CN213580592U

CN213580592U - Mask air permeability tester

Info

Publication number: CN213580592U
Application number: CN202022351991.1U
Authority: CN
Inventors: 周新
Original assignee: Shanghai Oushi Certification Service Co ltd
Current assignee: Shanghai Oushi Certification Service Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-29
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a gauze mask gas permeability tester, including the apparatus box, fixedly connected with air pump in the apparatus box, the equal fixedly connected with exhaust tube in both sides of air pump, the top fixedly connected with fixed knot of apparatus box constructs, and fixed knot constructs including standpipe, pipe and fixed statue, and the last fixedly connected with connection structure of fixed knot constructs, and connection structure includes gauze mask and panel cover, and one side fixedly connected with of panel cover detects the structure, compares with prior art, the beneficial effects of the utility model include: air passes through the pipeline suction through the air pump in the apparatus box with the air, earlier sprays through a certain amount of gas of air pump control, with gaseous logical water container incasement, increases the pressure in the water container incasement and crowds into the collecting box with water, and gaseous numerical value is recorded to the scale on the box, puts the gauze mask on fixed knot constructs, sprays with the gas of same numerical value, records the numerical value of water in the box, and the result after subtracting the numerical value twice is exactly the ventilative volume of gauze mask.

Description

Mask air permeability tester

Technical Field

The utility model relates to a determinator, in particular to gauze mask air permeability determinator belongs to gauze mask air permeability and surveys technical field.

Background

In the real life, still need carry out the test of ventilative volume to the gauze mask after the gauze mask production, whether the air permeability that detects the gauze mask of production accords with the standard that the country formulated to the air permeability of gauze mask production, only can externally sell through detecting qualified gauze mask that accords with the standard, offers the people to use, and the gauze mask that does not accord with the national standard then does not allow the production to sell.

Among the prior art, general gauze mask air permeability apparatus, it is accurate all to make, the apparatus of high accuracy of complex operation, accurate instrument all needs the personnel of professional operating instrument to operate like this, or need special personnel to come after studying the operation manual, just can use the detection to the instrument, spend a large amount of time, whole measuring process is for comparatively loaded down with trivial details, whole testing process's cost is higher simultaneously, thereby it does not carry out the test of air permeability to the gauze mask in order to save the cost to have probably to appear some bad merchants like this, the gauze mask that causes the production is not conform to the standard, harm human health.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve gauze mask air permeability measurement operation complicacy, the survey process is loaded down with trivial details, and the instrument is loaded down with trivial details, and the problem with high costs is determined in the complicated, problem of being of a specified duration of survey process of survey simultaneously, provides a gauze mask air permeability apparatus for this reason.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gauze mask gas permeability apparatus, includes the apparatus box, fixedly connected with air pump in the apparatus box, the equal fixedly connected with exhaust tube in both sides of air pump, the top fixedly connected with fixed knot of apparatus box constructs, fixed knot constructs including standpipe, pipe and fixed statue, the last fixedly connected with connection structure of fixed knot constructs, connection structure includes gauze mask and panel cover, one side fixedly connected with detection structure of panel cover, it includes the breather pipe to detect the structure, breather pipe fixed connection is in the filling structure, the filling structure includes water containing box.

As a preferred technical scheme of the utility model, the top fixedly connected with standpipe of apparatus box, the standpipe runs through apparatus box and exhaust tube through connection, one side fixedly connected with pipe of standpipe, pipe and standpipe through connection, the fixed statue of one end fixedly connected with of pipe, fixed statue runs through the pipe.

As a preferred technical scheme of the utility model, fixedly connected with gauze mask on the fixed statue, the outside of gauze mask is equipped with the panel cover, the gauze mask parcel is at the one end mouth of pipe, the panel cover is dismantled and is connected in the both sides of fixed statue and parcel outside gauze mask and pipe.

As a preferred technical scheme of the utility model, one side fixedly connected with breather pipe of panel cover, panel cover link up with the breather pipe, the breather pipe runs through at the water-holding incasement, one side threaded connection of water-holding case has the screw thread post, one side lateral wall in the water-holding incasement is equipped with the scale.

As a preferred technical scheme of the utility model, the one end through connection who keeps away from the breather pipe in the holding tank has the water service pipe, the centre of water service pipe is equipped with the check valve, one side of holding tank is equipped with the collecting box, water service pipe through connection is between holding tank and collecting box, one side lateral wall in the collecting box is equipped with the scale, the top of collecting box is rotated and is connected with the apron.

Compared with the prior art, the beneficial effects of the utility model include: pass through the pipeline suction with the air through the air pump in the apparatus box, earlier spray through a certain amount of gas of air pump control, through leading to gas in the water container case, increase the pressure of water container incasement and crowd into the collecting box with water, record gaseous numerical value through the scale on the box, put the gauze mask on fixed knot constructs again, spray with the gas of same numerical value, the numerical value of record box water again, the result after subtracting twice numerical value is exactly the ventilative volume of gauze mask, it is more convenient like this, the operation is simple, the cost that also can greatly reduced detects.

Drawings

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

fig. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: 1. a tester box body; 12. an air pump; 13. an air exhaust pipe; 2. a fixed structure; 21. a conduit; 22. a vertical tube; 23. fixing the statue; 3. detecting the structure; 31. a breather pipe; 32. a water pipe; 33. a one-way valve; 4. a filling structure; 41. a water tank; 42. a graduated scale; 43. a threaded post; 44. a collection box; 45. a cover plate; 5. a connecting structure; 51. a mask; 52. the panel covers.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a mask air permeability measuring instrument comprises a measuring instrument case 1, an air pump 12 fixedly connected in the measuring instrument case 1, an air exhaust tube 13 fixedly connected to both sides of the air pump 12, air is extracted and injected through an air pump 12 and an air exhaust pipe 13, a fixed structure 2 is fixedly connected to the top of the tester box body 1, the fixed structure 2 comprises a vertical pipe 22, a conduit 21 and a fixed statue 23, the gas sprayed by the air pump 12 is sprayed to the outside through the fixed structure 2, the fixed structure 2 is fixedly connected with a connecting structure 5, the connecting structure 5 comprises a mask 51 and a panel cover 52, one side of the panel cover 52 is fixedly connected with a detection structure 3, the detection structure 3 comprises a vent pipe 31, the gas is introduced into the water inlet tank 41 through the vent pipe 31, the vent pipe 31 is fixedly connected in the filling structure 4, and the filling structure 4 comprises the water tank 41.

The mask 51 is fixedly connected to the fixed statue 23, a panel cover 52 is arranged outside the mask 51, the mask 51 is wrapped at a pipe orifice at one end of the guide pipe 21, the panel cover 52 is detachably connected to two sides of the fixed statue 23 and is wrapped outside the mask 51 and the guide pipe 21, the mask 51 and the panel cover 52 are fixedly connected to the fixed statue 23 through the fixed statue 23, one end, far away from the vent pipe 31, in the water containing box 41 is connected with a water through pipe 32 in a penetrating manner, a one-way valve 33 is arranged in the middle of the water through pipe 32, a collecting box 44 is arranged on one side of the water containing box 41, the water through pipe 32 is connected between the water containing box 41 and the collecting box 44 in a penetrating manner, a graduated scale 42 is arranged on one side wall in the collecting box 44, a cover plate 45 is rotatably connected to the top of the collecting box 44, water in the water containing box 41 is squeezed into the collecting box 44 through the water through pipe 32, the top fixedly connected with standpipe 22 of apparatus box 1, standpipe 22 runs through apparatus box 1 and exhaust tube 13 through connection, one side fixedly connected with pipe 21 of standpipe 22, pipe 21 and standpipe 22 through connection, the fixed statue 23 of one end fixedly connected with of pipe 21, fixed statue 23 runs through pipe 21, discharge the air pump 12 combustion gas to the outside through standpipe 22 and pipe 21, one side fixedly connected with breather pipe 31 of panel cover 52, panel cover 52 runs through with breather pipe 31, breather pipe 31 runs through in water containing box 41, one side threaded connection of water containing box 41 has screw thread post 43, seal water containing box 41 through screw thread post 43, twist out screw thread post 43, pour water into water containing box 41, one side lateral wall in water containing box 41 is equipped with scale 42.

Specifically, when in use, the threaded column 43 on one side in the water tank 41 is twisted off, water is injected into the water tank 41, the threaded column 43 is twisted on, the water tank 41 is closed, the mask 51 is taken down from the fixed statue 23, the panel cover 52 is inserted into the two sides of the fixed statue 23 and fixed, air extracted for a certain time is discharged into the vertical tube 22 through the air extraction tube 13 by the air pump 12, then the air is discharged into the water tank 41 through the conduit 21 and the vent tube 31 communicated with the panel cover 52, the pressure in the water tank 41 is increased by the air in the water tank 41, the water in the water tank 41 is pressed into the collection box 44 through the water tube 32, the water tube 32 is blocked by the check valve 33 after the air is discharged, the volume of the discharged water is recorded by the scale 42 on one side of the collection box 44, the mask 51 is hung on the two sides of the fixed statue 23 and wrapped on the tube opening on one end of the conduit 21, the air pump 12 is used for pumping the air for the same time, the same operation is carried out, the obtained volume of the water is recorded, the air permeability of the mask 51 is obtained by subtracting the volumes of the two times, so that the operation for measuring the air permeability of the mask 51 is simple and convenient, the whole measuring process is simpler and more time-saving, and the measuring cost is greatly reduced.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. A mask air permeability tester is characterized by comprising a tester box body (1), an air pump (12) is fixedly connected in the determinator case body (1), both sides of the air pump (12) are fixedly connected with air exhaust pipes (13), the top of the determinator case body (1) is fixedly connected with a fixed structure (2), the fixed structure (2) comprises a vertical pipe (22), a guide pipe (21) and a fixed statue (23), the fixed structure (2) is fixedly connected with a connecting structure (5), the connecting structure (5) comprises a mask (51) and a panel cover (52), one side of the panel cover (52) is fixedly connected with a detection structure (3), the detection structure (3) comprises a vent pipe (31), the breather pipe (31) is fixedly connected in the filling structure (4), and the filling structure (4) comprises a water tank (41).

2. The mask air-permeability tester of claim 1, wherein: the measuring instrument comprises a measuring instrument box body (1), and is characterized in that a vertical pipe (22) is fixedly connected to the top of the measuring instrument box body (1), the vertical pipe (22) penetrates through the measuring instrument box body (1) and is in through connection with an air exhaust pipe (13), a guide pipe (21) is fixedly connected to one side of the vertical pipe (22), the guide pipe (21) is in through connection with the vertical pipe (22), a fixed statue (23) is fixedly connected to one end of the guide pipe (21), and the fixed statue (23) penetrates through the guide pipe (21).

3. The mask air-permeability tester of claim 1, wherein: fixedly connected with gauze mask (51) on fixed statue (23), the outside of gauze mask (51) is equipped with panel cover (52), gauze mask (51) parcel is at the one end mouth of pipe (21), panel cover (52) are dismantled and are connected in the both sides of fixed statue (23) and parcel outside gauze mask (51) and pipe (21).

4. The mask air-permeability tester of claim 1, wherein: the water tank is characterized in that a vent pipe (31) is fixedly connected to one side of the panel cover (52), the panel cover (52) is communicated with the vent pipe (31), the vent pipe (31) penetrates through the water tank (41), a threaded column (43) is in threaded connection with one side of the water tank (41), and a graduated scale (42) is arranged on the side wall of one side of the water tank (41).

5. The mask air-permeability tester of claim 1, wherein: one end through connection who keeps away from breather pipe (31) in water container (41) has water service pipe (32), the centre of water service pipe (32) is equipped with check valve (33), one side of water container (41) is equipped with collecting box (44), water service pipe (32) through connection is between water container (41) and collecting box (44), one side lateral wall in collecting box (44) is equipped with scale (42), the top of collecting box (44) is rotated and is connected with apron (45).