CN210205635U

CN210205635U - Movable respiratory filter

Info

Publication number: CN210205635U
Application number: CN201920555803.1U
Authority: CN
Inventors: Lu Yu; 于露
Original assignee: Sichuan Provincial Peoples Hospital
Current assignee: Sichuan Provincial Peoples Hospital
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-03-31
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses a movable breathing filter. The utility model discloses in, including forehead pad, first head foraminiferous, slide button, support, filter cartridge, cushion, trachea, filtering mechanism, slewing mechanism, breather hole, knob. Before the utility model is used, the forehead pad is extended out of the bracket by connecting the headband and adjusting the slide button, thereby greatly improving the matching degree and comfort degree of the human face and the filter; when the filter is used, the gas breathed by a user sequentially passes through the breathing hole, the filtering mechanism in the filter box and the air pipe, and the use angle of the filtering mechanism is changed by adjusting the knob, so that different breathing and filtering effects are achieved, and the practicability and diversity of the filter are improved; after the filter cartridge is used, the filter cartridge is opened, the filter mechanism can be directly replaced, unnecessary troubles caused by the fact that the filter mechanism is replaced and the filter is required to be taken down are avoided, and the use convenience of the filter is improved.

Description

Movable respiratory filter

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a movable breathing filter.

Background

In medical treatment, for patients with respiratory infection and needing assisted respiration, a breathing filter is generally adopted to avoid direct inhalation with air or avoid infection of other people by emitting gas with germs to the air, and the patients can gradually adopt spontaneous respiration by controlling the gas, so that the physical recovery of the patients is facilitated.

In the process of using the breathing filter, the air with the mixed bacteria is filtered through the filter screen, after a certain time, the adsorption function of the filter screen is weakened, the filter screen needs to be cleaned or replaced, but the breathing filter needs to be taken down and taken by a patient again in the replacement process, great inconvenience is brought to the patient, the filter screen is single in structure, and the breathing filter needs to be frequently replaced, so that more pressure is brought to the patient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a movable breathing filter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a movable respiratory filter comprises a forehead cushion, an air pipe and a conversion mechanism; two first head holes are formed in two ends of the forehead pad, and a support is inserted into the extending position of the bottom of the forehead pad; a sliding button is fixed at the extending part of the forehead pad and is interactively connected in a slotted hole at the side part of the bracket, and a filter box is fixed at the bottom end of the bracket; an air pipe is fixedly communicated with one side of the filter box, and a knob is arranged at the bottom of the filter box; a soft cushion is fixed on one side of the filter box, which is far away from the trachea, and the soft cushion is provided with a breathing hole; the filter box comprises a box cover, a box body and a second head hole; the top end of the box body is fixedly connected with the bracket, and the top end of the box cover is rotatably connected with the bracket; the inclined surface of the box cover is fixedly provided with two second head belt holes which are symmetrically arranged relative to the bracket; the rotating mechanism comprises a nut, a first rotating rod, a supporting column, a first helical gear, a second helical gear and a second rotating rod; the supporting column is fixed at the bottom end of the interior of the box body, and the top end of the supporting column is connected with the first rotating rod in a sleeved mode; one end of the first rotating rod is fixed on the filtering mechanism through a nut, and one end, far away from the nut, of the first rotating rod is welded with the first helical gear; and the top end of the second rotating rod is welded with the second bevel gear, and the second bevel gear is vertically meshed with the first bevel gear.

As a further description of the above technical solution:

the filtering mechanism comprises a first filter screen, a filter plate and a second filter screen; the filter plate center fixed connection first pivot pole, just the filter plate embedding is fixed first filter screen and second filter screen.

As a further description of the above technical solution:

the first filter screens, the second filter screens and the filter plates are all round, two first filter screens are arranged, and one second filter screen is arranged; the circle center of the first filter screen and the circle center of the second filter screen are respectively connected with the circle center of the filter plate to form an included angle of 120 degrees.

As a further description of the above technical solution:

the bottom end of the second rotating rod is fixedly connected with the knob, and the second rotating rod penetrates through the bottom of the box body.

As a further description of the above technical solution:

the filter box also comprises a sealing ring and a switch; the switch is arranged at the bottom end of the box body in a penetrating manner, and the sealing ring is fixed on one side, which is attached to the box cover, of the box body; the sealing washer prolongs trilateral a week that sets up of box body, just the width of sealing washer does half of box body thickness.

As a further description of the above technical solution:

the sectional areas of the box cover and the box body are equal in size, a groove matched with the sealing ring is formed in one surface, attached to the box body, of the box cover, and the rotating angle of the box cover ranges from 0 degree to 180 degrees.

As a further description of the above technical solution:

the length of the air pipe extending into the box cover is equal to the distance from the filter plate to the box cover.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, before the use, through inserting the bandeau, adjust smooth button, stretch out forehead pad from the support in to the degree of adaptability and the comfort level of people's face with the filter have been improved greatly.

2. The utility model discloses in, when using, the respiratory gas of user passes through respiratory orifice, filter box in proper order and constructs and the trachea to through adjust knob, change filter mechanism's use angle, thereby play different breathing filter effect, improved the practicality and the variety of filter.

3. The utility model discloses in, after using, open the filter cartridge, can directly change filtering mechanism, avoid still need taking off the filter the unnecessary brought troublesome at change filtering mechanism, improved the convenience that the filter used.

Drawings

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

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

FIG. 3 is a schematic view of the connection structure of the whole body of the present invention;

FIG. 4 is an enlarged schematic view of the position A of the present invention;

FIG. 5 is an enlarged schematic view of the position B of the present invention;

fig. 6 is a schematic view of the connection structure of the middle box cover and the air tube.

Illustration of the drawings:

1. a forehead pad; 2. the first end is provided with a hole; 3. a slide button; 4. a support; 5. a filter box; 501. a box cover; 502. a box body; 503. a seal ring; 504. the second head is provided with a hole; 505. a switch; 6. a soft cushion; 7. an air tube; 8. a filtering mechanism; 801. a first filter screen; 802. filtering the plate; 803. a second filter screen; 9. a rotating mechanism; 901. a nut; 902. a first rotating lever; 903. a support pillar; 904. a first helical gear; 905. a second helical gear; 906. a second rotating lever; 10. a breathing hole; 11. a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 6, a movable breathing filter includes a forehead pad 1, an air tube 7, and a conversion mechanism 9; two first forehead pads 2 with holes are arranged at two ends of the forehead pad 1, and a support 4 is inserted at the extending part of the bottom of the forehead pad 1; a slide button 3 is fixed at the extending part of the forehead pad 1, the slide button 3 is interactively connected in a groove hole at the side part of a bracket 4, and a filter box 5 is fixed at the bottom end of the bracket 4; an air pipe 7 is communicated and fixed on one side of the filter box 5, and a knob 11 is arranged at the bottom of the filter box 5; a soft cushion 6 is fixed on one side of the filter box 5, which is far away from the trachea 7, and the soft cushion 6 is provided with a breathing hole 10; the filter cartridge 5 comprises a cartridge cover 501, a cartridge body 502 and a second head hole 504; the top end of the box body 502 is fixedly connected with the support 4, the box cover 501 covers the box body 502, and the top end of the box cover 501 is rotatably connected with the support 4; the inclined surface of the box cover 501 is fixedly provided with two second head hole holes 504, and the two second head hole holes 504 are symmetrically arranged around the support 4; the rotating mechanism 9 comprises a nut 901, a first rotating rod 902, a support column 903, a first bevel gear 904, a second bevel gear 905 and a second rotating rod 906; the supporting column 903 is fixed at the bottom end of the interior of the box body 502, and the top end of the supporting column 903 is connected with the first rotating rod 902 in a sleeved mode; one end of the first rotating rod 902 is fixed with the filtering mechanism 8 through a nut 901, and one end of the first rotating rod 902, which is far away from the nut 901, is welded with a first bevel gear 904; the second bevel gear 905 is welded to the top end of the second rotating rod 906 and the second bevel gear 905 perpendicularly engages the first bevel gear 904.

Further, the filter mechanism 8 includes a first filter screen 801, a filter plate 802, and a second filter screen 803; the center of the filter plate 802 is fixedly connected with a first rotating rod 902, and the filter plate 802 is embedded and fixed with a first filter screen 801 and a second filter screen 803; the filter plate 802 can rotate along with the first rotating rod 902, so that the first filter screen 801 and the second filter screen 803 are switched by rotating a certain angle, and the use flexibility of the filter mechanism 8 is ensured.

Furthermore, the first filter screen 801, the second filter screen 803 and the filter plate 802 are all circular, and there are two first filter screens 801 and one second filter screen 803; the included angle formed by the circle centers of the first filter screen 801 and the second filter screen 803 respectively connected with the circle centers of the filter plates 802 is 120 degrees; the first filter screen 801 is mesh active carbon, which can absorb exhaled air, so that the isolation of the filter is ensured, and the second filter screen 803 absorbs the treatment liquid medicine, so that the treatment of patients suffering from respiratory infection is facilitated, and the multifunction of the filter is embodied.

Further, second dwang 906 bottom fixed connection knob 11, and second dwang 906 runs through in box body 502 bottom, realizes carrying out effective control to the filter screen.

Further, the cartridge 5 further comprises a sealing ring 503 and a switch 505; the switch 505 is arranged at the bottom end of the box body 502 in a penetrating way, and the sealing ring 503 is fixed at one side of the box body 502, which is jointed with the box cover 501; the sealing ring 503 is arranged along three sides of the box body 502 for a circle, and the width of the sealing ring 503 is one half of the thickness of the box body 502; the sealing ring 503 adopts embedded sealing, and effectively isolates air under the action of the sealing ring 503.

Furthermore, the sectional areas of the box cover 501 and the box body 502 are equal, a groove matched with the sealing ring 503 is formed in one surface, attached to the box body 502, of the box cover 501, and the rotating angle of the box cover 501 is 0-180 degrees; by directly opening the box cover 501, the filter plate 802 inside can be directly replaced and cleaned, and the use convenience is improved.

Further, the length of the air pipe 7 extending into the box cover 501 is equal to the distance from the filter plate 802 to the box cover 501; the gas pipe 7 that can laminate on the filter plate 802 rotates, has improved gaseous filter effect to through rotatory a week knob 11, the accurate switching of first filter screen 801 and second filter screen 803 can be realized to the rotatory one third of filter plate 802.

The working principle is as follows: before use, the headband is connected to the first headband hole 2 and the second headband hole 504, the filter is sleeved on the face of a user, the forehead pad 1 extends out of the support 4 and is attached to the forehead through the adjusting slide button 3, and the comfort level of the user is guaranteed; when the respirator is used, the mouth and the nose are placed in the cushion 6, so that air breathed by a user passes through the breathing hole 10, then enters the filter box 5, the box cover 501 of the filter box 5 is tightly covered on the box body 502, the sealing ring 503 embedded at the edge of the box ensures that the air cannot be dispersed from the filter box 5, and the air flows out only from the air pipe 7 facing the breathing hole because of the air flowing outlet, so that the air with germs can be effectively filtered by the filtering mechanism 8 arranged at the inlet of the air pipe 7 in order to treat the exhaled air with germs; in the using process, the knob 11 is rotated to rotate the second bevel gear 905 on the second rotating rod 906, so that the first bevel gear 904 and the first rotating rod 902 on the support column 903 are driven to rotate, a steering rotation function is achieved, the filter plate 802 fixed on the first rotating rod 902 through the nut 901 rotates at the same time, the first filter screen 801 embedded and fixed on the filter plate 802 rotates to the inlet of the air pipe 7, air is filtered through the first filter screen 801, and if the first filter screen 801 is blocked during traveling, the other first filter screen 801 is switched to be used; if the liquid medicine is needed for respiratory therapy, the filter plate 802 rotates 120 degrees by rotating the knob 11 for one circle, and the second filter screen 803 with the liquid medicine is just switched to the air pipe 7, so that the respiratory gas with the liquid medicine is beneficial to the respiratory therapy effect of a user, the first filter screen 801 and the second filter screen 803 can be switched for use according to the self requirement, and the burden of the user is reduced by frequent replacement; after the filter is used, the bottom switch 505 of the breathing filter is pressed, the box cover 501 is opened, then the nut 901 is unscrewed, the filter plate 802 is taken down, and the filter plate 802 is directly replaced and cleaned, so that the breathing filter does not need to be taken down to replace the filter mechanism 8, and the convenience in use is improved.

The above, 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. A movable breathing filter comprises a forehead cushion (1), an air pipe (7) and a rotating mechanism (9), and is characterized in that two first head holes (2) are formed in two ends of the forehead cushion (1), and a support (4) is inserted into the extending position of the bottom of the forehead cushion (1); a sliding button (3) is fixed at the extending part of the forehead pad (1), the sliding button (3) is interactively connected in a groove hole at the side part of the bracket (4), and a filter box (5) is fixed at the bottom end of the bracket (4); an air pipe (7) is communicated and fixed on one side of the filter box (5), and a knob (11) is arranged at the bottom of the filter box (5); a soft cushion (6) is fixed on one side of the filter box (5) departing from the trachea (7), and a breathing hole (10) is formed in the soft cushion (6);

the filter box (5) comprises a box cover (501), a box body (502) and a second head hole (504); the top end of the box body (502) is fixedly connected with the support (4), the box cover (501) covers the box body (502), and the top end of the box cover (501) is rotatably connected with the support (4); the inclined surface of the box cover (501) is fixedly provided with the second head hole (504), and two second head holes (504) are symmetrically arranged around the support (4);

the rotating mechanism (9) comprises a nut (901), a first rotating rod (902), a supporting column (903), a first bevel gear (904), a second bevel gear (905) and a second rotating rod (906); the supporting column (903) is fixed at the bottom end of the interior of the box body (502), and the top end of the supporting column (903) is connected with the first rotating rod (902) in a sleeved mode; one end of the first rotating rod (902) is fixed with the filtering mechanism (8) through a nut (901), and one end, far away from the nut (901), of the first rotating rod (902) is welded with the first helical gear (904); the top end of the second rotating rod (906) is welded with the second bevel gear (905), and the second bevel gear (905) is vertically meshed with the first bevel gear (904).

2. A movable breathing filter according to claim 1, characterised in that the filter means (8) comprises a first filter mesh (801), a filter plate (802) and a second filter mesh (803); the center of the filter plate (802) is fixedly connected with the first rotating rod (902), and the filter plate (802) is embedded and fixed with the first filter screen (801) and the second filter screen (803).

3. A mobile respiratory filter according to claim 2 wherein the first (801), second (803) and filter (802) screens are circular and there are two first screens (801) and one second screen (803); the circle center of the first filter screen (801) and the circle center of the second filter screen (803) are respectively connected with the circle center of the filter plate (802) to form an included angle of 120 degrees.

4. The movable respiratory filter according to claim 1, wherein the bottom end of the second rotating rod (906) is fixedly connected to the knob (11), and the second rotating rod (906) penetrates through the bottom of the box body (502).

5. A mobile respiratory filter according to claim 4, wherein the cartridge (5) further comprises a sealing ring (503) and a switch (505); the switch (505) is arranged at the bottom end of the box body (502) in a penetrating manner, and the sealing ring (503) is fixed on one side, which is attached to the box cover (501), of the box body (502); the sealing ring (503) is arranged around the three sides of the box body (502), and the width of the sealing ring (503) is one half of the thickness of the box body (502).

6. The movable respiratory filter according to claim 5, wherein the sectional areas of the box cover (501) and the box body (502) are equal, and the surface of the box cover (501) attached to the box body (502) is provided with a groove matched with the sealing ring (503), and the rotation angle of the box cover (501) is 0-180 °.

7. The filter according to claim 6, characterized in that the length of the trachea (7) extending into the lid (501) is equal to the length of the filter plate (802) to the lid (501).