CN2571406Y - Terminal device for medical gas supply system - Google Patents
Terminal device for medical gas supply system Download PDFInfo
- Publication number
- CN2571406Y CN2571406Y CN02276685U CN02276685U CN2571406Y CN 2571406 Y CN2571406 Y CN 2571406Y CN 02276685 U CN02276685 U CN 02276685U CN 02276685 U CN02276685 U CN 02276685U CN 2571406 Y CN2571406 Y CN 2571406Y
- Authority
- CN
- China
- Prior art keywords
- socket
- gland
- sealing
- supply system
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 210000004907 gland Anatomy 0.000 claims description 55
- 238000013461 design Methods 0.000 claims description 23
- 230000000295 complement effect Effects 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 48
- 230000000694 effects Effects 0.000 description 8
- 239000000945 filler Substances 0.000 description 6
- 230000003068 static effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920000965 Duroplast Polymers 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000013842 nitrous oxide Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- General Engineering & Computer Science (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a terminal device for a medical gas supplying system in a hospital, which is mainly composed of a socket and a joint connected with a gas supplying pipeline, wherein the socket is fixedly connected with the joint, two seals are arranged on a gas passage formed from the socket and the joint, a linking mechanism for making the two seals opened and closed in a linking mode is arranged between the two seals, and a cone assembling hole for connecting a plug of a gas using appliance is arranged on a gas passage positioned in the socket on which a locking mechanism for fixing the plug in the assembling hole is arranged. The utility model has the advantages of good sealing performance and fast, convenient and flexible insertion and extraction of the plug of the gas using appliance.
Description
One, technical field
This utility model relates to a kind of provide convenience medical gas supply system terminal device with gas of patient that is, is a kind of coupling arrangement that will connect with the air supply pipe of air supply system with the gas utensil.
Two, background technology
In equipment any hospital of modernization relatively, its medical gas supply, as oxygen supply, attraction, laughing gas, compressed air, carbon dioxide etc. all is to adopt the centring system air feed, air feed terminal coupling arrangement is arranged on ward, operating room etc. with in the air chamber, directly the source of the gas plug is inserted termination during with gas, can provide required medical gas to the patient.Termination and patient are in the same interior space, and in a single day the medical gas supply system come into operation, and termination just is in the band gaseity always.In order to guarantee that the patient has competent effective air feed with gas the time, a quiet comfortable environment is arranged without gas the time, this just requires termination that good sealing property is arranged, no matter in user mode, still at non-working condition, all can not have gas to leak.Owing to termination is in the band gaseity always, and, make that the sealing of termination is relatively more difficult with frequent insertion of gas appliance plug and taking-up.Also Just because of this, although the termination kind of prior art is many, all exist the bad problem of sealing property in various degree.In addition, medical gas supply is used for the critical patient often and promptly gives emergency treatment to a patient, no matter thereby also just to require plug be to insert or take out, all should make things convenient for, flexibly, reliably, to guarantee timely air feed fully the patient.But the various termination of prior art, it contained with the retaining mechanism of plug latch in device more complicated all, plug insert termination and the operation of taking out from termination all cumbersome, underaction is convenient during use.
Three, summary of the invention
At the deficiency of prior art, the problem that this utility model at first will solve is the sealing problem of termination.No matter the termination that this utility model provides is in user mode, still excellent sealing performance is all arranged, outside gas can not leak at non-working condition.
Second problem that problem is the termination retaining mechanism to be solved in the utility model, i.e. the locking mechanism structure complexity of prior art exists plug and inserts and take out all cumbersomely, uses convenient inadequately, problem flexibly.
It is as follows that this utility model solves the technical scheme that first technical problem takes:
The doctor has the air supply system termination, mainly comprise socket and with the joining joint of steam line, joint and socket are fixedly connected, design has the sealing of the axial keying break-make that twice are made of containment member on the gas passage that joint and socket constitute, design has the link gear that makes the two seals open-shut linkage between two seals, be positioned at that design has the socket joint pilot hole that constitutes the socket joint draw bail with plug on the gas passage of socket, on the socket also design have plug be fixed on retaining mechanism in the socket joint pilot hole.
