CN219148908U

CN219148908U - Medical oxygen supply valve

Info

Publication number: CN219148908U
Application number: CN202223474718.3U
Authority: CN
Inventors: 陆婧; 邓超; 周颖
Original assignee: Hunan Aojiesai Medical Technology Co ltd
Current assignee: Hunan Oujie Sai Technology Development Co.,Ltd.
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-06-09
Anticipated expiration: 2032-12-17

Abstract

The utility model relates to the technical field of oxygen valves, in particular to a medical oxygen supply valve, which comprises a bottom pipe, wherein a top pipe is arranged at the top of the bottom pipe, a sealing cover is arranged at the top of the top pipe, a threaded lifting rod is arranged in the sealing cover, a rotating disc is arranged at the top of the threaded lifting rod, a positioning groove is formed in the top of the top pipe, a first fixing piece is arranged at the bottom end in the positioning groove, a positioning block is arranged at the bottom of the sealing cover corresponding to the positioning groove, a second fixing piece is arranged at the bottom of the positioning block corresponding to the first fixing piece, threaded holes extending to the inside of the top pipe are formed in two ends of the top of the sealing cover, and fixing screws are arranged in the threaded holes; the valve is exquisite in structure and convenient to detach and install, so that workers can replace valve parts which are worn after the valve is used for a long time, and subsequent air leakage or other potential safety hazards are avoided.

Description

Medical oxygen supply valve

Technical Field

The utility model belongs to the technical field of oxygen valves, and particularly relates to a medical oxygen supply valve.

Background

At present, the medical oxygen supply valve sold in the market is divided into a single meter (without pressure reduction) and a double meter (with pressure reduction function), the main switch is a needle valve, and due to processing errors, assembly errors and improper use, the valve can be closed inaccurately, an air leakage phenomenon occurs, meanwhile, the switch pressure is large, the operation is laborious, and the service life of the valve is reduced.

In order to solve the technical problem, the Chinese patent with the publication number of CN2751211Y in the prior art discloses a medical oxygen supply valve, which belongs to medical appliance products and comprises a gas cylinder connector, a valve body, a hand wheel and an air outlet nozzle, wherein the hand wheel controls the valve through a rotary rod, a bypass hole is arranged on an inlet pipe and an outlet pipe of the valve, and an adjusting screw is arranged in a pressure reducing device so as to reduce idle stroke.

The above technical scheme is flexible in switch, good in sealing performance, reasonable in structure and long in service life, but when the medical oxygen bottle is repeatedly inflated and utilized in the service life, the internal parts of the valve are worn due to long-time use, so that the air leakage phenomenon is caused, the worn parts are required to be replaced by staff, the structure is inconvenient to disassemble, the disassembly and assembly of the staff are not facilitated, and the working efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a medical oxygen supply valve so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a medical oxygen supply valve, includes the bottom tube, bottom tube top is provided with the push pipe, the push pipe top is provided with sealed lid, sealed inside screw thread lifter that is provided with of lid, screw thread lifter top is provided with the rolling disc, the constant head tank has been seted up at the push pipe top, the inside bottom of constant head tank is provided with first mounting, sealed lid bottom corresponds constant head tank department and is provided with the locating piece, locating piece bottom corresponds first mounting department and is provided with the second mounting, the screw hole that extends to the push pipe inside is all seted up at the top both ends of sealed lid, screw thread inside is provided with the dead screw, sealing mechanism is installed through fixed subassembly to screw thread lifter bottom.

In a preferred embodiment of the present utility model, one of the first fixing member and the second fixing member is a first magnet, the other of the first fixing member and the second fixing member is a second magnet, and the magnetic poles of the first magnet and the second magnet are opposite and attract each other.

As a preferable scheme of the utility model, the fixing component comprises a mounting block, a threaded cylinder, a movable rod, a clamping groove, a rubber clamping block, a butt joint groove and a movable groove, wherein the mounting block is arranged at the bottom of the threaded lifting rod, the butt joint block is arranged at the bottom of the mounting block, the threaded cylinder is arranged at the bottom of the mounting block, the butt joint groove is formed in the position, corresponding to the threaded cylinder, of the top of the butt joint block, an internal thread is arranged on the inner wall of the butt joint groove, the movable rod is arranged in the center of the bottom of the mounting block, the clamping groove is formed in one end, far away from the mounting block, of the movable rod, the rubber clamping block is connected in a clamping manner in the clamping groove, and the movable groove is formed in the position, corresponding to the movable rod, of the bottom inside the butt joint groove.

As a preferable scheme of the utility model, the sealing mechanism comprises a sealing disc, a push rod and a sealing valve, wherein the sealing disc is arranged at one end of the butt joint block far away from the mounting block, the push rod is arranged at the center of the bottom of the butt joint block, the sealing valve is arranged at the bottom of the push rod, and the arc-shaped bulge is arranged at the bottom end of the sealing valve.

As a preferable scheme of the utility model, the sealing disc and the outer side of the sealing valve are both provided with rubber sealing rings.

As a preferable scheme of the utility model, the top end and the bottom end inside the bottom pipe are respectively provided with a first steel piece and a second steel piece, and an air outlet is arranged between the first steel piece and the second steel piece.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the positioning block is clamped into the positioning groove, so that the first fixing piece and the second fixing piece are attached and adsorbed, the sealing cover and the jacking pipe are primarily fixed, then the first fixing piece and the jacking pipe are thoroughly fixed through the threaded hole formed in the top of the sealing cover and extending into the jacking pipe and matched with the fixing screw, the threaded cylinder is matched with the internal thread formed in the butt joint groove, the mounting block is in threaded connection with the butt joint block, meanwhile, the movable rod is clamped into the movable groove, the friction force between the movable rod and the movable groove can be increased by utilizing the rubber clamping block clamped in the clamping groove, the situation that the internal thread formed in the threaded cylinder and the butt joint groove is gradually loosened due to vibration or impact is avoided, the structure is exquisite, the dismounting and the mounting are convenient, and workers can replace valve parts which are worn after the valve is used for a long time, and gas leakage or other potential safety hazards are avoided.

2. According to the utility model, the inner space and the outer space of the valve can be isolated through the sealing disc and the rubber sealing ring arranged outside the sealing valve, external dust and foreign matters can be prevented from entering the interior through the joint of the sealing cover and the threaded lifting rod through the sealing disc, so that the interior is worn and oxygen is polluted, and the rubber sealing ring arranged outside the sealing valve can prevent the condition that the oxygen seeps outwards through the joint when the arc-shaped bulge at the bottom of the sealing valve is clamped into the air outlet.

Drawings

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

FIG. 2 is a schematic diagram of the valve component separation structure of the present utility model;

FIG. 3 is a schematic view of a partially cut-away structure of the present utility model.

In the figure: 1. a bottom tube; 2. jacking pipes; 3. sealing cover; 4. a threaded lifting rod; 5. a rotating disc; 6. a positioning groove; 7. a first fixing member; 8. a positioning block; 9. a second fixing member; 10. a threaded hole; 11. a set screw; 12. an air outlet; 13. a mounting block; 14. a thread cylinder; 15. a movable rod; 16. a clamping groove; 17. a rubber clamping block; 18. a butt joint block; 19. a butt joint groove; 20. a movable groove; 21. a sealing plate; 22. a push rod; 23. a sealing valve; 24. a rubber seal ring; 25. a first steel member; 26. and a second steel member.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples:

referring to fig. 1-3, the present utility model provides a technical solution:

the medical oxygen supply valve comprises a bottom tube 1, a top tube 2 is arranged at the top of the bottom tube 1, a sealing cover 3 is arranged at the top of the top tube 2, a threaded lifting rod 4 is arranged inside the sealing cover 3, a rotating disc 5 is arranged at the top of the threaded lifting rod 4, a positioning groove 6 is arranged at the top of the top tube 2, a first fixing piece 7 is arranged at the bottom end inside the positioning groove 6, a positioning block 8 is arranged at the bottom of the sealing cover 3 corresponding to the positioning groove 6, a second fixing piece 9 is arranged at the bottom of the positioning block 8 corresponding to the first fixing piece 7, threaded holes 10 extending to the inside of the top tube 2 are formed at the two ends of the top of the sealing cover 3, a fixing screw 11 is arranged inside the threaded holes 10, a sealing mechanism is arranged at the bottom of the threaded lifting rod 4 through a fixing component, one of the first fixing piece 7 and the second fixing piece 9 is a first magnet, the other of the first fixing piece 7 and the second fixing piece 9 is a second magnet, the magnetic poles of the first magnet and the second magnet are opposite and attract each other, the fixed component comprises a mounting block 13, a threaded cylinder 14, a movable rod 15, a clamping groove 16, a rubber clamping block 17, a butt joint block 18, a butt joint groove 19 and a movable groove 20, the bottom of the threaded lifting rod 4 is provided with the mounting block 13, the bottom of the mounting block 13 is provided with the butt joint block 18, the bottom of the mounting block 13 is provided with the threaded cylinder 14, the butt joint groove 19 is arranged at the position corresponding to the threaded cylinder 14 at the top of the butt joint block 18, the inner wall of the butt joint groove 19 is provided with an internal thread, the center of the bottom of the mounting block 13 is provided with the movable rod 15, one end of the movable rod 15, which is far away from the mounting block 13, is provided with the clamping groove 16, the rubber clamping block 17 is connected with the inner clamping groove 16 in a clamping way, the movable groove 20 is arranged at the position corresponding to the movable rod 15 at the inner bottom end of the butt joint groove 19, the valve can enable the first fixing piece 7 and the second fixing piece 9 to be attached and adsorbed when in use, let sealed lid 3 and push pipe 2 form preliminary fixed, then through the screw hole 10 cooperation fixed screw 11 that extends to push pipe 2 inside that sealed lid 3 top was seted up, thoroughly fix the two, screw tube 14 cooperation butt joint inslot set up the internal thread, carry out threaded connection with installation piece 13 and butt joint piece 18, movable rod 15 also will block into movable groove 20 simultaneously, utilize the rubber fixture block 17 of block in the draw-in groove 16 can increase the frictional force in movable rod 15 and the movable groove 20, avoid leading to screw tube 14 and butt joint inslot set up the internal thread to loosen gradually because of vibrations or striking, the structure is exquisite, make things convenient for dismantlement and installation, make the staff change the valve spare part that has produced wearing and tearing after the valve uses for a long time, avoid appearing gas leakage or other potential safety hazards subsequently.

In this embodiment, as shown in fig. 1 and 2, the sealing mechanism includes a sealing disc 21, a push rod 22 and a sealing valve 23, one end of the docking block 18 far away from the installation block 13 is provided with the sealing disc 21, the center of the bottom of the docking block 18 is provided with the push rod 22, the bottom of the push rod 22 is provided with the sealing valve 23, the bottom of the sealing valve 23 is provided with an arc-shaped bulge, the outer sides of the sealing disc 21 and the sealing valve 23 are both provided with a rubber sealing ring 24, the top and the bottom of the inside of the bottom tube 1 are respectively provided with a first steel member 25 and a second steel member 26, an air outlet 12 is arranged between the first steel member 25 and the second steel member 26, the rotating disc 5 controls the threaded lifting rod 4 to descend, the installation block 13 drives the sealing disc 21, the push rod 22 and the sealing valve 23 with the docking block 18 to descend, the arc-shaped bulge arranged at the bottom of the sealing valve 23 is clamped into the air outlet, otherwise, the air flow can pass through the sealing disc 23 by reversely rotating the rotating disc 5, the inner space and the outer side of the valve through the sealing disc 21 and the rubber sealing ring 24 arranged at the outer side of the sealing valve 23, the inner space of the sealing disc can be isolated from the outer side of the sealing valve through the sealing disc 24, and the outer side of the sealing disc is prevented from being leaked out of the sealing ring 24 through the sealing disc 3 when the sealing disc is matched with the sealing disc 21, and the outer side of the sealing disc is arranged to the sealing ring and the sealing ring 23, and the outer side of the sealing ring is prevented from being worn out from the outer side of the sealing joint surface of the sealing joint from the sealing joint surface of the sealing joint.

