CN220256908U - Adjustable oxygen therapy tube - Google Patents

Abstract

The utility model belongs to the technical field of oxygen delivery devices, and discloses an adjustable oxygen delivery tube, which comprises a front-end oxygen delivery tube, a middle oxygen delivery tube and a rear-end oxygen delivery tube, wherein a furling box is arranged on the middle oxygen delivery tube, a lock catch is fixedly connected to the outer wall of the furling box, the rear end of the front-end oxygen delivery tube is connected with the front end of the middle oxygen delivery tube through a first quick pipe joint, two nasal obstruction tubes are arranged at the front end of the front-end oxygen delivery tube, the front end of the rear-end oxygen delivery tube is connected with the furling box through a rotary joint, and the rear end of the rear-end oxygen delivery tube is connected with an oxygen outlet hole of a humidifying bottle through a second quick pipe joint; according to the utility model, the oxygen therapy tube is arranged into a detachable three-section structure, so that the oxygen therapy tube is convenient to disassemble and replace, the length of the oxygen therapy tube is convenient to adjust by arranging the furling box, the redundant length of the oxygen therapy tube is convenient to be stored into the furling box, the oxygen therapy tube is prevented from being wound and knotted, the length of the oxygen therapy tube is convenient to be limited by arranging the oxygen therapy tube limiting mechanism, and the convenience and safety of using the oxygen therapy tube are improved.

Description

Adjustable oxygen therapy tube

Technical Field

The utility model relates to an adjustable oxygen therapy tube, and belongs to the technical field of oxygen therapy devices.

Background

Many diseases in the clinic lead to hypoxia and oxygen therapy is needed to improve symptoms. However, in daily use, the length of the existing oxygen therapy tube is not adjustable. In order to ensure that each patient bed can be connected to and used with an oxygen therapy tube, the oxygen therapy tube with longer size needs to be purchased, and unnecessary waste is caused. The oxygen therapy tube is overlong, so that the redundant oxygen therapy tube at one end is not placed in place, the oxygen therapy tube needs to be coiled around a sickbed, and the oxygen therapy tube is not connected due to the fact that the oxygen therapy tube is extruded or folded, so that adverse effects are caused on nursing of patients, and therefore the adjustable oxygen therapy tube convenient to adjust the length of the oxygen therapy tube is needed, and the convenience and safety of using the oxygen therapy tube are improved.

Disclosure of Invention

The utility model aims to provide an adjustable oxygen therapy tube.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an oxygen therapy tube with adjustable, includes front end oxygen therapy tube, middle oxygen therapy tube and rear end oxygen therapy tube, be equipped with the roll-up box on the middle oxygen therapy tube, the outer wall fixedly connected with hasp of roll-up box, the rear end of front end oxygen therapy tube is connected with the front end of middle oxygen therapy tube through first quick coupling, the front end of front end oxygen therapy tube is equipped with two nasal obstruction pipes, the front end of rear end oxygen therapy tube is connected with the roll-up box through rotary joint, the rear end of rear end oxygen therapy tube is connected with the oxygen venthole of humidifying bottle through the quick coupling of second.

Preferably, the roll-up box includes the box body, rotate in the box body and connect the roll-up section of thick bamboo, the roll-up section of thick bamboo rotates through pivot and box body inner wall to be connected, the intercommunicating pore has been seted up to one side of pivot, the inner and the middle oxygen therapy pipe fixed connection of intercommunicating pore to be linked together, the outer end and the rotary joint of intercommunicating pore are connected, the both sides of roll-up section of thick bamboo are connected with the wind spring, middle oxygen therapy pipe winds on the roll-up section of thick bamboo, the front end activity of middle oxygen therapy pipe runs through the lateral wall of roll-up box and extends to the roll-up box outside and be connected with the rear end of front end oxygen therapy pipe, the top of roll-up box, be close to front end oxygen therapy pipe one end and be equipped with oxygen therapy pipe stop gear.

