CN215351356U

CN215351356U - A filter equipment for breathing machine

Info

Publication number: CN215351356U
Application number: CN202121826006.6U
Authority: CN
Inventors: 俞浩斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-31
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a filtering device for a breathing machine, which comprises a shell with an air inlet, wherein a step part is arranged in the air inlet, an internal thread structure is arranged in the air inlet, and a filtering membrane is arranged in the filtering shell; the inside threaded connection of crossing the filter shell has hollow structure's internal thread spare, one side of internal thread spare and the inboard of crossing the filter shell all seted up with frame assorted mounting groove, the inside of mounting groove and the surface of step portion all bond and have sealed the pad. According to the utility model, the air inlet is set to be of an internal thread structure, the filtering shell is connected to the inside of the air inlet in a threaded manner, the air inlet can be conveniently detached, the sealing property between the filtering shell and the air inlet can be improved, the filtering membrane is bonded to the inside of the frame, the frame is inserted into the mounting grooves in the filtering shell and the internal thread piece, the frame can be clamped after being screwed down, the sealing property between the frame and the filtering shell is improved, the integral sealing property is improved, and the filtering effect of the respirator is improved.

Description

A filter equipment for breathing machine

Technical Field

The utility model relates to the technical field of gas filtration, in particular to a filter device for a breathing machine.

Background

The respirator is an effective means capable of manually replacing the autonomous ventilation function, and is a device capable of replacing, controlling or changing the normal physiological respiration of a person, increasing the lung ventilation volume, improving the respiration function, reducing the respiration power consumption and saving the heart reserve capacity.

Among the prior art, the filter equipment of breathing machine is fixed the setting usually in the inside of breathing machine, like patent number 202020963970.2, the filter equipment for breathing machine that proposes, it packs into the filter frame with filtering sponge, when needing to wash filter equipment, open the protection shield and take out filter frame from the filter-tank, be convenient for wash filter frame and change and filter the sponge, but the leakproofness is relatively poor between its filter frame and the air inlet, and the filter effect is relatively poor, and then influences user's healthy, and even threatens user's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter device for a breathing machine, which improves the sealing performance of an air inlet and further improves the filtering effect so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a filtering device for a breathing machine comprises a machine shell with an air inlet, wherein a step part is arranged inside the air inlet, an internal thread structure is arranged inside the air inlet, a filtering shell is connected with the internal thread of the air inlet in a threaded manner, and a filtering membrane is arranged inside the filtering shell;

the outside of filtration membrane is equipped with the frame, the inside threaded connection who filters the shell has hollow structure's internal thread spare, one side of internal thread spare and the inboard of filtering the shell all seted up with frame assorted mounting groove, the inside of mounting groove with the surface of step portion all bonds and has sealed the pad.

Preferably, the inside of crossing filter shell and internal screw thread spare all fixedly connected with stull, the middle part of stull sets up to protruding structure.

Preferably, the inner sides of the filter shell and the internal thread piece are provided with rotating holes, the rotating holes are arranged in two groups, rotating shafts are arranged in the rotating holes in a rotating mode, and the rotating shafts are fixedly connected with U-shaped rods.

Preferably, the filter shell and the inner side of the internal thread piece are fixedly connected with protruding blocks, the protruding blocks are arranged in two groups by taking the centers of the filter shell and the frame as symmetrical points, and the top parts of the two groups of protruding blocks are fixedly connected with blind holes.

Preferably, the inner ring of the frame is provided with a filtering membrane mounting part, and filtering membranes are bonded on two sides of the filtering membrane mounting part.

Preferably, a sealing cover is movably inserted in the outer end of the filtering shell, and a detachable connecting rope is arranged between the sealing cover and the filtering shell.

Preferably, one end of the connecting rope is fixedly connected to the surface of the sealing cover, the other end of the connecting rope is fixedly connected with the plug, and the surface of the casing is provided with a jack matched with the plug.

