CN111790033A - Cavity sealing assembly for breathing machine - Google Patents
Cavity sealing assembly for breathing machine Download PDFInfo
- Publication number
- CN111790033A CN111790033A CN202010695913.5A CN202010695913A CN111790033A CN 111790033 A CN111790033 A CN 111790033A CN 202010695913 A CN202010695913 A CN 202010695913A CN 111790033 A CN111790033 A CN 111790033A
- Authority
- CN
- China
- Prior art keywords
- sealing cover
- sealing
- elastic
- wall
- shell body
- 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.)
- Withdrawn
Links
Images
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2422—Mounting of the body within a housing
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- Hematology (AREA)
- Emergency Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a cavity sealing assembly for a respirator, which relates to the field of respirators and comprises an outer shell and a sealing cover, wherein filter cotton is arranged in two filter cotton placing cavities separated by a partition plate in the outer shell, one port of the outer shell is connected with the sealing cover, and the other side wall of the outer shell is provided with an air inlet interface and an air outlet interface which are respectively communicated with the two filter cotton placing cavities. According to the invention, the sealing cover is covered on the port of the outer shell, the pair of insertion rods integrally formed by the sealing cover are inserted into the clamping grooves formed in the outer wall of the connecting part of the sealing cover, and the elastic pins inserted into the clamping grooves penetrate out along the pin holes formed in the insertion rods under the elastic action of the spring to limit the insertion rods, so that the sealing cover is prevented from being separated from the outer shell, and the installation is convenient.
Description
Technical Field
The invention relates to the field of respirators, in particular to a cavity sealing assembly for a respirator.
Background
The gas exhausted by the breathing machine contains a large amount of pathogenic bacteria, which not only pollutes the environment, but also is easy to cause cross infection in a hospital. The pollution to the gas discharged by the breathing machine is not paid attention to clinically, the pollution to the air of a ward by pathogenic bacteria in the gas exhaled by a patient is cut off, cross infection in the hospital is prevented, harm to medical personnel is reduced, and the problem can be better avoided by installing a bacterial filter at the exhalation end of the breathing machine.
In the reusable bacteria filter, the filter membrane inside the reusable bacteria filter is replaced, and the reusable bacteria filter can be reused after high-temperature and high-pressure steam sterilization. Because the filtration membrane is changed the in-process, the bacterium filter shell needs frequently to dismantle the equipment, leads to bacterium filter inner chamber leakproofness to reduce easily, influences the use of bacterium filter.
Disclosure of Invention
The present invention is directed to a chamber sealing assembly for a ventilator, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cavity seal assembly for breathing machine, includes shell body and closing cap, the inside baffle that is provided with of shell body, shell body inner chamber are separated by the baffle and are placed the chamber for two filter cottons, and two filter cottons are placed and are provided with the filter cottons in the chamber, and a port of shell body is connected with the closing cap, and another lateral wall of shell body is equipped with respectively places the interface of admitting air and the interface of exhausting that the chamber is linked together with two filter cottons, the port department integrated into one piece of shell body has the closing cap connecting portion, and the lateral wall of closing cap connecting portion laminates with the lateral wall of closing cap mutually, the lateral surface department integrated.
Preferably, the sealing cover is integrally formed with a sealing convex part at the inner side end connected with the outer shell, an annular sealing groove is formed in the outer wall of the sealing convex part, an O-shaped rubber gasket is fittingly clamped in the annular sealing groove, and the O-shaped rubber gasket is in close contact with the inner wall of the outer shell.
Preferably, the sealing gasket groove is formed in the side face, attached to the sealing cover, of the sealing cover connecting portion, and an elastic sealing ring is arranged in the sealing gasket groove in a matched and proper mode.
Preferably, the elastic sealing ring is composed of a metal elastic ring piece with an M-shaped section and a rubber ring sleeve wrapped outside the metal elastic ring piece, and under the action of elastic force exerted by the metal elastic ring piece towards two outer sides, two sides of the rubber ring sleeve are respectively in close contact with the sealing cover connecting part and the sealing pad groove formed in the sealing cover, so that the connection sealing performance of the rubber ring sleeve is ensured.
Preferably, the part of the M-shaped metal elastic ring piece, which is contacted with the rubber ring sleeve, is provided with a wear-resistant layer. The metal elastic ring piece is not easy to damage the rubber ring sleeve, thereby affecting the sealing performance of the cavity.
Preferably, a pair of insertion rods extending towards the direction of the sealing cover connecting part are integrally formed on two sides of the sealing cover, a clamping groove matched with the insertion rods is formed in the outer wall of the sealing cover connecting part, and the insertion rods are inserted into the clamping grooves formed in the outer wall of the sealing cover connecting part.
Preferably, an elastic pin is inserted into the bottom surface of the slot, a pin hole corresponding to the elastic pin is formed in the insertion rod, one end of the elastic pin is clamped in a pin sliding cavity formed in the sealing cover connecting portion, and a spring is connected between the inner end of the elastic pin and the bottom of the pin sliding cavity.
Preferably, the outer wall of the sealing convex part is also uniformly provided with a plurality of hemispherical elastic bulges which are abutted against the inner wall of the outer shell.
The invention has the technical effects and advantages that:
1. according to the invention, two pieces of filter cotton are respectively matched and properly placed in the filter cotton placing cavity of the outer shell, the port of the outer shell is covered with the sealing cover, and the air enters the inner cavity of the outer shell and then flows in a U shape, so that the filter cotton is ensured to fully filter the air, the structure is compact and small, and the filtering effect is good;
2. according to the invention, the sealing cover is covered at the port of the outer shell, the pair of insertion rods which are integrally formed by the sealing cover are inserted into the clamping grooves formed in the outer wall of the connecting part of the sealing cover, and the elastic pins inserted into the clamping grooves penetrate out along the pin holes formed in the insertion rods under the elastic action of the spring to limit the insertion rods, so that the sealing cover is prevented from being separated from the outer shell, and the installation is convenient;
3. the invention is characterized in that the side surfaces of the connecting part of the sealing cover, which are attached to the sealing cover, are respectively provided with a sealing gasket groove, an elastic sealing ring is arranged in the sealing gasket groove in a matching manner, the elastic sealing ring is composed of a metal elastic ring sheet with an M-shaped section and a rubber ring sleeve wrapped outside the metal elastic ring sheet, and under the action of elastic force exerted by the metal elastic ring sheet towards two outer sides, two sides of the rubber ring sleeve are respectively in close contact with the connecting part of the sealing cover and the sealing gasket groove arranged on the sealing cover, so that the connection sealing performance of the sealing gasket is ensured.
4. The wear-resistant layer is arranged on the part of the M-shaped metal elastic ring piece, which is in contact with the rubber ring sleeve. The metal elastic ring piece is not easy to damage the rubber ring sleeve, thereby affecting the sealing performance of the cavity.
5. According to the invention, the outer wall of the sealing convex part is also uniformly provided with the plurality of hemispherical elastic bulges which are abutted against the inner wall of the outer shell, so that the friction force between the outer wall of the sealing convex part and the inner wall of the outer shell is increased, the sealing convex part is in close contact with the inner wall of the outer shell, and the sealing performance of the sealing convex part is not easy to shake.
Drawings
Fig. 1 is a schematic perspective view 1 of the present invention.
Fig. 2 is a schematic perspective view of the present invention 2.
Fig. 3 is a front cross-sectional view of the structure of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1. an outer housing; 2. sealing the cover; 201. a sealing protrusion; 3. a partition plate; 4. filtering cotton; 5. an air inlet interface; 6. an exhaust interface; 7. a cover attachment portion; 8. an O-shaped rubber gasket; 9. an elastic sealing ring; 901. a rubber ring sleeve; 902. a metal elastic ring sheet; 10. a card slot; 11. inserting a rod; 12. a spring pin; 13. a pin hole; 14. a handle; 15. a spring.
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.
The invention provides a cavity sealing assembly for a breathing machine as shown in figures 1-4, which comprises an outer shell 1 and a sealing cover 2, wherein a partition plate 3 is arranged in the outer shell 1, the inner cavity of the outer shell 1 is divided into two filter cotton placing cavities by the partition plate 3, filter cotton 4 is arranged in the two filter cotton placing cavities, one end opening of the outer shell 1 is connected with the sealing cover 2, and the other side wall of the outer shell 1 is respectively provided with an air inlet interface 5 and an air outlet interface 6 which are communicated with the two filter cotton placing cavities, so that air flows in the inner cavity of the outer shell 1 in a U shape, the filter cotton 4 is ensured to fully filter the air, the structure is compact and small, and the filtering effect is good.
Referring to fig. 1 and 3, a sealing protrusion 201 is integrally formed at an inner side end of the sealing cover 2 connected to the outer casing 1, an annular sealing groove is formed on an outer wall of the sealing protrusion 201, an O-ring rubber gasket 8 is fittingly engaged in the annular sealing groove, the O-ring rubber gasket 8 is tightly contacted with an inner wall of the outer casing 1 to ensure the sealing property of the sealing protrusion 201 connected to the port of the outer casing 1, a sealing cover connecting portion 7 is integrally formed at the port of the outer casing 1, a sidewall of the sealing cover connecting portion 7 is attached to a sidewall of the sealing cover 2, sealing gasket grooves are formed on both sides of the sealing cover connecting portion 7 attached to the sealing cover 2, an elastic sealing ring 9 is fittingly disposed in the sealing gasket groove, the elastic sealing ring 9 is composed of a metal elastic ring sheet 902 having an "M" shape in section and a rubber ring sleeve 901 wrapped outside the metal elastic ring sheet 902, and further, a wear-resistant layer is disposed on a portion of the "M" metal elastic, so that the metal elastic ring piece is not easy to damage the rubber ring sleeve. As shown in fig. 4, under the action of elastic force exerted on the two outer sides of the metal elastic ring piece 902, the two sides of the rubber ring sleeve 901 are respectively in close contact with the sealing pad grooves formed in the cover connecting portion 7 and the cover 2, so as to ensure the connection sealing performance.
Referring to fig. 3 and 4, a pair of insertion rods 11 extending toward the direction of the cover connecting portion 7 are integrally formed on two sides of the cover 2, a clamping groove 10 matched with the insertion rods 11 is formed in the outer wall of the cover connecting portion 7, the insertion rods 11 are inserted into the clamping groove 10 formed in the outer wall of the cover connecting portion 7, elastic pins 12 are inserted into the groove bottom surfaces of the clamping grooves 10, one ends of the elastic pins 12 are clamped in pin sliding cavities formed in the cover connecting portion 7, springs 15 are connected between the inner ends of the elastic pins 12 and the bottoms of the pin sliding cavities, under the elastic force action of the springs 15, the elastic pins 12 penetrate through pin holes 13 formed in the insertion rods 11, the insertion rods 11 are limited, the cover 2 is prevented from being separated from the outer shell 1, handles 14 are integrally formed on the outer side surfaces of the cover 2, and the cover 2 is convenient to pull.
According to the invention, two pieces of filter cotton 4 are respectively matched and properly placed in the filter cotton placing cavity of the outer shell 1, the port of the outer shell 1 is sealed, and gas enters the inner cavity of the outer shell 1 and then flows in a U shape, so that the filter cotton 4 can fully filter the air, and the filter is compact and small in structure and good in filtering effect;
through establishing the port at shell body 1 with closing cap 2 lid, and make closing cap 2 integrated into one piece's a pair of inserted bar 11 insert along draw-in groove 10 that closing cap connecting portion 7 outer wall was seted up, the bullet round pin 12 that establishes in draw-in groove 10 under the spring action of spring 15, makes bullet round pin 12 wear out along pinhole 13 that inserted bar 11 was seted up, carries on spacingly to inserted bar 11, prevents that closing cap 2 and shell body 1 from taking place to break away from simple to operate.
An annular sealing groove is formed in the outer wall of the sealing convex part 201 arranged on the inner side of the sealing cover 2, an O-shaped rubber gasket 8 is matched in the annular sealing groove, the O-shaped rubber gasket 8 is tightly contacted with the inner wall of the outer shell 1, and the connection sealing performance of the sealing convex part 201 and the port of the outer shell 1 is guaranteed;
the outer wall of sealed convex part 201 still sets up a plurality of hemisphere elastic bulge, and hemisphere elastic bulge and shell body 1's inner wall butt to frictional force between sealed convex part outer wall of increase and the shell body inner wall not only can make its in close contact with, thereby also difficult emergence is rocked and is influenced its leakproofness in addition.
The side surfaces of the sealing cover connecting part 7, which are attached to the sealing cover 2, are provided with sealing gasket grooves, elastic sealing ring rings 9 are arranged in the sealing gasket grooves in a matching mode, and two sides of each elastic sealing ring 9 are in tight contact with the sealing gasket grooves formed in the sealing cover connecting part 7 and the sealing cover 2 respectively, so that the connection sealing performance of the sealing gasket grooves is guaranteed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (2)
1. A cavity seal assembly for a ventilator, comprising an outer shell (1) and the cover (2), characterized in that: the sealing device is characterized in that the partition plate (3) is arranged in the shell body (1), an inner cavity of the shell body (1) is divided into two filter cotton placing cavities by the partition plate (3), the two filter cotton placing cavities are provided with filter cotton (4), one end opening of the shell body (1) is connected with the sealing cover (2), the other side wall of the shell body (1) is provided with an air inlet interface (5) and an air outlet interface (6) which are respectively communicated with the two filter cotton placing cavities, a sealing cover connecting part (7) is integrally formed at the end opening of the shell body (1), the side wall of the sealing cover connecting part (7) is attached to the side wall of the sealing cover (2), a handle (14) is integrally formed at the outer side surface of the sealing cover (2), a sealing convex part (201) is integrally formed at the inner side end of the sealing cover (2) connected with the shell body (1), an annular sealing groove is formed in the outer wall of the sealing convex part, sealed convex part (201) outer wall evenly distributed has a plurality of hemisphere elastic bulge, and the inner wall in close contact with of O type rubber packing ring (8) and shell body (1), hemisphere elastic bulge and shell body (1) inner wall butt, the side that closing cap connecting portion (7) and closing cap (2) laminated mutually has all seted up the gasket groove, and matches in the gasket groove and be provided with elastic seal ring (9) suitably. The elastic sealing ring (9) is composed of a metal elastic ring piece (902) with an M-shaped section and a rubber ring sleeve (901) wrapped outside the metal elastic ring piece (902), a wear-resistant layer is arranged at the part where the M-shaped metal elastic ring piece (902) abuts against the rubber ring sleeve (901), two sides of the rubber ring sleeve (901) are respectively in close contact with a sealing pad groove formed in the sealing cover connecting part (7) and the sealing cover (2), a pair of insertion rods (11) extending towards the sealing cover connecting part (7) are integrally formed at two sides of the sealing cover (2), a clamping groove (10) matched with the insertion rods (11) is formed in the outer wall of the sealing cover connecting part (7), the insertion rods (11) are inserted into the clamping groove (10) formed in the outer wall of the sealing cover connecting part (7), an elastic pin (12) is inserted into the groove bottom surface of the clamping groove (10), and a pin hole (13) corresponding to the elastic pin (12) is formed in the insertion rods (11), one end of the elastic pin (12) is clamped in a bolt sliding cavity formed in the sealing cover connecting part (7), and a spring (15) is connected between the inner end of the elastic pin (12) and the bottom of the bolt sliding cavity.
2. The cavity seal assembly for a ventilator of claim 2, wherein: the M-shaped metal elastic ring sheet (902) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695913.5A CN111790033A (en) | 2020-07-19 | 2020-07-19 | Cavity sealing assembly for breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695913.5A CN111790033A (en) | 2020-07-19 | 2020-07-19 | Cavity sealing assembly for breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111790033A true CN111790033A (en) | 2020-10-20 |
Family
ID=72807629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010695913.5A Withdrawn CN111790033A (en) | 2020-07-19 | 2020-07-19 | Cavity sealing assembly for breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111790033A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370891A (en) * | 2020-11-16 | 2021-02-19 | 绍兴市上虞区理工高等研究院 | Ventilation device |
-
2020
- 2020-07-19 CN CN202010695913.5A patent/CN111790033A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370891A (en) * | 2020-11-16 | 2021-02-19 | 绍兴市上虞区理工高等研究院 | Ventilation device |
| CN112370891B (en) * | 2020-11-16 | 2022-05-13 | 绍兴市上虞区理工高等研究院 | Ventilation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2002000300A2 (en) | Filter cartridge platform and filter cartridge for use on the platform | |
| CN111790033A (en) | Cavity sealing assembly for breathing machine | |
| CN102107038B (en) | Air delivery pipe of breathing mask and breathing mask | |
| CN205512483U (en) | Breathing mask | |
| JP2022008072A5 (en) | Protective clothing | |
| CN215585178U (en) | Breather valve for breathing machine | |
| CN111602878A (en) | Healthy and safe mask | |
| CN212575478U (en) | Negative pressure isolation protective mask | |
| CN213760030U (en) | Ventilation filter joint, respiratory mask and respiratory support equipment | |
| CN211326370U (en) | Movable epidemic prevention isolation cabin | |
| CN215303180U (en) | Non-anoxic health care mask | |
| CN213609495U (en) | Dust mask with observation window | |
| CN211885013U (en) | Safety protective mask for chemical industry processing | |
| CN212790190U (en) | Isolation device for respiratory medicine | |
| CN211751905U (en) | Respiratory isolator for infected patient | |
| CN213249070U (en) | Disposable bacterial filter | |
| CN213252294U (en) | Face protection device capable of realizing quick replacement of connecting part | |
| CN210844840U (en) | Nursing mask for emergency department nursing | |
| CN215537902U (en) | Protective mask for infectious disease control | |
| CN212880542U (en) | Medical breathing mask | |
| CN214232456U (en) | Air purification box for mask | |
| CN216360013U (en) | Exhaust fan of diving mask | |
| CN210196568U (en) | Vacuum bag bleeder valve | |
| CN215194781U (en) | Breathe clinical multiplexing profile cover of internal medicine | |
| CN215013841U (en) | Tight-fitting protective clothing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201020 |