CN218546470U - Non-woven fabrics ventilation volume detector - Google Patents
Non-woven fabrics ventilation volume detector Download PDFInfo
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- CN218546470U CN218546470U CN202222213756.7U CN202222213756U CN218546470U CN 218546470 U CN218546470 U CN 218546470U CN 202222213756 U CN202222213756 U CN 202222213756U CN 218546470 U CN218546470 U CN 218546470U
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Abstract
The utility model discloses a non-woven fabrics ventilation volume detector relates to non-woven fabrics ventilation volume and detects technical field, include: the gas storage bin is fixedly provided with a detection cylinder at the upper end, the top of the gas storage bin is connected with a conveying pipe, the conveying pipe is connected with the detection cylinder, and a valve is arranged on the conveying pipe; the compression ring is arranged right above the detection cylinder; the driving mechanism is used for driving the compression ring to displace towards the direction of the detection cylinder; the air pressure gauge is used for detecting the pressure in the gas storage bin in real time and is fixedly connected to the gas storage bin; the utility model has the advantages that: the detection sample is placed on the detection cylinder to be blocked, after the valve is closed, the air bag is inflated to suck external air and inject the air into the air storage bin, the air storage bin can store the air, the valve is closed in the pressurization process, the air can only enter and cannot exit, and the pressurization can be carried out quickly.
Description
Technical Field
The utility model relates to a non-woven fabrics ventilation volume detects technical field, specifically is a non-woven fabrics ventilation volume detector.
Background
The air permeability is the gas permeation amount, which is the amount of gas permeating through a unit area per unit time when gas is stably permeated at a constant temperature and a unit pressure difference, and when the non-woven fabric is produced, a certain sample needs to be sampled to detect the air permeability.
The publication numbers are: 202121948496.7A kind of non-woven fabrics air permeability fast detector, disclose a kind of non-woven fabrics air permeability fast detector, including the base, characterized by that to equip with the seal ring on the rectangular base, there are cavities in the middle, there are air vents in the middle of the left end, the outer end of air vent communicates with air pipe joint, the air pipe joint left end communicates with air pipe, the air pipe end is equipped with the valve, the valve is installed between connecting pipe between air sac and pressure gage; the fixing frame is arranged in a cavity in the middle of the base, and a vent hole arranged in the middle of the left end of the fixing frame is communicated with the cavity.
The existing detection equipment generally comprises an automatic detection device and a manual detection device, the automatic detection equipment is mainly used in a laboratory scene, a fabric is pressed on a selected test head, an instrument generates continuous airflow to pass through a sample, a certain pressure difference is generated on two sides of the sample, and a system automatically calculates the air permeability of the sample in a very short time; the detector of manual class, it is small to have, portable, can be anytime and anywhere and the on-the-spot characteristics of detecting the product entirely fast, but present manual class detector, in the use, need pressurize to certain pressure after, whether the time after the certain numerical value is confirmed to the ventilative volume of cloth through pressure decline, this in-process of pressurizeing, utilize repeatedly to press the air pump and reach the pressurization purpose, but the non-woven fabrics is ventilative all the time, consequently, pressurize and leak gas and go on in step, consequently, need press the air pump fast, make the air input be greater than ventilative volume more than the ability far away, it is very hard in pressurization process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilative volume detector of non-woven fabrics, the storage of air can be carried out in the gas storage storehouse, and the valve is closed to the pressurization in-process, realizes only can not advancing of air, can pressurize fast to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a nonwoven fabric air permeability measuring device comprising:
the gas storage bin is fixedly provided with a detection cylinder at the upper end, the top of the gas storage bin is connected with a conveying pipe, the conveying pipe is connected with the detection cylinder, and a valve is arranged on the conveying pipe;
the compression ring is arranged right above the detection cylinder;
the driving mechanism is used for driving the compression ring to displace towards the direction of the detection cylinder;
the barometer is used for detecting the pressure in the gas storage bin in real time and is fixedly connected to the gas storage bin;
and the pressurizing assembly is used for pumping outside air to be injected into the gas storage bin so as to increase the pressure of the gas storage bin.
Preferably, the driving mechanism comprises a fixed block, a displacement block, a sliding rod and a spring, the fixed block is fixedly arranged on two sides of the detection cylinder, and the displacement block is fixedly arranged on two sides of the compression ring.
Preferably, the sliding rod is fixedly installed on the fixed block, the displacement block is connected to the outside of the sliding rod in a sliding mode, and the spring is movably sleeved on the outside of the sliding rod.
Preferably, the lower end of the spring abuts against the upper surface of the displacement block, and the upper end of the spring abuts against the top of the sliding rod.
Preferably, the compression ring is fixedly provided with a lifting handle, and the displacement block is provided with an avoiding groove.
Preferably, the pressurizing assembly comprises an inflatable air bag and a hose, the inflatable air bag is connected with the hose, and the other end of the hose is connected with the air storage bin.
Compared with the prior art, the beneficial effects of the utility model are that: this non-woven fabrics ventilation volume detector: the detection sample is placed on detecting a section of thick bamboo to utilize the pressure ring to fix the sample, make the sample carry out the shutoff to detecting a section of thick bamboo, after the closed valve, press and aerify the gasbag, aerify in the gasbag pumps external air injection gas storage storehouse, the gas storage storehouse can carry out the storage of air, the pressurization in-process closes the valve, realizes that only advancing of air can not go out, can pressurize fast.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic overall structural diagram provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the gas storage bin and the detecting cylinder according to the embodiment of the present invention;
fig. 3 is an overall sectional view provided by the embodiment of the present invention.
In the figure: 10. a gas storage bin; 11. a detection cylinder; 12. a delivery pipe; 13. a valve; 14. a barometer; 15. a hose; 16. an inflatable air bag; 18. a compression ring; 19. a fixed block; 20. a displacement block; 201. a position avoiding groove; 21. a slide bar; 22. a spring; 23. and lifting the handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Referring to fig. 1-3, the present invention provides a technical solution: a nonwoven fabric air permeability amount detector comprising:
the gas storage bin 10 is characterized in that a detection cylinder 11 is fixedly mounted at the upper end of the gas storage bin 10, the top of the gas storage bin 10 is connected with a conveying pipe 12, the conveying pipe 12 is connected with the detection cylinder 11, and a valve 13 is arranged on the conveying pipe 12; the gas storage bin 10 is used for storing air, the upper end of the detection cylinder 11 is opened, the lower end of the detection cylinder 11 is sealed, the delivery pipe 12 can communicate the gas storage bin 10 with the detection cylinder 11, the communication or the closing of the detection cylinder 11 and the gas storage bin 10 can be controlled through the valve 13, the sample non-woven fabric needs to be fixed at the opening of the detection cylinder 11, the air in the gas storage bin 10 can flow into the detection cylinder 11 by opening the valve 13, so that the two sides of the sample generate pressure difference, and high pressure can flow out towards low pressure through the non-woven fabric;
the pressing ring 18, the pressing ring 18 is set up in detecting the cylinder 11 directly above; the compression ring 18 needs to be matched with the diameter of the detection cylinder 11, so that the non-woven fabric can be fixed on the detection cylinder 11 to seal the opening of the detection cylinder 11;
a drive mechanism for driving the compression ring 18 to displace toward the detection cylinder 11; the driving mechanism is used for extruding the compression ring 18, so that the compression ring 18 can extrude the detection cylinder 11, and the non-woven fabric placed between the compression ring and the detection cylinder can be fixed;
the air pressure gauge 14 is used for detecting the pressure in the gas storage bin 10 in real time, and the air pressure gauge 14 is fixedly connected to the gas storage bin 10; the barometer 14 can detect the air pressure in the gas storage bin 10;
a pressurizing assembly for sucking external air and injecting the air into the gas storage bin 10 to increase the pressure of the gas storage bin 10; the pressurizing assembly can be used for injecting air into the gas storage bin 10, so that the pressure in the gas storage bin 10 is increased.
Referring to fig. 1-3, the driving mechanism includes a fixed block 19, a displacement block 20, a sliding rod 21 and a spring 22, the fixed block 19 is fixedly installed at two sides of the detecting cylinder 11, the displacement block 20 is fixedly installed at two sides of the pressing ring 18, the sliding rod 21 is fixedly installed on the fixed block 19, the displacement block 20 is slidably connected to the outside of the sliding rod 21, the spring 22 is movably sleeved on the outside of the sliding rod 21, the displacement block 20 can drive the pressing ring 18 to displace together when moving, and the spring 22 is used for applying a downward thrust to the displacement block 20, so that the pressing ring 18 synchronously displaces downward, and thus, the sample non-woven fabric can be fixed;
referring to fig. 1, the lower end of the spring 22 abuts against the upper surface of the displacement block 20, the upper end of the spring 22 abuts against the top of the sliding rod 21, and the cross-sectional shape of the sliding rod 21 is T-shaped, so that the sliding rod 21 can limit the spring 22, and the spring 22 can rebound towards the displacement block 20 to always apply downward pressure to the displacement block 20, thereby fixing the sample.
Referring to fig. 3, a lifting handle 23 is fixedly mounted on the clamp ring 18, a position-avoiding groove 201 is formed in the displacement block 20, the arrangement of the lifting handle 23 facilitates upward pulling of the clamp ring 18 for displacement, so that the sample non-woven fabric can be conveniently taken down, the position-avoiding groove 201 provides a position-avoiding function for the non-woven fabric, and the non-woven fabric can be prevented from being extruded between the displacement block 20 and the fixed block 19.
Referring to fig. 1, the pressurizing assembly includes an inflatable airbag 16 and a hose 15, the inflatable airbag 16 is connected to the hose 15, the other end of the hose 15 is connected to the gas storage bin 10, the inflatable airbag 16 belongs to the conventional technology known to those skilled in the art, and the working principle of the inflatable airbag 16 is not described herein, and the pressure in the gas storage bin 10 can be increased by pressurizing the gas storage bin 10 with the inflatable airbag 16.
