CN215962690U - Air inlet filtering structure - Google Patents
Air inlet filtering structure Download PDFInfo
- Publication number
- CN215962690U CN215962690U CN202122301827.4U CN202122301827U CN215962690U CN 215962690 U CN215962690 U CN 215962690U CN 202122301827 U CN202122301827 U CN 202122301827U CN 215962690 U CN215962690 U CN 215962690U
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- CN
- China
- Prior art keywords
- air inlet
- filtering
- air
- sleeve
- inlet nozzle
- 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 - Fee Related
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- 238000001914 filtration Methods 0.000 title claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 201000004193 respiratory failure Diseases 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an air inlet filtering structure which comprises a fixing plate and an air inlet nozzle connected to the fixing plate, wherein the air inlet nozzle is cylindrical, the side wall of the air inlet nozzle is provided with a plurality of air inlets, an inner filtering part is arranged on the inner ring of the air inlet nozzle, an outer filtering part is sleeved on the outer ring of the air inlet nozzle, and when air flows through the air inlets and flows out and in, the inner filtering part and the outer filtering part perform double filtering on the air flow. The utility model has simple structure, the sponge filter sleeve filters the air from the inside, the felt filter sleeve filters the air from the outside, the felt filter sleeve is supported on the air inlet nozzle by the fixing frame to be convenient for disassembly and replacement, and the filtering degree is improved and the noise is reduced by the internal and external double filtering.
Description
Technical Field
The utility model relates to the technical field of filtration, in particular to an air inlet filtering structure.
Background
The ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation, and has a very important position in the modern medical field as an effective means for manually replacing the autonomous ventilation function. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient; the air inlet nozzle of the respirator needs to filter inlet air, and at present, the filtering degree is low and the noise reduction capability is poor due to the fact that single-layer filtering is mainly adopted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an air inlet filtering structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an air inlet filtering structure, includes the fixed plate and connects the suction nozzle on it, the suction nozzle is cylindricly, and its lateral wall has seted up a plurality of air inlets, and the inner circle of suction nozzle is equipped with inside filtering component, and its overcoat is equipped with outside filtering component, and when the air current saw through the air inlet inside and outside flow, inside filtering component and outside filtering component dual filtration to the air current.
Preferably, the internal filtering component comprises a sponge filtering sleeve, the sponge filtering sleeve is inserted into the inner ring of the air inlet nozzle, a through hole is formed in the center of the sponge filtering sleeve, and the outer ring of the upper end of the sponge filtering sleeve is connected with a convex ring.
Preferably, the external filtering component comprises a felt filtering sleeve, the felt filtering sleeve is sleeved on the fixing frame, and the fixing frame is connected with the air inlet nozzle.
Preferably, the fixing frame comprises a convex rib, the convex rib is connected to the opening edge of the air inlet, and a conical surface is arranged at the upper end of the convex rib.
Preferably, a reinforcing rib is connected to the joint of the fixing plate and the air inlet nozzle.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure, the sponge filter sleeve filters the air from the inside, the felt filter sleeve filters the air from the outside, the felt filter sleeve is supported on the air inlet nozzle by the fixing frame to be convenient for disassembly and replacement, and the filtering degree is improved and the noise is reduced by the internal and external double filtering.
Drawings
In order to more particularly and intuitively illustrate an embodiment of the present invention or a prior art solution, a brief description of the drawings needed for use in the description of the embodiment or the prior art will be provided below.
FIG. 1 is a schematic structural diagram according to the present invention;
fig. 2 is a schematic view of the combined structure of fig. 1.
In the figure: the device comprises a fixing plate 1, a nozzle base 2, an air inlet nozzle 3, a convex rib 4, a reinforcing rib 5, a felt filter sleeve 6, a sponge filter sleeve 7, an air inlet 8 and a convex ring 9.
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.
Referring to fig. 1-2, an air inlet filtering structure comprises a fixing plate 1 and an air inlet nozzle 3 connected to the fixing plate, wherein the air inlet nozzle 3 is cylindrical, a plurality of air inlets 8 are formed in the side wall of the air inlet nozzle, an inner filtering component is arranged on the inner ring of the air inlet nozzle 3, an outer filtering component is arranged on the outer ring of the air inlet nozzle in a sleeved mode, and when air flows through the air inlets 8 and flows inside and outside, the inner filtering component and the outer filtering component perform double filtering on the air flows.
In this embodiment, the internal filter component includes the sponge filter sleeve 7, and the sponge filter sleeve 7 inserts 3 inner circles of suction nozzle, and the through-hole has been seted up at its center, and 7 upper end outer lanes of sponge filter sleeve are connected with protruding circle 9, and the sponge filter sleeve 7 filters the business turn over air from inside.
In this embodiment, the external filtering component includes a felt filtering sleeve 6, the felt filtering sleeve 6 is sleeved on the fixing frame, the fixing frame is connected with the air inlet nozzle 3, the felt filtering sleeve 6 filters air from the outside, and the felt filtering sleeve 6 is supported on the air inlet nozzle 3 by the fixing frame.
In this embodiment, the mount includes protruding muscle 4, and protruding muscle 4 is connected in the mouth of air inlet 8 along the department, and the upper end of protruding muscle 4 is equipped with the conical surface, and protruding muscle 4 is used for supporting felt filter sleeve 6, and the setting of this conical surface is convenient for the felt filter sleeve 6 embolia.
In this embodiment, the junction of fixed plate 1 and suction nozzle 3 is connected with strengthening rib 5, improves the joint strength between fixed plate 1 and the suction nozzle 3.
In the present case, sponge filter sleeve 7 filters business turn over air from inside, and felt filter sleeve 6 filters business turn over air from the outside, and felt filter sleeve 6 utilizes the mount supporting sleeve just to dismouting replacement above suction nozzle 3, through inside and outside dual filtration, improves filtration degree, noise reduction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides an air inlet filtering structure, includes fixed plate (1) and suction nozzle (3) of connection on it, its characterized in that, suction nozzle (3) are cylindricly, and its lateral wall has seted up a plurality of air inlets (8), and the inner circle of suction nozzle (3) is equipped with inside filtering component, and its overcoat is equipped with outside filtering component, and when the air current saw through air inlet (8) inside and outside flow, inside filtering component and outside filtering component double filtration to the air current.
2. The intake air filtering structure according to claim 1, wherein the internal filtering component comprises a sponge filtering sleeve (7), the sponge filtering sleeve (7) is inserted into the inner ring of the intake nozzle (3), the center of the sponge filtering sleeve is provided with a through hole, and the outer ring of the upper end of the sponge filtering sleeve (7) is connected with a convex ring (9).
3. An air inlet filter structure according to claim 2, characterized in that the external filter element comprises a felt filter sleeve (6), the felt filter sleeve (6) is sleeved on a fixed frame, and the fixed frame is connected with the air inlet nozzle (3).
4. An air inlet filter structure according to claim 3, wherein the fixing frame comprises a rib (4), the rib (4) is connected to the edge of the air inlet (8), and the upper end of the rib (4) is provided with a conical surface.
5. An air intake filter structure according to claim 4, wherein a reinforcing rib (5) is connected to the joint of the fixing plate (1) and the air intake nozzle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301827.4U CN215962690U (en) | 2021-09-23 | 2021-09-23 | Air inlet filtering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301827.4U CN215962690U (en) | 2021-09-23 | 2021-09-23 | Air inlet filtering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215962690U true CN215962690U (en) | 2022-03-08 |
Family
ID=80464517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122301827.4U Expired - Fee Related CN215962690U (en) | 2021-09-23 | 2021-09-23 | Air inlet filtering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215962690U (en) |
-
2021
- 2021-09-23 CN CN202122301827.4U patent/CN215962690U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |