CN218096396U - Negative pressure isolation cabin air inlet filter - Google Patents
Negative pressure isolation cabin air inlet filter Download PDFInfo
- Publication number
- CN218096396U CN218096396U CN202221972980.8U CN202221972980U CN218096396U CN 218096396 U CN218096396 U CN 218096396U CN 202221972980 U CN202221972980 U CN 202221972980U CN 218096396 U CN218096396 U CN 218096396U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- negative pressure
- pressure isolation
- isolation cabin
- filter paper
- 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.)
- Active
Links
Images
Abstract
The utility model relates to an air intake filter of a negative pressure isolation cabin, which comprises a telescopic cylinder, wherein both ends of the telescopic cylinder are respectively provided with a bottom plate and a top plate, the middle part of the top plate is provided with an air outlet, and the outer edge of the bottom plate is provided with at least one air inlet; the filter paper cylinder is arranged in the telescopic cylinder, two ends of the filter paper cylinder are respectively connected with the bottom plate and the top plate, the air outlet hole is communicated with the inside of the filter paper cylinder, the filter paper cylinder can stretch along the axial direction of the telescopic cylinder, and the air inlet hole is positioned on the outer side of the filter paper cylinder. The utility model relates to a negative pressure isolation cabin air inlet filter passes through a telescopic cylinder as the shell, and inside sets up telescopic filter paper section of thick bamboo for this device has less length under the state of accomodating, can not influence accomodating of negative pressure isolation cabin main part, consequently no longer need install air inlet filter again after negative pressure isolation cabin expandes, makes the installation of negative pressure isolation cabin convenient and fast more in order to adapt to emergency.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to negative pressure isolation cabin air inlet filter.
Background
The negative pressure isolation cabin generally comprises support overcoat transparent diaphragm, and the support then comprises a plurality of branch of falling the U-shaped branch linear arrangement and cooperating a plurality of horizontal branches, and the one end of negative pressure isolation cabin sets up the filtration equipment that bleeds, and the other end sets up to a plurality of air inlet filter for the interior pathogen can't leak, and can guarantee the cleanliness factor that admits air.
However, in the prior art, the negative pressure isolation cabin needs to be folded or compressed for storage, the air inlet filter is generally a fixed cylindrical shell, and a filtering device is arranged inside the air inlet filter, so that the air inlet filter is separated from the negative pressure isolation cabin when the negative pressure isolation cabin is stored.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides an air intake filter of a negative pressure isolation cabin, which comprises a telescopic cylinder, wherein a bottom plate and a top plate are respectively arranged at two ends of the telescopic cylinder, an air outlet hole is arranged in the middle of the top plate, and at least one air inlet hole is arranged at the outer edge of the bottom plate; the filter paper cylinder is arranged in the telescopic cylinder, two ends of the filter paper cylinder are respectively connected with the bottom plate and the top plate, the air outlet hole is communicated with the inside of the filter paper cylinder, the filter paper cylinder can stretch along the axial direction of the telescopic cylinder, and the air inlet hole is positioned on the outer side of the filter paper cylinder.
The telescopic cylinder comprises an upper cylinder, a middle cylinder and a lower cylinder; an upper ring groove is formed in the end face of the top of the middle barrel, and the upper barrel is slidably arranged in the upper ring groove; the end face of the bottom of the middle barrel is provided with a lower ring groove, and the lower barrel is slidably arranged in the lower ring groove.
Vertical sliding grooves are formed in the inner side walls of the upper ring groove and the lower ring groove, transverse grooves are formed in the positions, close to the opening ends of the corresponding ring grooves, of the sliding grooves, and the transverse grooves are communicated with the sliding grooves; go up a lateral wall lower part and a lateral wall upper portion all sets up the lug down, the lug can be in corresponding slide in the spout and can block into correspondingly the cross slot.
The side walls of the upper cylinder and the lower cylinder are frosted surfaces, and the inner walls of the upper ring groove and the lower ring groove are frosted surfaces.
The novel electric heating cooker is characterized in that a handle is arranged in the middle of the bottom plate.
The connecting pipe is arranged on the upper side of the top plate and communicated with the air outlet hole, and the connecting pipe is provided with external threads.
The beneficial effects of the utility model are that: the utility model provides a pair of negative pressure isolation cabin air inlet filter passes through a telescopic cylinder as the shell, and inside sets up the telescopic filter paper section of thick bamboo for this device has less length under the state of accomodating, can not influence accomodating of negative pressure isolation cabin main part, consequently no longer need install air inlet filter again after negative pressure isolation cabin expandes, makes the installation of negative pressure isolation cabin convenient and fast more in order to adapt to emergency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is an exploded view of the present invention;
FIG. 2 is an enlarged view of the section A of FIG. 1 according to the present invention;
fig. 3 is an exploded view of another angle of the present invention;
FIG. 4 is a schematic view of the usage state of the present invention;
fig. 5 is a schematic view of the storage state of the present invention;
fig. 6 is a schematic view of the flexible sealing cartridge of the present invention.
Description of the reference numerals
1. The flexible sealing device comprises a telescopic cylinder, 11, an upper cylinder, 111, a top plate, 112, an air outlet hole, 12, a middle cylinder, 121, an upper ring groove, 122, a lower ring groove, 13, a lower cylinder, 131, a bottom plate, 132, an air inlet hole, 2, a filter paper cylinder, 3, a lug, 4, a sliding groove, 41, a transverse groove, 5, a connecting pipe, 6, a handle, 7 and a flexible sealing cylinder.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1, 2 and 3, a negative pressure isolation cabin air intake filter, the casing of which is a telescopic cylinder 1, the two ends of the telescopic cylinder 1 are respectively provided with a bottom plate 131 and a top plate 111, the middle part of the top plate 111 is provided with an air outlet 112, the bottom plate 131 is circumferentially arrayed with a plurality of air inlets 132, the upper side of the top plate 111 is provided with a connecting pipe 5, the connecting pipe 5 is communicated with the air outlet 112, and the connecting pipe 5 is provided with an external thread for detachable connection with an installation part with an internal thread on the negative pressure isolation cabin.
The telescopic cylinder 1 comprises an upper cylinder 11, a middle cylinder 12 and a lower cylinder 13;
the top end surface of the middle cylinder 12 is provided with an upper ring groove 121, and the size of the upper cylinder 11 corresponds to the upper ring groove 121 so that the upper ring groove can be arranged in the upper ring groove 121 in a sliding manner;
the bottom end surface of the middle cylinder 12 is provided with a lower ring groove 122, and the size of the lower cylinder 13 corresponds to the lower ring groove 122 so that the lower cylinder can be slidably arranged in the lower ring groove 122.
Therefore, the overall height of the air intake filter in the storage state can be shortened to be approximately one third of the original height.
The main filtering component of the device is a filter paper cylinder 2 arranged in a telescopic cylinder 1, two ends of the filter paper cylinder 2 are respectively connected with a bottom plate 131 and a top plate 111, an air outlet 112 is communicated with the inside of the filter paper cylinder 2, the filter paper cylinder 2 can stretch along the axial direction of the telescopic cylinder, and an air inlet 132 is positioned at the outer side of the filter paper cylinder 2.
The filter paper cylinder 2 is formed by connecting a plurality of spindle-shaped filter paper cylinders end to end, the filter paper material can be the same fiber filter paper with low, medium and high-efficiency air inlet filters, the filter paper cylinder 2 can be further arranged into a plurality of filter paper cylinders according to requirements, and the filter paper cylinders are sleeved to achieve higher filtering efficiency, namely one filter paper cylinder in the embodiment.
Further, as shown in fig. 1 and fig. 2, a vertical non-through sliding groove 4 is arranged on the inner side wall of the upper ring groove 121 and the lower ring groove 122, a transverse groove 41 is formed at a position of the sliding groove 4 close to the opening end of the corresponding ring groove (i.e., the tail end of the side), and the transverse groove 41 is communicated with the sliding groove 4;
the lower part of the inner side wall of the upper barrel 11 and the upper part of the outer side wall of the lower barrel 13 are both provided with a lug 3, and the lug 3 can slide in the corresponding sliding groove 4 and can be clamped into the corresponding transverse groove 41.
When the upper tube 11 and the lower tube 13 are stretched outward to the end of the sliding groove 4, the middle tube 12 is rotated to allow the two protrusions 3 to be clamped into the two corresponding transverse grooves 41 to complete the fixation of the telescopic tube 1, and it should be noted that a plurality of clamping structures such as the sliding grooves 4, the transverse grooves 41 and the protrusions 3 may be provided, and the clamping structures are circumferentially spaced on the corresponding tube side walls.
Whether the bump 3 is arranged on the inner side wall or the outer side wall, which side wall the sliding groove 4 is located in the ring groove and which side the transverse groove 41 is located in the sliding groove 4 are not specifically limited, and only when the middle cylinder 12 rotates, the bump 3 can be clamped into the corresponding transverse groove 41.
The utility model discloses before using, be in as shown the state of accomodating of figure 5, and through the installation union coupling that connecting pipe 5 and negative pressure isolation cabin correspond, after negative pressure isolation cabin extends fixedly, outwards draw through handle 6 on the bottom plate 131, draw and fall a position after rotate well section of thick bamboo 12 and make lug 3 all block into accomplish fixedly in the transverse groove 41 that corresponds, make it reach as shown the expansion state of figure 4, later the negative pressure starts in the isolation cabin, the outside air passes through the inlet port 132 and gets into, go into the isolation cabin after the filtration of filter paper section of thick bamboo 2.
In order to provide better sealing between the ring groove and the upper and lower barrels, the side walls of the upper barrel 11 and the lower barrel 13 may be provided with frosted surfaces, and the inner walls of the upper ring groove 121 and the lower ring groove 122 are frosted surfaces.
Generally, the negative pressure isolation cabin only provides weak negative pressure, so the frosted surface can be arranged to meet the sealing requirement, but if the equipped negative pressure equipment is strong, two flexible sealing cylinders, such as flexible cylinders made of thin rubber or polyethylene, can be arranged as shown in fig. 6, one end of each flexible sealing cylinder 7 is connected with the outer side wall of the middle cylinder 12, and the other end is connected with the outer edges of the top plate 111 and the bottom plate 131 respectively.
In addition, it should be noted that the thicknesses of the upper and lower cylinders are equal to the thicknesses of the corresponding ring grooves, but the lengths are longer than the depths of the corresponding ring grooves, and if the intake air filter is used as a disposable product, the intake air filter in a new storage state should be replaced before being stored after the isolation cabin is used, so that the intake air filter is convenient to use next time.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Claims (6)
1. The negative pressure isolation cabin air inlet filter is characterized by comprising a telescopic cylinder, wherein a bottom plate and a top plate are respectively arranged at two ends of the telescopic cylinder, an air outlet hole is formed in the middle of the top plate, and at least one air inlet hole is formed in the outer edge of the bottom plate;
the filter paper cylinder is arranged in the telescopic cylinder, two ends of the filter paper cylinder are respectively connected with the bottom plate and the top plate, the air outlet hole is communicated with the inside of the filter paper cylinder, the filter paper cylinder can stretch along the axial direction of the telescopic cylinder, and the air inlet hole is positioned on the outer side of the filter paper cylinder.
2. The negative pressure isolation cabin air intake filter of claim 1, wherein the telescopic cylinder comprises an upper cylinder, a middle cylinder and a lower cylinder;
an upper ring groove is formed in the end face of the top of the middle cylinder, and the upper cylinder is slidably arranged in the upper ring groove;
the end face of the bottom of the middle cylinder is provided with a lower annular groove, and the lower cylinder is slidably arranged in the lower annular groove.
3. The negative pressure isolation cabin air inlet filter of claim 2, wherein vertical sliding grooves are formed in the inner side walls of the upper ring groove and the lower ring groove, transverse grooves are formed in the positions, close to the opening ends of the corresponding ring grooves, of the sliding grooves, and the transverse grooves are communicated with the sliding grooves;
go up a section of thick bamboo lateral wall lower part and a section of thick bamboo lateral wall upper portion all sets up the lug, the lug can be in corresponding slide in the spout and can block into correspondingly the cross slot.
4. The negative pressure isolation cabin air intake filter of claim 3, wherein the side walls of the upper cylinder and the lower cylinder are frosted surfaces, and the inner walls of the upper ring groove and the lower ring groove are frosted surfaces.
5. The negative pressure isolation cabin air intake filter of any one of claims 1 to 4, wherein a handle is arranged in the middle of the bottom plate.
6. The negative pressure isolation cabin air intake filter of any one of claims 1 to 4, wherein a connecting pipe is arranged on the upper side of the top plate, the connecting pipe is communicated with the air outlet hole, and the connecting pipe is provided with an external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221972980.8U CN218096396U (en) | 2022-07-28 | 2022-07-28 | Negative pressure isolation cabin air inlet filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221972980.8U CN218096396U (en) | 2022-07-28 | 2022-07-28 | Negative pressure isolation cabin air inlet filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218096396U true CN218096396U (en) | 2022-12-20 |
Family
ID=84483820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221972980.8U Active CN218096396U (en) | 2022-07-28 | 2022-07-28 | Negative pressure isolation cabin air inlet filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218096396U (en) |
-
2022
- 2022-07-28 CN CN202221972980.8U patent/CN218096396U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206934385U (en) | A kind of tumor drainage device | |
| CN218096396U (en) | Negative pressure isolation cabin air inlet filter | |
| WO2023041028A1 (en) | Extraction pump structure of cosmetic packaging bottle | |
| CN206355360U (en) | A kind of tumor drainage device | |
| CN208948998U (en) | A kind of convenient tertiary filter of replacement filter core | |
| CN210583984U (en) | Double-layer bidirectional filter convenient for filter element replacement | |
| CN206809556U (en) | A kind of general-purpose type electric mask | |
| CN104799953A (en) | Medical waste liquid collection system | |
| CN214807884U (en) | Connecting device convenient for connecting various drainage tubes and drainage bags for hepatobiliary surgery | |
| CN216497831U (en) | High-efficiency anesthesia filter used in anesthesia puncture bag | |
| CN210873268U (en) | Improved negative pressure drainage device | |
| CN214965932U (en) | Breath carbon dioxide gas collector | |
| CN212926245U (en) | Box-type pipe network non-negative-pressure variable-frequency water supply equipment | |
| CN216584470U (en) | Filter element of water purifier | |
| CN209790969U (en) | Outdoor water filter for water treatment | |
| CN217651906U (en) | Secondary water supply equipment convenient to change filtration | |
| CN214182207U (en) | Filter element type breathing filter | |
| CN215135197U (en) | Artificial respirator for nursing | |
| CN209480244U (en) | A kind of ultrapure water storage apparatus | |
| CN216384854U (en) | Quick drying device of pore water in glass psammitolite class equipment | |
| CN213158732U (en) | Respiratory filter capable of relieving pressure | |
| CN209033870U (en) | Sample divider is filtered by vacuum | |
| CN220415723U (en) | Solar high-lift energy-saving water pump equipment | |
| CN215138464U (en) | Compressed air film dryer | |
| CN212262921U (en) | Testing device and testing system of roll type membrane element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |