CN112957829B - A filter equipment for breathing machine - Google Patents
A filter equipment for breathing machine Download PDFInfo
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- CN112957829B CN112957829B CN202110154201.7A CN202110154201A CN112957829B CN 112957829 B CN112957829 B CN 112957829B CN 202110154201 A CN202110154201 A CN 202110154201A CN 112957829 B CN112957829 B CN 112957829B
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- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
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- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
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- 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
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4533—Gas separation or purification devices adapted for specific applications for medical purposes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Analytical Chemistry (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a filter device for a breathing machine, which belongs to the technical field of breathing machines and comprises a left shell and a right shell, wherein the right side wall of the left shell is in contact connection with the left side wall of the right shell, the right end of the outer wall of the left shell is fixedly provided with an annular plate, the inner wall of the annular plate is provided with an annular groove, the left end of the outer wall of the right shell is fixedly provided with symmetrical limit blocks, one side of the two limit blocks, which is far away from the right shell, is in sliding connection with the inner wall of the annular groove, the interiors of the two limit blocks are respectively provided with a cavity, the interiors of the two cavities are respectively and fixedly provided with a limit mechanism, the left side wall of the left shell is provided with an air outlet pipe in a sliding manner, the left end of the air outlet pipe penetrates through the side wall of the left shell and extends to the left end of the left shell, the operation is convenient, and the effect of replacing a filter core can be achieved in the shortest time, and the use cost is lower, and the filtering effect is greatly improved.
Description
Technical Field
The invention relates to the technical field of breathing machines, in particular to a filtering device for a breathing machine.
Background
The breathing machine is a clinical treatment apparatus commonly used in respiratory medicine, the gas of the breathing machine can directly participate in respiratory circulation after the processes of production, storage, transportation, use environment and the like, and only pressure parameters are required for the gas source of the breathing machine, and no effective measures are needed to monitor whether the quality of the gas entering the breathing machine is dustless and aseptic, so that a filtering device is needed to filter the oxygen circulating inside the breathing machine.
However, after the existing filtering device is used for a period of time, when the filtering capacity of the filtering core is reduced, the filtering core needs to be replaced immediately or the whole filtering device needs to be replaced directly, so that the mode is not only troublesome to operate, but also long time is required to delay the replacement of the filtering core, and the use cost is high.
Disclosure of Invention
The invention aims to provide a filter device for a respirator, which solves the problems that the filter element replacement time is poor, the operation is troublesome and the use cost is high when the filter element is replaced after the existing filter device proposed in the background technology is used for a long time.
In order to achieve the purpose, the invention provides the following technical scheme: a filtering device for a breathing machine comprises a left shell and a right shell, wherein the right side wall of the left shell is in contact connection with the left side wall of the right shell, an annular plate is fixedly arranged at the right end of the outer wall of the left shell, an annular groove is formed in the inner wall of the annular plate, symmetrical limiting blocks are fixedly arranged at the left end of the outer wall of the right shell, one side, far away from the right shell, of each limiting block is in sliding connection with the inner wall of the annular groove, cavities are formed in the two limiting blocks, limiting mechanisms are fixedly arranged in the two cavities, an air outlet pipe is slidably arranged on the left side wall of the left shell, the left end of the air outlet pipe penetrates through the side wall of the left shell and extends to the left end of the left shell, branch pipes which are uniformly distributed are fixedly arranged at the right end of the air outlet pipe, single-phase airflow valves are fixedly arranged in the branch pipes, and sleeve pipes are fixedly arranged at the right ends of the branch pipes which are uniformly distributed, the telescopic inside all is fixed to be provided with crosses the filter core, the fixed limiting plate that is provided with the symmetry of right-hand member of outlet duct pipe wall, the fixed cover in outside of outlet duct has connect first spring, the left end of first spring with the inner wall fixed connection of left side casing, the right-hand member of first spring with the left side wall contact of limiting plate is connected, the fixed intake pipe that is provided with of lateral wall of right side casing, the left end of intake pipe is fixed and is provided with the connecting pipe, the left end of connecting pipe is fixed and is provided with the intubate, the intubate with peg graft between the sleeve pipe, the right-hand member of intake pipe runs through the lateral wall of right side casing and extends to the right-hand member of right side casing, the pipe wall of intake pipe and outlet duct all slides and is provided with the installation pipe.
Preferably, the limiting mechanism includes a moving block, the moving block is slidably connected to the inner wall of the cavity, a strip-shaped opening is formed in the right side wall of the cavity, a pulling block is fixedly arranged on the right side wall of the moving block, the right end of the pulling block penetrates through the side wall of the strip-shaped opening and extends to the outside, a clamping rod is fixedly arranged on the upper side wall of the moving block, clamping grooves which are uniformly distributed are formed in the annular groove, one end, away from the moving block, of the clamping rod penetrates through the side wall of the cavity and extends to the outside and is clamped with the clamping grooves, a second spring is fixedly sleeved on the outside of the clamping rod, one end of the second spring is fixedly connected to the inner wall of the cavity, and the other end of the second spring is fixedly connected to the side wall of the moving block.
Preferably, the branched pipes are uniformly distributed in an adjacent degree, and the clamping grooves are corresponding to the branched pipes.
Preferably, the filter element is made of polymer fibers.
Preferably, two the inside of installation pipe has all been seted up the spacing groove, the lateral wall of intake pipe and outlet duct is the fixed slider that is provided with the symmetry all, two the slider all with the inner wall sliding connection of spacing groove, two the installation internal thread has all been seted up to the inside of installation pipe.
Preferably, the left shell and the right shell are both transparent plastic shells, and a sealing ring is fixedly arranged between the left shell and the right shell.
Preferably, the sleeves which are uniformly distributed are fixedly provided with disposable dustproof films at the right ends of the filter cores.
Preferably, the external fixation of intubate is provided with the sealing washer, the seal groove has been seted up to sheathed tube inner wall, the joint between sealing washer and the seal groove.
Preferably, the side wall of the installation pipe is fixedly provided with a supporting block, the side wall of the supporting block is in threaded connection with a threaded rod, the upper end of the threaded rod is fixedly provided with a rotating block, the outer wall of the air outlet pipe is provided with fixing grooves which are uniformly distributed, and the lower end of the threaded rod is clamped with the fixing grooves.
Compared with the prior art, the invention has the beneficial effects that:
through the common cooperation of left casing, right casing, intake pipe, intubate, sleeve pipe, bleeder, outlet duct, be convenient for after long-time the use, when one of them crosses filter element filter effect and descends, can rotate right casing fast, make to peg graft between intubate and several other sleeves, filter the air once more through the filter element that does not use, convenient operation just can reach the effect of changing the filter element in the shortest time, and use cost is lower, improves the filter effect greatly.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the left housing in FIG. 1;
FIG. 4 is an enlarged schematic view of portion B of FIG. 1;
FIG. 5 is an enlarged schematic view of a portion C of FIG. 1;
fig. 6 is an enlarged schematic view of a portion D in fig. 1.
In the figure: the filter element comprises a left shell 1, a right shell 2, an annular plate 3, a limiting block 4, an air outlet pipe 5, a branch pipe 6, a sleeve 7, a filter element 8, a limiting plate 9, a first spring 10, an air inlet pipe 11, a connecting pipe 12, an insertion pipe 13, a moving block 14, a pulling block 15, a clamping rod 16, a second spring 17, a sliding block 18 and an installation pipe 19.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-6, the present invention provides a technical solution: a filter device for a breathing machine comprises a left shell 1 and a right shell 2, the right side wall of the left shell 1 is in contact connection with the left side wall of the right shell 2, the right end of the outer wall of the left shell 1 is fixedly provided with an annular plate 3, the inner wall of the annular plate 3 is provided with an annular groove, the left end of the outer wall of the right shell 2 is fixedly provided with symmetrical limit blocks 4, one side of the two limit blocks 4 far away from the right shell 2 is in sliding connection with the inner wall of the annular groove, the insides of the two limit blocks 4 are both provided with cavities, the insides of the two cavities are both fixedly provided with limit mechanisms, the left side wall of the left shell 1 is provided with an air outlet pipe 5 in a sliding way, the left end of the air outlet pipe 5 penetrates through the side wall of the left shell 1 and extends to the left end of the left shell 1, the right end of the air outlet pipe 5 is fixedly provided with uniformly distributed branch pipes 6, the inside of the branch pipes 6 is both fixedly provided with air flow single-phase valves, the right ends of the uniformly distributed branch pipes 6 are both fixedly provided with sleeves 7, the inside of sleeve pipe 7 is all fixed and is provided with filter element 8, the fixed limiting plate 9 that is provided with the symmetry of right-hand member of 5 pipe walls of outlet duct, first spring 10 has been cup jointed to the external fixation of outlet duct 5, the left end of first spring 10 and left casing 1's inner wall fixed connection, the right-hand member of first spring 10 and limiting plate 9's left side wall contact are connected, the fixed intake pipe 11 that is provided with of right casing 2's lateral wall, the fixed connecting pipe 12 that is provided with in left end of intake pipe 11, the fixed intubate 13 that is provided with in left end of connecting pipe 12, peg graft between intubate 13 and the sleeve pipe 7, the right-hand member of intake pipe 11 runs through right casing 2's lateral wall and extends to right casing 2's right-hand member, the pipe wall of intake pipe 11 and outlet duct 5 all slides and is provided with installation pipe 19.
