CN220442853U - Medical gas terminal convenient to installation and maintenance - Google Patents
Medical gas terminal convenient to installation and maintenance Download PDFInfo
- Publication number
- CN220442853U CN220442853U CN202321865782.6U CN202321865782U CN220442853U CN 220442853 U CN220442853 U CN 220442853U CN 202321865782 U CN202321865782 U CN 202321865782U CN 220442853 U CN220442853 U CN 220442853U
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- valve
- base assembly
- maintenance
- valve seat
- assembly
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- 238000012423 maintenance Methods 0.000 title claims abstract description 41
- 238000009434 installation Methods 0.000 title claims description 6
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 42
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940075473 medical gases Drugs 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The utility model relates to the field of medical gas equipment, and discloses a medical gas terminal convenient to install and maintain, which comprises a valve seat assembly and a base assembly which are detachably connected, wherein a second valve core capable of moving up and down is arranged in a gas channel of the valve seat assembly, and the second valve core is used for sealing the gas channel in the valve seat assembly; a maintenance valve and a first valve core which can be arranged below the maintenance valve in a sliding manner up and down are arranged in the gas channel of the base assembly, and a first sealing ring is arranged on the lower end surface of the maintenance valve; when the valve seat assembly is connected with the base assembly, the thimble at the lower end of the valve seat assembly is propped against the first valve core, so that a gas channel in the base assembly is opened; when the valve seat assembly and the base assembly are separated, air flow in the air channel of the base assembly pushes the first valve core to move upwards and be sealed on the first sealing ring; the medical gas terminal is convenient to assemble and disassemble, can realize gas maintenance, and is convenient to maintain the base assembly.
Description
Technical Field
The utility model relates to the field of medical gas equipment, in particular to a medical gas terminal convenient to install and maintain.
Background
The medical gas terminal is a terminal device for acquiring various medical gases in a medical gas pipeline system, is often arranged in life support areas such as a ward, an operating room, an ICU room, a rescue room and the like of a hospital, and is used for providing various medical gases for patients or medical devices and is used for life support or rehabilitation treatment of the patients; the medical gas terminal is normally vertically installed on various gas equipment, and the base is welded with the pipeline, so that the medical gas terminal is difficult to disassemble, and when the medical gas terminal needs to be maintained, the terminal is in a vertical position, so that great difficulty is brought to maintenance.
The patent CN204387544U discloses a medical gas terminal device with a filtering device, wherein a socket component and a base component of the medical gas terminal device adopt a split type connecting structure, and when the terminal needs maintenance, the socket component can be detached to maintain the base component part, so that the medical gas terminal device is very convenient; however, when the lower seal ring in the base assembly is required to be replaced or maintained, the steel ball and the spring at the lower end of the lower seal ring are difficult to be assembled in the vertical position, and the maintenance difficulty is high.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology and provides a medical gas terminal which is convenient to install and maintain.
The embodiment of the utility model is realized by the following technical scheme:
the medical gas terminal convenient to install and maintain comprises a valve seat assembly and a base assembly which are detachably connected, wherein a second valve core capable of moving up and down is arranged in a gas channel of the valve seat assembly, and the second valve core is used for sealing the gas channel in the valve seat assembly;
a maintenance valve and a first valve core which can be arranged below the maintenance valve in a sliding manner up and down are arranged in a gas channel of the base assembly, and a first sealing ring is arranged on the lower end face of the maintenance valve; when the valve seat assembly and the base assembly are connected, the thimble at the lower end of the valve seat assembly is propped against the first valve core, so that a gas channel in the base assembly is opened; when the valve seat assembly and the base assembly are separated, the air flow in the air channel of the base assembly pushes the first valve core to move upwards and seal on the first sealing ring.
Further, the outer side wall of the maintenance valve is in threaded connection with the inner side wall of the base assembly, and a second sealing ring is further arranged at the lower end of the maintenance valve; the second sealing ring is coaxially arranged on the outer side of the first sealing ring, and the lower end of the second sealing ring is sealed with the base assembly.
Further, an air inlet pipeline communicated with the air channel in the base assembly is arranged on the side wall of the base assembly.