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

according to the utility model, the air inlet is set to be of an internal thread structure, the filtering shell is connected to the inside of the air inlet in a threaded manner, the air inlet can be conveniently detached, the sealing property between the filtering shell and the air inlet can be improved, the filtering membrane is bonded to the inside of the frame, the frame is inserted into the mounting grooves in the filtering shell and the internal thread piece, the frame can be clamped after being screwed down, the sealing property between the frame and the filtering shell is improved, the integral sealing property is improved, and the filtering effect of the respirator is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the filter housing structure of the present invention;

FIG. 3 is a schematic view of a U-shaped bar according to the present invention;

FIG. 4 is a schematic view of the bump structure of the present invention;

FIG. 5 is a schematic view of the assembled structure of the present invention.

In the figure: 1. a housing; 2. an air inlet; 3. a filter shell; 4. a filtration membrane; 5. a step portion; 6. a gasket; 7. a frame; 8. an internal threaded member; 9. a filter membrane mounting section; 10. mounting grooves; 11. a cross brace; 12. hole turning; 13. a rotating shaft; 14. a U-shaped rod; 15. a raised block; 16. blind holes; 17. a sealing cover; 18. connecting ropes; 19. a plug; 20. and (4) inserting the jack.

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.

Example 1

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a filter equipment for breathing machine, mainly by casing 1 that has air inlet 2, cross parts such as shell 3, filtration membrane 4, frame 7, internal screw thread spare 8, dismouting annex and constitute, cross in this embodiment and all adopt threaded connection between shell 3 and the air inlet 2, internal screw thread spare 8 and cross between the shell 3, when conveniently dismantling change filtration membrane 4, can improve the filter effect of sealed effect, breathing machine.

Casing 1 is the casing of breathing machine, concrete structure, the structure is not repeated for prior art here, further improve the leakproofness through changing traditional air inlet structure in this embodiment, set up the inside of air inlet 2 into internal thread structure, so that will filter 3 threaded connection of shell in the inside of air inlet 2, be equipped with step portion 5 simultaneously in the inside of air inlet 2, and bond the leakproofness at its surface, when the leakproofness of filter shell 3 and air inlet 2 is improved, can restrict the position of filtering shell 3 in air inlet 2, and the thickness of filtering shell 3 is less than the degree of depth of air inlet 2, do benefit to and hide filter shell 3 to air inlet 2, improve holistic aesthetic property.

Air inlet 2 in this embodiment, filter shell 3, frame 7, internal thread spare 8, mounting groove 10 all sets up to circular structure, so that the installation, inside at frame 7 sets up filtration membrane installation department 9 and is used for installing filtration membrane 4, filtration membrane 4 is provided with two sets of both sides that bond at filtration membrane installation department 9, with this improvement filter effect, frame 7 passes through internal thread spare 8 to be fixed in filtering shell 3, it receives the restriction of mounting groove 10, can fix a position frame 7, the inside sealed pad 6 that bonds of mounting groove 10, do benefit to and improve frame 7 and filter shell 3, the leakproofness between the internal thread spare 8.

Dismouting annex mainly includes stull 11 in this embodiment, and it is fixed in the inside of filtering shell 3 and internal screw thread spare 8 to set up stull 11's middle part into protruding structure, conveniently rotate and filter shell 3 and internal screw thread spare 8, be convenient for filter shell 3 and internal screw thread spare 8's dismouting.

The connection relationship and the positional relationship between the components in the present embodiment will be described below;

a filtering shell 3 is connected with the inner part of the air inlet 2 in a threaded manner, and a filtering membrane 4 is arranged inside the filtering shell 3;

the outside of filtration membrane 4 is equipped with frame 7, and the internal thread of filtering shell 3 is connected with hollow structure's internal thread spare 8, internal thread spare 8 one side and the inboard of filtering shell 3 all seted up with frame 7 assorted mounting groove 10, and the inside of mounting groove 10 and the surface of step portion 5 all bond and have sealed the pad 6.

Example 2

Referring to fig. 3, the difference between the present embodiment and embodiment 1 is: dismouting annex mainly comprises changeing hole 12 in this embodiment, pivot 13, U type pole 14 part, it has all seted up changeing hole 12 to filter shell 3 and internal screw thread spare 8's inboard, two sets of inside of changeing hole 12 all rotate and install pivot 13, fixedly connected with U type pole 14 between two sets of pivots 13, under the normality, U type pole 14 is accomodate to the inside of filtering shell 3 and internal screw thread spare 8, when needing to dismantle, rotate U type pole 14, conveniently filter shell 3 and internal screw thread spare 8's dismouting.

Example 3

Referring to fig. 4, the difference between the present embodiment and embodiment 1 is: the dismouting annex mainly includes protruding piece 15 in this embodiment, filters the inboard equal fixedly connected with protruding piece 15 of shell 3 and internal screw thread spare 8, protruding piece 15 uses the center of filtering shell 3 and frame 7 to be provided with two sets ofly as the symmetric point, and the equal fixedly connected with blind hole 16 in top of two sets of protruding pieces 15, and two sets of protruding pieces 15 conveniently dismantle and filter shell 3 and internal screw thread spare 8, the blind hole 16 of setting, convenient to use instrument inserts in blind hole 16, carries out the dismouting.

Example 4

Please refer to fig. 1 and 5, a sealing cover 17 is movably inserted in the outer end of the filter housing 3, when the respirator is not used, the sealing cover 17 covers the outer end of the filter housing 3, so as to prevent dust from adhering to the filter membrane 4, a detachable connecting rope 18 is arranged between the sealing cover 17 and the filter housing 3 for connecting the sealing cover 17, one end of the connecting rope 18 is fixedly connected to the surface of the sealing cover 17, the other end of the connecting rope 18 is fixedly connected with a plug 19, a jack 20 matched with the plug 19 is arranged on the surface of the housing 1, the plug 19 is arranged in an elastic rubber head structure, and can be inserted in the jack 20 in an interference manner, so as to conveniently detach the sealing cover 17.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A filter device for a respirator, comprising a housing (1) with an air inlet (2), characterized in that: a stepped part (5) is arranged inside the air inlet (2), an internal thread structure is arranged inside the air inlet (2), a filtering shell (3) is connected with the internal thread of the air inlet (2), and a filtering membrane (4) is arranged inside the filtering shell (3);

the outside of filtration membrane (4) is equipped with frame (7), the inside threaded connection of crossing filter shell (3) has hollow structure's internal thread spare (8), one side of internal thread spare (8) and the inboard of crossing filter shell (3) all seted up with frame (7) assorted mounting groove (10), the inside of mounting groove (10) with the surface of step portion (5) all bonds and has sealed the pad (6).

2. A filter device for a ventilator as claimed in claim 1, wherein: the filter shell (3) and the internal thread piece (8) are fixedly connected with cross braces (11), and the middle of each cross brace (11) is of a protruding structure.

3. A filter device for a ventilator as claimed in claim 1, wherein: the filter shell (3) and the inner side of the internal thread piece (8) are both provided with a rotating hole (12), the rotating hole (12) is internally and rotatably provided with a rotating shaft (13), and the rotating shaft (13) is fixedly connected with a U-shaped rod (14).

4. A filter device for a ventilator as claimed in claim 1, wherein: the filter shell (3) and the inner side of the internal thread piece (8) are fixedly connected with protruding blocks (15), the protruding blocks (15) are arranged in two groups by taking the centers of the filter shell (3) and the frame (7) as symmetrical points, and the top parts of the two groups of protruding blocks (15) are fixedly connected with blind holes (16).

5. A filter device for a ventilator as claimed in claim 1, wherein: the inner ring of the frame (7) is provided with a filtering membrane mounting part (9), and filtering membranes (4) are bonded on two sides of the filtering membrane mounting part (9).

6. A filter device for a ventilator as claimed in claim 1, wherein: the inside activity of the outer end of crossing filter shell (3) is pegged graft there is sealed lid (17), be equipped with between sealed lid (17) and the filter shell (3) and dismantle connection rope (18).

7. A filter device for a ventilator according to claim 6, wherein: one end of the connecting rope (18) is fixedly connected to the surface of the sealing cover (17), the other end of the connecting rope (18) is fixedly connected with a plug (19), and a jack (20) matched with the plug (19) is formed in the surface of the shell (1).