Device for detecting air permeability of garment fabric

Abstract

The utility model discloses a garment fabric air permeability detection device which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting base, the upper surface of the supporting base is fixedly connected with a second air outlet pipe, the side surface of the second air outlet pipe is in contact with cloth, and the cloth is far away from the second air outlet pipe and is in contact with a rubber ring. A movable plate is fixedly connected to the surface of the lower end of the extrusion ring, a hydraulic cylinder is fixedly connected to the upper surface of the bottom plate away from the movable plate, the output end of the hydraulic cylinder is fixedly connected with a telescopic rod, and the telescopic rod away from the hydraulic cylinder is fixedly connected with the movable plate; the upper surface of the bottom plate away from the hydraulic cylinder is fixedly connected with a wind power detection device. Through the structure, the extrusion ring and the hydraulic cylinder are arranged, so that the cloth can be tightly pressed at the air blowing port, and the area of the cloth blown by wind in the testing process can be ensured not to be changed.

Description

Technical Field

[0001] The utility model relates to the technical field of air permeability detection, in particular to an air permeability detection device for clothing fabrics. Background Art

[0002] Wearing clothes with good air permeability can increase the heat dissipation speed, avoid the accumulation of sweat on the human body, and improve people's wearing comfort. Therefore, air permeability is also an important indicator for judging the performance of knitted fabrics. The air permeability of knitted fabrics needs to be tested during the production process.

[0003] At present, the air permeability of fabrics is generally tested by measuring the amount of air passing through the fabric to judge the air permeability. Usually, the two ends of the fabric are clamped with clips, and then the fabric is blown with a hair dryer. The air permeability of the fabric is judged based on the amount of gas flow. However, in this process, the fabric will deform, causing the measured ventilation area to change, affecting the measurement accuracy. Utility Model Content

[0004] The utility model provides a device for detecting the air permeability of clothing fabrics, which can press the fabrics tightly at the air blowing port and ensure that the area of ​​the fabrics blown by the wind does not change during the test process.

[0005] In order to achieve the above-mentioned purpose, a device for detecting the air permeability of clothing fabrics is provided, comprising a bottom plate, the upper surface of the bottom plate is fixedly connected to a support base, the upper surface of the support base is fixedly connected to a second air outlet pipe, the side surface of the second air outlet pipe contacts the fabric, the fabric contacts the rubber ring away from the second air outlet pipe, the rubber ring is fixedly connected to an extrusion ring away from the fabric, the lower end surface of the extrusion ring is fixedly connected to a moving plate, the upper surface of the bottom plate is fixedly connected to a hydraulic cylinder away from the moving plate, the output end of the hydraulic cylinder is fixedly connected to a telescopic rod, the telescopic rod is fixedly connected to the moving plate away from the hydraulic cylinder, and the upper surface of the bottom plate is fixedly connected to a wind force detection device away from the hydraulic cylinder. The support base is provided to facilitate fixing the position of the second air outlet pipe, the second air outlet pipe and the rubber ring are pressed tightly, the rubber ring is provided to facilitate reducing the impact force when pressing against the second air outlet pipe, the hydraulic cylinder is provided to facilitate providing power to the telescopic rod, the telescopic rod is provided to facilitate pushing the moving plate to move, and the wind force detection device is provided to facilitate measuring the gas flow rate through the fabric.

[0006] According to the device for detecting the air permeability of clothing fabrics, the inner surface of the extrusion ring is fixedly connected to the third air outlet pipe away from the rubber ring, and the inner surface of the extrusion ring is provided with a second sealing ring, and the second sealing ring is in close contact with the outer cylindrical surface of the third air outlet pipe. The second sealing ring is provided to facilitate the guarantee that the third air outlet pipe will not flow out from the connection between the third air outlet pipe and the extrusion ring, and the third air outlet pipe is provided to facilitate the passage of gas that passes through the fabric.

[0007] According to the device for detecting the air permeability of clothing fabrics, a first sealing ring is provided on the outer cylindrical surface of the second air outlet pipe away from the fabric, the outer cylindrical surface of the second air outlet pipe away from the fabric is fixedly connected to the first air outlet pipe, and the first sealing ring is in close contact with the inner cylindrical surface of the first air outlet pipe. The first sealing ring is provided to prevent the airflow from leaking out of the first air outlet pipe, and the first air outlet pipe is provided to facilitate the delivery of gas to the second air outlet pipe.

[0008] According to the clothing fabric air permeability testing device, the upper surface of the bottom plate is fixedly connected to a hair dryer away from the supporting base, and the output end of the hair dryer is fixedly connected to the first air outlet pipe. The hair dryer is provided to facilitate the provision of wind power.

[0009] According to the device for detecting the air permeability of clothing fabrics, the hair dryer is fixedly connected to the air inlet pipe away from the first air outlet pipe, and the air inlet pipe is fixedly connected to the filter plate. The air inlet pipe is provided to facilitate the entry of external air into the hair dryer, and the filter plate is provided to facilitate the filtering of dust in the external air.

[0010] According to the device for detecting the air permeability of clothing fabrics, the wind force detection device includes a fixing plate, a display, a pressure sensor, a fixing column, a spring, and a wind shield. The upper surface of the bottom plate is fixedly connected to the fixing plate away from the third air outlet pipe, and the upper surface of the fixing plate is fixedly connected to the display. The fixing plate is provided to facilitate the installation of the pressure sensor, and the display is provided to facilitate timely confirmation of the current wind force passing through the fabric.

[0011] According to the device for detecting the air permeability of clothing fabrics, the fixing plate is fixedly connected to a pressure sensor close to the third air outlet pipe, and the pressure sensor is fixedly connected to a spring away from the fixing plate. The pressure sensor is provided to facilitate the detection of the pressure of the airflow passing through the fabric on the windshield, and the spring is provided to facilitate the transmission of the pressure on the windshield.

[0012] According to the device for detecting the air permeability of clothing fabrics, the fixing plate is fixedly connected to the fixing column near the third air outlet pipe, the fixing column is in multiple numbers, the spring is fixedly connected to the windshield away from the pressure sensor, the windshield is passed through by multiple fixing columns, the windshield can slide on the surface of the fixing column, and the windshield is inside the third air outlet pipe. The fixing column is provided to facilitate ensuring that the windshield is always in a vertical position with the third air outlet pipe.

[0013] The beneficial effects of the utility model are as follows: by arranging the squeezing ring and the hydraulic cylinder, the cloth can be pressed tightly at the blowing port, and the area of ​​the cloth blown by the wind can be ensured not to change during the test process.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the overall structure of a device for testing the air permeability of clothing fabrics according to the utility model;

[0017] Figure 2 This is a structural diagram of a wind force detection device of a clothing fabric air permeability detection device of the utility model;

[0018] Figure 3 This is a cross-sectional view of the structure of the blower of a device for testing the air permeability of clothing fabrics according to the utility model;

[0019] Figure 4 This is a cross-sectional view of the fabric clamping structure of a device for testing the air permeability of clothing fabrics according to the utility model;

[0020] Figure 5 This is a structural cross-sectional view of the installation position of a wind force detection device of a clothing fabric air permeability detection device of the utility model;

[0021] Figure 6 The present invention is a structural diagram of an existing device for solving the technical problem mentioned in the background technology.

[0022] Legend:

[0023] 1. Bottom plate; 2. Air inlet pipe; 3. Hair dryer; 4. First air outlet pipe; 5. Second air outlet pipe; 6. Support base; 7. Cloth; 8. Rubber ring; 9. Extrusion ring; 10. Moving plate; 11. Telescopic rod; 12. Hydraulic cylinder; 13. Third air outlet pipe; 14. Wind force detection device; 15. Filter plate; 16. First sealing ring; 17. Second sealing ring; 1401. Fixed plate; 1402. Display; 1403. Pressure sensor; 1404. Fixed column; 1405. Spring; 1406. Wind shield. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Embodiment 1:

[0026] Reference Figure 1-5 The utility model embodiment is a clothing fabric air permeability detection device, which includes a bottom plate 1, the upper surface of the bottom plate 1 is fixedly connected to a support base 6, the upper surface of the support base 6 is fixedly connected to a second air outlet pipe 5, the side surface of the second air outlet pipe 5 is in contact with a cloth 7, the cloth 7 is away from the second air outlet pipe 5 and in contact with a rubber ring 8, the rubber ring 8 is fixedly connected to an extrusion ring 9 away from the cloth 7, the lower end surface of the extrusion ring 9 is fixedly connected to a moving plate 10, the upper surface of the bottom plate 1 is fixedly connected to a hydraulic cylinder 12 away from the moving plate 10, the output end of the hydraulic cylinder 12 is fixedly connected to a telescopic rod 11, the telescopic rod 11 is fixedly connected to the moving plate 10 away from the hydraulic cylinder 12, and the upper surface of the bottom plate 1 is fixedly connected to a wind force detection device 14 away from the hydraulic cylinder 12.

[0027] The inner surface of the extrusion ring 9 is away from the rubber ring 8 and fixedly connected to the third air outlet pipe 13. The inner surface of the extrusion ring 9 is provided with a second sealing ring 17. The second sealing ring 17 is in close contact with the outer cylindrical surface of the third air outlet pipe 13. The outer cylindrical surface of the second air outlet pipe 5 is away from the cloth 7 and is provided with a first sealing ring 16. The outer cylindrical surface of the second air outlet pipe 5 is away from the cloth 7 and fixedly connected to the first air outlet pipe 4. The first sealing ring 16 is in close contact with the four cylindrical surfaces of the first air outlet pipe.

[0028] The wind force detection device 14 includes a fixed plate 1401, a display 1402, a pressure sensor 1403, a fixed column 1404, a spring 1405, and a wind shield 1406. The upper surface of the base plate 1 is fixedly connected to the fixed plate 1401 away from the third air outlet pipe 13, the upper surface of the fixed plate 1401 is fixedly connected to the display 1402, the fixed plate 1401 is fixedly connected to the pressure sensor 1403 close to the third air outlet pipe 13, the pressure sensor 1403 is fixedly connected to the spring 1405 away from the fixed plate 1401, and the display 1402 calculates the gas flow rate in the third air outlet pipe 13 at this time by receiving data from the pressure sensor 1403 and displays it on the display 1402.

[0029] The fixing plate 1401 is fixedly connected to the fixing column 1404 close to the third air outlet pipe 13, and there are multiple fixing columns 1404. The spring 1405 is fixedly connected to the wind shield 1406 away from the pressure sensor 1403. The wind shield 1406 is penetrated by multiple fixing columns 1404. The wind shield 1406 can slide on the surface of the fixing columns 1404. The wind shield 1406 is inside the third air outlet pipe 13, and the material of the wind shield 1406 is a foam board.

[0030] The upper surface of the bottom plate 1 is fixedly connected to the hair dryer 3 away from the supporting base 6, the output end of the hair dryer 3 is fixedly connected to the first air outlet pipe 4, the hair dryer 3 is fixedly connected to the air inlet pipe 2 away from the first air outlet pipe 4, and the inside of the air inlet pipe 2 is fixedly connected to the filter plate 15.

[0031] Embodiment 2:

[0032] Reference Figure 6 The existing patent embodiment is a knitted fabric air permeability detection device, with application number 202010443782.1, which includes the knitted fabric on the unwinding roller 4 passing through the feed port 11 and the discharge port 12 and then reaching the winding roller 3, starting the fan 2, and the fan 2 produces an air flow blowing toward the knitted fabric. After the air flow passes through the knitted fabric, the sphere 52 is blown upward to observe the sphere 52. The higher the sphere 52 moves, the higher the air permeability of the knitted fabric under the sphere 52, and the lower the sphere 52 moves, the lower the air permeability of the knitted fabric under the sphere 52.

[0033] Conclusion: In the first embodiment, an extrusion ring 9 and a hydraulic cylinder 12 are provided, which can achieve the effect of pressing the fabric tightly at the blowing port and ensuring that the area of ​​the fabric blown by the wind does not change during the test. In the second embodiment, a sphere 52 and a test tube 51 are provided, which solves the technical problem of improving the accuracy of the air permeability detection of knitted fabrics, but does not achieve the technical effect achieved by the solution recorded in the first embodiment.

[0034] Working principle: When in use, spread the cloth 7 on the outlet of the second air outlet 5, then start the hydraulic cylinder 12 to drive the telescopic rod 11 to drive the movable plate 10 to move, so the extrusion ring 9 fixedly connected to the movable plate 10 moves accordingly until the rubber ring 8 at the front end of the extrusion ring 9 presses the cloth 7 tightly against the outlet of the second air outlet 5, and then start the hair dryer 3. During this process, the ventilation part of the cloth 7 will not be deformed. The airflow through the cloth 7 passes through the third air outlet 13 to blow the wind shield 1406. The wind shield 1406 is forced to squeeze the spring 1405 and slide on the surface of the fixed column 1404. The pressure sensor 1403 detects the pressure on the spring 1405 and transmits the data to the display 1402 to calculate the flow rate of the airflow through the cloth 7, and judge the air permeability of the cloth 7 accordingly.

[0035] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A device for detecting the air permeability of clothing fabrics, characterized in that: The invention comprises a bottom plate (1), the upper surface of the bottom plate (1) is fixedly connected to a support base (6), the upper surface of the support base (6) is fixedly connected to a second air outlet pipe (5), the side surface of the second air outlet pipe (5) is in contact with a cloth (7), the cloth (7) is away from the second air outlet pipe (5) and is in contact with a rubber ring (8), the rubber ring (8) is fixedly connected to an extrusion ring (9) away from the cloth (7), the lower end surface of the extrusion ring (9) is fixedly connected to a moving plate (10), the upper surface of the bottom plate (1) is fixedly connected to a hydraulic cylinder (12) away from the moving plate (10), the output end of the hydraulic cylinder (12) is fixedly connected to a telescopic rod (11), the telescopic rod (11) is fixedly connected to the moving plate (10) away from the hydraulic cylinder (12), and the upper surface of the bottom plate (1) is fixedly connected to a wind force detection device (14) away from the hydraulic cylinder (12).

2. A clothing fabric air permeability testing device according to claim 1, characterized in that: The inner surface of the extrusion ring (9) is fixedly connected to the third air outlet pipe (13) away from the rubber ring (8), and a second sealing ring (17) is provided on the inner surface of the extrusion ring (9). The second sealing ring (17) is in close contact with the outer cylindrical surface of the third air outlet pipe (13).

3. A clothing fabric air permeability testing device according to claim 1, characterized in that: A first sealing ring (16) is provided on the outer cylindrical surface of the second air outlet pipe (5) away from the fabric (7); the outer cylindrical surface of the second air outlet pipe (5) away from the fabric (7) is fixedly connected to the first air outlet pipe (4); and the first sealing ring (16) is in close contact with the inner cylindrical surface of the first air outlet pipe (4).

4. A clothing fabric air permeability testing device according to claim 1, characterized in that: The upper surface of the bottom plate (1) is fixedly connected to the hair dryer (3) away from the supporting base (6), and the output end of the hair dryer (3) is fixedly connected to the first air outlet pipe (4).

5. A clothing fabric air permeability testing device according to claim 4, characterized in that: The hair dryer (3) is fixedly connected to the air inlet pipe (2) away from the first air outlet pipe (4), and the air inlet pipe (2) is fixedly connected to the filter plate (15) inside.

6. A clothing fabric air permeability testing device according to claim 1, characterized in that: The wind force detection device (14) comprises a fixing plate (1401), a display (1402), a pressure sensor (1403), a fixing column (1404), a spring (1405), and a wind shield (1406); the upper surface of the base plate (1) is fixedly connected to the fixing plate (1401) away from the third air outlet pipe (13); and the upper surface of the fixing plate (1401) is fixedly connected to the display (1402).

7. A clothing fabric air permeability testing device according to claim 6, characterized in that: The fixing plate (1401) is fixedly connected to the pressure sensor (1403) close to the third air outlet pipe (13), and the pressure sensor (1403) is fixedly connected to the spring (1405) away from the fixing plate (1401).

8. A clothing fabric air permeability testing device according to claim 6, characterized in that: The fixing plate (1401) is fixedly connected to the fixing column (1404) close to the third air outlet pipe (13), and the fixing columns (1404) are multiple in number. The spring (1405) is fixedly connected to the wind shield (1406) away from the pressure sensor (1403), and the wind shield (1406) is penetrated by multiple fixing columns (1404). The wind shield (1406) can slide on the surface of the fixing column (1404), and the wind shield (1406) is inside the third air outlet pipe (13).

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