Further, a stand column is arranged at the bottom of the gas channel of the base assembly, the first valve core comprises a valve core body and a disc part arranged at the outer periphery of the valve core body, and a blind hole which is sleeved on the stand column in a sliding manner is arranged at the lower end of the valve core body; the disc portion seals with the first seal ring when the first spool is moved up to a maximum position.
Further, a group of annular sealing elements are embedded at the lower end of the maintenance valve, and the first sealing ring and the second sealing ring are arranged on the lower end face of the sealing elements.
Further, a core sleeve is rotatably arranged in the gas channel of the valve seat assembly, the second valve core and a pressure plate positioned below the second valve core are arranged in the core sleeve, and the second valve core is connected with the pressure plate through a second spring;
when the valve seat assembly and the base assembly are connected, the pressure plate is pressed on the maintenance valve in a pressing mode.
Further, the lower end of the core sleeve is in threaded connection with the inner wall of the base assembly.
Further, a plurality of groups of positioning pins are arranged on the outer peripheral side of the valve seat assembly, and a plurality of positioning holes which are matched with a plurality of positioning pins one by one are formed in the base assembly.
Further, the upper end of the valve seat assembly is also detachably provided with a gland.
Further, a group of decorative covers are sleeved on the outer wall of the valve seat assembly below the pressing cover.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
in the medical gas terminal, the valve seat component and the base component are detachably connected, so that the disassembly and assembly operation is convenient, and after the valve seat component and the base component are separated, the first valve core can be automatically moved upwards to be sealed on the maintenance valve under the drive of air flow without closing an air source, so that maintenance with air is realized; compared with a structure that a spring pushes a steel ball to be connected with a sealing ring in a sealing way, the first valve core, the maintenance valve and the base assembly are simple in assembly relation, and maintenance of the base assembly is convenient and quick.
Drawings
FIG. 1 is a schematic view of a medical gas terminal according to the present utility model;
FIG. 2 is a schematic diagram of a medical gas terminal according to the present utility model;
FIG. 3 is a schematic view of an installation operation of the medical gas terminal of the present utility model;
FIG. 4 is a maintenance schematic diagram of a base assembly of a medical gas terminal of the present utility model;
icon: 1-gland, 2-circlip, 3-valve seat, 4-trim cover, 5-clamp ring, 6-bayonet, 7-first spring, 8-locating pin, 9-base, 901-upright, 10-core sleeve, 11-service valve, 1101-seal, 1102-second seal ring, 1103-first seal ring, 12-first valve core, 13-air intake duct, 14-connecting plate, 15-second valve core, 16-second spring, 17-platen, 18-first tool, 19-valve seat assembly, 20-base assembly, 21-second tool.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1 to 4, the present utility model provides a medical gas terminal which is convenient to install and maintain, comprising a valve seat assembly 19 and a base assembly 20 which are detachably connected, wherein the valve seat assembly 19 and the base assembly 20 are provided with gas passages.
Referring to fig. 1 to 3, the valve seat assembly 19 includes a valve seat 3, a core sleeve 10 is rotatably disposed below the valve seat 3, a connection plate 14 is installed between the valve seat 3 and the core sleeve 10, a second valve core 15, a second spring 16 and a pressure plate 17 are sequentially disposed in the core sleeve 10 from top to bottom, the second spring 16 can push the second valve core 15 to move upwards to seal a gas channel, and when the valve seat assembly 19 is connected through a gas pipeline, the second valve core 15 can be pushed to move downwards to open the gas channel.
Referring to fig. 1, the base assembly 20 includes a base 9, an inner sidewall at a lower end of the base 9 is provided with an inner thread, an outer sidewall at a lower end of the core sleeve 10 is provided with an outer thread, and the valve seat assembly 19 and the base assembly 20 are detachably connected through threaded connection of the base 9 and the core sleeve 10.
Referring to fig. 3, when it is desired to separate the valve seat assembly 19 and the base assembly 20, the separation of the valve seat assembly 19 and the base assembly 20 is accomplished by screwing the first tool 18 of the sleeve structure over the core sleeve 10.
Referring to fig. 1 and 4, a maintenance valve 11 is disposed in a gas channel of a base 9, an outer side wall of the maintenance valve 11 is in threaded connection with an inner side wall of the base assembly 9, a group of annular rubber sealing members 1101 are embedded in a lower end face of the maintenance valve 11, a first sealing ring 1103 and a second sealing ring 1102 are disposed on a lower end face of the sealing members 1101, the first sealing ring 1103 and the second sealing ring 1102 are coaxially disposed, and the second sealing ring 1102 is located on the outer side of the first sealing ring 1103.
Wherein, be equipped with air inlet pipe 13 on the lateral wall of base 9, and air inlet pipe 13 and the interior gas passage intercommunication of base 9.
Referring to fig. 1 and 4, a group of upright posts 901 are arranged at the bottom of a gas channel of the base 9, and a group of first valve cores 12 are arranged on the upright posts 12 in a manner of sliding up and down; specifically, referring to fig. 1, the first valve core 12 includes a valve core body and a disc portion disposed at the outer periphery of the valve core body, wherein a set of blind holes are disposed at the lower end of the valve core body, and the blind holes movably penetrate through the upright posts 901.
When the valve seat assembly 19 and the base assembly 20 are connected, the lower end of the pressure plate 17 abuts against the maintenance valve 11, the second spring 16 pushes the second valve core 15 to seal in the valve seat assembly 19, and meanwhile, the ejector pin at the lower end of the pressure plate 17 abuts against the first valve core 12, and a gap between the maintenance valve 11 and the first valve core 12 can be used for air flow to pass through, so that an air channel in the base assembly 20 is opened.
Referring to fig. 3, when the valve seat assembly 19 and the base assembly 20 are separated, the ejector pin is separated from the first valve core 12, and the air flow in the air channel of the base assembly 20 pushes the first valve core 12 to move upwards, and the disc portion of the first valve core 12 is sealed on the first sealing ring 1102.
Referring to fig. 4, after the valve seat assembly 19 is separated from the base assembly 20, the service valve 11 may be removed from the base assembly 20 by a second tool of socket head cap configuration.
Referring to fig. 1 to 4, similar to the prior application entitled "air supply system terminal device with maintenance valve" by applicant's grant publication No. CN213332397U "and subject name is:
wherein, the periphery side of disk seat subassembly 19 is provided with a plurality of locating pins 8 of group, be equipped with on the base subassembly 20 with a plurality of locating holes of a plurality of locating pins 8 one-to-one, the accessible sets up locating pin 8 and the locating hole of different quantity, interval size or size on the gas terminal of different specification models, can avoid the misloading of disk seat subassembly 19 and base subassembly 20 of the different specifications of part.
The upper end of the valve seat 3 is also detachably provided with a gland 1, a group of decorative covers 4 are sleeved on the outer wall of the valve seat 3 below the gland 1, a pressing ring 5 is arranged on the outer side wall of the valve seat 3, a bayonet lock 6 and a first spring 7 are further arranged between the valve seat 3 and the pressing ring 5, the pressing ring 5 can freely move up and down along the axial direction of the valve seat 3, and the gland 1 is limited on the valve seat 3 by an elastic retainer ring 2 and cannot be pulled off.
When the gland 1 is pressed down, the gland 1 moves downwards together with the decorative cover 4 and the pressing ring 5, and the bayonet 6 moves outwards; when the gland 1 is released, the decorative cover 4, the pressing ring 5 and the gland 1 are restored to the original positions together under the action of the first spring 7, and the bayonet 6 is restored to the original positions inwardly.
Referring to fig. 3 and 4, when the gas device having the medical gas terminal installed therein is installed in a hospital and requires maintenance, the valve seat assembly 19 is removed by rotating the connection portion of the first tool 18 inserted into the core sleeve 10, and wearing parts such as an internal seal ring can be replaced; at this time, the first valve core 12 moves upwards to form a seal with the first sealing ring 1103 under the driving of the gas force in the gas inlet pipe 13, so that the gas in the gas inlet pipe 13 is not required to be closed when the valve seat assembly 19 is maintained, and the maintenance with gas is realized.
