CN212938055U

CN212938055U - Mask with easily replaceable filter element for preventing and treating infectious diseases

Info

Publication number: CN212938055U
Application number: CN202021324748.4U
Authority: CN
Inventors: 张筱婕
Original assignee: Chongqing Medical and Pharmaceutical College
Current assignee: Chongqing Medical and Pharmaceutical College
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-13
Anticipated expiration: 2030-07-08

Abstract

The utility model relates to the technical field of medical equipment, specifically a prevention and cure passes catch disease with gauze mask of easily changing filter core, the both sides lateral wall of the cover body is equipped with two one-way discharge valve respectively, and four edges of the front side of the cover body respectively the hanging ring wheel that four symmetries of fixedly connected with set up, the front side center department intercommunication of the cover body is equipped with the intake pipe, and the intake pipe keeps away from a pot head of the cover body and is equipped with the cap, the inlet port that equidistant encircleed the setting is seted up to the lateral wall of. The utility model discloses in, through setting up moving mechanism, be convenient for release the one end of filter core and installation section of thick bamboo from the intake pipe, be convenient for take out the filter core, set up the rubber retainer plate and utilize its spring action to realize fixed to the filter core, the dismantlement of the filter core of being convenient for is fixed, and the in-process of renew cartridge does not need use tools, and easy operation uses manpower sparingly, and through the removable of realizing the filter core, is convenient for this device cleaning and disinfection, used repeatedly, save material and use cost.

Description

Mask with easily replaceable filter element for preventing and treating infectious diseases

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a mask which is used for preventing and treating infectious diseases and is easy to replace a filter element.

Background

Disease prevention and cure personnel need wear epidemic prevention gauze mask when getting into the epidemic area, and current epidemic prevention gauze mask generally can set up the filter on the gauze mask, carries out the isolation and the sterilization of bacterium, and disease control personnel wear the gauze mask and get into the epidemic area and can prevent that virus germ from invading the respiratory track, has made things convenient for medical personnel and reduce the emergence of infectious disease greatly.

However, the existing mask filter for preventing and treating infectious diseases and the mask are designed in an integrated mode, when the filter element of the filter needs to be replaced or cleaned and disinfected for a long time, the whole epidemic prevention mask needs to be replaced, material waste is caused, and the use cost is increased. Accordingly, those skilled in the art have provided a mask with an easily replaceable filter element for preventing and treating infectious diseases, which solves the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevention and cure infectious disease is with gauze mask of easily changing filter core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mask with easily replaceable filter element for preventing and treating infectious diseases comprises a mask body, two one-way exhaust valves are respectively arranged on the side walls of two sides of the mask body, four symmetrically arranged hanging belt rings are respectively and fixedly connected with four corners of the front side of the cover body, the center of the front side of the cover body is communicated with an air inlet pipe, and one end of the air inlet pipe, which is far away from the cover body, is sleeved with a cap, the side wall of the cap is provided with air inlet holes which are arranged in a surrounding way at equal intervals, an installation cylinder is arranged in the air inlet pipe, and the inner wall of the mounting cylinder is fixedly connected with a rubber fixing ring, a filter element is inserted in the rubber fixing ring, the inner wall of the rubber fixing ring is tightly abutted against the outer side wall of the filter element, the side wall of the upper end of the air inlet pipe is fixedly connected with a moving mechanism, and the lateral wall of intake pipe is seted up the sliding opening that sets up with moving mechanism intercommunication, moving mechanism's one end runs through the sliding opening and extends to in the intake pipe and with one side fixed connection of an installation section of thick bamboo.

As a further aspect of the present invention: moving mechanism is including fixing the casing on the intake pipe lateral wall, the upside of casing is inserted and is established and swivelling joint has the bull stick of vertical setting, and the one end of bull stick extends to in the casing and fixedly connected with initiative bevel gear, the both ends inner wall of casing rotates through two rotation pieces and is connected with the threaded rod of horizontal setting, and overlaps on the threaded rod and establish and the driven bevel gear of fixedly connected with, threaded connection has the nut piece on the threaded rod, and the downside fixedly connected with carriage release lever of nut piece, the one end that the nut piece was kept away from to the carriage release lever runs through the sliding opening and with installation section of thick bamboo fixed connection.

As a further aspect of the present invention: and one end of the rotating rod is fixedly connected with a rotating handle which is in a rectangular strip structure.

As a further aspect of the present invention: the through-hole has been seted up to the lateral wall of casing, and the bull stick runs through the through-hole setting, and the inner wall of through-hole passes through the bearing spare and is connected with the lateral wall rotation of bull stick.

As a further aspect of the present invention: the air inlet pipe is fixedly connected with an arc-shaped breathable filter screen at a communication opening of the cover body, and the radian trend of the arc-shaped breathable filter screen is consistent with that of the cover body.

As a further aspect of the present invention: the lateral wall cover of an installation section of thick bamboo is equipped with the silica gel sealing washer, and the lateral wall of silica gel sealing washer offsets and sliding connection with the inner wall of intake pipe.

As a further aspect of the present invention: the outer side wall of the opening end of the air inlet pipe is provided with an external thread, the inner wall of the cap is provided with an internal thread matched with the external thread, and the air inlet pipe is fixedly connected with the cap in a threaded detachable connection mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up moving mechanism, when needing to change the filter core, rotate and change the handle, it rotates to drive the bull stick, and then drive the rotation of drive bevel gear, it rotates to drive the threaded rod, because the axial of nut piece rotates and follows the movable rod and receive the restriction of sliding port, therefore, the displacement is forced to the nut piece, drive the installation section of thick bamboo displacement fixed with the movable rod, until release the one end of filter core and installation section of thick bamboo from the intake pipe, be convenient for take out the filter core, then reverse and change the handle, the same reason, the installation section of thick bamboo drives in the filter core retraction intake pipe this moment, then cover the cap, can accomplish the change of filter core, this device structural design is ingenious, the in-process of renew cartridge does not need the use tools, the operation is simple, manpower is saved, the change of the filter core of being convenient for, and through the change that realizes the filter.

2. Through setting up the rubber retainer plate, because the filter core passes through the elasticity of rubber retainer plate to be fixed in the installation section of thick bamboo, can directly take out the filter core, then in the new filter core inserts the rubber retainer plate in changing, utilize the elastic action of rubber retainer plate to realize fixing the filter core.

Drawings

FIG. 1 is a schematic perspective view of a mask with easily replaceable filter element for preventing and treating infectious diseases;

FIG. 2 is a schematic diagram of a right-side view cross-sectional structure of an inlet tube of a mask with an easily replaceable filter element for preventing and treating infectious diseases;

fig. 3 is an enlarged view of a portion a of fig. 2 of the mask with a replaceable filter element for preventing and treating infectious diseases.

In the figure: 1. a cover body; 2. a one-way exhaust valve; 3. a hanging belt ring; 4. an air inlet pipe; 5. a cap; 6. an air inlet; 7. mounting the cylinder; 8. a rubber retainer ring; 9. a filter element; 10. a sliding port; 11. a housing; 12. a rotating rod; 13. a drive bevel gear; 14. a rotating member; 15. a threaded rod; 16. a driven bevel gear; 17. a nut block; 18. a travel bar; 19. turning a handle; 20. an arc-shaped air-permeable filter screen; 21. silica gel sealing ring.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a mask with easily replaceable filter element for preventing and treating infectious diseases comprises a mask body 1, two one-way exhaust valves 2 are respectively disposed on two side walls of the mask body 1 for facilitating the discharge of human breath, four symmetrically disposed strap rings 3 are respectively fixedly connected to four corners of the front side of the mask body 1 for facilitating the fixing of straps, an air inlet pipe 4 is connected to the center of the front side of the mask body 1 for facilitating the inhalation of human body, a cap 5 is sleeved on an end of the air inlet pipe 4 away from the mask body 1, air inlet holes 6 are disposed on the side wall of the cap 5 at equal intervals, an installation cylinder 7 is disposed in the air inlet pipe 4, a rubber fixing ring 8 is fixedly connected to the inner wall of the installation cylinder 7, a filter element 9 is inserted in the rubber fixing ring 8, the filter element 9 filters viruses and bacteria, and the inner wall of the rubber fixing ring 8 is, because the filter element 9 is fixed in the mounting cylinder 7 through the elasticity of the rubber fixing ring 8, the filter element 9 can be directly drawn out, then a new filter element 9 is replaced and inserted into the rubber fixing ring 8, the filter element 9 is fixed by utilizing the elasticity of the rubber fixing ring 8, the side wall of the upper end of the air inlet pipe 4 is fixedly connected with the moving mechanism, the side wall of the air inlet pipe 4 is provided with a sliding opening 10 communicated with the moving mechanism, and one end of the moving mechanism penetrates through the sliding opening 10 to extend into the air inlet pipe 4 and is fixedly connected with one side of the mounting cylinder 7;

