CN106924852B - A kind of flap valve cover - Google Patents
A kind of flap valve cover Download PDFInfo
- Publication number
- CN106924852B CN106924852B CN201511017400.4A CN201511017400A CN106924852B CN 106924852 B CN106924852 B CN 106924852B CN 201511017400 A CN201511017400 A CN 201511017400A CN 106924852 B CN106924852 B CN 106924852B
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- Prior art keywords
- flap valve
- valve cover
- key
- breathing circuit
- pedestal
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Classifications
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- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
- A61M16/202—Controlled valves electrically actuated
- A61M16/203—Proportional
- A61M16/204—Proportional used for inhalation control
-
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
- A61M16/202—Controlled valves electrically actuated
- A61M16/203—Proportional
- A61M16/205—Proportional used for exhalation control
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0241—Anaesthetics; Analgesics
Landscapes
- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Valve Housings (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention provides a kind of flap valve covers, including cover and mechanism for assembling-disassembling；The cover includes two pieces of cover boards (1) in integral structure, for sealing two air flues (20) of breathing circuit (5)；The mechanism for assembling-disassembling is set between two cover plates (1), in the case where flap valve cover is in installation condition, by driving the mechanism for assembling-disassembling to remove flap valve cover from breathing circuit (5), in the case where flap valve cover is in non-installation condition, by driving the mechanism for assembling-disassembling that flap valve cover is mounted on breathing circuit (5), and make the outer surface of the flap valve cover being mounted on breathing circuit (5) and breathing circuit (5) in the same plane.The present invention by flap valve cover upper surface be designed as with breathing circuit flush with outer surface, to save space；The assembly method of buckle is made full use of to realize the fast assembling-disassembling of flap valve cover simultaneously；And design suction, expiratory valve cover as integral structure, solve the problems, such as that existing breathing circuit flap valve cover cannot have both in the presence of the two.
Description
Technical field
The present invention relates to Anesthesia machine technical fields, and in particular to a kind of flap valve cover.
Background technique
Inspiratory valve and expiratory valve are the important components of Anesthesia machine respiratory system, are two one-way valve structures.Work as patient
After completing anesthesia induction, in air-breathing, anesthesia inspiratory valve of the mixed gas through opening enters patient's body, exhales live at this time
Valve is closed；When exhaling, expiratory valve is opened, while inspiratory valve is closed, the gas that discharge patient breathes out to carbon dioxide
In tourie, setting is inhaled, expiratory valve is to prevent exhalation to guarantee patient's sucking live gas and breathe out extra gas
Gas containing carbon dioxide is low so as to avoid patient's fraction of inspired oxygen or gas concentration lwevel is high by suction body again
Risk.Therefore, inspiratory valve and expiratory valve are to playing important work on patient's anesthesia in the course of surgery, Breathing Suppotion
With.And flap valve cover is the component part of inspiratory valve and expiratory valve, flap valve cover, flap valve diaphragm and common group of other associated components
At suction, the structure of expiratory valve.
Flap valve heterogeneous currently on the market, but working principle is identical, is all the structure of check valve.In patient's suction, exhale
When gas, by being connected to different gas circuits, to breathe out exhaust gas while guaranteeing that patient sucks live gas.The form of flap valve cover is a variety of
Multiplicity, there are two main classes for mounting means, and one kind being mounted in breathing circuit surface, protrudes from breathing circuit, and flap valve cover is screwed to
On breathing circuit, in its maintenance or when cleaning-sterilizing, inhales, exhales flap valve cover that can individually screw down to be handled；Another kind is flap valve
The structure that cover is integrated with breathing circuit cover board, flap valve cover can not be dismantled individually at this time, when to maintenance or cleaning-sterilizing, obtain by
Entire cover board removes together.In conclusion the flap valve cover maintenance of the first structure or cleaning-sterilizing are convenient, but flap valve cover is convex
For breathing circuit, occupied space is larger, and influences beautiful, is structure as a whole for second, is exhaled with loop cover plate due to flap valve cover
Sucking back road overall surface is a plane, saves space, and relatively beautiful, the disadvantage is that maintenance, cleaning-sterilizing, just
It obtains and removes entire loop cover plate, therefore dismount inconvenient.
Summary of the invention
It is an object of the present invention to which for the technical problem for overcoming existing flap valve cover disassembly inconvenient, the present invention is devised
A kind of flap valve cover, this flap valve cover will be inhaled, expiratory valve cover is designed as integral structure, after being installed on breathing circuit, with
The fast assembling-disassembling of flap valve cover can be realized by the mechanism for assembling-disassembling being equipped with for breathing circuit flush.
To achieve the above object, a kind of flap valve cover provided by the invention, including cover and mechanism for assembling-disassembling；The cover packet
Two pieces of cover boards in integral structure are included, for sealing two air flues of breathing circuit；The mechanism for assembling-disassembling is set to two pieces of lids
Between plate, in the case where flap valve cover is in installation condition, by driving the mechanism for assembling-disassembling to remove flap valve cover from breathing circuit, in work
Valve cover is under non-installation condition, by driving the mechanism for assembling-disassembling that flap valve cover is mounted on breathing circuit, and to be mounted on
The outer surface of flap valve cover and breathing circuit on breathing circuit is in the same plane.
As a further improvement of the above technical scheme, the side wall of the cover board is equipped with sealing ring, for sealing breathing
The gap formed between circuit and cover board.
As a further improvement of the above technical scheme, the mechanism for assembling-disassembling includes: left button, middle key, right key
And pedestal；The pedestal is embedded on breathing circuit, for providing installation space for mechanism for assembling-disassembling, set on the pedestal there are four
L-shaped, symmetrical elastic clipping strip two-by-two；The left button and right key are symmetrically distributed in the two sides of middle key,
Three keys pass through spring supporting in the top of pedestal, and the bottom of the left button and right key is equipped with and four strips match
The bevel structure of conjunction, the bottom surface of the two cover plates are equipped with the fixed block matched with middle key；
In the case where flap valve cover is in installation condition, the bottom surface of four strip horizontal segments and the inner wall of middle key offset, and lead at this time
It crosses and presses left button and after right key moves into pedestal, so that the bevel structure of left button and right key squeezes four cards respectively
The side wall of horizontal segment, four strip horizontal segments are because elastic deformation moves horizontally, and then by the bottom of four strip horizontal segments
Face is separated with the inner wall of middle key, and the middle key described at this time is acted on outside pedestal after movement by the elastic force of spring, edge and two
Fixed block on block cover board offsets, and the middle key of breathing circuit outer surface is protruded from by pull portion structure, by cover from breathing
It is removed on circuit；
In the case where flap valve cover is in non-installation condition, squeeze its edge by the fixed block on two cover plates by pressing middle key
It is penetrated in pedestal after compressive strain, since middle key is acted on by the elastic force of spring, so that the edge of key and two pieces of lids in this
Fixed block on plate offsets, at this time by pressing left button and after right key moves into pedestal, so that left button and right key
Bevel structure squeeze the side walls of four strip horizontal segments respectively, after four strip horizontal segments are moved horizontally because of elastic deformation
Generate the space that penetrates of key in supplying, continue through press unclamped after middle key move to the bottom of pedestal left button and the right side by
Key, so that the bottom surface of four strip horizontal segments and the inner wall of middle key offset, left button, middle key and right key are in bullet at this time
The elastic force effect of spring is lower to be resetted, and in the same plane with the outer surface of breathing circuit.
The design of above-mentioned mechanism for assembling-disassembling takes full advantage of flap valve cover and middle key, middle key and pedestal, pedestal and left button
The reset response of the snapping relationship and spring that are formed between right key dexterously realizes the dismounting of flap valve cover.This buckle
Relationship be by bevel structure under the promotion of external force against the force of the spring, the strip being in contact with it is pushed open, to make strip
It is detached from the constraint in situ to key in releasing to bounce middle key, then key one is mentioned, just take out flap valve cover.
