Footwear thermal resistance and moisture resistance tester

Abstract

The utility model relates to the field of footwear detection, in particular to a thermal resistance and moisture resistance tester for footwear. A shoe thermal resistance and moisture resistance tester comprises a foot mold, a water supply mechanism and an environment temperature and humidity sensor. The foot mold comprises a front mold and a rear mold which are adjustable in distance; the water supply mechanism is used for conveying constant-temperature water to the foot mold; the environment temperature and humidity sensor is used for detecting the temperature and humidity of the environment. The shoe thermal resistance and humidity resistance tester is placed in a climate chamber or a constant-temperature and constant-humidity box, and the environment temperature and humidity are detected through the environment temperature and humidity sensor to judge whether the environment temperature and humidity meet test requirements or not. During use, the distance between the front mold and the rear mold is adjusted to a proper position according to the size of a tested shoe, a shoe sample is put on after the shoe is sleeved with a skin sock simulating skin, then constant-temperature water is conveyed to the foot mold through the water supply mechanism to simulate the sweating state of the foot, and finally the thermal resistance and the moisture resistance of the shoe are obtained through calculation.

Description

Technical Field

[0001] This application relates to the field of footwear testing, and particularly to a footwear thermal and moisture resistance tester. Background Art

[0002] Currently, for footwear thermal and moisture resistance testing, the footwear to be tested is put on a simulated foot mold. Then, the foot mold simulates the temperature and humidity states when a human foot sweats. An electric heating element is installed on the inner surface of the foot mold, and a temperature sensor is installed on the outer surface to monitor the surface temperature in real time. Water outlet holes are installed on the foot mold and connected to capillary water pipes to simulate the continuous sweating state of a human foot.

[0003] The thermal and moisture resistance performance of shoes is not only related to the structural design, lining material, and fabric material of the shoes, but also related to the size design of the shoes. For shoes of the same model but different sizes, there will also be certain differences in thermal and moisture resistance performance. The foot mold of the existing footwear thermal and moisture resistance tester has a fixed size and cannot meet the test requirements for shoes of different sizes. Utility Model Content

[0004] In order to achieve the testing of shoes of different sizes, this application provides a footwear thermal and moisture resistance tester.

[0005] A footwear thermal and moisture resistance tester provided by this application adopts the following technical solutions:

[0006] A footwear thermal and moisture resistance tester includes a foot mold, a water supply mechanism, and an environmental temperature and humidity sensor;

[0007] The foot mold includes a front mold and a rear mold with adjustable spacing;

[0008] The water supply mechanism is used to convey constant-temperature water to the foot mold to simulate sweat;

[0009] The environmental temperature and humidity sensor is used to detect the temperature and humidity of the environment.

[0010] By adopting the above technical solutions, the footwear thermal and moisture resistance tester is placed in a climate chamber or a constant temperature and humidity box, and the environmental temperature and humidity are detected by the environmental temperature and humidity sensor to determine whether the test requirements are met. During use, the spacing between the front mold and the rear mold is adjusted to an appropriate position, and after putting on a skin sock simulating the skin and then putting on the shoe sample, the water supply mechanism conveys constant-temperature water to the foot mold to simulate the state of foot sweating, and finally the thermal and moisture resistance of the shoe is calculated.

[0011] Preferably, the front mold and the rear mold are slidably connected in the front-rear direction. An adjustment motor and an adjustment screw driven by the adjustment motor are provided on the front mold / rear mold, and a connecting member threadedly engaged with the adjustment screw is provided on the rear mold / front mold.

[0012] By adopting the above technical solution, by adjusting the motor to drive the adjusting screw to rotate, since the front mold and the rear mold can only slide in the front-rear direction, the front mold and the rear mold will not rotate relative to each other. Instead, the relative rotation of the adjusting screw and the connecting member realizes the change in the relative distance between the front mold and the rear mold, and adjusts and controls the size of the foot mold.

[0013] Preferably, the connecting member is an adjusting nut.

[0014] Preferably, a guiding seat is fixedly installed inside the front mold, a guiding sleeve with a horizontal axis is fixed inside the guiding seat, a partition is installed on the front side of the rear mold, and a guiding post is fixed at a position on the partition opposite to the guiding sleeve. The guiding post is inserted into the guiding sleeve and is in clearance fit with the guiding sleeve.

[0015] By adopting the above technical solution, the relative movement freedom of the front mold and the rear mold is limited by the arrangement of the guiding sleeve and the guiding post. Coupled with the threaded fit of the adjusting screw and the connecting member, the front mold and the rear mold can only slide in the front-rear direction. The guiding sleeve can be replaced when worn to control the fitting accuracy between the front mold and the rear mold.

[0016] Preferably, a position sensor for judging the relative position of the front mold and the rear mold is installed on the front mold.

