting block 23, so that the universal adjusting ball 24 can keep the air outlet pipe 4 in a straight shape, to avoid the radial bending of the air outlet pipe 4; ensuring normal fluid transmission and working efficiency; and when the universal adjusting ball 24 rotates inside the arc-shaped groove of the mounting block 23, it can play a certain buffering role; it can absorb the impact and vibration of the tensile force, reduce the influence of external force on the air outlet pipe 4, thereby protecting the air outlet pipe 4 from damage; moreover, the universal adjusting ball 24 has a certain elastic adaptability and can freely rotate according to the change of the stretching direction; this elastic adaptability enables the air outlet pipe 4 to adapt to the stretching in different angles and directions, maintaining its freedom and flexibility, and improving the reliability and stability of the system; the rotation of the universal adjusting ball 24 can reduce the stress concentration on the air outlet pipe 4; when the air outlet pipe 4 is stretched, the rotation of the universal adjusting ball 24 can evenly disperse the tensile force, reduce the degree of stress concentration, lower the stress level of the air outlet pipe 4, and improve the durability and reliability of the system; in summary, through the adaptive rotation of the universal adjusting ball 24 inside the arc-shaped groove of the mounting block 23, the radial bending of the air outlet pipe 4 can be avoided, which has the advantages of avoiding damage, buffering, elastic adaptability, and reducing stress concentration; these characteristics can protect the integrity of the air outlet pipe 4 and related equipment, improve the reliability and stability of the system, and ensure normal fluid transmission and working efficiency.

[0040] Working principle: Before use, the user first detects the sealing performance of the connection between the air outlet pipe 4, the oxygen supply and breathing valve 3, and the breathing mask 5, and starts the external power supply of the device. After the device has worked for a period of time and the pressure value monitored by the pressure gauge 9 reaches the standard, the user wears the breathing mask 5, and the oxygen in the oxygen cylinder 2 enters the breathing mask 5 along the air outlet pipe 4.

[0041] When the air outlet pipe 4 is subjected to a slight pulling external force, a relative displacement occurs between the sliding cylinder 20 and the fixed cylinder 19, and the spring 21 will be compressed or stretched, thus playing a buffering role; the spring 21 can absorb the impact and vibration of the external force, protect the air outlet pipe 4 from damage, and extend the service life of the air outlet pipe 4.

[0042] When the air outlet pipe 4 is subjected to a large external pulling force, the second protective cover 15 will be disconnected from the sleeve 10. Since the middle part of the air outlet pipe 4 is wound around the outer surface of the flexible sleeve shaft 12, when the air outlet pipe 4 is subjected to an external pulling force, the external pulling force will cause the rotating shaft 11 to drive the flexible sleeve shaft 12 to rotate, so that the air outlet pipe 4 is separated from the threaded concave part 13 on the surface of the flexible sleeve shaft 12. By rotating the flexible sleeve shaft 12, the air outlet pipe 4 is separated from the threaded concave part 13 on the surface of the flexible sleeve shaft 12, thereby realizing the extension of the air outlet pipe 4, so that the air outlet pipe 4 is more firmly connected to the oxygen supply device and the risk of falling off is reduced.

[0043] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. An oxygen supply device for preventing pipeline detachment, comprising a box body (1), an oxygen cylinder (2) and an oxygen supply breathing valve (3) arranged inside the box body (1). The oxygen supply breathing valve (3) is arranged at the air outlet of the oxygen cylinder (2). The air outlet of the oxygen supply breathing valve (3) is connected with an air outlet pipe (4). One end of the air outlet pipe (4) communicates with the oxygen supply breathing valve (3), and the other end of the air outlet pipe (4) is connected with a breathing mask (5), characterized in that: A sleeve (10) is provided on the box body (1). A limiting rotation hole is provided on the inner wall of the sleeve (10). A rotating shaft (11) is rotatably provided inside the limiting rotation hole of the sleeve (10). Both ends of the rotating shaft (11) are provided with torsion springs. One end of the torsion spring is connected to the inner wall of the limiting rotation hole of the sleeve (10), and the other end of the torsion spring is connected to the radial surface of the rotating shaft (11). A flexible sleeve shaft (12) is provided in the middle of the rotating shaft (11). A threaded concave portion (13) is provided on the radial surface of the flexible sleeve shaft (12). The middle of the air outlet pipe (4) penetrates through the sleeve (10) and is wound in the concave portion (13) of the flexible sleeve shaft (12). A first protective cover (14) is provided at one end of the sleeve (10), and a second protective cover (15) is provided at the other end of the sleeve (10). The first protective cover (14) is fixedly provided on the sleeve (10), and the second protective cover (15) is detachably arranged with respect to the sleeve (10). The air outlet pipe (4) penetrates through the inside of the first protective cover (14). A fixed cylinder (19) is provided at the central position inside the second protective cover (15). A sliding cylinder (20) is slidably provided on the fixed cylinder (19). A spring (21) is provided between the sliding cylinder (20) and the fixed cylinder (19). The air outlet pipe (4) penetrates through the inside of the fixed cylinder (19) and the sliding cylinder (20) and is fixedly connected to the sliding cylinder (20). A special-shaped channel is provided inside the fixed cylinder (19). One end of the sliding cylinder (20) penetrates and slides in the special-shaped channel of the fixed cylinder (19). A baffle (22) is provided at the other end of the sliding cylinder (20). One end of the spring (21) is connected to the baffle (22), and the other end of the spring (21) is connected to the fixed cylinder (19). One end of the fixed cylinder (19) is connected to the spring (21), and an installation block (23) is provided at the other end of the fixed cylinder (19). An arc-shaped groove is provided inside the installation block (23). The arc-shaped groove communicates with the fixed cylinder (19). A universal adjusting ball (24) is provided inside the arc-shaped groove of the installation block (23). A limiting through hole for the air outlet pipe (4) to pass through is provided inside the universal adjusting ball (24).

2. The oxygen supply device for preventing pipeline detachment according to claim 1, wherein: A partition plate (6) is provided inside the box body (1). The partition plate (6) divides the internal space of the box body (1) into an accommodation cavity for accommodating the oxygen supply breathing valve (3) and a placement cavity for placing the oxygen cylinder (2) from top to bottom in sequence.

3. The oxygen supply device for preventing pipeline detachment according to claim 2, characterized in that: A plurality of oxygen cylinders (2) are provided, and adjacent oxygen cylinders (2) are communicated through a connecting pipe (7). An electromagnetic valve (8) is provided on the connecting pipe (7).

4. The oxygen supply device for preventing pipeline detachment according to claim 1, characterized in that: A clamping strip (16) is provided on the inner surface of the sleeve (10). A plurality of clamping openings (17) for the clamping strip (16) to pass through are provided at one end of the second protective cover (15) close to the sleeve (10).

5. The oxygen supply device for preventing pipeline detachment according to claim 1, characterized in that: The second protective cover (15) forms a claw hand at the position of the clamping opening (17). A sealing air bag (18) is provided on the outer surface of the claw hand.

6. The oxygen supply device for preventing pipeline detachment according to claim 1, characterized in that: A pressure gauge (9) is provided on the oxygen supply breathing valve (3).

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