The utility model discloses when concrete implementation: when the non-woven fabric air-permeable detection device is used, the lifting handle 23 is pulled upwards firstly, the detection cylinder 11 is separated from the compression ring 18, a non-woven fabric sample is placed at the opening of the detection cylinder 11 along the edge, the lifting handle 23 is released, the spring 22 rebounds, the compression ring 18 moves downwards and fixes the non-woven fabric sample, the valve 13 is closed again, the air bag 16 is pressed, the pressure in the air storage bin 10 is increased along with the increase of the pressing times, the pressure stops pressing after the number of the barometer 14 is increased to a certain value, timing is started, the valve 13 is opened, air in the air storage bin 10 flows into the detection cylinder 11, so that pressure difference is generated on two surfaces of the sample, the high pressure flows out towards the low pressure through the non-woven fabric, after the barometer 14 is lowered to the fixed value, whether the air permeability is qualified or not is judged according to the time at the moment, and if the time is longer than the set time, the air permeability of the non-woven fabric is unqualified.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. A nonwoven fabric air permeability amount detector is characterized by comprising:
the gas storage device comprises a gas storage bin (10), wherein a detection cylinder (11) is fixedly mounted at the upper end of the gas storage bin (10), the top of the gas storage bin (10) is connected with a conveying pipe (12), the conveying pipe (12) is connected with the detection cylinder (11), and a valve (13) is arranged on the conveying pipe (12);
a compression ring (18), wherein the compression ring (18) is arranged right above the detection cylinder (11);
a drive mechanism for driving the compression ring (18) to displace in the direction of the detection cylinder (11);
the air pressure gauge (14), the air pressure gauge (14) is used for detecting the pressure in the gas storage bin (10) in real time, and the air pressure gauge (14) is fixedly connected to the gas storage bin (10);
the pressurizing assembly is used for sucking outside air and injecting the outside air into the air storage bin (10) so as to increase the pressure of the air storage bin (10).
2. The nonwoven fabric air permeability tester according to claim 1, characterized in that: the driving mechanism comprises a fixing block (19), a displacement block (20), a sliding rod (21) and a spring (22), the fixing block (19) is fixedly installed on two sides of the detection barrel (11), and the displacement block (20) is fixedly installed on two sides of the compression ring (18).
3. The nonwoven fabric air permeability detector according to claim 2, characterized in that: the sliding rod (21) is fixedly installed on the fixing block (19), the displacement block (20) is connected to the outside of the sliding rod (21) in a sliding mode, and the spring (22) is movably sleeved on the outside of the sliding rod (21).
4. The nonwoven fabric air permeability detector according to claim 3, characterized in that: the lower end of the spring (22) abuts against the upper surface of the displacement block (20), and the upper end of the spring (22) abuts against the top of the sliding rod (21).
5. The nonwoven fabric air permeability detector according to claim 2, characterized in that: the compression ring (18) is fixedly provided with a lifting handle (23), and the displacement block (20) is provided with a position avoiding groove (201).
6. The nonwoven fabric air permeability tester according to claim 1, characterized in that: the pressurizing assembly comprises an inflatable air bag (16) and a hose (15), the inflatable air bag (16) is connected with the hose (15), and the other end of the hose (15) is connected with the air storage bin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222213756.7U CN218546470U (en) | 2022-08-23 | 2022-08-23 | Non-woven fabrics ventilation volume detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222213756.7U CN218546470U (en) | 2022-08-23 | 2022-08-23 | Non-woven fabrics ventilation volume detector |
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| Publication Number | Publication Date |
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| CN218546470U true CN218546470U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222213756.7U Active CN218546470U (en) | 2022-08-23 | 2022-08-23 | Non-woven fabrics ventilation volume detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116678801A (en) * | 2023-08-03 | 2023-09-01 | 江苏邦美新材料有限公司 | Melt-blown non-woven fabric air permeability detection device and detection method |
| CN116930039A (en) * | 2023-08-29 | 2023-10-24 | 江苏新芳科技集团股份有限公司 | Fabric ventilation detection device |
-
2022
- 2022-08-23 CN CN202222213756.7U patent/CN218546470U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116678801A (en) * | 2023-08-03 | 2023-09-01 | 江苏邦美新材料有限公司 | Melt-blown non-woven fabric air permeability detection device and detection method |
| CN116678801B (en) * | 2023-08-03 | 2023-10-31 | 江苏邦美新材料有限公司 | Melt-blown non-woven fabric air permeability detection device and detection method |
| CN116930039A (en) * | 2023-08-29 | 2023-10-24 | 江苏新芳科技集团股份有限公司 | Fabric ventilation detection device |
| CN116930039B (en) * | 2023-08-29 | 2023-11-28 | 江苏新芳科技集团股份有限公司 | Fabric ventilation detection device |
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