As a further improvement of the above technical scheme, the middle key is when penetrating pedestal, with fixed block and card
The contact surface to rub between item is in inclined-plane.
As a further improvement of the above technical scheme, the outer rim of the left button and right key is equipped with boss, described
Boss matched with the groove that pedestal is equipped with.
As a further improvement of the above technical scheme, it is set on the pedestal there are three support column, for being socketed and a left side
Three springs that key, middle key and right key match.
As a further improvement of the above technical scheme, the pedestal is fixed in by the screw worn and is breathed back
On the road.
A kind of the advantages of flap valve cover of the invention, is:
Flap valve cover of the invention meets the market requirement, by flap valve cover upper surface be designed as with breathing circuit flush with outer surface,
To save space, so that breathing circuit is more beautiful；The assembly method of buckle is made full use of to realize flap valve cover simultaneously
Fast assembling-disassembling；In addition, suction, expiratory valve cover are designed as integral structure, solves existing breathing circuit flap valve cover and exist
The problem of the two cannot have both.
Detailed description of the invention
Fig. 1 is the top view of one of embodiment of the present invention flap valve cover.
Fig. 2 be Fig. 1 shown in flap valve cover along A-A to cross-sectional view.
Fig. 3 is cross-sectional view of the flap valve cover shown in Figure 2 along B-B direction.
Fig. 4 be flap valve cover shown in Figure 2 along C-C to cross-sectional view.
Fig. 5 is the structural schematic diagram of the left button in the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of the pedestal in the embodiment of the present invention.
Fig. 7 be flap valve cover shown in Fig. 1 along A-A to the three-dimensional view after cutting.
Fig. 8 is three-dimensional view of the middle key after middle line cutting in the embodiment of the present invention.
Appended drawing reference
1, cover board 2, left button 3, middle key
4, right key 5, breathing circuit 6, the first spring
7, second spring 8, screw 9, pedestal
10, sealing ring 11, third spring 12, medial slope
13, outside inclined-plane 14, bevel structure 15, boss
16, groove 17, fixed block 18, strip
19, support column 20, air flue
Specific embodiment
A kind of flap valve cover of the present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of flap valve cover of the invention, including cover and mechanism for assembling-disassembling (not shown)；The cover packet
Two pieces of cover boards 1 in integral structure are included, for covering two air flues 20 (as shown in Figure 2) on breathing circuit 5, the dismounting
Mechanism is set between two cover plates 1, in the case where flap valve cover is in installation condition, by driving the mechanism for assembling-disassembling by flap valve cover from exhaling
It sucks back and is removed on road 5, in the case where flap valve cover is in non-installation condition, breathed back by driving the mechanism for assembling-disassembling to be mounted on flap valve cover
On road 5, and make the flush with outer surface on the flap valve cover surface being mounted on breathing circuit 5 Yu breathing circuit 5.As shown in Fig. 2, institute
Stating on the side wall of the two cover plates 1 of flap valve cover can form between breathing circuit 5 and cover board 1 for sealing equipped with sealing ring 10
Gap prevents the gas inside respiration valve from leaking into the external world, and the both ends of flap valve cover may be designed as circle, keeps it not only beautiful but also just
In processing.
Flap valve cover based on above structure, with reference to shown in Fig. 1-4, the mechanism for assembling-disassembling includes: left button 2, middle key
3, right key 4 and pedestal 9；The pedestal 9 is embedded on breathing circuit 5, for providing installation space for mechanism for assembling-disassembling, the bottom
Set that there are four L-shaped, symmetrical elastic clipping strips 18 two-by-two on seat 9；The left button 2 and right key 4 symmetrically divides
The two sides of middle key 3 are distributed in, three keys pass through the first spring 6, second spring 7, third spring 11 respectively and are supported in pedestal 9
The bottom of top, the left button 2 and right key 4 is equipped with the bevel structure 14 matched with four strips 18, two pieces of lids
The bottom surface of plate 1 is equipped with the fixed block 17 matched with middle key 3；
In the case where flap valve cover is in installation condition, the bottom surface of four 18 horizontal segments of strip and the inner wall of middle key 3 offset, this
When, when left button 2 and right key 4 are pressed simultaneously, left button 2 and right key 4 overcome the first spring 6 and third spring 11
Elastic force is acted on into pedestal 9 after movement, so that the bevel structure 14 of left button 2 and right key 4 squeezes four 18 water of strip respectively
The side wall of flat section, four 18 horizontal segments of strip push away the strip 18 on pedestal 9 because elastic deformation moves horizontally inwardly
It opens, and then the bottom surface of four 18 horizontal segments of strip is separated with the inner wall of middle key 3, at this point, the middle key 3 is in second spring
Pop-up is disengaged from strip 18 under 7 elastic force effect, the fixation after then moving to outside pedestal 9, on edge and two cover plates 1
Block 17 offsets, and the middle key 3 by catching part to protrude from 5 outer surface of breathing circuit mentions upwards, and cover is just in middle key 3
The lower outer surface for exposing breathing circuit 5 is pulled, so that entire flap valve cover be taken out from breathing circuit 5.
In the case where flap valve cover is in non-installation condition, when that need to reinstall flap valve cover to breathing circuit 5, first middle key 3 is pressed
Enter in cover, i.e., so that its edge is penetrated cover extremely after by the extrusion deformation of fixed block 17 on two cover plates 1 by pressing middle key 3
In pedestal 9, since middle key 3 is acted on by the elastic force of spring, so that the fixation in this on edge of key and two cover plates 1
Block 17 offsets, and then pins simultaneously after left button 2 and right key 4 move into pedestal 9, so that left button 2 and right key 4 is oblique
Face structure 14 squeezes the side wall of four 18 horizontal segments of strip respectively, and four 18 horizontal segments of strip are moved horizontally because of elastic deformation
The space that key 3 penetrates in supplying is generated afterwards, middle key 3 is pressed again and is pressed into pedestal 9, finally unclamps left button 2 and the right side
Key 4, so that the bottom surface of four 18 horizontal segments of strip and the inner wall of middle key 3 offset, and the two keys are made in the elastic force of spring
After lower reset, key 3 in further release；Left button 2, middle key 3 and right key 4 are under the elastic force effect of spring at this time
It resets, and in the same plane with the outer surface of breathing circuit 5.
Since the strip 18 on above-mentioned pedestal 9 is L-shaped, so that strip 18 can be with the inclined-plane of left button 2 and right key 4
Structure 14 is in contact, and can be in contact with middle key 3, and due to the bevel structure of design and the elastic property of strip itself, from
And realize the locking and unlock of flap valve cover.
As shown in Fig. 2, in the present embodiment, designing on the pedestal 9 there are three cylindrical support column 19, using respectively
It is socketed the first spring 6, second spring 7 and third spring 11, the spring in movement is oriented to.It is set on the pedestal 9
In respect of hole, pedestal 9 and breathing circuit 5 are fixed together by this Kong Keyong screw 8.
As shown in figure 3, the middle key 3 rubs between fixed block 17 and strip 18 when penetrating pedestal 9
Contact surface be in inclined-plane, i.e., design have medial slope 12 and outside inclined-plane 13 shown in figure.
In addition, being designed with boss 15 in the outer rim of left button 2 and right key 4, this boss with reference to shown in Fig. 5, Fig. 6
15 can be embedded in the groove 16 that pedestal 9 is equipped with, and pass through this groove 16, the spring of support key and the strip on pedestal 9
The 18 common limits realized to left button 2 and right key 4, left button 2 and right key 4 may be designed as semicircle shown in Fig. 1
Seem more perfect after structure, with cover form fit.
The flap valve cover is installed on the specific operation process on breathing circuit by the structure of flap valve cover with reference to shown in Fig. 1-8
Are as follows: firstly, pedestal 9 is fixed on breathing circuit 5 with screw 8；Then the first spring 6 and third spring 11 are respectively put into bottom
On the support column 19 of seat 9, then will be in the groove 16 of the boss 15 of left button 2 and right key 4 difference inserted base 9；By sealing ring
10 are packed on the side wall of two cover plates 1, and key 3 is pressed into cover in, then second spring 7 is inserted in the branch among pedestal 9
In dagger 19, the two cover plates 1 equipped with middle key 3 are covered on two air flues 20 of breathing circuit 5 later；Finally, simultaneously
It pins left button 2 and right key 4, and middle key 3 is pressed into the L shape strip 18 on pedestal 9, unclamp i.e. complete after three keys
At the installation of flap valve cover.
In the above-described embodiments, the flap valve cover uses arc-shaped, and in actual use, flap valve cover is also designed to
Other shapes, for example, polygon or star etc. be more convenient for grasp form；Pedestal can be fixed for screw, and buckle, riveting can also be used
It other connection types such as connects to be fixed on breathing circuit；L shape strip on pedestal may be designed as arc shape, convenient for strip from
Smoothly deviate from left and right key and middle key is from the steady disengagement in strip.Left and right key configuration design should be with flap valve cover
Overall appearance matches, optional to match suitable other shapes.In this embodiment, matching for strip and bevel structure is taken full advantage of
The elastic property of conjunction and strip, wherein bevel structure may be designed as other curved shapes, so that by key pressing and the mistake bounced
Cheng Zhong, transition are more steady.
Flap valve cover of the invention can be applied on the breathing circuit of Anesthesia machine, and the class for needing fast assembling-disassembling is also applicable in
As in other Related products, system or technical field.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, those skilled in the art should understand that, to technical side of the invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (7)
1. a kind of flap valve cover, which is characterized in that including cover and mechanism for assembling-disassembling；The cover includes two pieces in integral structure
Cover board (1), for sealing two air flues (20) of breathing circuit (5)；The mechanism for assembling-disassembling be set to two cover plates (1) it
Between, the mechanism for assembling-disassembling includes: left button (2), middle key (3), right key (4) and pedestal (9)；The pedestal (9) is embedding
On breathing circuit (5), for providing installation space for mechanism for assembling-disassembling, set on the pedestal (9) there are four it is L-shaped, two
Two symmetrical elastic clipping strips (18)；The left button (2) and right key (4) is symmetrically distributed in the two sides of middle key (3),
Three keys pass through spring supporting in the top of pedestal (9), and the bottom of the left button (2) and right key (4) is equipped with and four
The bevel structure (14) that a strip (18) matches, the bottom surface of the two cover plates (1), which is equipped with, to be matched with middle key (3)
Fixed block (17)；
In the case where flap valve cover is in installation condition, by driving the mechanism for assembling-disassembling to remove flap valve cover from breathing circuit (5), in work
Valve cover is under non-installation condition, by driving the mechanism for assembling-disassembling that flap valve cover is mounted on breathing circuit (5), and to install
Flap valve cover and the outer surface of breathing circuit (5) on breathing circuit (5) is in the same plane.
2. flap valve cover according to claim 1, which is characterized in that the side wall of the cover board (1) is equipped with sealing ring (10),
For sealing the gap formed between breathing circuit (5) and cover board (1).
3. flap valve cover according to claim 1, which is characterized in that in the case where flap valve cover is in installation condition, four strips
(18) bottom surface of horizontal segment and the inner wall of middle key (3) offset, at this time by pressing left button (2) and right key (4) to pedestal
(9) in after movement, so that the bevel structure (14) of left button (2) and right key (4) squeezes four strip (18) horizontal segments respectively
Side wall, four strip (18) horizontal segments are because elastic deformation moves horizontally, and then by the bottom of four strip (18) horizontal segments
Face is separated with the inner wall of middle key (3), the middle key (3) described at this time is acted on by the elastic force of spring moved outside to pedestal (9) after,
Edge offsets with the fixed block (17) on two cover plates (1), and is protruded from breathing circuit (5) outer surface by pull portion structure
Key (3) removes cover from breathing circuit (5)；
In the case where flap valve cover is in non-installation condition, make its edge by the fixed block on two cover plates (1) by pressing middle key (3)
(17) it is penetrated after being squeezed and deformed in pedestal (9), since middle key (3) is acted on by the elastic force of spring, so that key in this
Edge offsets with the fixed block (17) on two cover plates (1), at this time by pressing left button (2) and right key (4) to pedestal (9)
After interior movement, so that the bevel structure (14) of left button (2) and right key (4) squeezes the side of four strip (18) horizontal segments respectively
Wall, four strip (18) horizontal segments generate the space that key (3) penetrates in confession after moving horizontally because of elastic deformation, continue to lead to
It crosses to press and unclamps left button (2) and right key (4) after middle key (3) is moved to the bottom of pedestal (9), so that four strips (18)
The bottom surface of horizontal segment and the inner wall of middle key (3) offset, and left button (2), middle key (3) and right key (4) are in spring at this time
Elastic force effect it is lower reset, and it is in the same plane with the outer surface of breathing circuit (5).
4. flap valve cover according to claim 3, which is characterized in that the middle key (3) when penetrating pedestal (9),
The contact surface to rub between fixed block (17) and strip (18) is in inclined-plane.
5. flap valve cover according to claim 3, which is characterized in that the outer rim of the left button (2) and right key (4) is all provided with
Have boss (15), the boss (15) is matched with the groove (16) that pedestal (9) is equipped with.
6. flap valve cover according to claim 3, which is characterized in that it is set on the pedestal (9) there are three support column (19),
For being socketed three springs matched with left button (2), middle key (3) and right key (4).
7. flap valve cover according to claim 3, which is characterized in that the pedestal (9) pass through the screw (8) that wears by its
It is fixed on breathing circuit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017400.4A CN106924852B (en) | 2015-12-29 | 2015-12-29 | A kind of flap valve cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017400.4A CN106924852B (en) | 2015-12-29 | 2015-12-29 | A kind of flap valve cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106924852A CN106924852A (en) | 2017-07-07 |
| CN106924852B true CN106924852B (en) | 2019-06-21 |
Family
ID=59442283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511017400.4A Active CN106924852B (en) | 2015-12-29 | 2015-12-29 | A kind of flap valve cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106924852B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161086B (en) * | 2020-09-05 | 2022-03-15 | 北阀集团北京阀门有限公司 | Anti-impact check valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367322Y (en) * | 1998-11-04 | 2000-03-08 | 袁文德 | Self-breathing valve |
| CN203075399U (en) * | 2013-01-06 | 2013-07-24 | 南京蓝泰医疗器械有限公司 | Breathing circuit for anesthesia machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1684720B1 (en) * | 2003-11-17 | 2009-05-27 | Nektar Therapeutics | Introducing aerosol into a ventilator circuit |
| CA2837057C (en) * | 2011-06-06 | 2018-08-28 | Trudell Medical International | Oscillating positive expiratory pressure device |
-
2015
- 2015-12-29 CN CN201511017400.4A patent/CN106924852B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367322Y (en) * | 1998-11-04 | 2000-03-08 | 袁文德 | Self-breathing valve |
| CN203075399U (en) * | 2013-01-06 | 2013-07-24 | 南京蓝泰医疗器械有限公司 | Breathing circuit for anesthesia machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106924852A (en) | 2017-07-07 |
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