Preferably, the oxygen therapy tube limiting mechanism comprises two arc clamping blocks which clamp the middle oxygen therapy tube, the two arc clamping blocks are hinged at the lower ends of the arc clamping blocks through hinge shafts, reset springs are fixedly connected with the outer side walls of the upper ends of the arc clamping blocks respectively, one ends of the reset springs, which are far away from the arc clamping blocks, are connected with the inner side walls of the rolling box, anti-slip rubber pads are arranged on the inner walls of the arc clamping blocks, the inner walls of the anti-slip rubber pads are in extrusion contact with the outer walls of the middle oxygen therapy tube, L-shaped adjusting rods are arranged on the outer sides, which are far away from one end of the front-end oxygen therapy tube, of the upper ends of the arc clamping blocks, one ends, which are close to the arc clamping blocks, of the L-shaped adjusting rods are triangular blocks, limiting through grooves are formed in the top wall of the rolling box, and the other ends of the L-shaped adjusting rods movably penetrate through the limiting through grooves and are fixedly connected with handle blocks.

Preferably, the hasp includes fixed mounting installation piece, fixed splint and movable splint on the roll-up box outer wall, fixed splint fixed mounting is in the upper end of installation piece back to roll-up box 4 one side, the installation piece is the below swing joint of roll-up box's side, fixed splint dorsad, the movable groove has been seted up to the upper surface of installation piece, the movable groove has been seted up near the side of fixed splint, the through groove is located the downside of fixed splint, the bottom of movable groove is equipped with the spring, the top of spring is equipped with the fly leaf, the top of fly leaf extends to the top of installation piece, the movable splint slip pass through the groove and with the lower extreme and the fixed connection of fly leaf.

Preferably, the inner bottom wall of the movable clamping plate is provided with a rubber anti-slip pad.

Preferably, the outer walls of the two nasal obstruction tubes are provided with silica gel buffer protection layers, and the first quick pipe joint and the second quick pipe joint are luer joints or tower joints.

Preferably, the rear end of the rear end oxygen therapy tube is provided with a filter, filter cotton is arranged in the filter, and the lower end of the filter is connected with a liquid collecting bottle through a threaded joint.

Preferably, the rotary joint is a quick-plug type rotary joint and comprises a connecting block fixedly connected with a rotating shaft of the winding drum, a through hole penetrating through the connecting block is formed in the connecting block, the through hole is communicated with the outer end of the communication hole, a cylindrical annular plug is integrally formed on the end face of one end, far away from the rotating shaft, of the connecting block, an inclined annular clamping groove is integrally formed on the end face, close to an outer ring of one end of the plug, of the connecting block, and the annular clamping groove is used for dividing the connecting block into a guide ring and a press-fit ring, wherein the section of the guide ring is triangular; the connecting block is rotatably sleeved with a plug block at one end far away from the rotating shaft, a vertical vent hole is formed in the plug block, a step hole communicated with the vent hole is integrally formed in the side wall of the lower end of the plug block, a circular clamping ring is integrally formed in the inner wall of the step hole, which is close to one end of the connecting block, and a press-fit groove with a right-angle trapezoid cross section is integrally formed between the clamping ring and the end face, close to one end of the connecting block, of the plug block; the plug on the connecting block is inserted into the step hole of the inserting block, the press-fit ring on the connecting block is inserted into the press-fit groove of the inserting block, the press-fit ring is used for pressing the snap ring, and the snap ring is deformed and inserted into the annular clamping groove; the plug is inserted with a sealing ring, and the sealing ring is pressed against the inner wall of the step hole.

As another preferable mode, the lock catch can be replaced by an anti-slip sucker or a sticking buckle.

As another preference, the filter is provided on the front end oxygen catheter.