Stop gear includes movable block 14, movable block 14 and the inner wall sliding connection of cavity, the bar mouth has been seted up to the right side wall of cavity, the fixed draw block 15 that is provided with of right side wall of movable block 14, the right-hand member that draws block 15 runs through the lateral wall of bar mouth and extends to the outside, the fixed kelly 16 that is provided with of last lateral wall of movable block 14, the draw-in groove of evenly arranging is seted up to the inside of ring channel, kelly 16 keeps away from the one end of movable block 14 and runs through the lateral wall of cavity extend to the outside and with the draw-in groove between the joint, the external fixation of kelly 16 has cup jointed second spring 17, the one end of second spring 17 and the inner wall fixed connection of cavity, the other end of second spring 17 all with the lateral wall fixed connection of movable block 14, be convenient for quick rotatory right casing 2 reaches the effect of quick replacement filter core 8, and carry out spacing fixed to right casing 2.
The lateral pipe 6 of evenly arranging is adjacent 90 degrees and evenly arranges, and the draw-in groove of evenly arranging is corresponding with the lateral pipe 6 of evenly arranging, guarantees that right casing 2 whenever rotates 90 degrees by spacing fixed time, and inside intubate 13 just corresponds between with sleeve pipe 7.
The filter element 8 is made of polymer fiber, so that the filtering effect of the filter element 8 on dust and germs in the air is greatly improved.
The spacing groove has all been seted up to the inside of two installation pipes 19, and the lateral wall of intake pipe 11 and outlet duct 5 is the fixed slider 18 that is provided with the symmetry all, two sliders 18 all with the inner wall sliding connection of spacing groove, and the installation internal thread has all been seted up to the inside of two installation pipes 19, makes things convenient for filter equipment quick and respirator matter between the installation fixed.
Left casing 1 and right casing 2 are transparent plastic housing, and the fixed sealing washer that is provided with between left casing 1 and the right casing 2 prevents when right casing 2 is rotatory that the dust in the air directly gets into the inside of left casing 1 and right casing 2 through the gap department of left casing 1 and right casing 2.
The sleeve pipe 7 of evenly arranging just is located the right-hand member of crossing filter core 8 and all fixes being provided with disposable dust-proof membrane, not only can effectively prevent that the filter core 8 that does not use from placing the surface for a long time and attaching dust, and can be direct clear distinguish which filter core 8 is used, which filter core 8 is unused.
The fixed sealing washer 20 that is provided with in the outside of intubate 13, the seal groove has been seted up to the inner wall of sleeve pipe 7, and the joint between sealing washer 20 and the seal groove prevents to appear the poor problem of leakproofness in filterable in-process, causes gas leakage.
The fixed supporting shoe 21 that is provided with of lateral wall of installation pipe 19, the lateral wall threaded connection of supporting shoe 21 has threaded rod 22, and the fixed rotatory piece 23 that is provided with in upper end of threaded rod 22, the fixed slot of evenly arranging is seted up to the outer wall of outlet duct 5, the joint between the lower extreme of threaded rod 22 and the fixed slot.
The working principle is as follows: the filtering device is arranged on a pipeline of a breathing machine and is directly arranged and fixed with the pipeline of the breathing machine through the installation pipes 19 at two ends, when the filtering device is used for the first time, the intubation tube 13 is inserted and fixed with one of the sleeve tubes 9 and is connected with the intubation tube for use, when the filtering core 8 needs to be replaced after the filtering device is used for a period of time, the two pulling blocks 15 are pressed, the two pulling blocks 15 drive the moving block 14 fixedly connected with the side wall to move, the moving block 14 drives the clamping rod 16 fixedly connected with the side wall to move, the two clamping rods 16 are separated from the clamping groove, the air outlet pipe 5 is pulled, the air outlet pipe 5 drives the limiting plate 9 fixedly connected with the side wall to move leftwards, the two limiting plates 9 compress the first spring 10 fixedly connected with the left end, the sleeve tube 7 fixedly connected with the right end of the branched pipe 6 is separated from the intubation tube 13, the right shell 2 is rotated, the air outlet pipe 5 is loosened after the rotation is rotated by 90 degrees, the first spring 10 pushes the limiting plate 9 fixedly connected with the right end, limiting plate 9 drives and pegs graft between lateral pipe 6 and sleeve pipe 7 and the intubate 13 of right-hand member fixed connection and fixes, loosens and draws piece 15, and second spring 17 stimulates lateral wall fixed connection's movable block 14 to remove, and movable block 14 drives lateral wall fixed connection's kelly 16 once more and the joint between the draw-in groove, and after reusing a period, repetitive operation, rotate at every turn 90 degrees can, can rotate the cubic altogether.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claims.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A filtering device for a breathing machine comprises a left shell (1) and a right shell (2), and is characterized in that the right side wall of the left shell (1) is in contact connection with the left side wall of the right shell (2), a ring plate (3) is fixedly arranged at the right end of the outer wall of the left shell (1), a ring groove is formed in the inner wall of the ring plate (3), symmetrical limit blocks (4) are fixedly arranged at the left end of the outer wall of the right shell (2), one sides of the two limit blocks (4) far away from the right shell (2) are in sliding connection with the inner wall of the ring groove, cavities are formed in the two limit blocks (4), a limit mechanism is fixedly arranged in the two cavities, an outlet pipe (5) is slidably arranged on the left side wall of the left shell (1), and the left end of the outlet pipe (5) penetrates through the side wall of the left shell (1) and extends to the left end of the left shell (1), the air outlet pipe is characterized in that branched pipes (6) which are uniformly distributed are fixedly arranged at the right end of the air outlet pipe (5), air flow single-phase valves are fixedly arranged in the branched pipes (6), sleeves (7) are fixedly arranged at the right end of the branched pipes (6) which are uniformly distributed, filter elements (8) are fixedly arranged in the sleeves (7), symmetrical limiting plates (9) are fixedly arranged at the right end of the pipe wall of the air outlet pipe (5), first springs (10) are fixedly sleeved on the outer portions of the air outlet pipe (5), the left ends of the first springs (10) are fixedly connected with the inner wall of the left shell (1), the right ends of the first springs (10) are in contact connection with the left side wall of the limiting plates (9), an air inlet pipe (11) is fixedly arranged on the side wall of the right shell (2), and a connecting pipe (12) is fixedly arranged at the left end of the air inlet pipe (11), the left end of connecting pipe (12) is fixed and is provided with intubate (13), intubate (13) with peg graft between sleeve pipe (7), the right-hand member of intake pipe (11) runs through the lateral wall of right casing (2) and extends to the right-hand member of right casing (2), the pipe wall of intake pipe (11) and outlet duct (5) all slides and is provided with installation pipe (19).
2. A filter device for a ventilator as claimed in claim 1, wherein: the limiting mechanism comprises a moving block (14), the moving block (14) is connected with the inner wall of the cavity in a sliding manner, the right side wall of the cavity is provided with a strip-shaped opening, the right side wall of the moving block (14) is fixedly provided with a pulling block (15), the right end of the pulling block (15) penetrates through the side wall of the strip-shaped opening and extends to the outside, a clamping rod (16) is fixedly arranged on the upper side wall of the moving block (14), clamping grooves which are uniformly distributed are formed in the annular groove, one end of the clamping rod (16) far away from the moving block (14) penetrates through the side wall of the cavity to extend to the outside and is clamped with the clamping grooves, a second spring (17) is fixedly sleeved outside the clamping rod (16), one end of the second spring (17) is fixedly connected with the inner wall of the cavity, the other end of the second spring (17) is fixedly connected with the side wall of the moving block (14).
3. A filter device for a ventilator according to claim 2, wherein: the branched pipes (6) which are uniformly distributed at adjacent 90 degrees, and the clamping grooves which are uniformly distributed correspond to the branched pipes (6) which are uniformly distributed.
4. A filter device for a ventilator as claimed in claim 1, wherein: the filter element (8) is made of polymer fibers.
5. A filter device for a ventilator as claimed in claim 1, wherein: two the spacing groove has all been seted up to the inside of installation pipe (19), the lateral wall of intake pipe (11) and outlet duct (5) is all fixed slider (18) that are provided with the symmetry, two slider (18) all with the inner wall sliding connection of spacing groove, two the installation internal thread has all been seted up to the inside of installation pipe (19).
6. A filter device for a ventilator as claimed in claim 1, wherein: the left shell (1) and the right shell (2) are both transparent plastic shells, and a sealing ring is fixedly arranged between the left shell (1) and the right shell (2).
7. A filter device for a ventilator as claimed in claim 1, wherein: the sleeves (7) which are evenly distributed and positioned at the right end of the filter element (8) are all fixedly provided with disposable dustproof films.
8. A filter device for a ventilator as claimed in claim 1, wherein: the outside fixed sealing washer (20) that is provided with of intubate (13), the seal groove has been seted up to the inner wall of sleeve pipe (7), the joint between sealing washer (20) and the seal groove.
9. A filter device for a ventilator as claimed in claim 1, wherein: the side wall of installation pipe (19) is fixed and is provided with supporting shoe (21), the lateral wall threaded connection of supporting shoe (21) has threaded rod (22), the fixed rotatory piece (23) that is provided with in upper end of threaded rod (22), the fixed slot of evenly arranging is seted up to the outer wall of outlet duct (5), the lower extreme of threaded rod (22) with the joint between the fixed slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110154201.7A CN112957829B (en) | 2021-02-04 | 2021-02-04 | A filter equipment for breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110154201.7A CN112957829B (en) | 2021-02-04 | 2021-02-04 | A filter equipment for breathing machine |
Publications (2)
| Publication Number | Publication Date |
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| CN112957829A CN112957829A (en) | 2021-06-15 |
| CN112957829B true CN112957829B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110154201.7A Active CN112957829B (en) | 2021-02-04 | 2021-02-04 | A filter equipment for breathing machine |
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| CN (1) | CN112957829B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114950030B (en) * | 2021-12-24 | 2023-07-07 | 江苏凯普特动力机械股份有限公司 | Gas filtering switching type diesel generator |
| CN115779224B (en) * | 2023-02-07 | 2023-05-05 | 山东中医药大学附属医院 | Breathe internal medicine with breathing machine filter equipment that admits air |
| CN117643669B (en) * | 2024-01-26 | 2024-04-02 | 山东冠和医疗科技有限公司 | Breathing machine with filtering capability |
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| CN2728594Y (en) * | 2004-10-10 | 2005-09-28 | 马建光 | Self-cleaning water filter |
| CN105531007A (en) * | 2014-06-30 | 2016-04-27 | 富士过滤器工业股份有限公司 | Filtration device and filter element |
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| CN211836880U (en) * | 2020-02-27 | 2020-11-03 | 天津华建混凝土工程有限公司 | Dust collector of concrete processing |
| CN112240299A (en) * | 2019-07-16 | 2021-01-19 | 江苏亚龙水力设备有限公司 | Vacuum pump with detachable suction filtration structure |
| CN212454583U (en) * | 2020-07-01 | 2021-02-02 | 合肥汇凌汽车零部件有限公司 | Pickup exhaust muffler capable of saving space |
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2021
- 2021-02-04 CN CN202110154201.7A patent/CN112957829B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728594Y (en) * | 2004-10-10 | 2005-09-28 | 马建光 | Self-cleaning water filter |
| CN105916565A (en) * | 2014-01-15 | 2016-08-31 | 富士过滤器工业股份有限公司 | Filter element and filtration device |
| CN105531007A (en) * | 2014-06-30 | 2016-04-27 | 富士过滤器工业股份有限公司 | Filtration device and filter element |
| CN109621582A (en) * | 2019-01-15 | 2019-04-16 | 袁家和 | A kind of industrial production exhaust gas purification and treatment device |
| CN112240299A (en) * | 2019-07-16 | 2021-01-19 | 江苏亚龙水力设备有限公司 | Vacuum pump with detachable suction filtration structure |
| CN211836880U (en) * | 2020-02-27 | 2020-11-03 | 天津华建混凝土工程有限公司 | Dust collector of concrete processing |
| CN212454583U (en) * | 2020-07-01 | 2021-02-02 | 合肥汇凌汽车零部件有限公司 | Pickup exhaust muffler capable of saving space |
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|---|---|
| CN112957829A (en) | 2021-06-15 |
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