Fabric water permeability testing device

Abstract

The utility model relates to the technical field of textile detection, and discloses a fabric water permeability testing device which comprises a rack, the rack comprises a testing platform, a lower clamping table is fixed in the middle of the testing platform, and an upper clamping table assembly is arranged above the lower clamping table; the upper clamping table assembly comprises a screw connected to the upper portion of the rack in a screwed mode, and a stop block is fixed to the lower extending end, penetrating through the pressing disc, of the screw. A thrust bearing is clamped between a shaft shoulder, positioned above the pressure plate, of the screw rod and the pressure plate; a pressing ring is fixed to the pressing disc through a plurality of supporting rods, and the pressing ring and the lower clamping table are coaxially arranged. A water inlet hole is formed in the lower clamping table, and a pressure sensor is arranged in the water inlet hole; and a transparent water retaining cover is arranged on the pressing ring. The device solves the problem that a fabric of an existing testing device is easily brought to be not tightly pressed and leaks water. And meanwhile, the problems of fabric cracking and water splashing are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to textile detection technical field, especially a kind of fabric water permeability testing device. BACKGROUND

[0002] Fabric water permeability tester is a kind of supporting equipment for fabric water permeability detection operation, for determining the water permeability of various fabrics.The existing water permeability testing equipment is broken when reaching certain water pressure in the test process, and fabric is easily driven when upper chuck moves down with screw rod, causing wrinkles, thereby causing leakage phenomenon. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of fabric water permeability testing device, solve the problem that fabric is easily brought to the leakage of the existing test device not tight;Also solve the problem of fabric burst water splashing.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A kind of fabric water permeability testing device, including rack, the rack includes test platform, the middle part of test platform is fixed with lower chuck table, upper chuck table assembly is equipped above lower chuck table;

[0006] The upper chuck table assembly includes screw rod in the upper part of rack, the lower protruding end of pressure disc is fixed with stop block by screw rod;The shaft shoulder between screw rod and pressure disc above pressure disc is clamped with thrust bearing;

[0007] The pressure disc is fixed with pressure ring by multiple support rods, and pressure ring is coaxially arranged with lower chuck table;

[0008] Water inlet hole is equipped on the lower chuck table, and pressure sensor is arranged in water inlet hole;Pressure sensor is electrically connected with controller, and controller is electrically connected with display screen;

[0009] The pressure ring is equipped with water retaining cover arranged transparently.

[0010] During test, fabric 90 is laid on lower chuck table, then screw rod is rotated, screw rod drives pressure disc to move down, pressure disc drives pressure ring to move down by support rod, and outer edge of fabric is pressed by pressure ring;Relative rotation between screw rod and pressure disc can be generated by thrust bearing, so that fabric is not driven after pressure ring contacts fabric, thereby guaranteeing compaction effect;

[0011] Then water inlet hole starts to fill water, and water is inflated upwards to fabric, and after water pressure is added to certain pressure, for example, 200kPa, pressure is maintained for a period of time, whether fabric is burst or not or water amount of fabric is observed.If burst occurs, water can be retained by water retaining cover, thereby preventing water splashing.

[0012] The pressure sensor can detect the water pressure, and the water pressure can be displayed through the display screen.

[0013] The utility model further sets up: the lower clamp base is formed with the water inlet channel that communicates with the water inlet hole on,

[0014] The water inlet channel is connected with the water inlet and outlet pipe, the other end of the water inlet and outlet pipe is connected with the electromagnetic valve, the electromagnetic valve is also connected with the water inlet pipe and the backwater pipe, the water inlet pipe is connected with the hydraulic pump, the hydraulic pump is placed in the water tank, the backwater pipe extends into the water tank, and the electromagnetic valve is electrically connected with the controller.

[0015] The water in the water tank is entered into the water inlet hole through the water inlet pipe, the electromagnetic valve and the water inlet and outlet pipe by the hydraulic pump, so that the fabric is inflated;

[0016] When the test is completed, the electromagnetic valve is switched, the water inlet and outlet pipe is communicated with the backwater pipe, and the water at the lower part of the fabric is returned to the water tank through the backwater pipe.

[0017] The utility model further sets up: the outer edge of the test platform is formed with the water retaining edge,

[0018] The test platform is formed with the water inlet hole that communicates with the water tank.

[0019] The water retaining edge can prevent the water on the test platform from overflowing, and the water on the test platform can be returned to the water tank through the water inlet hole.

[0020] The utility model further sets up: the water retaining cover includes the outer shell body, the inner shell body and the bottom plate that connects the bottom of the outer shell body and the bottom of the inner shell body,

[0021] The outer shell body is formed with a plurality of semicircular arc parts, and the semicircular arc parts are inserted on the corresponding supporting rods.

[0022] The outer shell body is higher than the inner shell body.

[0023] Through the above technical scheme, the water retaining cover can retain and collect the splashing water when the fabric is burst, and the water can be collected in the upper opening cavity formed by the outer shell body, the inner shell body and the bottom plate.

[0024] The utility model further sets up: the inner shell body is provided with the outward and upward inclined taper part, and the splashing water can be guided through the taper part, so that the water can be guided to the inner wall of the outer shell body and flows down along the inner wall of the outer shell body.

[0025] The utility model further sets up: the bottom plate is formed with the water outlet hole, and the water in the water retaining cover can automatically flow out slowly through the water outlet hole.

[0026] The utility model further sets up: the first sealing gasket is sleeved on the upper end face of the lower clamp base,

[0027] The lower end surface of the compression ring is sleeved with a second sealing gasket.

[0028] When the fabric is compressed, the fabric is clamped between the first sealing gasket and the second sealing gasket, so that the compaction effect is better, and the water leakage phenomenon is prevented.

[0029] The prominent effect of the utility model is:

[0030] Compared with the prior art, the water splash caused by the fabric explosion during the test can be prevented by the water baffle, and the splashed water can also be collected, so that the neatness of the environment around the testing device is ensured.

[0031] By arranging the thrust bearing between the screw rod and the compression disc, indirect relative rotation is generated between the screw rod and the compression ring, the fabric is not driven, and the compaction effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a structural schematic view of the utility model embodiment;

[0033] Figure 2 It is Figure 1 It is a partial enlarged view of A;

[0034] Figure 3 It is a partial schematic view of the upper clamp table assembly of the utility model embodiment;

[0035] Figure 4 It is a structural schematic view of the water baffle of the utility model embodiment.

[0036] MARK: 10, rack;

[0037] 101, test platform; 102, water baffle; 103, water hole;

[0038] 20, lower clamp table; 21, pressure sensor; 22, first sealing gasket;

[0039] 201, water inlet hole; 202, water inlet channel;

[0040] 30, upper clamp table assembly;

[0041] 301, screw rod; 302, compression disc; 303, stop block; 304, support rod; 305, compression ring; 306, second sealing gasket; 307, thrust bearing;

[0042] 40, water inlet and outlet pipe; 41, electromagnetic valve; 42, water inlet pipe; 43, water return pipe; 44, hydraulic pump; 45, water tank;

[0043] 50, water baffle;

[0044] 501, outer shell; 502, inner shell; 503, bottom plate; 504, semicircular arc part; 505, taper part; 506, water outlet hole;

[0045] 90, fabric. DETAILED DESCRIPTION

[0046] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0047] The following references Figures 1 to 4 The embodiments of the present application are described as follows:

[0048] A fabric water permeability testing device, as shown in Figure 1 Fig. 1, comprises a rack 10, the rack 10 comprising a test platform 101, a lower clamping table 20 being fixed at the middle part of the test platform 101, and an upper clamping table assembly 30 being arranged above the lower clamping table 20.

[0049] The upper clamping table assembly 30 comprises a screw rod 301 screwed on the upper part of the rack 10, a stop block 303 being fixed on the lower extending end of a pressure plate 302 through the screw rod 301, and a thrust bearing 307 being clamped between the shaft shoulder of the screw rod 301 above the pressure plate 302 and the pressure plate 302.

[0050] The pressure plate 302 is fixed with a pressure ring 305 through a plurality of supporting rods 304, and the pressure ring 305 is coaxially arranged with the lower clamping table 20.

[0051] The lower clamping table 20 is provided with a water inlet hole 201, and a pressure sensor 21 is arranged in the water inlet hole 201; the pressure sensor is electrically connected with a controller, and the controller is electrically connected with a display screen.

[0052] The pressure ring 305 is provided with a water blocking cover 50 arranged in a transparent manner.

[0053] During the test, the fabric 90 is laid flat on the lower clamping table, and then the screw rod is rotated to drive the pressure plate to move downward, the pressure plate drives the pressure ring to move downward through the supporting rods, and the pressure ring presses the outer edge of the fabric; the relative rotation between the screw rod and the pressure plate can be realized through the thrust bearing, so that the fabric will not be driven after the pressure ring contacts the fabric, thereby ensuring the compaction effect.

[0054] Then the water inlet hole starts to supply water, the water will inflate the fabric upward, and after the water pressure is increased to a certain pressure, for example, 200kPa, the pressure is maintained for a period of time, and the water permeation amount of the fabric or whether the fabric is cracked is observed. If the fabric is cracked, the water can be blocked by the water blocking cover, thereby preventing the water from splashing out.

[0055] The pressure sensor can detect the size of the water pressure, and the size of the water pressure can be displayed on the display screen.

[0056] As Figure 2 shown, the lower clamp base 201 of the embodiment is formed with a water inlet channel 202 communicating with the water inlet hole 201;

[0057] The water inlet channel 202 is connected with a water inlet and outlet pipe 40, the other end of the water inlet and outlet pipe 40 is connected with a solenoid valve 41, the solenoid valve 41 is further connected with a water inlet pipe 42 and a backwater pipe 43, the water inlet pipe 42 is connected with a hydraulic pump 44, the hydraulic pump 44 is placed in a water tank 45, the backwater pipe 43 extends into the water tank 45, and the solenoid valve is electrically connected with a controller.

[0058] The water in the water tank is pumped by the hydraulic pump to enter the water inlet hole through the water inlet pipe, the solenoid valve and the water inlet and outlet pipe, so as to inflate the fabric;

[0059] When the test is completed, the solenoid valve is switched to make the water inlet and outlet pipe communicate with the backwater pipe, and the water at the lower part of the fabric flows back to the water tank through the backwater pipe.

[0060] As Figure 1 shown, the outer edge of the test platform 101 of the embodiment is formed with a water retaining edge 102;

[0061] The test platform 101 is formed with a water falling hole 103 communicating with the water tank 45.

[0062] The water on the test platform can be prevented from overflowing through the water retaining edge, and the water on the test platform can flow back to the water tank through the water falling hole.

[0063] As Figure 2 , Figure 3 , Figure 4 shown, the water retaining cover 50 of the embodiment includes an outer shell 501, an inner shell 502 and a bottom plate 503 connecting the bottom of the outer shell 501 and the bottom of the inner shell 502;

[0064] The outer shell 501 is formed with a plurality of semicircular arc portions 504, and the semicircular arc portions 504 are inserted on the corresponding supporting rods 304;

[0065] The outer shell 501 is higher than the inner shell 502.

[0066] The water splashed when the fabric is burst can be retained and collected by the water retaining cover, and the water can be collected in the upper open cavity surrounded by the outer shell, the inner shell and the bottom plate.

[0067] The inner shell 502 is provided with a tapered portion 505 inclined outward and upward. The splashed water can be guided by the tapered portion to flow to the inner wall of the outer shell and flow downward along the inner wall of the outer shell.

[0068] The bottom plate 503 is formed with a water outlet hole 506, and the water in the water retaining cover can automatically and slowly flow out through the water outlet hole.

[0069] As Figure 2 The upper end surface of the lower clamp base 20 is sleeved with a first sealing gasket 22;

[0070] The lower end surface of the pressing ring 305 is sleeved with a second sealing gasket 306.

[0071] When the fabric is pressed, the fabric is clamped between the first sealing gasket and the second sealing gasket, so that the compaction effect is better, and the water leakage phenomenon is prevented.

[0072] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the technical field, without departing from the technical principles of the present application, can make a number of improvements and variations, the above assumptions of these improvements and variations should also be considered as the protection scope of the present application.

Claims

1. A fabric permeability testing device, comprising a frame (10), characterized in that: The frame (10) includes a test platform (101), a lower clamp (20) is fixed in the middle of the test platform (101), and an upper clamp assembly (30) is provided above the lower clamp (20). The upper clamping assembly (30) includes a screw (301) screwed to the upper part of the frame (10), and a stop (303) is fixed to the lower protruding end of the screw (301) through the pressure plate (302); a thrust bearing (307) is clamped between the shoulder of the screw (301) above the pressure plate (302) and the pressure plate (302). The pressure plate (302) is fixed with a pressure ring (305) by multiple support rods (304), and the pressure ring (305) is coaxially arranged with the lower clamping platform (20); The lower clamping platform (20) is provided with a water inlet (201), and a pressure sensor (21) is provided inside the water inlet (201). The pressure ring (305) is provided with a transparent water-blocking cover (50).

2. The fabric permeability testing device according to claim 1, characterized in that: The lower clamping platform (20) is formed with a water inlet channel (202) that communicates with the water inlet hole (201). The water inlet channel (202) is connected to the water inlet and outlet pipes (40). The other end of the water inlet and outlet pipes (40) is connected to the solenoid valve (41). The solenoid valve (41) is also connected to the water inlet pipe (42) and the water return pipe (43). The water inlet pipe (42) is connected to the hydraulic pump (44). The hydraulic pump (44) is placed in the water tank (45). The water return pipe (43) extends into the water tank (45).

3. The fabric water permeability testing device according to claim 2, characterized in that: The outer edge of the test platform (101) is formed with a water-blocking edge (102); The test platform (101) has a drainage hole (103) that communicates with the water tank (45).

4. The fabric permeability testing device according to claim 1, characterized in that: The water shield (50) includes an outer shell (501), an inner shell (502), and a base plate (503) connecting the bottom of the outer shell (501) and the bottom of the inner shell (502). The outer shell (501) has a plurality of semi-circular arc portions (504) formed thereon, and the semi-circular arc portions (504) are inserted into the corresponding support rods (304); The outer shell (501) is positioned higher than the inner shell (502).

5. The fabric permeability testing device according to claim 4, characterized in that: The inner shell (502) is provided with an outwardly and upwardly inclined cone (505).

6. The fabric permeability testing device according to claim 4, characterized in that: The base plate (503) has water outlet holes (506) formed on it.

7. The fabric water permeability testing device according to claim 1, characterized in that: The upper end face of the lower clamping platform (20) is fitted with a first sealing gasket (22). A second sealing gasket (306) is fitted onto the lower end face of the pressure ring (305).

Images