Advantageous effects

According to the adjustable oxygen therapy tube, the oxygen therapy tube is of a detachable three-section structure, the oxygen therapy tube is convenient to detach and replace, the length of the oxygen therapy tube is convenient to adjust through the winding box, the oxygen therapy tube with the redundant length is convenient to store into the winding box, winding and knotting of the oxygen therapy tube are avoided, the middle oxygen therapy tube is convenient to limit through the oxygen therapy tube limiting mechanism, the length of the oxygen therapy tube is further limited, the convenience and safety of using the oxygen therapy tube are improved, redundant water vapor in humidified oxygen is convenient to filter through the filter, and water drops splashed when oxygen bubbles in the humidifying bottle break out of the water surface are prevented from entering the oxygen therapy tube, and the oxygen therapy tube enters the nasal cavity of a patient, so that discomfort of the patient is caused.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic front sectional view of the winding box of the present utility model;

FIG. 3 is a cross-sectional view taken along the direction A-A in the present utility model;

FIG. 4 is a B-B cross-sectional view of the present utility model;

FIG. 5 is an enlarged view at C in FIG. 4;

FIG. 6 is a schematic view of a top-down structure of the roll-up cassette of the present utility model;

FIG. 7 is a schematic view of a latch according to the present utility model;

fig. 8 is a schematic view of a filter according to the present utility model.

In the figure: 1. an oxygen therapy tube at the front end; 2. an intermediate oxygen catheter; 3. an oxygen therapy tube at the rear end; 4. a winding box; 5. locking; 6. a first quick coupler; 7. a rotary joint; 8. a second quick coupler; 101. a nasal obstruction tube; 301. a filter; 302. a liquid collecting bottle; 401. a case body; 402. a winding drum; 403. a communication hole; 404. a coil spring; 405. arc clamping blocks; 406. a return spring; 407. an L-shaped adjusting rod; 408. a handle block; 501. a mounting block; 502. a fixed clamping plate; 503. a movable clamping plate; 504. a movable groove; 505. a through groove; 506. a spring; 507. a movable plate; 508. a rubber anti-slip pad; 701. a connecting block; 702. a plug; 703. an annular clamping groove; 704. a guide ring; 705. press fitting the ring; 706. a plug block; 707. a vent hole; 708. a step hole; 709. a clasp; 710. a press-fit groove; 711. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-8, the present utility model provides a technical solution: the utility model provides an oxygen therapy tube with adjustable, including front end oxygen therapy tube 1, middle oxygen therapy tube 2 and rear end oxygen therapy tube 3, be equipped with roll-up box 4 on the middle oxygen therapy tube 2, roll-up box 4's outer wall fixedly connected with hasp 5, be convenient for fix roll-up box 4 at the operation table or sick bed limit, the rear end of front end oxygen therapy tube 1 is connected with middle oxygen therapy tube 2's front end through first quick coupling 6, and communicate, front end of front end oxygen therapy tube 1 is equipped with two nasal plug tubes 101, two nasal plug tubes 101's outer wall is equipped with silica gel buffer protection layer, improve nasal plug tube 101's travelling comfort, rear end oxygen therapy tube 3's front end is connected with roll-up box 4 through rotary joint 7, and be linked together with middle oxygen therapy tube 2, rotary joint 7 is connected with the pivot coaxial coupling of roll-up section of thick bamboo 402 in roll-up box 4, rear end oxygen therapy tube 3's rear end is connected with the oxygen venthole of humidifying bottle through second quick coupling 8, the rear end of rear end oxygen therapy tube 3 is equipped with filter 301, be equipped with filter 301 in the filter 301, filter 301 is equipped with filter cotton, filter 301 has a quick coupling through second quick coupling 8 or quick coupling 8, connect through second coupling 302, the quick coupling is connected with the quick coupling of luer connector of pipe joint 8.