In order to solve second problem that the utility model proposes, this utility model can be on the basis of technique scheme, with retaining mechanism be designed to by with plug on the bearing pin that is complementary of locking mechanism, gland, locking spring, be positioned at the chute on the receptacle channel cavity wall and be positioned on the gland wall two the guide groove of being at least that is complementary with chute and constitute, gland and spring all can be nested with outside the socket cavity body wall axially and movably, one end of spring acts on the spring base on the jack cavities outer wall, the other end acts on gland, the axle body of bearing pin is positioned at the chute on the channel lumens body wall, and can in chute, laterally slide, the two ends of bearing pin are placed in the guide groove that is positioned on the outer gland wall of receptacle channel cavity wall, and can laterally slide in guide groove.Be positioned at the top-priority scheme of chute on the receptacle channel cavity wall for being symmetrical arranged, be preferably two symmetrically arranged chutes.Configuration corresponding with chute be positioned at guide groove on the gland wall, its quantity is the twice of chute, when chute was two, guide groove was 4 guide grooves of two twenty percents " eight " font structure.
For the ease of inserting with the gas appliance plug and taking out, also a gland can be set outside gland.Gland can be placed in synchronously with axial motion with gland.The gland design has a protective sleeve that prevents the undue axial float of bearing pin.
In for the scheme that solves first problem proposition to be solved in the utility model, the said first road gas passage axially opens and closes the break-make sealing, and its sealing pair is a line contact seal pair.Sealing is arranged on the gas passage leading portion that is made of joint and socket, constitute by " O " RunddichtringO that is placed in the valve seat that is positioned on the passage, sphere core and back-moving spring, spring one end acts on spring base, the other end acts on spool, spool under the effect of spring, at non-working condition, i.e. aeration status not, be pressed on " O " type circle, form line contact seal pair.
The said second road gas passage axially opens and closes the break-make sealing, and its sealing pair is ring end face seal pair.Sealing is arranged on first road sealing gas passage afterwards, constitute by being placed in the hard packing, stepped plunger formula spool and the back-moving spring that are positioned at the valve seat on the gas passage, spring one end acts on the spring base that is positioned on the passage, the other end acts on stepped plunger formula spool, and the shoulder end face flange seal ring on the spool and the end face of hard packing form ring end face seal pair.When it was in airproof off working state, spool was pressed to filler under the effect of spring, had just formed the second road break-make sealing pair of gas passage between sealing ring and hard packing.Hard packing in valve seat has constituted between receptacle channel and joint passage simultaneously and has prevented that gas from connecting the static seal that part leaks from them.
Be used to make the link gear of two seals open-shut linkage, constitute by the stepped plunger formula spool and the back-moving spring that constitute the sealing of second road.When the spool of second road sealing moved downward unlatching, the lower end fore-set of spool moved downward unlatching with regard to the spool of roof pressure first road sealing.After plug was extracted from socket, the spool of second road sealing resetted under the effect of spring, returns to sealing state, simultaneously, because after the first road spool lost the pushing and withstanding effect of the second road spool, also returned to sealing state under its oneself spring action.
For the gas that makes the patient obtain cleaning, this utility model also is provided with the gas purification defecator in the porch of gas passage.Defecator is made of filtering net film and fixture that filtering net film is installed with on air flue nethike embrane seat.
This utility model has also been taked some other technical measures, is designed to conical bore as the socket joint pilot hole with socket, so that form the reasonable linear sealing pair of sealing effectiveness with plug, and is convenient to insert and the taking-up operation.In addition, on the gland also design guiding mechanism arranged.This mechanism constitutes by being arranged on the gathering sill on the gland protective sleeve and being fixed on the guide finger that mates with gathering sill on the receptacle channel cavity wall, and the guiding pair that gathering sill and guide finger constitute is two.Two seals on the gas passage, its back-moving spring all adopts the tower type spring, has increased the rigidity and the stability of spring, has improved the stability of valve core reset motion.