in fig. 2 and 3: the moving mechanism comprises a machine shell 11 fixed on the side wall of the air inlet pipe 4, the upper side of the machine shell 11 is inserted and rotatably connected with a vertically arranged rotating rod 12, one end of the rotating rod 12 extends into the machine shell 11 and is fixedly connected with a driving bevel gear 13, the inner walls of the two ends of the machine shell 11 are rotatably connected with a transversely arranged threaded rod 15 through two rotating pieces 14, a driven bevel gear 16 is sleeved and fixedly connected with the threaded rod 15, a nut block 17 is connected with the threaded rod 15 in a threaded manner, a moving rod 18 is fixedly connected with the lower side of the nut block 17, one end, far away from the nut block 17, of the moving rod 18 penetrates through the sliding port 10 and is fixedly connected with the mounting barrel 7, a rotating handle 19 is rotated to drive the rotating rod 12 to rotate and further drive the driving bevel gear 13 to rotate, the threaded rod 15 is driven to rotate due to the engagement of the driving bevel gear, the moving rod 18 fixed with the nut block 17 penetrates through the sliding opening 10, and the axial rotation of the nut block 17 is limited by the sliding opening 10 along with the moving rod 18, so that when the threaded rod 15 rotates, the nut block 17 is forced to displace to drive the mounting cylinder 7 fixed with the moving rod 18 to displace;

in fig. 1 and 2: one end of the rotating rod 12 positioned outside the casing 11 is fixedly connected with a rotating handle 19, and the rotating handle 19 adopts a rectangular strip structure, so that the rotating rod 12 can be conveniently rotated;

in fig. 3: a through hole is formed in the side wall of the casing 11, the rotating rod 12 penetrates through the through hole, and the inner wall of the through hole is rotatably connected with the outer side wall of the rotating rod 12 through a bearing piece, so that the rotating rod 12 can rotate conveniently;

in fig. 2: an arc-shaped air-permeable filter screen 20 is fixedly connected to a communication port of the air inlet pipe 4 and the cover body 1, and the radian trend of the arc-shaped air-permeable filter screen 20 is consistent with that of the cover body 1, so that sundries are prevented from entering the air inlet pipe 4;

in fig. 2: the outer side wall of the mounting cylinder 7 is sleeved with a silica gel sealing ring 21, and the outer side wall of the silica gel sealing ring 21 is abutted against and slidably connected with the inner wall of the air inlet pipe 4, so that the sealing property is improved, and air leakage is prevented;

in fig. 2: the open end lateral wall of intake pipe 4 is equipped with the external screw thread, and the inner wall of cap 5 is equipped with the internal thread that matches with the external screw thread, and intake pipe 4 adopts the mode fixed connection that the screw thread can be dismantled with cap 5, and is fixed firm, simple to operate.

The utility model discloses a theory of operation is: when the filter element 9 needs to be replaced, the cap 5 is firstly screwed to separate the cap 5 from the air inlet pipe 4, then the rotating handle 19 is rotated to drive the rotating rod 12 to rotate, and further drive the driving bevel gear 13 to rotate, because the driving bevel gear 13 is meshed with the driven bevel gear 16, and further drive the threaded rod 15 to rotate, because the threaded rod 15 is in threaded connection with the nut block 17, and the moving rod 18 fixed with the nut block 17 penetrates through the sliding opening 10, at the moment, the axial rotation of the nut block 17 is limited by the sliding opening 10 along with the moving rod 18, therefore, when the threaded rod 15 rotates, the nut block 17 is forced to displace, and drives the mounting cylinder 7 fixed with the moving rod 18 to displace, until the filter element 9 and one end of the mounting cylinder 7 are pushed out from the air inlet pipe 4, because the filter element 9 is fixed in the mounting cylinder 7 through the elasticity of the rubber fixing ring 8, the filter element 9 can be directly pulled out, and then a new, utilize the elastic action of rubber retainer plate 8 to realize the fixed to filter core 9, then reverse and change 19, the same reason, installation section of thick bamboo 7 drives filter core 9 and contracts into intake pipe 4 this moment, then cover cap 5, can accomplish the change of filter core 9, this device structural design is ingenious, the in-process of renew cartridge 9 does not need use tools, moreover, the steam generator is simple in operation, use manpower sparingly, the change of the filter core 9 of being convenient for, and through the removable of realizing filter core 9, the cleaning and disinfection of this device of being convenient for, and the used repeatedly, save material and use cost more.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The mask comprises a mask body (1) and is characterized in that two side walls of the mask body (1) are respectively provided with two one-way exhaust valves (2), four corners of the front side of the mask body (1) are respectively fixedly connected with four symmetrical hanging belt rings (3), the center of the front side of the mask body (1) is communicated with an air inlet pipe (4), one end, far away from the mask body (1), of the air inlet pipe (4) is sleeved with a cap (5), the side wall of the cap (5) is provided with air inlet holes (6) which are arranged in a surrounding manner at equal intervals, an installation barrel (7) is arranged in the air inlet pipe (4), the inner wall of the installation barrel (7) is fixedly connected with a rubber fixing ring (8), a filter element (9) is inserted in the rubber fixing ring (8), and the inner wall of the rubber fixing ring (8) and the outer side wall of the filter element (9) are, the upper end lateral wall fixedly connected with moving mechanism of intake pipe (4), and the lateral wall of intake pipe (4) set up with sliding opening (10) that moving mechanism intercommunication set up, moving mechanism's one end run through sliding opening (10) extend to intake pipe (4) in and with one side fixed connection of installation section of thick bamboo (7).

2. The mask with easily replaceable filter element for preventing and treating infectious diseases according to claim 1, the moving mechanism comprises a machine shell (11) fixed on the side wall of the air inlet pipe (4), the upper side of the shell (11) is inserted and rotatably connected with a vertically arranged rotating rod (12), one end of the rotating rod (12) extends into the shell (11) and is fixedly connected with a driving bevel gear (13), the inner walls of the two ends of the shell (11) are rotationally connected with a threaded rod (15) which is transversely arranged through two rotating pieces (14), a driven bevel gear (16) is sleeved and fixedly connected on the threaded rod (15), a nut block (17) is connected on the threaded rod (15) in a threaded manner, and the lower side of the nut block (17) is fixedly connected with a movable rod (18), and one end, far away from the nut block (17), of the movable rod (18) penetrates through the sliding opening (10) and is fixedly connected with the mounting cylinder (7).

3. The mask with the easily replaceable filter element for preventing and treating infectious diseases according to claim 2, wherein a rotating handle (19) is fixedly connected to one end of the rotating rod (12) located outside the shell (11), and the rotating handle (19) is of a rectangular strip structure.

4. The mask with the easily replaceable filter element for preventing and treating infectious diseases according to claim 2, wherein the side wall of the housing (11) is provided with a through hole, the rotating rod (12) penetrates through the through hole, and the inner wall of the through hole is rotatably connected with the outer side wall of the rotating rod (12) through a bearing piece.

5. The mask with the easily replaceable filter element for preventing and treating infectious diseases according to claim 1, wherein the connecting port between the air inlet pipe (4) and the mask body (1) is fixedly connected with an arc-shaped air-permeable filter screen (20), and the arc-shaped air-permeable filter screen (20) has the same arc-shaped direction as the mask body (1).

6. The mask with the easily replaceable filter element for preventing and treating infectious diseases according to claim 1, wherein the outer side wall of the mounting tube (7) is sleeved with a silica gel sealing ring (21), and the outer side wall of the silica gel sealing ring (21) is abutted against and slidably connected with the inner wall of the air inlet tube (4).

7. The mask with the easily replaceable filter element for preventing and treating infectious diseases according to claim 1, wherein the outer side wall of the opening end of the air inlet pipe (4) is provided with an external thread, the inner wall of the cap (5) is provided with an internal thread matched with the external thread, and the air inlet pipe (4) and the cap (5) are fixedly connected in a threaded detachable connection mode.