Specifically, the coiling box 4 comprises a box body 401, the coiling box 401 is rotationally connected with the coiling box 402, the coiling box 402 is rotationally connected with the inner side wall of the box body 401 through a rotating shaft, one side of the rotating shaft is provided with a communication hole 403, the communication hole 403 is coaxially arranged with the rotating shaft, the inner end of the communication hole 403 penetrates through the inner wall of the coiling box 402 to be fixedly connected with the middle oxygen therapy tube 2 and communicated with the middle oxygen therapy tube 2, the outer end of the communication hole 403 is connected with a rotary joint 7, coil springs 404 are connected with two sides of the coiling box 402 and drive the coiling box 402 to rotate, the inner end of the coil springs 404 are connected with the side wall of the coiling box 402, the outer end of the coil springs are connected with the inner side wall of the box body 401, the middle oxygen therapy tube 2 is coiled on the coiling box 402, the front end of the middle oxygen therapy tube 2 movably penetrates through the side wall of the coiling box 4 and extends to the outer part of the coiling box 4 to be connected with the rear end of the front oxygen therapy tube 1, an oxygen therapy tube limiting mechanism is arranged at the top of the coiling box 4 and near one end of the front oxygen therapy tube 1, the oxygen therapy tube limiting mechanism comprises two arc-shaped clamping blocks 405 which clamp the middle oxygen therapy tube 2, the lower ends of the two arc-shaped clamping blocks 405 are hinged through a hinge shaft, the outer side walls of the upper ends of the two arc-shaped clamping blocks 405 are respectively fixedly connected with a reset spring 406, one end of the reset spring 406, which is far away from the arc-shaped clamping blocks 405, is connected with the inner side wall of the winding box 4, the inner wall of the arc-shaped clamping blocks 405 is provided with an anti-skid rubber pad, the inner wall of the anti-skid rubber pad is in extrusion contact with the outer wall of the middle oxygen therapy tube 2 and limits the middle oxygen therapy tube 2, a gap is reserved on the opposite surfaces of the upper ends of the two arc-shaped clamping blocks 405, one end, which is far away from the front end oxygen therapy tube 1, of the upper ends of the two arc-shaped clamping blocks 405 is provided with an L-shaped adjusting rod 407, one end, which is close to the arc-shaped clamping blocks 405, is provided with a limiting through groove, the other end of the L-shaped adjusting rod 407 movably penetrates through the limiting through groove and is fixedly connected with a handle block 408, the surface of the handle block 408 is an anti-slip surface, when the length of the oxygen catheter needs to be adjusted, the handle block 408 is pushed, the L-shaped adjusting rod 407 is driven to move towards the front end oxygen catheter 1 and separate the two arc-shaped clamping blocks 405, the limitation of the middle oxygen catheter 2 is further removed, when the length of the oxygen catheter needs to be adjusted, the middle oxygen catheter 2 can be adjusted by pulling the middle oxygen catheter 2 outwards, the length of the oxygen catheter can be adjusted, when the length of the oxygen catheter needs to be adjusted, the middle oxygen catheter 2 can be rolled into the rolling box 4 under the elastic action of the coil spring 404, the length of the oxygen catheter is adjusted, after the length of the oxygen catheter is adjusted, the handle block 408 is pushed reversely, the L-shaped adjusting rod 407 moves reversely and is separated from the two arc-shaped clamping blocks 405, the two arc-shaped clamping blocks 405 are folded under the action of the reset spring 406, the middle oxygen catheter 2 is clamped, and the middle oxygen catheter 2 is limited.

Specifically, the hasp 5 includes fixed mounting at the installation piece 501 on the outer wall of roll-up box 4, fixed splint 502 and movable splint 503, fixed splint 502 fixed mounting is in the upper end of installation piece 501 back to roll-up box 4 one side, the installation piece 501 is the side of roll-up box 4 dorsad, movable splint 503 is movably connected to the below of fixed splint 502, movable groove 504 has been seted up to the upper surface of installation piece 501, the through groove 505 has been seted up to the side that movable groove 504 is close to fixed splint 502, the downside that leads to groove 505 to be located fixed splint 502, the bottom of movable groove 504 is equipped with spring 506, the top of spring 506 is equipped with movable plate 507, the top of movable plate 507 extends to the top of installation piece 501, movable splint 503 slip runs through groove 505 and with fixed connection in the lower extreme of movable plate 507, the shape looks adaptation of the railing on fixed splint 502 and movable splint 503 inner wall and the operation table or the sick bed limit is the square pole in advance, the inner bottom wall of movable splint 503 is equipped with rubber anti-slip pad 508, be convenient for with the hasp 6 on the railing on the bed or the limit, avoid the mistake to roll-up of oxygen delivery tube 1.

Specifically, the rotary joint 7 is a quick-plug type rotary joint, and comprises a connecting block 701 fixedly connected with a rotating shaft of the winding drum 402, the connecting block 701 is coaxially arranged with the rotating shaft of the winding drum 402, a through hole penetrating through the connecting block 701 is formed in the connecting block 701, the through hole is communicated with the outer end of the communication hole 403, a cylindrical annular plug 702 is integrally formed on the end face of one end, far away from the rotating shaft, of the connecting block 701, an inclined annular clamping groove 703 is integrally formed on the end face, close to the outer ring of one end of the plug 702, of the connecting block 701, and the annular clamping groove 703 divides the connecting block 701 into a guide ring 704 and a press-fit ring 705, the cross section of which is triangular; the connecting block 701 is rotatably sleeved with a plug block 706 at one end far away from the rotating shaft, a vertical vent hole 707 is formed in the plug block 706, the vent hole 707 is communicated with a through hole in the connecting block 701, a step hole 708 communicated with the vent hole 707 is integrally formed in the side wall of the lower end of the plug block 706, a circular clamping ring 709 is integrally formed in the inner wall of the step hole 708, which is close to one end of the connecting block 701, and a press-fit groove 710 with a right-angle trapezoid cross section is integrally formed between the clamping ring 709 and the end face, close to one end of the connecting block 701, of the plug block 706; the plug 702 on the connecting block 701 is inserted into the step hole 708 of the inserting block 706, the press-fit ring 705 on the connecting block 701 is inserted into the press-fit groove 710 of the inserting block 706, the press-fit ring 705 is inclined to press the snap ring 709, and the snap ring 709 is deformed and inserted into the annular clamping groove 703; the plug 702 is inserted with a sealing ring 711, the sealing ring 711 is pressed against the inner wall of the step hole 708, in this embodiment, the sealing ring 711 is an O-shaped sealing ring, the inner diameter of the sealing ring 711 is smaller than the outer diameter of the plug 702, the difference between the two is smaller than the radius of the circle of the cross section of the sealing ring 711, the side surface of the plug 706 is fixedly connected with the front end of the rear end oxygen therapy tube 3, and the vent 707 in the plug 706 is far away from one end of the connecting block 701 and penetrates through the side wall of the plug 706 to be communicated with the rear end oxygen therapy tube 3.

The working principle of the adjustable oxygen therapy tube is that firstly, the rear end oxygen therapy tube 3 is connected with an oxygen outlet of a humidifying bottle through a second quick pipe joint 8, an air inlet of the humidifying bottle is connected with an oxygen generator through a pipeline, the front end of the rear end oxygen therapy tube 3 is connected with a furling box 4 through a rotary joint 7 and is communicated with the middle oxygen therapy tube 2, the furling box 4 is fixed on a railing on an operating bed or a sickbed side through a lock catch 5, then the front end oxygen therapy tube 1 is connected with the middle oxygen therapy tube 2 through a first quick pipe joint 6 and communicated with the middle oxygen therapy tube 2, when the length of the oxygen therapy tube needs to be adjusted, a handle block 408 is pushed, an L-shaped adjusting rod 407 is driven to move forwards and separate two arc-shaped clamping blocks 405, and then the limitation of the middle oxygen therapy tube 2 is released, when the length of the oxygen therapy tube needs to be adjusted, the middle oxygen therapy tube 2 can be adjusted, and then the middle oxygen therapy tube 2 can be adjusted, when the length of the oxygen therapy tube needs to be adjusted is shortened, the middle oxygen therapy tube 2 can be rolled into the furling box 4 under the elastic action of a coil spring 404, then the two arc-shaped clamping blocks are pushed, the two arc-shaped clamping blocks are restored, and the two arc-shaped clamping blocks 405 are reversely moved, and the two arc-shaped oxygen therapy tubes are reversely moved; according to the adjustable oxygen therapy tube, the oxygen therapy tube is of a detachable three-section structure, so that the oxygen therapy tube is convenient to detach and replace, the length of the oxygen therapy tube is convenient to adjust by arranging the winding box, the oxygen therapy tube with the redundant length is convenient to be stored in the winding box, the oxygen therapy tube is prevented from being wound and knotted, and the middle oxygen therapy tube is convenient to limit by arranging the oxygen therapy tube limiting mechanism, so that the length of the oxygen therapy tube is limited.