Referring to fig. 4, when the sealing member 1101 in the base assembly 20 is damaged and needs to be maintained, after the gas in the pipeline needs to be closed, the second tool 21 is inserted into the connection port of the maintenance valve 11 and rotated, so that the maintenance valve 11 can be detached for replacement, thereby being convenient and quick.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The medical gas terminal convenient to install and maintain comprises a valve seat assembly and a base assembly which are detachably connected, wherein a second valve core capable of moving up and down is arranged in a gas channel of the valve seat assembly, and the second valve core is used for sealing the gas channel in the valve seat assembly; the method is characterized in that:
a maintenance valve and a first valve core which can be arranged below the maintenance valve in a sliding manner up and down are arranged in a gas channel of the base assembly, and a first sealing ring is arranged on the lower end face of the maintenance valve; when the valve seat assembly and the base assembly are connected, the thimble at the lower end of the valve seat assembly is propped against the first valve core, so that a gas channel in the base assembly is opened; when the valve seat assembly and the base assembly are separated, the air flow in the air channel of the base assembly pushes the first valve core to move upwards and seal on the first sealing ring.
2. The easy-to-install and repair medical gas terminal according to claim 1, wherein: the outer side wall of the maintenance valve is in threaded connection with the inner side wall of the base assembly, and the lower end of the maintenance valve is also provided with a second sealing ring; the second sealing ring is coaxially arranged on the outer side of the first sealing ring, and the lower end of the second sealing ring is sealed with the base assembly.
3. The medical gas terminal for easy installation and maintenance according to claim 2, wherein: and an air inlet pipeline communicated with the air channel in the base assembly is arranged on the side wall of the base assembly.
4. A medical gas terminal for facilitating installation and maintenance according to claim 3, wherein: the bottom of the gas channel of the base assembly is provided with a stand column, the first valve core comprises a valve core body and a disc part arranged at the outer periphery of the valve core body, and the lower end of the valve core body is provided with a blind hole which is sleeved on the stand column in a sliding manner; the disc portion seals with the first seal ring when the first spool is moved up to a maximum position.
5. The medical gas terminal for easy installation and maintenance according to claim 2, wherein: the lower end of the maintenance valve is embedded with a group of annular sealing elements, and the first sealing ring and the second sealing ring are arranged on the lower end face of the sealing elements.
6. The easy-to-install and repair medical gas terminal according to any one of claims 1 to 5, wherein: a core sleeve is rotatably arranged in the gas channel of the valve seat assembly, the core sleeve is internally provided with a second valve core and a pressure plate positioned below the second valve core, and the second valve core is connected with the pressure plate through a second spring;
when the valve seat assembly and the base assembly are connected, the pressure plate is pressed on the maintenance valve in a pressing mode.
7. The easy-to-install and repair medical gas terminal according to claim 6, wherein: the lower end of the core sleeve is in threaded connection with the inner wall of the base assembly.
8. The easy-to-install and repair medical gas terminal according to claim 1, wherein: the periphery side of disk seat subassembly is provided with a plurality of groups of locating pin, be equipped with on the base subassembly with a plurality of locating hole of locating pin one-to-one.
9. The easy-to-install and repair medical gas terminal according to claim 1, wherein: the upper end of the valve seat assembly is also detachably provided with a gland.
10. The easy-to-install and repair medical gas terminal according to claim 9, wherein: a group of decorative covers are also sleeved on the outer wall of the valve seat component below the gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321865782.6U CN220442853U (en) | 2023-07-14 | 2023-07-14 | Medical gas terminal convenient to installation and maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321865782.6U CN220442853U (en) | 2023-07-14 | 2023-07-14 | Medical gas terminal convenient to installation and maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220442853U true CN220442853U (en) | 2024-02-06 |
Family
ID=89738461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321865782.6U Active CN220442853U (en) | 2023-07-14 | 2023-07-14 | Medical gas terminal convenient to installation and maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220442853U (en) |
-
2023
- 2023-07-14 CN CN202321865782.6U patent/CN220442853U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |