CN215179476U - Test head die and integrated form gauze mask tester - Google Patents
Test head die and integrated form gauze mask tester Download PDFInfo
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- CN215179476U CN215179476U CN202023100975.1U CN202023100975U CN215179476U CN 215179476 U CN215179476 U CN 215179476U CN 202023100975 U CN202023100975 U CN 202023100975U CN 215179476 U CN215179476 U CN 215179476U
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Abstract
The utility model relates to a test head mould and integrated form gauze mask tester, wherein, the test head mould includes: the head model is provided with an opening and ears for hanging the mask; an outer fixing tube fixed to the head model and extending to the mouth; an inner air suction pipe is fixedly arranged in the outer fixing pipe in a penetrating manner, one end of the inner air suction pipe extends to the mouth part, an air suction joint is arranged at the other end of the inner air suction pipe, an air supply cavity is arranged between the outer fixing pipe and the inner air suction pipe, a plurality of air supply holes are formed in one end, close to the mouth part, of the inner air suction pipe, and the outer fixing pipe is connected with the air supply joint; and the pressure difference pipe penetrates through and is fixed in the inner air suction pipe, a pressure difference sensing sampling head is arranged at one end, close to the opening, of the pressure difference pipe, and a pressure difference connector is arranged at the other end of the pressure difference pipe. Through simulating the processes of inhaling and exhaling for a plurality of times and synchronously carrying out a plurality of times of pressure difference detection, the rapid, effective and accurate detection can be carried out on the filtration of the mask.
Description
Technical Field
The utility model relates to a gauze mask test technical field, in particular to test head mould and integrated form gauze mask tester.
Background
With the development of science and technology and the continuous improvement of national living standard, the health protection consciousness of the whole people is stronger and stronger. Through the popular science of the harmfulness of the public media to the air pollution particles such as haze, PM2.5 and the like, the health consciousness of people on respiratory protection is gradually strengthened. The mask is used as an important means of a respiratory protection article, and the state also provides corresponding execution standards for standardizing the quality of respiratory protection products on the market. Such as mandatory national standard GB 2626 of industrial masks 2006 respiratory protection article-self-priming filter type particulate-preventing respirator and recommended national standard GB/T32610 of civil masks 2016 of daily protective mask technical Specification.
Need test its filtering capability after gauze mask processing is accomplished to guarantee gauze mask quality and satisfy the requirement, current gauze mask test equipment test process is comparatively loaded down with trivial details, and efficiency of software testing is lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a test head mould and integrated form gauze mask tester has the advantage that the test process is convenient, efficiency of software testing is high.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a test head die, comprising:
the head model is provided with an opening and ears for hanging the mask;
an outer fixing tube fixed to the head model and extending to the mouth;
an inner air suction pipe is fixedly arranged in the outer fixing pipe in a penetrating manner, one end of the inner air suction pipe extends to the mouth part, an air suction joint is arranged at the other end of the inner air suction pipe, an air supply cavity is arranged between the outer fixing pipe and the inner air suction pipe, a plurality of air supply holes are formed in one end, close to the mouth part, of the inner air suction pipe, and the outer fixing pipe is connected with the air supply joint; and the number of the first and second groups,
the pressure difference pipe penetrates through and is fixed in the inner air suction pipe, a pressure difference sensing sampling head is arranged at one end, close to the opening, of the pressure difference pipe, and a pressure difference connector is arranged at the other end of the pressure difference pipe.
Realize above-mentioned technical scheme, during the test, the gauze mask that will await measuring is hung and is established the ear and cover the oronasal part on the head model, thereby can simulate real gauze mask wearing methods, can simulate the inspiration process through the connector of breathing in to internal breathing pipe, can simulate the expiration process through the connector of supplying air to the intracavity pump gas of supplying air, once bleed and breathe in the back and carry out pressure differential collection through pressure differential sensing sampling head, and spread pressure differential detection with pressure differential information through the pressure differential connector, can judge the filtering quality of gauze mask according to the pressure differential testing result, breathe in and exhale the process many times through the simulation, and carry out pressure differential detection many times in step, thereby can carry out fast to the filtration of gauze mask, and is effective, accurate survey.
As a preferred scheme of the utility model, the external fixation pipe is kept away from the one end inner wall of oral area is equipped with and clamps the bulge loop, clamp the bulge loop with the interior suction pipe cooperatees, be equipped with on the interior suction pipe with the inconsistent bulge loop that supports of tip of external fixation pipe, support press the bulge loop with the external fixation pipe passes through fastener locking fixedly.
The technical scheme is realized, and the outer fixed pipe and the inner air suction pipe are convenient to install and fix.
As a preferred scheme of the utility model, interior suction pipe keeps away from the one end of oral area is equipped with interior draw-in groove, be equipped with on the suction connection with interior draw-in groove matched with block step.
By adopting the technical scheme, the connection between the air suction joint and the inner air suction pipe is firmer.
As an optimized proposal of the utility model, the inner suction pipe is internally provided with a support frame for supporting the differential pressure pipe.
By the technical scheme, the differential pressure pipe is fixed more stably.
As an optimized proposal of the utility model, the outer fixed tube and the inner air suction tube lean against one end of the mouth part is provided with a protective end cover.
According to the technical scheme, the connection stability of the outer fixing pipe and the inner air suction pipe is improved, the end part of the air supply cavity can be sealed, the simulation test is convenient to carry out, and the end parts of the outer fixing pipe and the inner air suction pipe can be protected.
As an optimized proposal of the utility model, the outer fixed pipe is provided with a clamping notch.
According to the technical scheme, the clamp is convenient to clamp and fix.
On the other hand, the utility model also provides an integrated form gauze mask tester, include: the testing box body and the testing head die according to any one of the technical schemes are characterized in that a first air pump, a second air pump, a main control circuit board and a display are arranged in the testing box body, an air inlet of the first air pump is connected with the air suction connector, an air outlet of the second air pump is connected with the air supply connector, the pressure difference connector is connected with a pressure difference tester, and the main control circuit board is connected with the pressure difference tester and displays a pressure difference testing result through the display.
Realize above-mentioned technical scheme, during the test, the gauze mask that will await measuring is hung and is established the ear and cover the oral-nasal part on the head model, thereby can simulate real well gauze mask wearing manner, it can simulate the inspiration process to bleed through the joint internal breathing pipe of breathing in by first air pump, it can simulate the expiration process to pump gas to send the intracavity through the joint of sending gas by the second air pump, once bleed and breathe in back through pressure difference sensing sampling head and carry out pressure differential collection, and spread pressure differential information through the pressure differential joint, carry out pressure differential detection by the pressure differential tester, and show through the display screen, can judge the filtering quality of gauze mask according to the pressure differential testing result, breathe in and exhale the process many times through the simulation, and carry out many times pressure differential detection in step, thereby can carry out quick, effective, accurate survey to the filtration of gauze mask.
To sum up, the utility model discloses following beneficial effect has:
the embodiment of the utility model provides a through providing a test head mould and integrated form gauze mask tester, wherein, the test head mould includes: the head model is provided with an opening and ears for hanging the mask; an outer fixing tube fixed to the head model and extending to the mouth; an inner air suction pipe is fixedly arranged in the outer fixing pipe in a penetrating manner, one end of the inner air suction pipe extends to the mouth part, an air suction joint is arranged at the other end of the inner air suction pipe, an air supply cavity is arranged between the outer fixing pipe and the inner air suction pipe, a plurality of air supply holes are formed in one end, close to the mouth part, of the inner air suction pipe, and the outer fixing pipe is connected with the air supply joint; and the pressure difference pipe penetrates through and is fixed in the inner air suction pipe, a pressure difference sensing sampling head is arranged at one end, close to the opening, of the pressure difference pipe, and a pressure difference connector is arranged at the other end of the pressure difference pipe. During the test, the gauze mask that will await measuring is hung and is established the ear and cover the oral-nasal part on the head model, thereby can simulate real gauze mask wearing mode, can simulate the inspiration process through the connector of breathing in to internal breathing pipe, can simulate the expiration process through the connector of breathing in to the intracavity pump gas of breathing in, once bleed and breathe in the back and carry out pressure differential collection through pressure differential sensing sampling head, and spread pressure differential information through the pressure differential connector and carry out pressure differential detection, can judge the filtering quality of gauze mask according to the pressure differential testing result, breathe in and the expiration process many times through the simulation, and carry out many times pressure differential detection in step, thereby can carry out fast to the filtration of gauze mask, it is effective, accurate survey.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first removing head model according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a model of a removal head according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a head model; 11. a mouth; 12. an ear portion; 2. an outer fixed tube; 21. an air delivery cavity; 22. an air supply joint; 23. clamping the convex ring; 24. a protective end cap; 25. clamping the notch; 3. an inner air suction pipe; 31. A suction connection; 311. clamping the step; 32. an air supply hole; 33. pressing the convex ring; 34. a fastener; 35. An inner clamping groove; 36. a support frame; 4. a differential pressure tube; 41. a differential pressure sensing sampling head; 42. a differential pressure joint; 5. testing the box body; 51. a first air pump; 52. a second air pump; 53. a main control circuit board; 54. a display; 55. a differential pressure tester.
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 efforts belong to the protection scope of the present invention.
Example one
A test head die, as shown in fig. 1 to 3, comprising: the head model 1 is provided with a mouth part 11 and an ear part 12 for hanging the mask on the head model 1; an outer fixing tube 2 fixed to the head model 1 and extending to the mouth 11; an inner air suction pipe 3 fixed in the outer fixing pipe 2 in a penetrating way, one end of the inner air suction pipe 3 extends to the mouth part 11, the other end is provided with an air suction connector 31, an air supply cavity 21 is arranged between the outer fixing pipe 2 and the inner air suction pipe 3, one end of the inner air suction pipe 3 close to the mouth part 11 is provided with a plurality of air supply holes 32, and the outer fixing pipe 2 is connected with an air supply connector 22; and a differential pressure pipe 4 fixed in the inner air suction pipe 3 in a penetrating way, wherein one end of the differential pressure pipe 4 close to the mouth part 11 is provided with a differential pressure sensing sampling head 41, and the other end of the differential pressure pipe 4 is provided with a differential pressure joint 42.
Specifically, a clamping convex ring 23 is arranged on the inner wall of one end, far away from the mouth part 11, of the outer fixing tube 2, the clamping convex ring 23 is matched with the inner air suction tube 3, a pressing convex ring 33 which is abutted against the end part of the outer fixing tube 2 is arranged on the inner air suction tube 3, and the pressing convex ring 33 and the outer fixing tube 2 are locked and fixed through a fastener 34, so that the outer fixing tube 2 and the inner air suction tube 3 are conveniently installed and fixed; an inner clamping groove 35 is formed at one end of the inner air suction pipe 3, which is far away from the mouth part 11, and a clamping step 311 matched with the inner clamping groove 35 is formed on the air suction joint 31, so that the connection between the air suction joint 31 and the inner air suction pipe 3 is firmer.
One ends of the outer fixed pipe 2 and the inner air suction pipe 3 close to the opening part 11 are provided with protective end covers 24, so that the connection stability of the outer fixed pipe 2 and the inner air suction pipe 3 is improved, the end part of the air delivery cavity 21 can be sealed, the simulation test is convenient to carry out, and the end parts of the outer fixed pipe 2 and the inner air suction pipe 3 can be protected; and the outer fixed pipe 2 is provided with a clamping notch 25 so as to facilitate the clamping and fixing of the clamp.
Further, a support frame 36 for supporting the differential pressure pipe 4 is provided in the inner suction pipe 3, so that the differential pressure pipe 4 is fixed more stably.
During the test, the gauze mask that will await measuring is hung and is established ear 12 and cover the oral-nasal part on the head model 1, thereby can simulate real gauze mask wearing mode, it can simulate the process of breathing in to bleed air the internal breathing pipe 3 through the joint 31 of breathing in, can simulate the process of breathing in to the pump gas in the air supply chamber 21 through the joint 22 of supplying air, once bleed and breathe in the back and carry out pressure differential collection through pressure differential sensing sampling head 41, and spread pressure differential detection with pressure differential information through pressure differential joint 42, can judge the filtering quality of gauze mask according to the pressure differential test result, breathe in and breathe out the process many times through the simulation, and carry out many times pressure differential detection in step, thereby can carry out fast to the filtration of gauze mask, and is effective, accurate survey.
Example two
An integrated mask tester, as shown in fig. 4, comprises: the testing box body 5 is internally provided with a first air pump 51, a second air pump 52, a main control circuit board 53 and a display 54, an air inlet of the first air pump 51 is connected with the air suction connector 31, an air outlet of the second air pump 52 is connected with the air supply connector 22, the differential pressure connector 42 is connected with a differential pressure tester 55, and the main control circuit board 53 is connected with the differential pressure tester 55 and displays the differential pressure test result through the display 54.
During the test, the gauze mask that will await measuring is hung and is established at ear 12 and cover the oral-nasal part on the head model 1, thereby can simulate real well gauze mask wearing mode, it can simulate the inspiration process to bleed air through connector 31 internal breathing pipe by first air pump 51, it can simulate the expiration process to pump air in the air feed chamber 21 through air feed connector 22 by second air pump 52, once bleed and breathe in the back and carry out pressure differential collection through pressure differential sensing sampling head 41, and spread pressure differential information through pressure differential connector 42, carry out pressure differential detection by pressure differential tester 55, and show through the display screen, can judge the filtration performance of gauze mask according to the pressure differential testing result, through simulating many times breathing in and expiration processes, and carry out pressure differential detection many times in step, thereby can carry out quick, effective, accurate survey to the filtration of gauze mask.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A test head die, comprising:
the head model is provided with an opening and ears for hanging the mask;
an outer fixing tube fixed to the head model and extending to the mouth;
an inner air suction pipe is fixedly arranged in the outer fixing pipe in a penetrating manner, one end of the inner air suction pipe extends to the mouth part, an air suction joint is arranged at the other end of the inner air suction pipe, an air supply cavity is arranged between the outer fixing pipe and the inner air suction pipe, a plurality of air supply holes are formed in one end, close to the mouth part, of the inner air suction pipe, and the outer fixing pipe is connected with the air supply joint; and the number of the first and second groups,
the pressure difference pipe penetrates through and is fixed in the inner air suction pipe, a pressure difference sensing sampling head is arranged at one end, close to the opening, of the pressure difference pipe, and a pressure difference connector is arranged at the other end of the pressure difference pipe.
2. The testing head die as claimed in claim 1, wherein a clamping convex ring is provided on an inner wall of an end of the outer fixing tube away from the mouth, the clamping convex ring is matched with the inner air suction tube, a pressing convex ring abutting against an end of the outer fixing tube is provided on the inner air suction tube, and the pressing convex ring and the outer fixing tube are locked and fixed by a fastener.
3. The test head die as claimed in claim 2, wherein an inner clamping groove is formed at one end of the inner air suction pipe away from the opening, and a clamping step matched with the inner clamping groove is formed on the air suction connector.
4. The test head die of claim 1, wherein a support frame is provided in the internal suction pipe for supporting the differential pressure pipe.
5. The test head die of claim 1, wherein the outer fixed tube and the inner air suction tube have protective end caps at ends thereof adjacent to the mouth.
6. The test head die of claim 1, wherein said outer mounting tube is provided with a clamping slot opening.
7. An integrated form gauze mask tester which characterized in that includes: the testing device comprises a testing box body and the testing head die as claimed in any one of claims 1 to 6, wherein a first air pump, a second air pump, a main control circuit board and a display are arranged in the testing box body, an air inlet of the first air pump is connected with the air suction connector, an air outlet of the second air pump is connected with the air supply connector, the differential pressure connector is connected with a differential pressure tester, and the main control circuit board is connected with the differential pressure tester and displays the differential pressure test result through the display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023100975.1U CN215179476U (en) | 2020-12-21 | 2020-12-21 | Test head die and integrated form gauze mask tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023100975.1U CN215179476U (en) | 2020-12-21 | 2020-12-21 | Test head die and integrated form gauze mask tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215179476U true CN215179476U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023100975.1U Active CN215179476U (en) | 2020-12-21 | 2020-12-21 | Test head die and integrated form gauze mask tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215179476U (en) |
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2020
- 2020-12-21 CN CN202023100975.1U patent/CN215179476U/en active Active
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