Each ingredient motion annexation of this utility model is: plug is in the process of the pilot hole that inserts socket, the bearing pin of retaining mechanism outwards laterally slides crowded the pushing along the notch-cut type chute on the receptacle channel cavity wall of plug, because the two ends of bearing pin are positioned at the guide groove on the gland wall simultaneously, and the direction of guide groove is angled with socket pilot hole axis, therefore, the outside motion of bearing pin makes gland move downward, the moving downward and make spring be compressed of gland.After socket joint is seated in the pilot hole of plug at socket, bearing pin is pushed down in the locking mechanism that is complementary with bearing pin on the plug in the effect of spring pressure, plug is installed with tightly in the socket pilot hole, seal structural part on the plug and the taper pilot hole on the socket have constituted the linear sealing pair, have prevented to leak from the assembling junction of plug and socket to the gas of patient's air feed.Insert in the process of pilot hole at plug, the poppet shaft of the pushing tow structure of plug pushing tow second road sealing is simultaneously drawn back, axially opened the sealing of second road, meanwhile, as the spool of second road sealing that constitutes the link gear that two seals opens and closes, when it axially retreats, the poppet shaft of pushing and withstanding first road sealing motion of drawing back again of its fore-set, opened the sealing of second road, thereby connected the supply air line of air supply system, provide required gas to the patient.
With plug when termination is extracted, push gland downwards with a hands, the gland that is placed in together with gland moves downward with gland, two ends are positioned at the bearing pin of the guide groove of two one-tenth " eight " font on the gland wall, in guide groove, relatively laterally slide, bearing pin is positioned at the notch-cut type chute on the receptacle channel cavity wall again simultaneously, can not move up and down, can only laterally slide relatively, therefore, when gland moves downward, under the effect of gland guide groove wall, outwards laterally slide in the chute of bearing pin on the receptacle channel cavity wall.When bearing pin outwards slided certain distance in chute after, the axle body of bearing pin just broke away from the locking mechanism that is complementary with bearing pin on the plug, and plug just is in the state that is not subjected to the constraint of socket retaining mechanism, pulls out with have gentle hands light one, just can extract in socket.After plug was extracted, after the hands of pushing gland was decontroled, retaining mechanism returned to and treats duty under the effect of its locking spring.Simultaneously, the two seals on the device gas passage also seals air flue thereupon.
The termination that this utility model provides, be not inserted into socket when being in the inoperative shape at the source of the gas plug, the gas pressure that is sealed is a static pressure, pressure is bigger, sealing is difficulty relatively, based on this, this utility model has adopted two seals, wherein first road is sealed into the linear sealing of " O " type circle and sphere core formation, has good seal performance, and is reliable and stable, the characteristics of long service life, second road is sealed into the face seal that hard packing and spool end flanged ring constitute, and except the characteristics with the sealing of first road, filler has also constituted gas passage connection place quiet close between socket and joint.Distinctive these seal approach of this utility model have solved the gas leakage problem of air supply system termination when treating duty fully.Be inserted into socket at plug, when being in the ventilation duty, the gas pressure of sealing is dynamic pressure, and pressure is less, and sealing adopts the sealing means of prior art just can realize the purpose that seals than being easier in the assembling connection place of plug and socket.This utility model adopts the hermetically-sealed construction of circular cone pilot hole and plug to form at the sealing place linear sealing, the sealing effectiveness ideal.Therefore no matter the air supply system termination that provides of this utility model is to be in the static seal state, still is in the movable sealing state, and sealing effectiveness is all fine, has solved first problem that will solve that the utility model proposes fully.
The retaining mechanism of this utility model design, its cleverly structure make plug in case insert put in place, the mechanism that just is locked is locked in the pilot hole of socket tightly, and got through medical gas air feed path, when not needing air feed, as long as press the gland of retaining mechanism with hands, retaining mechanism has just lost plug latch has been fastened effect, plug one pulls out lightly with hands, just can in the pilot hole of socket, take out plug, meanwhile, the two seals on the socket is sealed the body passage of dying immediately, makes socket return to the state of the work for the treatment of again.Therefore, locking mechanism is easy to use, flexible, reliable, and the structure calculation is single, has also solved second problem that will solve that the utility model proposes fully.
