Knitted hat air permeability detection device

Abstract

The utility model discloses a knitted cap air permeability detection device, which comprises a working table, a driving assembly is arranged at the top of the working table, the driving assembly comprises a structural frame fixed at the top of the working table through a bolt, a screw rod is rotatably connected in the structural frame through a bearing, an internal thread sliding block is sleeved on the outer side of the screw rod, and the internal thread sliding block is sleeved on the outer side of the working table. An air outlet cylinder is mounted on one side of the internal thread sliding block through a mounting frame, a sealing cover is welded to the bottom of the air outlet cylinder, and an air outlet flow meter is connected to one side of the air outlet cylinder through a thread groove; an air outlet assembly is arranged at the top, located at one end of the structural frame, of the workbench and comprises an air outlet cover fixed to the top of the workbench through bolts. External air is pumped into the air outlet cover through the fan and blown to the knitted cap, the air inlet flow meter and the air outlet flow meter are used for detecting changes of air blown to the knitted cap and air blown from the knitted cap, and personnel can conveniently know and judge the air permeability of the knitted cap.

Description

Technical Field

[0001] The utility model relates to the technical field of knitted cap production, in particular to a knitted cap air permeability detection device. Background Art

[0002] Knitted hats are commonly used in cold weather and are suitable for people of all ages. The hats are made of wool and knitted. Knitted hats, knitted socks, knitted gloves, knitted scarves and other knitted products are tested for their breathability during production.

[0003] Authorization announcement No. CN218601122U discloses an air permeability detection device, comprising a fixed frame, wherein two grooves are provided in the fixed frame, wherein an electric push rod is fixedly connected to the inner wall of one of the grooves, and the other end of the electric push rod is fixedly connected to a connecting frame, a supporting frame is fixedly connected to the top of the connecting frame, a movable frame is fixedly connected to the top of the supporting frame, a piston plate is slidably connected to the inner wall of the movable frame, a piston rod is fixedly connected to the top of the piston plate, a slider is slidably connected to one side of the fixed frame through a sliding groove, and a connecting rod is fixedly connected to one side of the slider and both sides of the fixed frame. The air permeability detection device, by arranging an electric push rod, can drive the connecting frame to move up and down as the electric push rod is extended or shortened, thereby driving the supporting frame to move up and down, and further facilitating the placement of the fabric to be detected.

[0004] The existing air permeability testing device has the following shortcomings: the external air is transported into the air pipe through the fan and blown out through the air nozzle, and the fabric to be tested is blown and tested without a detection structure, and the changes of the gas blown to and from the fabric to be tested cannot be detected. Therefore, we propose a knitted cap air permeability testing device. Utility Model Content

[0005] The main purpose of the utility model is to provide a knitted hat air permeability detection device, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A knitted cap air permeability testing device, comprising a workbench, a driving assembly is arranged on the top of the workbench, the driving assembly comprises a structural frame fixed to the top of the workbench by bolts, a screw rod is rotatably connected to the inside of the structural frame by a bearing, an internal threaded slider is sleeved on the outer side of the screw rod, a gas outlet is installed on one side of the internal threaded slider through a mounting frame, a sealing cover is welded on the bottom of the gas outlet, and an air outlet flow meter is connected to one side of the gas outlet through a threaded groove;

[0008] The workbench is provided with an air outlet assembly at the top of one end of the structural frame, and the air outlet assembly includes an air outlet hood fixed to the top of the workbench by bolts; an air intake assembly is provided at one side of the workbench, and the air intake assembly includes an air intake box fixed to one side of the workbench by bolts, a fan is installed inside the air intake box through a mounting frame, and an air intake flow meter is installed at one end of the workbench located at the top of the air intake box through a mounting seat.

[0009] Furthermore, an auxiliary rod is fixed to the inside of the structural frame on one side of the screw rod by bolts, and the auxiliary rod passes through the internal threaded slider. The top of the screw rod located at the top of the structural frame is provided with a rocker through a flat key fixing sleeve; the setting of the rocker makes it convenient for people to rotate the screw rod.

[0010] Furthermore, a sealing ring is glued to the top of the air outlet hood, and air outlet holes are equidistantly opened at the top of the air outlet hood inside the sealing ring, and a protective net is fixed inside the air outlet holes by bolts; the sealing ring is sealed between the sealing cover pressed on the air outlet hood.

[0011] Furthermore, a dustproof net is fixed inside the air inlet box located on one side of the fan by bolts.

[0012] Furthermore, an air trough is opened inside the workbench, the top end of the air trough is connected to the air outlet hood, the other end of the air trough is connected to the air inlet box, the detection end of the air inlet flow meter is located inside the air trough, and the detection end of the air outlet flow meter is located inside the air outlet tube.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The fan draws external air into the air inlet box and transports it to the air outlet hood through the wind slot. The gas entering the air outlet hood is blown out through multiple air outlet holes and passes through the knitted cap on the air outlet hood. After passing through the knitted cap, the gas flows into the sealing cover and flows out through the air outlet tube. The air inlet flow meter can detect and display the flow of gas in the air slot, and the air outlet flow meter can detect and display the flow of gas in the air outlet tube. People can understand and judge the air permeability of the knitted cap by observing and comparing the gas flow values ​​displayed on the air inlet flow meter and the air outlet flow meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a knitted hat air permeability testing device.

[0016] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a workbench of a knitted cap air permeability testing device.

[0017] Figure 3 The utility model is a schematic diagram of the structure of an air outlet component of a knitted cap air permeability testing device.

[0018] Figure 4 The utility model is a schematic diagram of the structure of an air intake component of a knitted cap air permeability testing device.

[0019] Figure 5 The utility model is a schematic diagram of the structure of a driving component of a knitted cap air permeability testing device.

[0020] In the figure: 1. workbench; 2. air outlet assembly; 201. air outlet hood; 202. air outlet; 203. protective net; 204. sealing ring; 3. air intake assembly; 301. air intake box; 302. fan; 303. dust net; 4. drive assembly; 401. structural frame; 402. screw rod; 403. internal thread slider; 404. auxiliary rod; 405. rocker; 5. sealing hood; 6. air outlet; 7. air intake flow meter; 8. air outlet flow meter; 9. air trough. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-5 As shown, a knitted cap air permeability testing device comprises a workbench 1, a driving assembly 4 is arranged on the top of the workbench 1, the driving assembly 4 comprises a structural frame 401 fixed to the top of the workbench 1 by bolts, a screw rod 402 is rotatably connected to the inside of the structural frame 401 through a bearing, an internal threaded slider 403 is sleeved on the outer side of the screw rod 402, a gas outlet 6 is installed on one side of the internal threaded slider 403 through a mounting frame, a sealing cover 5 is welded on the bottom of the gas outlet 6, and an air outlet flow meter 8 is connected to one side of the gas outlet 6 through a threaded groove;

[0023] The workbench 1 is provided with an air outlet assembly 2 at the top of one end of the structural frame 401, and the air outlet assembly 2 includes an air outlet hood 201 fixed to the top of the workbench 1 by bolts. An air intake assembly 3 is provided at one side of the workbench 1, and the air intake assembly 3 includes an air intake box 301 fixed to one side of the workbench 1 by bolts, and a fan 302 is installed inside the air intake box 301 through a mounting frame. An air intake flow meter 7 is installed at one end of the workbench 1 located at the top of the air intake box 301 through a mounting seat.

[0024] Among them, Figure 5 As shown, the structure frame 401 is internally fixed with an auxiliary rod 404 by bolts on one side of the screw rod 402, and the auxiliary rod 404 passes through the internal thread slider 403. The screw rod 402 is located at the top of the structure frame 401 and is fixed with a rocker 405 through a flat key. The setting of the auxiliary rod 404 can prevent it from rotating with the screw rod 402 without affecting the up and down movement of the internal thread slider 403.

[0025] Among them, Figure 3 As shown, a sealing ring 204 is glued to the top of the air outlet hood 201, and air outlet holes 202 are equidistantly provided at the top of the air outlet hood 201 inside the sealing ring 204. A protective net 203 is fixed inside the air outlet holes 202 by bolts. The opening of the air outlet holes 202 facilitates the blowing out of the gas in the air outlet hood 201, and the setting of the protective net 203 can prevent impurities, hair, etc. from falling into the air outlet hood 201.

[0026] Among them, Figure 4 As shown, the air inlet box 301 located on one side of the fan 302 is fixed with a dustproof net 303 by bolts. The dustproof net 303 can prevent external dust, impurities, etc. from being drawn into the air inlet box 301 by the fan 302.

[0027] Among them, Figure 2 As shown, an air slot 9 is opened inside the workbench 1, the top end of the air slot 9 is connected to the air outlet hood 201, and the other end of the air slot 9 is connected to the air inlet box 301, the detection end of the air inlet flow meter 7 is located inside the air slot 9, and the detection end of the air outlet flow meter 8 is located inside the air outlet tube 6. The opening of the air slot 9 allows the gas in the air inlet box 301 to flow into the air outlet hood 201.

[0028] It should be noted that the utility model is a knitted cap air permeability testing device. When working, a person uses a power cord to connect the device to an external power supply, places the knitted cap to be tested on the air outlet hood 201, holds the shaking plate 405 to rotate the screw rod 402, and the screw rod 402 rotates to push the internal thread slider 403 downward, and the internal thread slider 403 moves downward to drive the air outlet tube 6 and the sealing cover 5 at the bottom thereof to move downward, so that the sealing cover 5 tightly presses the knitted cap on the air outlet hood 201, and turns on the fan 302 to draw external air to the air inlet box. 301, and is transported to the air outlet hood 201 through the wind slot 9. The gas entering the air outlet hood 201 is blown out through multiple air outlet holes 202 and blown toward the knitted hat. The gas passes through the knitted hat and flows into the sealing cover 5, and flows out through the air outlet tube 6. The air inlet flowmeter 7 can detect and display the flow of the gas in the wind slot 9, and the air outlet flowmeter 8 can detect and display the flow of the gas in the air outlet tube 6. People can understand and judge the air permeability of the knitted hat by observing and comparing the gas flow values ​​displayed on the air inlet flowmeter 7 and the air outlet flowmeter 8.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A knitted cap air permeability testing device, comprising a workbench (1), characterized in that: A driving assembly (4) is arranged on the top of the workbench (1), and the driving assembly (4) comprises a structural frame (401) fixed to the top of the workbench (1) by bolts, a screw rod (402) is rotatably connected inside the structural frame (401) via a bearing, an internally threaded slider (403) is sleeved on the outside of the screw rod (402), an air outlet (6) is mounted on one side of the internally threaded slider (403) via a mounting frame, a sealing cover (5) is welded on the bottom of the air outlet (6), and an air outlet flow meter (8) is connected to one side of the air outlet (6) via a threaded groove; The workbench (1) is provided with an air outlet assembly (2) at the top of one end of the structural frame (401), the air outlet assembly (2) comprising an air outlet cover (201) fixed to the top of the workbench (1) by bolts, an air intake assembly (3) is provided at one side of the workbench (1), the air intake assembly (3) comprising an air intake box (301) fixed to one side of the workbench (1) by bolts, a fan (302) is installed inside the air intake box (301) via a mounting frame, and an air intake flow meter (7) is installed at one end of the workbench (1) located at the top of the air intake box (301) via a mounting seat.

2. A knitted cap air permeability testing device according to claim 1, characterized in that: An auxiliary rod (404) is fixed inside the structural frame (401) on one side of the screw rod (402) by means of bolts. The auxiliary rod (404) passes through the internal threaded slider (403). A rocker (405) is fixed at the top of the screw rod (402) located at the top of the structural frame (401) by means of a flat key fixing sleeve.

3. A knitted cap air permeability testing device according to claim 1, characterized in that: A sealing ring (204) is glued to the top of the air outlet cover (201), and air outlet holes (202) are equidistantly provided at the top of the air outlet cover (201) inside the sealing ring (204), and a protective net (203) is fixed inside the air outlet hole (202) by means of bolts.

4. The device for detecting air permeability of a knitted cap according to claim 1, characterized in that: The air inlet box (301) is located on one side of the fan (302) and is internally fixed with a dustproof net (303) by means of bolts.

5. The device for detecting air permeability of a knitted cap according to claim 1, characterized in that: An air slot (9) is provided inside the workbench (1), the top end of the air slot (9) is connected to the air outlet cover (201), the other end of the air slot (9) is connected to the air inlet box (301), the detection end of the air inlet flow meter (7) is located inside the air slot (9), and the detection end of the air outlet flow meter (8) is located inside the air outlet cylinder (6).

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