The implementation principle of the medical oxygen supply valve in the embodiment of the application is as follows: when the valve is used, the positioning block 8 can be clamped into the positioning groove 6, the first fixing piece 7 and the second fixing piece 9 are attached and adsorbed, the sealing cover 3 and the jacking pipe 2 form preliminary fixing, then the sealing cover 3 is matched with the fixing screw 11 through the threaded hole 10 which is formed at the top of the sealing cover 3 and extends into the jacking pipe 2, the sealing cover 3 and the jacking pipe 2 are thoroughly fixed, the threaded cylinder 14 is matched with the internal threads which are formed in the butt joint groove 19, the mounting block 13 and the butt joint block 18 are in threaded connection, meanwhile, the movable rod 15 is clamped into the movable groove 20, the friction force between the movable rod 15 and the movable groove 20 can be increased by the rubber clamping block 17 clamped in the clamping groove 16, the gradual loosening of the internal threads which are formed in the threaded cylinder 14 and the butt joint groove 19 due to vibration or impact is avoided, the structure is exquisite, the dismounting and the mounting are convenient, the valve has the advantages that workers can replace valve parts which are worn after the valve is used for a long time, the subsequent occurrence of air leakage or other potential safety hazards is avoided, the rotating disc 5 controls the threaded lifting rod 4 to descend, the mounting block 13 and the butt joint block 18 drive the sealing disc 21, the push rod 22 and the sealing valve 23 to descend, the arc-shaped bulge arranged at the bottom end of the sealing valve 23 is clamped into the air outlet to perform the cutoff operation, otherwise, the rotating disc 5 is rotated reversely to enable the sealing valve 23 to lift up to enable air flow to pass through, the inner space and the outer space of the valve can be isolated through the rubber sealing ring 24 arranged at the outer side of the sealing disc 21 and the sealing valve 23, external dust and foreign matters can be prevented from entering the interior through the joint of the sealing cover 3 and the threaded lifting rod 4 through the rubber sealing ring 24 arranged at the outer side of the sealing disc 21, the internal abrasion is caused, and oxygen is polluted, and the rubber sealing ring 24 arranged on the outer side of the sealing valve 23 can prevent oxygen from seeping outwards through the joint when the arc-shaped bulge at the bottom of the sealing valve 23 is clamped into the air outlet 12.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical oxygen suppliment valve, includes bottom tube (1), its characterized in that: the utility model discloses a sealing device for a pipe jacking machine, including pipe jacking (1), pipe jacking (2) top is provided with sealed lid (3), sealed lid (3) inside screw thread lifter (4) that are provided with, screw thread lifter (4) top is provided with rolling disc (5), constant head tank (6) have been seted up at pipe jacking (2) top, constant head tank (6) inside bottom is provided with first mounting (7), sealed lid (3) bottom corresponds constant head tank (6) department and is provided with locating piece (8), locating piece (8) bottom corresponds first mounting (7) department and is provided with second mounting (9), screw hole (10) that extend to pipe jacking (2) inside are all seted up at sealed lid (3) top both ends, screw hole (10) inside is provided with fixed screw (11), sealing mechanism is installed through fixed subassembly to screw thread lifter (4) bottom.

2. A medical oxygen supply valve according to claim 1, wherein: one of the first fixing piece (7) and the second fixing piece (9) is a first magnet, the other one of the first fixing piece (7) and the second fixing piece (9) is a second magnet, and magnetic poles of the first magnet and the second magnet are opposite and attract each other.

3. A medical oxygen supply valve according to claim 1, wherein: the fixing assembly comprises a mounting block (13), a thread cylinder (14), a movable rod (15), a clamping groove (16), a rubber clamping block (17), a butt joint block (18), a butt joint groove (19) and a movable groove (20), wherein the mounting block (13) is arranged at the bottom of the thread lifting rod (4), the butt joint block (18) is arranged at the bottom of the mounting block (13), the thread cylinder (14) is arranged at the bottom of the mounting block (13), the butt joint groove (19) is formed in the top of the butt joint block (18) corresponding to the thread cylinder (14), the inner wall of the butt joint groove (19) is provided with an internal thread, the clamping groove (16) is formed in the center of the bottom of the mounting block (13) and far away from one end of the movable rod (15), the rubber clamping block (17) is connected to the clamping groove (16) in a clamping mode, and the movable groove (20) is formed in the bottom of the butt joint groove (19) corresponding to the movable rod (15).

4. A medical oxygen supply valve according to claim 3, wherein: the sealing mechanism comprises a sealing disc (21), a push rod (22) and a sealing valve (23), wherein the sealing disc (21) is arranged at one end, far away from the mounting block (13), of the butt joint block (18), the push rod (22) is arranged at the center of the bottom of the butt joint block (18), the sealing valve (23) is arranged at the bottom of the push rod (22), and an arc-shaped protrusion is arranged at the bottom end of the sealing valve (23).

5. A medical oxygen supply valve according to claim 4, wherein: rubber sealing rings (24) are arranged on the outer sides of the sealing disc (21) and the sealing valve (23).

6. A medical oxygen supply valve according to claim 1, wherein: the top and the bottom inside the bottom pipe (1) are respectively provided with a first steel piece (25) and a second steel piece (26), and an air outlet (12) is arranged between the first steel piece (25) and the second steel piece (26).