CN216258778U

CN216258778U - Breathing filter

Info

Publication number: CN216258778U
Application number: CN202122841026.7U
Authority: CN
Inventors: 徐信东; 徐宝林; 徐美琳; 卜伟晓; 李俊
Original assignee: Danye Yantai Life Science Research Center; Yantai Danye Electric Appliance Co ltd
Current assignee: Danye Yantai Life Science Research Center; Yantai Danye Environmental Technology Co.,Ltd.
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-12
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to a breathing filter belongs to breathing equipment technical field, and it includes the cover body, and the air vent has been seted up to the one end of the cover body, and the one end that the cover body is close to the air vent is equipped with the filter cartridge, and the one end that the filter cartridge is close to the cover body has seted up the thru hole, and the thru hole is linked together with the air vent, and the one end swing joint that the cover body was kept away from to the filter cartridge has the lid, and the inlet port has been seted up to the lid, the lid with leave between the filter cartridge and place the cavity. This application has the advantage that improves the filter effect.

Description

Breathing filter

Technical Field

The application relates to the technical field of breathing equipment, in particular to a breathing filter.

Background

Air pollution is more and more serious at present, and each city haze condition is also more and more serious, wears respiratory filter when haze is serious and can effectively reduce the influence of haze to human health.

The existing breathing filter usually consists of a cover body and a filter assembly, the cover body is connected with the face of a user, a filter element in the filter assembly filters air, and the filter element can be continuously used after being replaced after one end of the filter element is used.

To the correlation technique among the above-mentioned, the inventor thinks that the filter core is placed in filtering component, and the filter core is inconsistent not closely real with filtering component, and the filter core easily takes place the skew, and the filter core easily and filtering component between produce the space, reduced the filter effect.

SUMMERY OF THE UTILITY MODEL

In order to improve the filtering effect, the application provides a respiratory filter.

The application provides a respiratory filter adopts following technical scheme:

a breathing filter comprises a cover body, wherein a vent hole is formed in one end of the cover body, a filter box is arranged at one end, close to the vent hole, of the cover body, a through hole is formed in one end, close to the cover body, of the filter box, the through hole is communicated with the vent hole, a box cover is movably connected to one end, far away from the cover body, of the filter box, an air inlet hole is formed in the box cover, and a placing cavity is reserved between the box cover and the filter box.

Through adopting above-mentioned technical scheme, place the filter core in placing the cavity, connect lid and filter cartridge, the lid sticiss the filter core, makes the difficult emergence skew of filter core, and then has improved the filter effect of filter. Air enters the filter box through the air inlet, the filter element in the filter box filters the air, and the air enters the cover body through the through holes and the vent holes, so that a user can breathe conveniently.

Optionally, one end of the filter box close to the through hole is provided with a first groove, the filter box is provided with a plurality of support rods, and the support rods are fixedly connected to the first groove of the filter box.

By adopting the technical scheme, the first groove is used for placing the supporting rod, the supporting rod supports the filter element, a gap is reserved between the filter element and the filter box, the filter box is not easy to cling to the filter element, the filter area of the filter element is increased, and the utilization rate of the filter element is improved.

Optionally, one end of the box cover is hinged to one end of the filter box, a protrusion is arranged at the other end of the box cover, the other end of the filter box is fixedly connected with a connecting sheet, a fixing hole is formed in the connecting sheet, and the protrusion is movably connected to the fixing hole of the connecting sheet.

Through adopting above-mentioned technical scheme, rotate the lid, make arch and connection piece separation, and then make lid and filter cartridge separation, be convenient for change the filter core. The box cover is rotated to rotate the protrusion to the fixing hole of the connecting sheet, and the protrusion is fixed by the connecting sheet, so that the box cover is not easy to move, and a filter element in the filter box is not easy to deviate.

Optionally, a second groove is formed in one end of the box cover, a plurality of grid plates are arranged at the second groove of the box cover, the grid plates are fixedly connected to the second groove of the box cover, and the grid plates located at the air inlet are obliquely arranged.

Through adopting above-mentioned technical scheme, the recess is used for placing the grid board, and the grid board has reduced the area of admitting air of inlet port, carries out prefilter to the air, has further improved the filter effect.

Optionally, the cover body is provided with a first mounting ring, the first mounting ring is fixedly connected to the vent hole of the cover body, the cross section of the first mounting ring is in a shape of a circular truncated cone, the filter box is provided with a second mounting ring, the second mounting ring is fixedly connected to the through hole of the filter box, a raised line is circumferentially arranged on the inner side of one end, far away from the filter box, of the second mounting ring, and the raised line is fixedly connected with the second mounting ring.

Through adopting above-mentioned technical scheme, the sand grip cooperatees with collar one, makes collar two and collar one difficult separation, is convenient for fixed cover body and filter cartridge. The convex strip is separated from the first mounting ring by force of a user, so that the first mounting ring is separated from the second mounting ring, and the filter box is convenient to replace.

Optionally, two ends of the filter box opposite to each other and two ends of the box cover opposite to each other are arc-shaped.

Through adopting above-mentioned technical scheme, the air passes through from filter cartridge and lid both sides, has reduced the air resistance, and then has reduced the pressure of breathing filter to user's face, has improved this breathing filter's travelling comfort.

Optionally, the cover body is provided with connecting plates on two sides, the connecting plates are fixedly connected with the cover body, and the connecting plates are provided with connecting holes.

Through adopting above-mentioned technical scheme, the user ties up the bandage to the connecting hole department of connecting plate, is connected the bandage with the head again, is convenient for wear this breathing filter.

Optionally, one end of the cover body away from the vent hole is fixedly connected with an elastic layer.

Through adopting above-mentioned technical scheme, the elastic layer is inconsistent with user's face, has further improved this breathing filter's travelling comfort.

In summary, the present application includes at least one of the following beneficial technical effects:

this application is through setting up filter cartridge and lid, and the filter core is placed in placing the cavity, and filter cartridge and lid sticiss the filter core, are favorable to reducing the risk of filter core skew, and the filter core of being convenient for filters the air, is favorable to improving this respiratory filter's filter effect.

This application is through setting up the elastic layer, and the user wears this respiratory filter, and the face is inconsistent with the elastic layer, is favorable to improving this respiratory filter's travelling comfort.

Drawings

FIG. 1 is a schematic view of a respiratory filter according to the present application;

FIG. 2 is a schematic structural view of a convex connecting plate in the embodiment of the present application;

FIG. 3 is a schematic structural view of a second highlighted mounting ring in the embodiment of the present application;

FIG. 4 is a schematic view showing the structure of a support rod according to an embodiment of the present application;

fig. 5 is a schematic view of the structure of a prominent grid plate in an embodiment of the present application.

Description of reference numerals: 1. a cover body; 2. a filter assembly; 11. a connecting plate; 12. connecting holes; 13. an elastic layer; 21. a filter cartridge; 22. a box cover; 23. placing the cavity; 221. an air inlet; 211. through holes; 212. a second mounting ring; 213. a convex strip; 14. a vent hole; 15. mounting a ring I; 214. connecting sheets; 215. a fixing hole; 222. a protrusion; 216. a first groove; 217. a support bar; 223. a second groove; 224. a grid plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a respiratory filter.

Referring to fig. 1, a respiratory filter includes a housing 1 and a filter assembly 2, and one end of the housing 1 is detachably coupled to the filter assembly 2. When the user uses this breathing filter, the cover body 1 is lived user's mouth nose parcel, and filter assembly 2 filters the air, is favorable to reducing the risk that harmful substance infringes the human body in the air.

Referring to fig. 1 and 2, two ends of the cover body 1 are fixedly connected with connecting plates 11, the connecting plates 11 are provided with connecting holes 12, and one end of the cover body 1 is fixedly connected with an elastic layer 13. When the user wears the respiratory filter, the user ties the bandage to the connecting hole 12, and then connects the bandage with the head of the user, so that the cover body 1 wraps the mouth and nose of the user, and the user can wear the respiratory filter conveniently. The user's face is in contact with the elastic layer 13, which is beneficial to improving the comfort of the breathing filter.

Referring to fig. 2 and 3, the filter assembly 2 includes a filter box 21 and a box cover 22, the filter box 21 is movably connected to the box cover 22, a through hole 211 is formed in one end of the filter box 21 close to the cover body 1, the through hole 211 is located in the center of the filter box 21, the filter box 21 is provided with a second mounting ring 212, the second mounting ring 212 is fixedly connected to the through hole 211 of the filter box 21, a protruding strip 213 is circumferentially arranged on an inner side of one end of the second mounting ring 212 far away from the filter box 21, the protruding strip 213 is fixedly connected to the second mounting ring 212, a vent hole 14 is formed in one end of the cover body 1 close to the filter box 21, the vent hole 14 is communicated with the through hole 211, the cover body 1 is provided with a first mounting ring 15, the first mounting ring 15 is fixedly connected to the vent hole 14 of the cover body 1, and the cross section of the first mounting ring 15 is in a circular truncated cone shape. The filter box 21 is connected with the first mounting ring 15 through the protruding strip 213, which is beneficial to reducing the risk of separating the first mounting ring 15 from the second mounting ring 212, so that the filter box 21 is not easy to separate from the cover body 1. The user forcibly separates the ribs 213 from the first mounting ring 15 to remove the filter cartridge 21, which facilitates replacement of the filter cartridge 21.

Referring to fig. 1 and 4, an air inlet 221 is formed in the box cover 22, a placing cavity 23 is reserved between the box cover 22 and the filter box 21, the filter element is placed in the placing cavity 23, air enters the filter box 21 through the air inlet 221, the filter element filters the air, and the air passes through the through hole 211 to be in the cover body 1, so that the air is conveniently filtered, and the risk that harmful substances in the air damage human bodies is favorably reduced.

Referring to fig. 3 and 5, one end of the filter box 21 is hinged to one end of the box cover 22, the other end of the filter box 21 is fixedly connected with a connecting piece 214, the connecting piece 214 is provided with a fixing hole 215, one end of the box cover 22 close to the connecting piece 214 is fixedly connected with a protrusion 222, and the protrusion 222 is movably connected to the fixing hole 215 of the connecting piece 214. The cover 22 is rotated to rotate the protrusion 222 to the fixing hole 215, and the protrusion 222 is matched with the connecting piece 214, so that the risk of separating the cover 22 from the filter box 21 is reduced. The filter core is placed in placing cavity 23, and lid 22 cooperatees with filter cartridge 21, sticiss the filter core, is favorable to reducing the risk of filter core skew, is convenient for fix the filter core, and then is favorable to improving this respiratory filter's filter effect.

Referring to fig. 3, the opposite ends of the filter cassette 21 and the opposite ends of the cassette cover 22 are arc-shaped. When the air flows faster, the air can pass through the two sides of the filter box 21 and the box cover 22, so that the air resistance is reduced, the pressure of the breathing filter on the face of a user is reduced, and the comfort of the breathing filter is improved.

Referring to fig. 4 and 5, a first groove 216 is formed in one end of the filter box 21, which is away from the box cover 22, the through hole 211 is located in the center of the first groove 216, a plurality of support rods 217 are arranged in the first groove 216 of the filter box 21, one end of each support rod 217 is fixedly connected with the filter box 21, the other end of each support rod 217 is located in the center of the through hole 211, one ends of the plurality of support rods 217, which are close to the through hole 211, are connected with each other, a second groove 223 is formed in one end of the box cover 22, the air inlet hole 221 is located in the center of the second groove 223, the box cover 22 is provided with a plurality of grating plates 224, the grating plates 224 are fixedly connected to the second groove 223 of the box cover 22, and the grating plates 224 located in the air inlet hole 221 are obliquely arranged. The supporting rod 217 supports the filter element, a gap is reserved between the filter element and the first groove 216, the phenomenon that most of air passes through the center of the filter element is reduced, the contact area of the filter element and the air is increased, and the utilization rate of the filter element is improved. The grating plate 224 is beneficial to reducing the air inlet area of the air inlet 221, the grating plate 224 performs primary filtration on air, the filtering effect of the breathing filter is further improved, and the damage of harmful substances in the air to human bodies is further reduced.

The implementation principle of a respiratory filter in the embodiment of the application is as follows: when the filter cartridge needs to be replaced, the user forcibly separates the protrusion 222 from the connection piece 214, and opens the box cover 22 to replace the filter cartridge. A new filter element is placed in the placing cavity 23, the support rod 217 supports the new filter element, the box cover 22 is rotated, the bulge 222 is rotated to the position of the fixing hole 215, the bulge 222 is matched with the connecting piece 214, the box cover 22 is fixed, and the box cover 22 is matched with the filter box 21 to fix the filter element. When the user uses this breathing filter, the air passes through the inlet port 221 and gets into in the filter cartridge 21, and grating 224 carries out prefilter to the air, and the filter core carries out secondary filter to the air, and the air is again through thru hole 211 and air vent 14 get into cover body 1 in, and the user breathes.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A breathing filter comprising a mask body (1), characterized in that: the mask is characterized in that a vent hole (14) is formed in one end of the mask body (1), a filter box (21) is arranged at one end, close to the vent hole (14), of the mask body (1), a through hole (211) is formed in one end, close to the mask body (1), of the filter box (21), the through hole (211) is communicated with the vent hole (14), a box cover (22) is movably connected to one end, far away from the mask body (1), of the filter box (21), an air inlet hole (221) is formed in the box cover (22), and a placement cavity (23) is reserved between the box cover (22) and the filter box (21).

2. A respiratory filter according to claim 1 wherein: one end, close to the through hole (211), of the filter box (21) is provided with a first groove (216), the filter box (21) is provided with a plurality of support rods (217), and the support rods (217) are fixedly connected to the first groove (216) of the filter box (21).

3. A respiratory filter according to claim 1 wherein: one end of the box cover (22) is hinged to one end of the filter box (21), a protrusion (222) is arranged at the other end of the box cover (22), a connecting piece (214) is fixedly connected to the other end of the filter box (21), a fixing hole (215) is formed in the connecting piece (214), and the protrusion (222) is movably connected to the fixing hole (215) of the connecting piece (214).

4. A respiratory filter according to claim 1 wherein: one end of the box cover (22) is provided with a second groove (223), a plurality of grid plates (224) are arranged at the second groove (223) of the box cover (22), the grid plates (224) are fixedly connected to the second groove (223) of the box cover (22), and the grid plates (224) positioned at the air inlet holes (221) are obliquely arranged.

5. A respiratory filter according to claim 1 wherein: the mask body (1) is equipped with collar one (15), collar one (15) fixed connection is in the air vent (14) department of the mask body (1), the cross-section of collar one (15) is the round platform shape, filter cartridge (21) is equipped with collar two (212), collar two (212) fixed connection in thru hole (211) department of filter cartridge (21), the inboard circumference that filter cartridge (21) one end was kept away from in collar two (212) is equipped with sand grip (213), sand grip (213) with collar two (212) fixed connection.

6. A respiratory filter according to claim 1 wherein: the two ends of the filter box (21) which are oppositely arranged and the two ends of the box cover (22) which are oppositely arranged are both arc-shaped.

7. A respiratory filter according to claim 1 wherein: the novel mask is characterized in that connecting plates (11) are arranged on two sides of the mask body (1), the connecting plates (11) are fixedly connected with the mask body (1), and connecting holes (12) are formed in the connecting plates (11).

8. A respiratory filter according to claim 1 wherein: one end of the cover body (1) far away from the vent hole (14) is fixedly connected with an elastic layer (13).