Four, description of drawings
Accompanying drawing is the structural representation of an embodiment of the present utility model.
In the accompanying drawings, 1 fixture; 2 filtering net films; 3 back-moving springs; 4 hemisphere face spools; 5 " O " RunddichtringO; 6 back-moving springs; 7 fore-sets; 8 valve core spring seats; Flange seal ring on the 9 spool shoulder end face; 10 engineering plastics airtight and watertight paddings; 11 guiding locks; 12 gathering sills; 13 socket pilot holes; 14 bearing pins; 15 bearing pin guide grooves; 16 glands; 17 protective sleeves; 18 glands; 19 bearing pin chutes; 20 locking springs; 21 stepped plunger formula spools; 22 sockets; 23 joints.
Five, the specific embodiment
Provide an embodiment of the present utility model below in conjunction with accompanying drawing.Concrete structure as shown in drawings.Medical gas supply system terminal device, its basic structure are to constitute by socket 22 with the joining joint 23 of air supply system air supply pipe, and socket and joint are fixedly connected by screw thread pair, and the design of joint lower end has the external screw thread that connects with air supply pipe.The gas passage that socket and joint constitute is provided with the sealing that twice axially open and close.The member of first road sealing has back-moving spring 3, hemisphere face spool 4 and " O " RunddichtringO 5 that is placed in the valve seat that is positioned on the passage.Back-moving spring is the tower type spring, and other big end acts on the spring base that is positioned on the passage, and small end acts on the hemisphere face spool, and the sphere of spool constitutes the sealing pair that first road seals with " O " type circle.The member of second road sealing has tower type back-moving spring 6, stepped plunger formula spool 21 and the engineering plastics filler 10 that is placed in the valve seat that is positioned on the passage, flanged ring 9 on the lower surface of duroplasts filler and the spool on the shoulder end face constitutes the face seal pair, the big end of tower type back-moving spring acts on the spring base that is positioned on the passage, and small end acts on the spool land face.Constitute the duroplasts filler of sealing pair, also constituted the filler static seal of gas passage connection place between socket and joint.Constitute the stepped plunger formula spool of second road sealing and the link gear that the tower type back-moving spring has also constituted the two seals open-shut linkage simultaneously.Promptly directly drive the keying of the first road sealed valve core 4 by the fore-set 7 on the spool of second road sealing.On the gas passage of sealing front, first road, also design has the gas filtration purifier.This defecator constitutes the fixture 1 that nethike embrane is installed with in the nethike embrane seat by filtering net film 2 with by screw thread pair.
Design has and the circular cone socket joint pilot hole 13 that constitutes the socket joint assembly structure with the gas appliance plug on the gas passage of socket, the design of the upper end of socket have with the pilot hole phase configuration plug is fixed on retaining mechanism in the pilot hole.Retaining mechanism by with plug on the bearing pin that is complementary of locking mechanism, be positioned at channel lumens body wall outer gland 18, locking spring 20, be complementary with gland and be positioned at the outer gland 16 of gland 18, and be positioned at two notch-cut type chutes 19 that are complementary with bearing pin on the socket cavity body wall and be positioned at constituting of two twenty percents " eight " font structure on the gland wall with corresponding four guide grooves 15 of chute.The cell wall direction of notch-cut type chute is perpendicular to the gas passage axis, two chute symmetric designs, and the equal penetrating via cavity wall of mid portion, bearing pin can laterally slide in chute.15, two guide grooves of four guide grooves on the gland wall and a chute on the cavity wall are complementary, and the direction of guide groove and gas passage axis are angled.The axle body mid portion of bearing pin is positioned at the chute of socket cavity body wall, and its two ends are positioned at and corresponding two guide grooves of this chute, and can laterally slide in sliding horizontal stroke and guide groove.Be positioned at receptacle channel cavity wall outer gland and locking spring; mutual installation is closed; the spring lower end acts on as on the circular bead surface outside the socket cavity body wall of spring base; the upper end acts on the lower surface of gland; the upper surface of gland be arranged on its outer gland circular bead surface and contact connection; the gland design has a protective sleeve 17; in case the undue axial float of shotpin axle and break away from guide groove on the gland; there are two to lock 11 gathering sills that are complementary 12 in the design of the jacket wall bottom of gland protective sleeve with the guiding that is fixed on the socket; two gathering sills are symmetrical arranged; the guide groove direction is consistent with the gland axis direction, and is consistent with the axis direction of socket gas passage to ensure that gland is depressed direction.Gland is placed on the socket by snap ring.
Version of the present utility model is not limited to the described embodiment form of accompanying drawing.
Claims (10)
1, a kind of medical gas supply system terminal device, mainly comprise socket and with the joining joint of steam line, joint and socket are fixedly connected, design has the gas passage break-make sealing that is made of sealing member on the gas passage of joint and socket formation, the gas path design that is positioned at socket has the socket joint pilot hole that constitutes the socket joint draw bail with plug, and design has plug is fixed on retaining mechanism in the socket joint pilot hole on socket, it is characterized in that the break-make sealing that design has twice axially to open and close on the gas passage that socket and joint constitute, and design there is the link gear that makes the two seals open-shut linkage between two seals.
2, medical gas supply system terminal device as claimed in claim 1, it is characterized in that said with plug be fixed on retaining mechanism in the socket pilot hole be by with plug on the bearing pin that is complementary of locking mechanism, gland, locking spring, be positioned at the chute on the channel lumens body wall and be positioned on the gland wall two the guide groove of being at least that is complementary with chute and constitute, gland and spring all can be nested with outside the socket cavity body wall axially and movably, one end of spring acts on the spring base on the jack cavities outside wall surface, the other end acts on gland, the axle body of bearing pin is positioned at the chute on the cavity wall and can laterally slides at chute, the bearing pin two ends are run through chute and are positioned at guide groove on the gland, and also can laterally slide in guide groove.
3, medical gas supply system terminal device as claimed in claim 2 is characterized in that the chute on the gas passage cavity wall is two chutes of symmetric design, and the guide groove that is positioned on the gland of corresponding configuration with chute is 4, the design of two twenty percents " eight " font.
4, medical gas supply system terminal device as claimed in claim 3; it is characterized in that also being provided with on the socket one can with the gland of the synchronous axially-movable of gland; gland is nested with outside gland; contact connection by shoulder end face with the gland upper surface, the gland design is useful on the protective sleeve that limits the undue axial float of bearing pin.
5,, it is characterized in that the sealing pair of the said first road gas passage break-make sealing is a line contact seal pair as claim 1 or 2 or 3 or 4 described medical gas supply system terminal devices.
6, medical gas supply system terminal device as claimed in claim 5, it is characterized in that the said first road gas passage break-make sealing is by holddown spring, sphere core constitutes with " O " RunddichtringO that is positioned at valve seat, spring one end acts on spring base, the other end acts on sphere core, and sphere core constitutes line contact seal pair with " O " RunddichtringO.
7,, it is characterized in that the sealing pair of the said second road gas passage break-make sealing is ring end face seal pair as claim 1 or 2 or 3 or 4 described medical gas supply system terminal devices.
8, medical gas supply system terminal device as claimed in claim 7, it is characterized in that the sealing of said second road is by holddown spring, stepped plunger formula spool be positioned at the intravital hard packing of valve support chamber and constitute, spring one end acts on spring base, the other end acts on spool, and shoulder end face flanged ring on the spool and hard packing end face constitute ring end face seal pair.
9, medical gas supply system terminal device as claimed in claim 8 is characterized in that the said link gear of two seals open-shut linkage that makes is made of the stepped plunger formula spool that constitutes the sealing of second road and the holddown spring that resets.
10, as claim 1 or 2 or 3 or 4 described medical gas supply system terminal devices, it is characterized in that the entry design at gas passage is useful on the filtering and purifying of Purge gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02276685U CN2571406Y (en) | 2002-09-29 | 2002-09-29 | Terminal device for medical gas supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02276685U CN2571406Y (en) | 2002-09-29 | 2002-09-29 | Terminal device for medical gas supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2571406Y true CN2571406Y (en) | 2003-09-10 |
Family
ID=33740491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02276685U Expired - Lifetime CN2571406Y (en) | 2002-09-29 | 2002-09-29 | Terminal device for medical gas supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2571406Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104189994A (en) * | 2014-09-11 | 2014-12-10 | 常州健瑞宝医疗器械有限公司 | Gas injection valve and puncturing device with same |
| EP4311970A1 (en) * | 2022-07-29 | 2024-01-31 | MJJC Manufacturing Co., Ltd. | Adapter between a household high-pressure spray gun and a water pipe |
-
2002
- 2002-09-29 CN CN02276685U patent/CN2571406Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104189994A (en) * | 2014-09-11 | 2014-12-10 | 常州健瑞宝医疗器械有限公司 | Gas injection valve and puncturing device with same |
| CN104189994B (en) * | 2014-09-11 | 2017-05-24 | 常州健瑞宝医疗器械有限公司 | Gas injection valve and puncturing device with same |
| EP4311970A1 (en) * | 2022-07-29 | 2024-01-31 | MJJC Manufacturing Co., Ltd. | Adapter between a household high-pressure spray gun and a water pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6543745B1 (en) | Male luer valve | |
| JPS649512B2 (en) | ||
| RU2012139444A (en) | NEW BEARLESS ACCESS CONNECTOR AND METHOD OF ITS APPLICATION | |
| NZ333508A (en) | Needleless luer connector, resilient diaphragm with central slit seals against luer | |
| CN2571406Y (en) | Terminal device for medical gas supply system | |
| CN202392336U (en) | Self-closing quick lock joint and self-closing connecting plug | |
| CN106640573A (en) | Medical pressure-stabilizing pump | |
| CN207539393U (en) | A kind of combination valve used in suitable gas pipeline | |
| CN205515709U (en) | Joint formula drainage bag connects | |
| CA2458531C (en) | Male luer valve | |
| CN207486192U (en) | A kind of quick-closing valve hydraulic cylinder assembly | |
| CN111888577B (en) | Medical syringe | |
| CN214839151U (en) | Automobile pipeline straight-through quick-insertion male joint with non-return structure | |
| CN205912514U (en) | Ventilation blower mouth | |
| CN107990031A (en) | A kind of backflow preventer | |
| CN208753629U (en) | A kind of quick coupling device facilitating connection by Elastic buckle | |
| CN202478404U (en) | Vacuum suction air source terminal | |
| CN203571285U (en) | Medical air supply terminal device convenient to maintain | |
| CN221683941U (en) | Waterway gas circuit module structure | |
| CN206361250U (en) | Split-type medical gas end | |
| CN217381747U (en) | Binary channels control valve body | |
| CN214435852U (en) | Oxygen pressure reducing valve | |
| CN219013407U (en) | Sealing device for gas cylinder valve | |
| CN218651876U (en) | Liposuction device for plastic and cosmetic surgery | |
| CN213871382U (en) | Sealing valve core and sealing device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SICHUAN JIANYANG GANGTONG GROUP CO., LTD. Free format text: FORMER OWNER: CHEN YONG Effective date: 20120302 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610021 CHENGDU, SICHUAN PROVINCE TO: 641400 ZIYANG, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120302 Address after: 641400 box 18, Jianyang, Sichuan Patentee after: Sichuan Jianyang Gangtong Group Co., Ltd. Address before: 610021 Sichuan city of Chengdu Province Wang Ping Street, No. 118, building 518 room Patentee before: Chen Yong |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120929 Granted publication date: 20030910 |