CN111577932B - Gas taking device - Google Patents
Gas taking device Download PDFInfo
- Publication number
- CN111577932B CN111577932B CN202010412525.1A CN202010412525A CN111577932B CN 111577932 B CN111577932 B CN 111577932B CN 202010412525 A CN202010412525 A CN 202010412525A CN 111577932 B CN111577932 B CN 111577932B
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- Prior art keywords
- gas
- positioning
- bin
- taking
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
- F16K3/267—Combination of a sliding valve and a lift valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a gas taking device which comprises a gas taking valve body and a positioning clamping groove, wherein a positioning bin is arranged on the right side of the gas taking valve body, a positioning spring is arranged inside the positioning bin, a gas taking valve joint is arranged on the inner side of a fixing block, a joint bin is arranged on the left side of the gas taking valve joint, a gas taking bin is arranged on the left side of the joint bin, a gas taking valve core is arranged inside the gas taking bin, a first return spring is arranged on the outer surface of the gas taking valve core, a notch is formed in the right side of the first return spring, an exhaust hole is formed in the upper end of the gas taking valve core, a sealing block is fixed at the lower end of the gas taking valve core, and a second return spring is arranged at the lower end of the sealing block. Through the setting get the gas case can with get the gas storehouse and laminate mutually, avoid appearing influencing the follow-up practicality of getting the gas case, can reset getting the gas case automatically through the first return spring who sets up, adjust inconvenient and influence the practicality of device when avoiding using to the notch that sets up can make things convenient for gaseous collecting.
Description
Technical Field
The invention relates to the technical field of gas taking devices, in particular to a gas taking device.
Background
The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.
Gas in-process is got when using the syringe to get the gas device in market, medical personnel need press the electric switch, thereby can lead to gloves to cause the pollution, make the practicality of device reduce, it will lengthen the pipe and get the gas port and connect to get the gas pocket, when not circular telegram, there are a large amount of air to exist intraductally, easily cause gaseous purity to descend and air pollution, and can appear getting the gas valve articulate inseparable during the use, the problem in skew and gap easily appears during the use, for this reason, we provide a gas and get the gas device.
Disclosure of Invention
The invention aims to provide a gas taking device, which solves the problems that when the existing gas taking device on the market is used, medical staff need to press an electric switch in the process of taking gas by using an injector, so that gloves are polluted, the practicability of the device is reduced, an extending pipe is required to be connected with a gas taking port for a gas taking hole, when the electricity is not conducted, a large amount of air exists in the pipe, the gas purity is easily reduced, the air pollution is easily caused, the connection of a gas taking valve connector is not tight during use, and the gas taking valve connector is easy to deviate and have gaps during use.
In order to achieve the purpose, the invention provides the following technical scheme: a gas taking device comprises a gas taking valve body and a positioning clamping groove, wherein a positioning bin is arranged on the right side of the gas taking valve body, a positioning spring is arranged inside the positioning bin, a fixed block is arranged at the upper end of the positioning spring, a sealing gasket is arranged on the outer surface of the fixed block, a gas taking valve joint is arranged on the inner side of the fixed block, a joint bin is arranged on the left side of the gas taking valve joint, a gas taking bin is arranged on the left side of the joint bin, a gas taking valve core is arranged inside the gas taking bin, a first return spring is arranged on the outer surface of the gas taking valve core, a notch is formed in the right side of the first return spring, a vent hole is formed in the upper end of the gas taking valve core, a sealing block is fixed at the lower end of the gas taking valve core, a second return spring is arranged at the lower end of the sealing block, a second sealing gasket is arranged at the lower end of the second return spring, and a gas taking hole is formed in the second sealing gasket, get the gas valve body and set up in positioning channel's lower extreme left and right sides, and positioning channel's inside is provided with gets the gas valve lid, the inside of getting the gas valve lid is provided with gets the trachea, and gets the left and right sides of gas valve lid and all be provided with the sealing washer.