Alternatively, the rear end oxygen therapy tube 3 is provided with a second winding box, and the structure of the second winding box is the same as that of the winding box 4.

Alternatively, the front end of the rear oxygen catheter 3 is fixedly connected with the side surface of the plug block 706 of the rotary joint 7 through a luer joint, and is communicated with the vent hole 707 in the plug block 706.

Alternatively, the lock catch 5 may be replaced with an anti-slip suction cup or a sticking buckle.

Alternatively, the filter 301 is provided on the front-end oxygen catheter 1 to avoid excessive moisture in the oxygen from condensing into the nasal cavity of the patient, causing discomfort to the patient.

Claims (10)

1. The utility model provides an oxygen therapy pipe with adjustable, includes front end oxygen therapy pipe (1), middle oxygen therapy pipe (2) and rear end oxygen therapy pipe (3), its characterized in that: the utility model discloses a humidifying bottle, including middle oxygen therapy pipe (2), outer wall fixedly connected with hasp (5) of roll-up box (4), the rear end of front end oxygen therapy pipe (1) is connected with the front end of middle oxygen therapy pipe (2) through first quick coupling (6), the front end of front end oxygen therapy pipe (1) is equipped with two nose plug pipe (101), the front end of rear end oxygen therapy pipe (3) is connected with roll-up box (4) through rotary joint (7), the rear end of rear end oxygen therapy pipe (3) is connected with the oxygen venthole of humidifying bottle through quick coupling of second (8).

2. An adjustable oxygen catheter according to claim 1, wherein: the utility model provides a roll-up box (4) includes box body (401), roll-up section of thick bamboo (402) are connected in box body (401) internal rotation, roll-up section of thick bamboo (402) are connected through pivot and box body (401) inside wall rotation, communication hole (403) have been seted up to one side of pivot, the inner and middle oxygen therapy pipe (2) fixed connection of communication hole (403) are linked together, the outer end and the rotary joint (7) of communication hole (403) are connected, roll-up section of thick bamboo (402) both sides are connected with coil spring (404), middle oxygen therapy pipe (2) are convoluteed on roll-up section of thick bamboo (402), the front end activity of middle oxygen therapy pipe (2) runs through the lateral wall of roll-up box (4) and extends to roll-up box (4) outside and be connected with the rear end of front end oxygen therapy pipe (1), the top of roll-up box (4), be close to front end oxygen therapy pipe (1) one end be equipped with oxygen therapy pipe stop gear.

3. An adjustable oxygen catheter according to claim 2, wherein: the oxygen therapy tube limiting mechanism comprises two arc clamping blocks (405) which clamp the middle oxygen therapy tube (2), wherein the lower ends of the arc clamping blocks (405) are hinged through hinge shafts, the outer side walls of the upper ends of the arc clamping blocks (405) are respectively fixedly connected with a reset spring (406), one ends of the reset springs (406), which are far away from the arc clamping blocks (405), are connected with the inner side walls of a rolling box (4), anti-slip rubber pads are arranged on the inner walls of the arc clamping blocks (405), the inner walls of the anti-slip rubber pads are in extrusion contact with the outer walls of the middle oxygen therapy tube (2), L-shaped adjusting rods (407) are arranged on the outer sides of one ends, which are far away from the front end oxygen therapy tube (1), of the upper ends of the arc clamping blocks (405), one ends, which are close to the arc clamping blocks (405), of the L-shaped adjusting rods (407) are triangular blocks, limiting through grooves are formed in the top wall of the rolling box (4), and the other ends of the L-shaped adjusting rods (407) movably penetrate through the limiting through grooves, and are fixedly connected with handle blocks (408).

