CN212459325U - Mask air tightness tester - Google Patents
Mask air tightness tester Download PDFInfo
- Publication number
- CN212459325U CN212459325U CN202021276664.8U CN202021276664U CN212459325U CN 212459325 U CN212459325 U CN 212459325U CN 202021276664 U CN202021276664 U CN 202021276664U CN 212459325 U CN212459325 U CN 212459325U
- Authority
- CN
- China
- Prior art keywords
- face guard
- mould
- mask
- fixedly connected
- vacuum pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a face guard gas tightness tester, which comprises a bod, the top fixedly connected with mould of organism, and the front of organism installs the touch-sensitive screen, the face of mould is provided with the face guard, and the facial fixedly connected with differential pressure sensor of mould, the inside bolt fixedly connected with gas flowmeter, vacuum pump and the time-recorder of organism, the vacuum pump passes through the facial intercommunication of gas flowmeter and mould. The utility model discloses in, at first open the atmospheric pressure valve of face guard, through the difference of the inside atmospheric pressure of pressure difference sensor survey in-process face guard and outside atmospheric pressure, contrast with the standard value to survey face guard ventilation effect, then close the atmospheric pressure valve of face guard, through the inside atmospheric pressure of pressure difference sensor survey in-process face guard and outside atmospheric pressure difference, contrast with the standard value, thereby survey the seal of face guard with the facial laminating, thereby guarantee the security after the face guard production comes out.
Description
Technical Field
The utility model relates to a face guard gas tightness tester.
Background
The gas mask is a protective device aiming at protecting personal respiratory tract by poison gas, which is produced along with the killing of chemical weapons, and consists of a mask, a gas-guide tube and a canister. The mask needs to be subjected to air tightness detection in the production process, so that the structural state of the mask is ensured to be intact.
The existing mask airtightness detection mostly monitors a filtering system of the mask, and the attaching degree of the mask after being worn with a face is not detected, so that the mask is not closely attached to the face, and the problem of poor protection effect is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a face guard gas tightness tester has solved among the prior art not enough comprehensive problem of face guard gas tightness detection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a face guard gas tightness tester, includes the organism, the top fixedly connected with mould of organism, and the front of organism installs the touch-sensitive screen, the face of mould is provided with the face guard, and the facial fixedly connected with pressure differential transducer of mould, the inside bolt fixedly connected with gas flowmeter, vacuum pump and the time-recorder of organism, the vacuum pump passes through the facial intercommunication of gas flowmeter and mould.
As a further description of the above technical solution:
the back fixedly connected with connecting pipe of mould, and the one end of connecting pipe and the facial oronasal position intercommunication of mould, the other end and gas flowmeter's input intercommunication.
As a further description of the above technical solution:
the output end of the gas flowmeter is communicated with the input end of the vacuum pump through a connecting pipe.
As a further description of the above technical solution:
the back fixedly connected with two sets of connecting bands of face guard, and two sets of connecting bands are located the top and the bottom of mould respectively to the connecting band is elastic construction.
As a further description of the above technical solution:
the air pumping speed of the vacuum pump is 2L/min, the differential pressure measuring range of the differential pressure sensor is 0-1000Pa, and the precision is 1 Pa.
As a further description of the above technical solution:
the output end of the touch screen is electrically connected with the input end of the timer, the output end of the timer is electrically connected with the vacuum pump, and the input end of the touch screen is electrically connected with the output ends of the differential pressure sensor and the gas flowmeter.
The utility model discloses possess following beneficial effect at least:
the utility model discloses in, regulate and control the device through the touch-sensitive screen, the corresponding time is set for to the time-recorder, in this time quantum, the vacuum pump action, at first open the air pressure valve of face guard, through the difference of the inside atmospheric pressure of pressure differential sensor survey in-process face guard and outside atmospheric pressure, contrast with the standard value, thereby survey the ventilative effect of face guard, then close the air pressure valve of face guard, through the inside atmospheric pressure of pressure differential sensor survey in-process face guard and outside atmospheric pressure difference, contrast with the standard value, thereby survey the seal of face guard and facial laminating, thereby guarantee the security after the face guard production comes out.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;
fig. 2 illustrates a side view and partial cross-sectional view provided in accordance with an embodiment of the present invention;
fig. 3 shows an electrical connection diagram provided according to an embodiment of the present invention.
In the figure: 1. a body; 2. a touch screen; 3. a face mask; 4. a differential pressure sensor; 5. a connecting belt; 6. a mold; 7. a connecting pipe; 8. a gas flow meter; 9. a vacuum pump; 10. a timer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, a face guard gas tightness tester, including organism 1, the top fixedly connected with mould 6 of organism 1, mould 6 is the people's head pattern, and touch-sensitive screen 2 is installed in the front of organism 1, the face of mould 6 is provided with face guard 3, and the face fixedly connected with differential pressure sensor 4 of mould 6, the inside bolt fixedly connected with gas flowmeter 8 of organism 1, vacuum pump 9 and time-recorder 10, vacuum pump 9 passes through the gas flowmeter 8 and communicates with the face of mould 6, the speed of bleeding of vacuum pump 9 is 2L/min, differential pressure measuring range of differential pressure sensor 4 is 0-1000Pa, the precision is 1 Pa.
Specifically, as shown in fig. 2, a connecting pipe 7 is fixedly connected to the back of the mold 6, one end of the connecting pipe 7 is communicated with the mouth and nose position of the face of the mold 6, the other end of the connecting pipe is communicated with the input end of a gas flowmeter 8, and the output end of the gas flowmeter 8 is communicated with the input end of a vacuum pump 9 through the connecting pipe 7.
Specifically, as shown in fig. 1 and 2, two sets of connecting belts 5 are fixedly connected to the back of the mask 3, the two sets of connecting belts 5 are respectively located at the top and the bottom of the mold 6, and the connecting belts 5 are of an elastic structure.
Specifically, as shown in fig. 1 to 3, the output end of the touch screen 2 is electrically connected to the input end of a timer 10, the output end of the timer 10 is electrically connected to the vacuum pump 9, and the input end of the touch screen 2 is electrically connected to the differential pressure sensor 4 and the output end of the gas flowmeter 8
The working principle is as follows: when the mask is used, the mask 3 is installed on a mould 6 of the machine body 1, the mask is fixed in position through two groups of connecting bands 5, then the device is regulated and controlled through the touch screen 2, the timer 10 sets corresponding time, in the time period, the vacuum pump 9 acts, facial air of the mould 6 is extracted through the connecting tube 7, the extracted air is measured through the gas flowmeter 8 and fed back to the touch screen 2 in real time for display, firstly, the air pressure valve of the mask is opened, the difference value between the internal air pressure and the external air pressure of the mask in the process of measurement through the differential pressure sensor 4 is compared with a standard value, so that the ventilation effect of the mask is measured, then the air pressure valve of the mask is closed, the difference value between the internal air pressure and the external air pressure of the mask in the process of measurement through the differential pressure sensor 4 is compared with the standard value, so that the tightness of, thereby ensuring the safety of the mask after production.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a face guard gas tightness tester, includes organism (1), the top fixedly connected with mould (6) of organism (1), and the front of organism (1) installs touch-sensitive screen (2), its characterized in that, the face of mould (6) is provided with face guard (3), and the facial fixedly connected with differential pressure sensor (4) of mould (6), the inside bolt fixedly connected with gas flowmeter (8), vacuum pump (9) and time-recorder (10) of organism (1), vacuum pump (9) are through the facial intercommunication of gas flowmeter (8) and mould (6).
2. The mask airtightness tester according to claim 1, wherein a connecting pipe (7) is fixedly connected to the back of the mold (6), and one end of the connecting pipe (7) is communicated with the mouth and nose positions of the face of the mold (6), and the other end is communicated with the input end of the gas flowmeter (8).
3. The mask airtightness tester according to claim 2, wherein the output end of the gas flow meter (8) is communicated with the input end of the vacuum pump (9) through a connection pipe (7).
4. The mask airtightness tester according to claim 1, wherein two sets of connecting strips (5) are fixedly connected to the back surface of the mask (3), the two sets of connecting strips (5) are respectively located at the top and bottom of the mold (6), and the connecting strips (5) are of an elastic structure.
5. The mask airtightness tester according to claim 1, wherein the vacuum pump (9) has a pumping speed of 2L/min, and the differential pressure sensor (4) has a differential pressure measurement range of 0-1000Pa with an accuracy of 1 Pa.
6. The mask airtightness tester according to claim 1, wherein the output end of the touch screen (2) is electrically connected to the input end of a timer (10), the output end of the timer (10) is electrically connected to the vacuum pump (9), and the input end of the touch screen (2) is electrically connected to the output ends of the differential pressure sensor (4) and the gas flowmeter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021276664.8U CN212459325U (en) | 2020-07-03 | 2020-07-03 | Mask air tightness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021276664.8U CN212459325U (en) | 2020-07-03 | 2020-07-03 | Mask air tightness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212459325U true CN212459325U (en) | 2021-02-02 |
Family
ID=74463097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021276664.8U Expired - Fee Related CN212459325U (en) | 2020-07-03 | 2020-07-03 | Mask air tightness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212459325U (en) |
-
2020
- 2020-07-03 CN CN202021276664.8U patent/CN212459325U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 Termination date: 20210703 |