[0017] By adopting the above technical solution, the relative position of the front mold and the rear mold is judged by the position sensor, so as to control and adjust the distance between the front mold and the rear mold.

[0018] Preferably, the position sensor is a detection switch, and a detection bent plate is installed on the rear mold at a position corresponding to the position sensor. When the detection bent plate approaches and triggers the detection switch, the adjusting motor stops running.

[0019] By adopting the above technical solution, when the front mold and the rear mold move towards each other, when the detection bent plate approaches and triggers the detection switch, the adjusting motor stops running, avoiding the adjusting motor from burning out under no-load when the front mold and the rear mold cannot move towards each other.

[0020] Preferably, the water supply mechanism includes a heating water tank, a main pipeline with both ends connected to the heating water tank, a circulating water pump installed on the main pipeline, a plurality of water delivery pipes with one end connected to the main pipeline, and a water delivery pump installed on each water delivery pipe. A plurality of sweat nozzles are provided on the foot mold, and the sweat nozzles are connected to the water delivery pipes through water nozzle connecting pipes.

[0021] By adopting the above technical solution, the heating water tank controls the water temperature inside to 34 degrees Celsius, and then the circulating water pump transports the water in the heating water tank to the main pipeline. Since it is circulating pumping, the water in the main pipeline will also be maintained at 34 degrees Celsius. Then, the water delivery pump extracts the water on the main pipeline and transports it to the foot mold through the water delivery pipes to simulate the temperature and humidity state when the feet sweat.

[0022] Preferably, it further includes a frame. A nozzle plate is fixed to the top of the front mold / rear mold. The nozzle connecting pipe passes through the nozzle plate. A fixing frame is fixed to the nozzle plate. The lower side of one end of the fixing frame is fixedly connected to the nozzle plate. The other end of the fixing frame extends and is bent at 90° to form a mounting portion. Bolts pass through the mounting portion to fix the foot mold on the frame.

[0023] By adopting the above technical solution, the foot mold is installed on the frame through the fixing frame. Since the fixing frame is connected to the nozzle plate, when the relative positions of the front mold and the rear mold are adjusted, the position where the nozzle connecting pipe passes through the nozzle plate will not change. The position of the nozzle connecting pipe will not change significantly during the adjustment of the front mold and the rear mold, avoiding the bending of the pipeline and affecting the water supply.

[0024] Preferably, there are nine sweating nozzles, which are respectively located in the anterior calf region, posterior calf region, anterior ankle region, posterior ankle region, upper arch region, lower arch region, upper toe region, lower toe region and heel region.

[0025] By adopting the above technical solution, the simulated sweating areas cover the foot mold as much as possible to simulate a more realistic sweating state.

[0026] Preferably, a water receiving tray is provided at a position on the frame below the foot mold.

[0027] By adopting the above technical solution, the water receiving tray is used to receive the water dripping from the foot mold.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. Place the footwear thermal and moisture resistance tester in a climatic chamber or a constant temperature and humidity chamber, and detect the environmental temperature and humidity through the environmental temperature and humidity sensor to determine whether the test requirements are met. During use, adjust the distance between the front mold and the rear mold to an appropriate position, put on the skin socks simulating the skin and then put on the shoe sample, and then use the water supply mechanism to supply constant temperature water to the foot mold to simulate the state of foot sweating, and finally calculate the thermal and moisture resistance of the shoe.

[0030] 2. The heating water tank controls the water temperature inside at 34 degrees Celsius, and then uses the circulating water pump to transport the water in the heating water tank to the main pipeline. Since it is circulating pumping, the water in the main pipeline will also be maintained at 34 degrees Celsius. Then, the water on the main pipeline is pumped by the water delivery pump and transported to the foot mold through the water delivery pipe to simulate the temperature and humidity state when the foot sweats. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is the front view of the embodiment;

[0032] Figure 2 is Figure 1Schematic cross-sectional view in the A-A direction;

[0033] Figure 3 It is the rear view of the embodiment;

[0034] Figure 4 It is the schematic cross-sectional view of the foot mold in the embodiment.

[0035] Explanation of reference numerals: 1, frame; 2, water receiving tray; 3, foot mold; 4, water supply mechanism; 5, environmental temperature and humidity sensor; 6, heating water tank; 7, main pipeline; 8, circulation water pump; 9, water delivery pipe; 10, water delivery pump; 11, front mold; 12, rear mold; 13, nozzle plate; 14, fixing bracket; 15, installation part; 16, nozzle connecting pipe; 17, sweating nozzle; 18, guide seat; 19, guide sleeve; 20, partition board; 21, guide post; 22, motor mounting plate; 23, adjusting motor; 24, adjusting screw; 25, adjusting nut; 26, position sensor; 27, detection bending plate. Detailed implementation manners

[0036] The following further elaborates on this application Figures 1-4 in conjunction with the attached drawings.

[0037] An embodiment of this application discloses a footwear thermal and moisture resistance tester. The "up", "down", "left", and "right" used in the embodiment are all schematic relative directions for describing positional relationships and are not limitations on positional relationships.

[0038] As Figure 1 and Figure 2 shown, the footwear thermal and moisture resistance tester includes a frame 1, a water receiving tray 2 located on the frame 1, a foot mold 3, a water supply mechanism 4 for supplying water to the foot mold 3, and an environmental temperature and humidity sensor 5 for detecting the environmental temperature and humidity. The water receiving tray 2 is located below the foot mold 3

[0039] As Figure 2 and Figure 3 shown, the water supply mechanism 4 includes a heating water tank 6, a main pipeline 7 with both ends connected to the heating water tank 6, a circulation water pump 8 installed on the main pipeline 7, nine water delivery pipes 9 with one end connected to the main pipeline 7, and a water delivery pump 10 installed on each water delivery pipe 9 (some water delivery pipes are not shown in the figure). The water delivery pump 10 is a micro electromagnetic pump. During use, the heating water tank 6 controls the water temperature inside to 34 degrees Celsius, and then the water in the heating water tank 6 is transported to the main pipeline 7 through the circulation water pump 8. Since it is circulating pumping, the water in the main pipeline 7 will also be maintained at 34 degrees Celsius. Then, the water on the main pipeline 7 is pumped through the water delivery pump 10 and transported to the foot mold 3 through the water delivery pipe 9.

[0040] As Figure 4As shown in the figure, the foot mold 3 includes a front mold 11 and a rear mold 12. A nozzle plate 13 is fixed to the top of the front mold 11. A fixing frame 14 is fixed to the nozzle plate 13. The lower side of one end of the fixing frame 14 is fixedly connected to the nozzle plate 13, and the other end extends and is bent at 90° to form a mounting portion 15. A bolt passes through the mounting portion 15 to fix the foot mold 3 to the machine frame 1. Nine nozzle connecting pipes 16 are installed on the nozzle plate 13. The upper end of each nozzle connecting pipe 16 is connected to a water delivery pipe 9. The other end of the nozzle connecting pipe 16 is connected to nine sweating nozzles 17 on the foot mold 3 one by one (the part of the nozzle connecting pipe 16 located inside the foot mold 3 is not shown). The nine sweating nozzles 17 are respectively arranged in the front calf area, the rear calf area, the front ankle area, the rear ankle area, the upper arch area, the lower arch area, the upper toe area, the lower toe area and the heel area. In addition to the sweating nozzles 17 in each area, heating wires and temperature sensors are also provided.

[0041] As Figure 4 shown in the figure, a guide seat 18 is fixedly installed inside the front mold 11, and a guide sleeve 19 with a horizontal axis is fixed inside the guide seat 18. A partition 20 is installed at a position near the front side inside the rear mold 12. A guide post 21 is fixed at a position on the partition 20 opposite to the guide sleeve 19. The guide post 21 is inserted into the guide sleeve 19 and is in clearance fit with the guide sleeve 19, so that the front mold 11 and the rear mold 12 can slide in the front-rear direction. A guide sleeve 19 with a hardness less than that of the guide post 21 can be selected.

[0042] As Figure 4 shown in the figure, a motor mounting plate 22 is installed at a position below the guide seat 18 inside the front mold 11. An adjusting motor 23 is installed on the motor mounting plate 22. The output shaft of the adjusting motor 23 faces the rear mold 12, and an adjusting screw rod 24 is fixedly installed on the output shaft of the adjusting motor 23. An adjusting nut 25 is embedded in the partition 20 of the rear mold 12, and the adjusting screw rod 24 is inserted into the adjusting nut 25 and is in threaded fit with the adjusting nut 25. The length of the part of the adjusting screw rod 24 cooperating with the adjusting nut 25 is less than the length of the part of the guide post 21 inserted into the guide sleeve 19. By driving the adjusting screw rod 24 to rotate with the motor, since the front mold 11 and the rear mold 12 can only move relative to each other in the front-rear direction, the adjusting screw rod 24 rotates relative to the adjusting nut 25, causing the distance between the front mold 11 and the rear mold 12 to change, realizing the adjustment of the size of the foot mold 3.

[0043] As Figure 4 shown in the figure, a position sensor 26 for judging the relative position of the front mold 11 and the rear mold 12 is installed at a position near the lower part inside the front mold 11. The position sensor 26 can be a detection switch, a proximity switch, a displacement sensor, etc. When the position sensor 26 is a detection switch, a detection bent plate 27 is installed at a position on the rear mold 12 corresponding to the detection switch. When the front mold 11 and the rear mold 12 move towards each other, when the detection bent plate 27 approaches and triggers the detection switch, the adjusting motor 23 stops running.

[0044] Specific usage process:

[0045] Place the footwear thermal and moisture resistance tester in a climate chamber or a constant temperature and humidity chamber. Detect the ambient temperature and humidity through the ambient temperature and humidity sensor 5 to determine whether the test requirements are met.

[0046] During use, adjust the distance between the front mold 11 and the rear mold 12 according to the size of the shoe sample to form a foot mold 3 with a suitable size. Then put on the shoe sample after putting on the skin sock (made of moisture-absorbing and quick-drying fabric) that simulates the skin on the foot mold 3. The water at 34 °C is transported outward through the nine sweating nozzles 17 at different positions by the water supply mechanism 4 and infiltrated through the sock to simulate the state of human foot sweating. The heating wires in the nine areas work to heat, so that the temperature measured by the temperature sensor in each corresponding area is maintained at 35 ± 0.5 °C. Calculate the thermal and moisture resistance of the shoe based on the surface area of the foot mold, the measured temperature, the heating power, and the ambient temperature and humidity.

[0047] The above are all preferred embodiments of this application. The protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A footwear thermal and moisture resistance tester, characterized in that, It includes a foot mold (3), a water supply mechanism (4), and an environmental temperature and humidity sensor (5); The foot mold (3) includes a front mold (11) and a rear mold (12) with adjustable spacing; The water supply mechanism (4) is used to convey constant-temperature water to simulate sweat for the foot mold (3); The environmental temperature and humidity sensor (5) is used to detect the temperature and humidity of the environment.

2. The footwear thermal and moisture resistance tester according to claim 1, characterized in that, The front mold (11) and the rear mold (12) are slidably connected in the front-rear direction. An adjusting motor (23) and an adjusting screw rod (24) driven by the adjusting motor (23) to rotate are provided on the front mold (11) / rear mold (12), and a connecting member threadedly engaged with the adjusting screw rod (24) is provided on the rear mold (12) / front mold (11).

3. The footwear thermal and moisture resistance tester according to claim 2, characterized in that, The connecting member is an adjusting nut (25).

4. The footwear thermal and moisture resistance tester according to claim 2, characterized in that, A guiding seat (18) is fixedly installed inside the front mold (11). A guiding sleeve (19) with an axis along the horizontal direction is fixed inside the guiding seat (18). A partition plate (20) is installed on the front side of the rear mold (12). A guiding post (21) is fixed at a position on the partition plate (20) opposite to the guiding sleeve (19). The guiding post (21) is inserted into the guiding sleeve (19) and is in clearance fit with the guiding sleeve (19).

5. The footwear thermal and moisture resistance tester according to claim 2, characterized in that, A position sensor (26) for judging the relative position of the front mold (11) and the rear mold (12) is installed on the front mold (11).

6. The footwear thermal and moisture resistance tester according to claim 5, characterized in that The position sensor (26) is a detection switch. A detection bent plate (27) is installed at a position on the rear mold (12) corresponding to the position sensor (26). When the detection bent plate (27) approaches and triggers the detection switch, the adjusting motor (23) stops running.

7. The footwear thermal and moisture resistance tester according to claim 1, characterized in that, The water supply mechanism (4) includes a heating water tank (6), a main pipeline (7) with both ends connected to the heating water tank (6), a circulation water pump (8) installed on the main pipeline (7), multiple water delivery pipes (9) with one end connected to the main pipeline (7), and a water delivery pump (10) installed on each water delivery pipe (9). A plurality of sweat nozzles (17) are provided on the foot mold (3). The sweat nozzles (17) are connected to the water delivery pipes (9) through water nozzle connecting pipes (16).

8. The footwear thermal and moisture resistance tester according to claim 7, characterized in that, It further includes a frame (1). A water nozzle plate (13) is fixedly installed on the top of the front mold (11) / rear mold (12). The water nozzle connecting pipe (16) passes through the water nozzle plate (13). A fixing frame (14) is fixed on the water nozzle plate (13). One end of the fixing frame (14) is fixedly connected to the water nozzle plate (13) at the lower side, and the other end of the fixing frame (14) extends and is bent at 90° to form an installation part (15). The foot mold (3) is fixed on the frame (1) by bolts passing through the installation part (15).

9. The footwear thermal and moisture resistance tester according to claim 8, characterized in that, Nine sweat nozzles (17) are provided, which are respectively located in the anterior calf region, posterior calf region, anterior ankle region, posterior ankle region, upper arch region, lower arch region, upper toe region, lower toe region, and heel region.

10. The footwear thermal and moisture resistance tester according to claim 8, characterized in that, A water receiving tray (2) is provided at a position on the frame (1) below the foot mold (3).

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