4. An adjustable oxygen catheter according to claim 1, wherein: the utility model provides a hasp (5) including fixed mounting installation piece (501), fixed splint (502) and movable splint (503) on roll-up box (4) outer wall, fixed splint (502) fixed mounting is in the upper end of installation piece (501) back roll-up box 4 one side, the below swing joint of installation piece (501) back roll-up box (4) side, fixed splint (502) has movable splint (503), movable groove (504) have been seted up to the upper surface of installation piece (501), logical groove (505) have been seted up to the side that movable groove (504) is close to fixed splint (502), logical groove (505) are located the downside of fixed splint (502), the bottom of movable groove (504) is equipped with spring (506), the top of spring (506) is equipped with movable plate (507), the top of movable plate (507) extends to the top of installation piece (501), movable splint (503) slip through groove (505) and with the lower extreme and the fixed connection of movable plate (507).

5. An adjustable oxygen catheter according to claim 4, wherein: the inner bottom wall of the movable clamping plate (503) is provided with a rubber anti-slip pad (508).

6. An adjustable oxygen catheter according to claim 1, wherein: the outer walls of the two nasal plug tubes (101) are both provided with silica gel buffer protection layers, and the first quick pipe joint (6) and the second quick pipe joint (8) are luer joints or tower-shaped joints.

7. An adjustable oxygen catheter according to claim 1, wherein: the rear end of the rear end oxygen therapy tube (3) is provided with a filter (301), filter cotton is arranged in the filter (301), and the lower end of the filter (301) is connected with a liquid collecting bottle (302) through a threaded joint.

8. An adjustable oxygen catheter according to claim 1, wherein: the rotary joint (7) is a quick-plug type rotary joint and comprises a connecting block (701) fixedly connected with a rotating shaft of a winding drum (402), a through hole penetrating through the connecting block (701) is formed in the connecting block (701), the through hole is communicated with the outer end of a communication hole (403), a cylindrical annular plug (702) is integrally formed on the end face of one end, far away from the rotating shaft, of the connecting block (701), an inclined annular clamping groove (703) is integrally formed on the end face, close to the outer ring of one end of the plug (702), of the connecting block (701), and the annular clamping groove (703) is used for dividing the connecting block (701) into a guide ring (704) and a press-fit ring (705) with triangular sections; one end of the connecting block (701) far away from the rotating shaft is rotationally sleeved with a plug block (706), a vertical vent hole (707) is integrally formed in the plug block (706), a step hole (708) communicated with the vent hole (707) is integrally formed in the side wall of the lower end of the plug block (706), a circular clamping ring (709) is integrally formed in the inner wall of the step hole (708) close to one end of the connecting block (701), and a press-fit groove (710) with a right-angle trapezoid cross section is integrally formed between the clamping ring (709) and the end face of the plug block (706) close to one end of the connecting block (701); the plug (702) on the connecting block (701) is inserted into the step hole (708) of the inserting block (706), the press-fit ring (705) on the connecting block (701) is inserted into the press-fit groove (710) of the inserting block (706), the press-fit ring (705) is used for pressing the snap ring (709), and the snap ring (709) is deformed and inserted into the annular clamping groove (703); a sealing ring (711) is inserted on the plug (702), and the sealing ring (711) is pressed against the inner wall of the stepped hole (708).

9. An adjustable oxygen catheter according to claim 1, wherein: the lock catch (5) can be replaced by an anti-slip sucker or a sticking buckle.

10. An adjustable oxygen catheter according to claim 7, wherein: the filter (301) is arranged on the front end oxygen therapy tube (1).