Preferably, the positioning bin forms an elastic structure through the positioning spring and the fixing block, and the positioning spring is symmetrical about the horizontal center line of the positioning bin.
Preferably, a clamping structure is formed between the fixing block and the air valve joint, and a sealing structure is formed between the fixing block and the air valve joint through the sealing gasket.
Preferably, the air intake valve joint forms a communicating structure with the air intake chamber through the joint chamber, the air intake valve core penetrates through the inside of the air intake chamber, and the air intake chamber is tightly attached to the air intake valve core.
Preferably, the gas taking valve core and the exhaust hole form an elastic structure through a first return spring, and a communication structure is formed between the gas taking valve core and the notch.
Preferably, the sealing block is of a conical structure, an elastic structure is formed between the sealing block and the second return spring, and a clamping structure is formed between the sealing block and the air taking hole.
Preferably, the upper side of the gas taking valve core is provided with a first sealing washer, and the gas taking valve core forms a sealing structure with the first sealing washer through the exhaust hole.
Preferably, a clamping structure is formed between the positioning clamping groove and the gas taking valve cover, and the gas taking valve cover forms a sealing structure with the gas taking valve body through the positioning clamping groove.
Preferably, the inboard of sealing washer is provided with from tapping screw, and from tapping screw along the lower extreme evenly distributed of getting the gas valve lid to get the gas valve lid and get the connected mode between the valve body for threaded connection.
Compared with the prior art, the invention has the following beneficial effects:
the positioning spring is matched with the fixing block, so that the air valve connector can be automatically limited and clamped, and the phenomenon that the air valve connector deviates to influence the practicability of the device when in use is avoided;
the positioning bin and the air valve joint can be connected more tightly through the arranged sealing gasket, so that a gap is prevented from being formed between the positioning bin and the air valve joint when the positioning bin is used;
the gas taking valve core can be attached to the gas taking bin, the influence on the subsequent practicability of the gas taking valve core is avoided, the gas taking valve core can be automatically reset through the arranged return spring I, the influence on the practicability of the device due to inconvenient adjustment in use is avoided, and the arranged notch can facilitate the collection of gas;
the sealing block is a conical structure and can be used for sealing the air taking hole, so that the problem that the practicability of the device is influenced by the outflow of air in use can be avoided, and the exhaust hole and the air taking hole can be sealed by the arranged first sealing washer and the second sealing washer, so that the outflow of air is avoided;
can conveniently carry on spacingly to getting the gas valve gap through the positioning channel groove that sets up, get the gas valve gap when avoiding using and appear squinting and drop and influence the practicality of device, can conveniently fix getting the gas valve gap and getting the gas valve body through the self-tapping screw that sets up to the sealing washer that sets up can make sealed effect between them increase.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic bottom view of the present invention;
fig. 5 is a schematic view of the structure of the air valve core of the present invention.
In the figure: 1. a gas valve body; 2. positioning a bin; 3. a positioning spring; 4. a fixed block; 5. a gasket; 6. a gas valve connector; 7. a joint bin; 8. a gas taking bin; 9. a gas valve core is taken; 10. a first return spring; 11. a notch; 12. an exhaust hole; 13. a sealing block; 14. a second return spring; 15. sealing washer one; 16. a second sealing washer; 17. air taking holes; 18. positioning the clamping groove; 19. a gas valve cover; 20. taking an air pipe; 21. a seal ring; 22. self-tapping screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a gas intake device comprises a gas intake valve body 1, a positioning bin 2, a positioning spring 3, a fixing block 4, a sealing gasket 5, a gas intake valve joint 6, a joint bin 7, a gas intake bin 8, a gas intake valve core 9, a first return spring 10, a notch 11, an exhaust hole 12, a sealing block 13, a second return spring 14, a first sealing washer 15, a second sealing washer 16, a gas intake hole 17, a positioning clamping groove 18, a gas intake valve cover 19, a gas intake pipe 20, a sealing washer 21 and a self-tapping screw 22, wherein the positioning bin 2 is arranged on the right side of the gas intake valve body 1, the positioning spring 3 is arranged inside the positioning bin 2, the positioning bin 2 and the fixing block 4 form an elastic structure through the positioning spring 3, the positioning spring 3 is symmetrical about the horizontal center line of the positioning bin 2, and the positioning spring 3 and the fixing block 4 are matched with each other to automatically limit and clamp the gas intake valve joint 6, the phenomenon that the practicability of the device is influenced due to the fact that the air valve taking connector 6 deviates when the device is used is avoided;
the upper end of the positioning spring 3 is provided with a fixed block 4, the outer surface of the fixed block 4 is provided with a sealing gasket 5, the inner side of the fixed block 4 is provided with an air valve connector 6, the left side of the air valve connector 6 is provided with a connector bin 7, a clamping structure is formed between the fixed block 4 and the air valve connector 6, the fixed block 4 and the air valve connector 6 form a sealing structure through the sealing gasket 5, the positioning bin 2 and the air valve connector 6 can be connected more tightly through the arranged sealing gasket 5, and a gap is prevented from being formed between the positioning bin 2 and the air valve connector 6 when the positioning spring is used;
the left side of the joint bin 7 is provided with an air taking bin 8, the air taking bin 8 is internally provided with an air taking valve core 9, the air taking valve joint 6 forms a communicating structure with the air taking bin 8 through the joint bin 7, the air taking valve core 9 penetrates through the air taking bin 8, the air taking bin 8 and the air taking valve core 9 are closely attached in a connecting mode, the air taking valve core 9 can be attached to the air taking bin 8 through the arranged air taking valve core 9, the influence on the subsequent practicability of the air taking valve core 9 is avoided, the outer surface of the air taking valve core 9 is provided with a first return spring 10, a notch 11 is formed in the right side of the first return spring 10, the upper end of the air taking valve core 9 is provided with an exhaust hole 12, the lower end of the air taking valve core 9 is fixed with a sealing block 13, the air taking valve core 9 forms an elastic structure with the exhaust hole 12 through the first return spring 10, the communicating structure is formed between the air taking valve core 9 and the notch 11, the air taking valve core 9 can automatically reset the air taking valve core 9 through the first return spring 10, the influence on the practicability of the device caused by inconvenient adjustment in use is avoided, and the arranged notch 11 can facilitate the collection of gas;
the lower end of the sealing block 13 is provided with a second return spring 14, the lower end of the second return spring 14 is provided with a second sealing washer 16, an air taking hole 17 is formed in the second sealing washer 16, the sealing block 13 is of a conical structure, an elastic structure is formed between the sealing block 13 and the second return spring 14, a clamping structure is formed between the sealing block 13 and the air taking hole 17, the sealing block 13 is of a conical structure and can be used for sealing the air taking hole 17, the problem that the practicability of the device is affected due to outflow of air in use can be avoided, the upper side of the air taking valve core 9 is provided with a first sealing washer 15, the air taking valve core 9 forms a sealing structure between the exhaust hole 12 and the first sealing washer 15, and the exhaust hole 12 and the air taking hole 17 can be sealed through the first sealing washer 15 and the second sealing washer 16, so that outflow of air is avoided;
the gas valve body 1 is arranged on the left side and the right side of the lower end of the positioning clamping groove 18, the gas valve cover 19 is arranged in the positioning clamping groove 18, a clamping structure is formed between the positioning clamping groove 18 and the gas valve cover 19, the gas valve cover 19 forms a sealing structure with the gas valve body 1 through the positioning clamping groove 18, the gas valve cover 19 can be conveniently limited through the arranged positioning clamping groove 18, the problem that the practicability of the device is influenced due to the fact that the gas valve cover 19 deviates and falls when in use is avoided, the gas taking pipe 20 is arranged in the gas valve cover 19, the left side and the right side of the gas valve cover 19 are both provided with the sealing rings 21, the self-tapping screws 22 are arranged on the inner sides of the sealing rings 21, the self-tapping screws 22 are uniformly distributed along the lower end of the gas valve cover 19, the connection mode between the gas valve cover 19 and the gas valve body 1 is threaded connection, and the gas valve cover 19 and the gas valve body 1 can be conveniently fixed through the arranged self-tapping screws 22, and the sealing ring 21 is arranged to increase the sealing effect of the two.
The working principle is as follows: for the gas taking device, firstly, a user needs to know that the gas taking valve joint 6 can be inserted into the positioning bin 2 on the right side of the gas taking valve body 1, then the gas taking valve joint 6 can be limited through the positioning spring 3 and the fixing block 4, the problem that the practicability of the device is influenced due to the deviation of the gas taking valve joint 6 when in use is avoided, the arranged sealing gasket 5 can enable the gas taking valve joint and the gas taking valve body to be connected more tightly, the arranged joint bin 7 and the gas taking bin 8 can be communicated simultaneously, so that the gas is convenient to communicate, then the gas taking valve cover 19 is clamped in the positioning clamping groove 18 at the lower end of the gas taking valve body 1, the gas taking pipe 20 and the gas taking hole 17 in the gas taking valve cover 19 keep the same vertical central line, then the self-tapping screw 22 penetrates through the gas taking valve cover 19 to be fixed with the gas taking valve body 1, the deviation is avoided when in use, and the arranged sealing ring 21 can enable the self-tapping screw 22 to be fixed more tightly, and the exhaust hole 12 and the gas taking hole 17 can be sealed by the first sealing washer 15 and the second sealing washer 16, when in use, a user can insert the head end of the injector into the exhaust hole 12, and finally the gas taking valve core 9 can be pushed downwards, so that the gas taking hole 17 can be plugged by the sealing block 13 at the lower end of the gas taking valve core 9, then the notch 11 arranged at the right side of the gas taking valve core 9 can introduce gas into the injector, after the practical use, the injector can be pulled out by the user, the gas taking valve core 9 can be automatically reset by the first return spring 10 and the second return spring 14, a large amount of air does not exist in the gas taking valve core 9, the gas purity reduction and the air pollution are easy to cause, compared with the prior art, the invention does not need a power supply, has simple structure, is convenient to operate, is not easy to pollute, is suitable for being used in an operation site, and has outstanding substantive characteristics and remarkable progress, the whole using process of the gas taking device is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a gaseous device of getting gas, is including getting gas valve body (1) and positioning channel groove (18), its characterized in that: a positioning bin (2) is arranged on the right side of the gas taking valve body (1), a positioning spring (3) is arranged inside the positioning bin (2), a fixing block (4) is arranged at the upper end of the positioning spring (3), a sealing gasket (5) is arranged on the outer surface of the fixing block (4), a gas taking valve joint (6) is arranged on the inner side of the fixing block (4), a joint bin (7) is arranged on the left side of the gas taking valve joint (6), a gas taking bin (8) is arranged on the left side of the joint bin (7), a gas taking valve core (9) is arranged inside the gas taking bin (8), a first return spring (10) is arranged on the outer surface of the gas taking valve core (9), a notch (11) is formed in the right side of the first return spring (10), an exhaust hole (12) is formed in the upper end of the gas taking valve core (9), and a sealing block (13) is fixed at the lower end of the gas taking valve core (9), the lower extreme of sealed piece (13) is provided with two (14) of power spring, and the lower extreme of two (14) of power spring is provided with two (16) of seal ring, the inside of two (16) of seal ring has been seted up and has been got gas hole (17), get the lower extreme left and right sides that gas valve body (1) seted up in positioning channel groove (18), and the inside of positioning channel groove (18) is provided with gets gas valve lid (19), the inside of getting gas valve lid (19) is provided with gets trachea (20), and gets the left and right sides of gas valve lid (19) and all is provided with sealing washer (21).
2. A gas extraction device as claimed in claim 1, wherein: the positioning bin (2) is of an elastic structure formed between the positioning spring (3) and the fixing block (4), and the positioning spring (3) is symmetrical about the horizontal center line of the positioning bin (2).
3. A gas extraction device as claimed in claim 1, wherein: the fixed block (4) and the air valve connector (6) form a clamping structure, and the fixed block (4) forms a sealing structure with the air valve connector (6) through the sealing gasket (5).
4. A gas extraction device as claimed in claim 1, wherein: get between the air valve joint (6) and get the gas storehouse (8) through connecting the storehouse (7) and constitute the intercommunication structure, and get the inside that the gas case (9) run through in getting the gas storehouse (8) to get the connected mode between gas storehouse (8) and getting the gas case (9) and be closely laminated.
5. A gas extraction device as claimed in claim 1, wherein: the gas taking valve core (9) forms an elastic structure with the exhaust hole (12) through a first return spring (10), and a communicating structure is formed between the gas taking valve core (9) and the notch (11).
6. A gas extraction device as claimed in claim 1, wherein: the sealing block (13) is of a conical structure, an elastic structure is formed between the sealing block (13) and the second return spring (14), and a clamping structure is formed between the sealing block (13) and the air taking hole (17).
7. A gas extraction device as claimed in claim 1, wherein: a first sealing washer (15) is arranged on the upper side of the gas taking valve core (9), and a sealing structure is formed between the gas taking valve core (9) and the first sealing washer (15) through the exhaust hole (12).
8. A gas extraction device as claimed in claim 1, wherein: a clamping structure is formed between the positioning clamping groove (18) and the gas taking valve cover (19), and the gas taking valve cover (19) forms a sealing structure with the gas taking valve body (1) through the positioning clamping groove (18).
9. A gas withdrawal device as claimed in claim 1, wherein: the inner side of the sealing ring (21) is provided with self-tapping screws (22), the self-tapping screws (22) are uniformly distributed along the lower end of the gas valve cover (19), and the gas valve cover (19) is in threaded connection with the gas valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412525.1A CN111577932B (en) | 2020-05-15 | 2020-05-15 | Gas taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412525.1A CN111577932B (en) | 2020-05-15 | 2020-05-15 | Gas taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111577932A CN111577932A (en) | 2020-08-25 |
| CN111577932B true CN111577932B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010412525.1A Active CN111577932B (en) | 2020-05-15 | 2020-05-15 | Gas taking device |
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| CN (1) | CN111577932B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058178Y (en) * | 2007-07-03 | 2008-05-14 | 淄博前沿医疗器械有限公司 | Undervoltage gas triplet pushing valve |
| CN202452101U (en) * | 2011-12-22 | 2012-09-26 | 方飞鹏 | Novel automatic inflating system |
| CN103494710B (en) * | 2013-09-18 | 2015-05-20 | 宁波天益医疗器械有限公司 | Air fetching connector for ozone immune adjustment equipment |
| CN104383652A (en) * | 2014-11-17 | 2015-03-04 | 天津意安消防设备有限公司 | Electromagnetically-controlled carbon dioxide fire extinguishing system capable of starting by automatically extracting gas |
| CN105697837A (en) * | 2016-04-20 | 2016-06-22 | 西安新竹防灾救生设备有限公司 | Drive-gas releasing device |
| CN208703258U (en) * | 2018-08-28 | 2019-04-05 | 深圳市中邦燃气设备有限公司 | A kind of Contiuum type pipe gas stop valve |
| CN210462076U (en) * | 2019-08-04 | 2020-05-05 | 青岛天通管路系统有限公司 | Self-locking type quick connector |
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2020
- 2020-05-15 CN CN202010412525.1A patent/CN111577932B/en active Active
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| CN111577932A (en) | 2020-08-25 |
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