CN219148908U - A medical oxygen supply valve - Google Patents

Abstract

The utility model relates to the technical field of oxygen valves, in particular to a medical oxygen supply valve, comprising a bottom pipe, a top pipe is arranged on the top of the bottom pipe, a sealing cover is arranged on the top of the top pipe, and a screw thread is arranged inside the sealing cover. Lifting rod, the top of the threaded lifting rod is provided with a rotating disc, the top of the jacking pipe is provided with a positioning groove, the inner bottom of the positioning groove is provided with a first fixing member, and the bottom of the sealing cover is provided with a positioning groove corresponding to the positioning groove. The bottom of the positioning block is provided with a second fixing piece corresponding to the first fixing piece, and both ends of the top of the sealing cover are provided with threaded holes extending to the inside of the jacking pipe, and fixing screws are arranged inside the threaded holes; The utility model has a delicate structure and is convenient for disassembly and installation, so that the staff can replace the worn valve parts after the valve has been used for a long time, so as to avoid subsequent air leakage or other safety hazards.

Description

A medical oxygen supply valve

technical field

The utility model belongs to the technical field of oxygen valves, in particular to a medical oxygen supply valve.

Background technique

At present, the medical oxygen supply valves sold in the market are divided into two types: single meter (without decompression) and double meter (with decompression function). The main switch is a needle valve. Due to processing errors, assembly errors and improper use, both can This results in lax closure and air leakage. At the same time, the switch pressure is very high, and the operation is laborious, which reduces the service life of the valve.

In order to solve the above-mentioned technical problems, the Chinese patent with the publication number CN2751211Y in the prior art discloses a medical oxygen supply valve, which belongs to medical equipment products and includes a gas cylinder nozzle, a valve body, a handwheel and an air outlet nozzle. The valve is controlled by a rod, and there is a bypass hole on the inlet and outlet pipe of the valve, and an adjustment screw is provided in the decompression device to reduce the idle travel.

Although the above-mentioned existing technical solutions have flexible switches, good sealing performance, reasonable structure and long service life, when the medical oxygen cylinder is repeatedly filled with gas within the service life, the internal parts of the valve will be worn due to long-term use, thus As a result, air leakage occurs, requiring staff to replace worn parts, and the above structure is inconvenient to disassemble, which is not conducive to disassembly and assembly by staff, and reduces work efficiency.

Utility model content

The purpose of this utility model is to provide a medical oxygen supply valve to solve the problems raised in the above-mentioned background technology.

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

A medical oxygen supply valve, comprising a bottom pipe, the top of the bottom pipe is provided with a top pipe, the top of the top pipe is provided with a sealing cover, the inside of the sealing cover is provided with a threaded lifting rod, and the top of the threaded lifting rod is provided with a Turn the disc, the top of the jacking pipe is provided with a positioning groove, the bottom of the positioning groove is provided with a first fixing member, the bottom of the sealing cover is provided with a positioning block corresponding to the positioning groove, and the bottom of the positioning block corresponds to the first fixing There is a second fixing piece at the part, and the two ends of the top of the sealing cover are provided with threaded holes extending to the inside of the jacking pipe, the inside of the threaded holes is provided with fixing screws, and the bottom of the threaded lifting rod is installed with a fixed assembly. sealing mechanism.

As a preferred solution of the present invention, one of the first fixing member and the second fixing member is a first magnet, and the other of the first fixing member and the second fixing member is a second magnet, and the first fixing member is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other.

As a preferred solution of the present invention, the fixed assembly includes a mounting block, a threaded cylinder, a movable rod, a card slot, a rubber block, a docking block, a docking groove and a movable groove, and the bottom of the threaded lifting rod is provided with a mounting block, so The bottom of the installation block is provided with a docking block, the bottom of the installation block is provided with a threaded cylinder, the top of the docking block is provided with a docking groove corresponding to the threaded cylinder, the inner wall of the docking groove is provided with internal threads, and the center of the bottom of the installation block A movable rod is provided, and the end of the movable rod away from the mounting block is provided with a card slot, and a rubber block is engaged and connected inside the card slot, and a movable slot is opened at the bottom end of the docking groove corresponding to the movable rod.

As a preferred solution of the utility model, the sealing mechanism includes a sealing disc, a push rod and a sealing valve, a sealing disc is provided at the end of the docking block away from the mounting block, a push rod is provided at the center of the bottom of the docking block, and the A sealing valve is arranged at the bottom of the push rod, and an arc-shaped protrusion is arranged at the bottom end of the sealing valve.

As a preferred solution of the present invention, rubber sealing rings are provided on the outside of the sealing disc and the sealing valve.

As a preferred solution of the present invention, a first steel part and a second steel part are respectively installed on the top and the bottom of the inside of the bottom pipe, and an air outlet is arranged between the first steel part and the second steel part.

Compared with the prior art, the beneficial effects of the utility model are:

1. In the utility model, the first fixing part and the second fixing part can be bonded and adsorbed by snapping the positioning block into the positioning groove, so that the sealing cover and the jacking pipe form a preliminary fixation, and then the top of the sealing cover is opened The threaded hole extending to the inside of the jacking pipe cooperates with the fixing screw to completely fix the two. The threaded barrel cooperates with the internal thread set in the docking groove to thread the installation block and the docking block, and at the same time the movable rod will also snap into the movable In the groove, the friction between the movable rod and the movable groove can be increased by using the rubber blocks engaged in the groove, so as to avoid the gradual loosening of the threaded cylinder and the internal thread set in the docking groove due to vibration or impact. The structure is exquisite and convenient. Disassembly and installation enable the staff to replace the worn valve parts after the valve has been used for a long time, so as to avoid subsequent air leakage or other safety hazards.

2. In the utility model, the internal space of the valve can be isolated from the external space through the sealing disc and the rubber sealing ring provided outside the sealing valve, and the sealing disc can be used to cooperate with the rubber sealing ring provided outside to prevent dust and foreign matter from passing through the seal. The seam between the cover and the threaded lifting rod enters the inside, causing internal wear and oxygen contamination, while the rubber sealing ring on the outside of the sealing valve can prevent the arc-shaped protrusion at the bottom of the sealing valve from being stuck in the air outlet, and the oxygen will pass through the seam to the air outlet. Extravasation occurs.

Description of drawings

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

Fig. 2 is a schematic diagram of the separation structure of valve parts of the utility model;

Fig. 3 is a partial cross-sectional structure schematic diagram of the utility model.

In the figure: 1. Bottom pipe; 2. Jacking pipe; 3. Sealing cover; 4. Thread lifting rod; 5. Rotating disc; Fixing piece; 10, threaded hole; 11, fixing screw; 12, air outlet; 13, installation block; 14, threaded cylinder; 15, movable rod; 16, card slot; 17, rubber block; , docking groove; 20, movable groove; 21, sealing disc; 22, push rod; 23, sealing valve; 24, rubber sealing ring; 25, first steel part; 26, second steel part.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the present invention The embodiments in the utility model, and all other embodiments obtained by persons of ordinary skill in the art without creative efforts, all belong to the scope of protection of the utility model.

Example:

Please refer to Fig. 1-Fig. 3, the utility model provides a kind of technical scheme:

A medical oxygen supply valve, comprising a bottom pipe 1, a top pipe 2 is arranged on the top of the bottom pipe 1, a sealing cover 3 is arranged on the top of the top pipe 2, a threaded lifting rod 4 is arranged inside the sealing cover 3, and a threaded lifting rod 4 is arranged on the top The rotating disk 5, the top of the jacking pipe 2 is provided with a positioning groove 6, the bottom end of the positioning groove 6 is provided with a first fixing member 7, the bottom of the sealing cover 3 is provided with a positioning block 8 corresponding to the positioning groove 6, and the bottom of the positioning block 8 corresponds to the first The fixing part 7 is provided with a second fixing part 9, and both ends of the top of the sealing cover 3 are provided with threaded holes 10 extending to the inside of the jacking pipe 2, and the inside of the threaded holes 10 is provided with a fixing screw 11, and the bottom of the threaded lifting rod 4 is fixed by The assembly is equipped with a sealing mechanism, one of the first fixing part 7 and the second fixing part 9 is a first magnet, the other of the first fixing part 7 and the second fixing part 9 is a second magnet, and the first magnet and the second fixing part are The magnetic poles of the two magnets are opposite and attract each other. The fixed assembly includes a mounting block 13, a threaded cylinder 14, a movable rod 15, a slot 16, a rubber block 17, a docking block 18, a docking groove 19 and a movable groove 20, and the bottom of the threaded lifting rod 4 A mounting block 13 is provided, the bottom of the mounting block 13 is provided with a docking block 18, the bottom of the mounting block 13 is provided with a threaded cylinder 14, the top of the docking block 18 is provided with a docking groove 19 corresponding to the threaded cylinder 14, and the inner wall of the docking groove 19 is provided with an internal thread , the center of the bottom of the installation block 13 is provided with a movable rod 15, and the end of the movable rod 15 far away from the installation block 13 is provided with a card slot 16, the inside of the card slot 16 is engaged with a rubber block 17, and the inner bottom of the docking groove 19 corresponds to the movable rod 15 There is a movable groove 20 at the position. When the valve is in use, the positioning block 8 can be snapped into the positioning groove 6, so that the first fixing part 7 and the second fixing part 9 can be attached and adsorbed, so that the sealing cover 3 and the jacking pipe 2 A preliminary fixation is formed, and then the threaded hole 10 extended to the inside of the jacking pipe 2 provided on the top of the sealing cover 3 cooperates with the fixing screw 11 to completely fix the two. The mounting block 13 is threadedly connected with the docking block 18, and the movable rod 15 will also be snapped into the movable groove 20 at the same time, and the friction force in the movable rod 15 and the movable groove 20 can be increased by utilizing the rubber block 17 engaged in the draw-in groove 16, To avoid the internal threads set in the threaded barrel 14 and the docking groove 19 from gradually loosening due to vibration or impact, the structure is exquisite and easy to disassemble and install, so that the staff can repair the worn valve parts after the valve has been used for a long time Replace it to avoid subsequent air leakage or other safety hazards.

In this embodiment, as shown in Figures 1 and 2, the sealing mechanism includes a sealing disc 21, a push rod 22, and a sealing valve 23. The end of the docking block 18 away from the mounting block 13 is provided with a sealing disc 21, and the center of the bottom of the docking block 18 A push rod 22 is arranged at the bottom of the push rod 22, and a sealing valve 23 is arranged at the bottom of the sealing valve 23, and an arc-shaped protrusion is arranged at the bottom of the sealing valve 23, and a rubber sealing ring 24 is arranged on the outer side of the sealing disc 21 and the sealing valve 23, and the inside of the bottom pipe 1 The top and the bottom are respectively equipped with a first steel part 25 and a second steel part 26, an air outlet 12 is arranged between the first steel part 25 and the second steel part 26, and the rotating disc 5 controls the threaded lifting rod 4 to descend, so that The installation block 13 and the docking block 18 drive the sealing plate 21, the push rod 22 and the sealing valve 23 to descend, so that the arc-shaped protrusion provided at the bottom of the sealing valve 23 snaps into the air outlet to perform the cut-off operation, otherwise, the reverse rotation is performed through the above steps The disk 5 can lift the sealing valve 23 to allow the air flow to pass through. The internal space of the valve can be isolated from the external space through the sealing disk 21 and the rubber sealing ring 24 provided outside the sealing valve 23. The sealing ring 24 can prevent external dust and foreign matter from entering the inside through the seam of the sealing cover 3 and the threaded lifting rod 4, causing internal wear and oxygen pollution, and the rubber sealing ring 24 arranged outside the sealing valve 23 can prevent the bottom of the sealing valve 23 from When the arc-shaped protrusion is stuck in the air outlet 12, oxygen seeps out through the seam.

The implementation principle of a medical oxygen supply valve in the embodiment of the present application is as follows: when the valve is in use, the positioning block 8 can be snapped into the positioning groove 6, so that the first fixing part 7 and the second fixing part 9 can be attached and adsorbed. Let the sealing cover 3 and the jacking pipe 2 form a preliminary fixation, and then through the threaded hole 10 opened on the top of the sealing cover 3 and extending to the inside of the jacking tube 2, cooperate with the fixing screw 11 to completely fix the two, and the threaded cylinder 14 matches the docking groove The internal thread provided in 19 is used to thread the mounting block 13 and the docking block 18, and the movable rod 15 will also be snapped into the movable groove 20 at the same time, and the rubber clamping block 17 engaged in the draw-in groove 16 can be used to increase the movable rod 15 and The friction force in the movable groove 20 prevents the internal threads of the threaded cylinder 14 and the docking groove 19 from gradually loosening due to vibration or impact. Replace the valve parts that have been worn out to avoid subsequent air leakage or other safety hazards. Rotate the rotating disc 5 to control the threaded lifting rod 4 to descend, so that the mounting block 13 and the docking block 18 drive the sealing disc 21 and the push rod 22 and the sealing valve 23 descend, so that the arc-shaped protrusion provided at the bottom of the sealing valve 23 snaps into the air outlet to perform the flow-cutting operation, otherwise, the sealing valve 23 can be raised by rotating the rotating disk 5 in reverse through the above steps to allow the airflow to pass through. The inner space of the valve is isolated from the outer space by the sealing disc 21 and the rubber sealing ring 24 arranged on the outside of the sealing valve 23, and the rubber sealing ring 24 arranged on the outer side of the sealing disc 21 can prevent external dust and foreign matter from passing through the sealing cover 3 and the outer space. The seam of the threaded lifting rod 4 enters the inside, causing internal wear and oxygen contamination, and the rubber sealing ring 24 provided on the outside of the sealing valve 23 can prevent the oxygen from passing through when the arc-shaped protrusion at the bottom of the sealing valve 23 is stuck in the air outlet 12. Seams bleed outwards.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

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).

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