Waterproof testing device for rubber sheath

Abstract

The utility model relates to the technical field of sheaths, and provides a rubber sheath waterproof test device, which comprises a detection table, a cylinder and a mounting plate, the detection table is provided with an up-and-down through hole, the cylinder is fixed on the upper surface of the detection table and covers the through hole, and the mounting plate is hermetically attached to the lower surface of the detection table. The device further comprises a pressing assembly used for pressing the mounting plate, the pressing assembly comprises at least two pressing rods arranged at intervals and a plurality of locking accessories, the locking accessories are arranged on the lower surface of the detection table and used for detachably fixing the two ends of the pressing rods, and the pressing rods stretch across the mounting plate and are in line contact with the mounting plate for pressing. Therefore, the sealing effect between the mounting plate and the detection table can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of sheaths, and in particular to a rubber sheath waterproof testing device. Background Art

[0002] At present, rubber material through-hole covers are often installed on some sheet metal holes of automobiles. When some wire harnesses pass through the sheet metal holes, they can pass through the through-hole covers to protect the wire harnesses. Figure 1 As shown, when the end of the via cover 1 is buckled onto the sheet metal 2, it is necessary to ensure the sealing effect between the via cover 1 and the sheet metal 2. Therefore, during the production process of the via cover 1, a waterproof testing device is required to perform a waterproof test.

[0003] Existing Chinese patent with announcement number CN216361666U discloses a static sealing test device for a rubber-plastic sheath, which includes a test platform, a water tank fixedly connected to the upper end face of the test platform, a mounting plate sealed against the bottom of the test platform for mounting the rubber sheath, and a clamping member arranged on the test platform to clamp and fix the mounting plate. The test platform is penetrated by a through hole connected to the water tank. After the mounting plate is installed on the test platform, the rubber sheath is partially inserted into the through hole.

[0004] Regarding the aforementioned related technologies, after the rubber sheath is secured to the mounting plate, the mounting plate is pressed and secured to the lower surface of the test bench using four clamps. Existing quick-release clamps are used for these clamps, and a sealing ring is secured to the lower surface of the test bench, cooperating with the mounting plate to ensure a tight seal between the mounting plate and the test bench. However, when the mounting plate is secured at four points using the clamps, the force applied is uneven, and some thinner sheet metal may deform, resulting in a poor seal between the mounting plate and the test bench. This requires further improvement. Utility Model Content

[0005] In order to improve the sealing effect between the mounting plate and the testing platform, the present application provides a rubber sheath waterproof testing device.

[0006] The present application provides a rubber sheath waterproof testing device that adopts the following technical solutions:

[0007] A rubber sheath waterproof testing device includes a testing platform, a cylinder and a mounting plate. The testing platform is provided with a through-hole running through from top to bottom. The cylinder is fixed to the upper surface of the testing platform and covers the through-hole. The mounting plate is sealingly fitted to the lower surface of the testing platform. The device also includes a clamping assembly for pressing the mounting plate. The clamping assembly includes at least two pressure rods and a plurality of locking accessories arranged at intervals. The locking accessories are arranged on the lower surface of the testing platform and are used to detachably fix the two ends of the pressure rod. The pressure rod spans the mounting plate and is in linear contact with the mounting plate for clamping.

[0008] By adopting the above technical solution, when conducting a test, the rubber sheath is buckled onto the mounting plate, then the mounting plate is attached to the lower surface of the test bench, and then the pressure rod is placed across the lower surface of the mounting plate. Finally, the two ends of the pressure rod are fixed by the locking accessories, and then the mounting plate is pressed by at least two pressure rods, and the mounting plate is pressed by line contact, which is different from the existing four-point contact pressing, so that the entire pressure rod is subjected to more uniform force, thereby improving the sealing effect between the mounting plate and the test bench.

[0009] Preferably, the locking accessory includes a stud and a compression nut, the stud is vertically fixed to the lower surface of the detection platform, both ends of the pressure rod are provided with a clearance hole for the stud to pass through, and the compression nut is threadedly connected to the stud.

[0010] By adopting the above technical solution, the mounting plate is first attached to the lower surface of the test bench, then the pressure rod is brought close to the lower surface of the test bench and both ends pass through the studs, and then the two ends of the pressure rod are pressed by the tightening nut, so that the pressure rod gradually approaches and is pressed against the lower surface of the mounting plate, so as to achieve the fixing of the two ends of the pressure rod by the locking accessories.

[0011] Preferably, flat portions are provided at both ends of the pressure rod, the clearance hole is provided in the flat portions, and a notch is provided in the flat portion at one end of the pressure rod, and the notch is connected to the clearance hole; when one end of the pressure rod rotates around the stud, the stud enters the clearance hole along the notch.

[0012] By adopting the above technical solution, the flat portion can facilitate the setting of the clearance hole. When loosening the clamping nut to disassemble the mounting plate, the end of the pressure rod without the notch can be directly rotated around the stud. At this time, the end of the pressure rod with the opening can leave the stud through the notch, thereby allowing the pressure rod to rotate away from the position relative to the upper and lower mounting plate, and there is no need to completely remove the pressure rod from the stud, which facilitates the disassembly and assembly of the mounting plate.

[0013] Preferably, a sealing ring is fixed to the lower surface of the detection platform, the lower side of the sealing ring protrudes from the lower surface of the detection platform, and the sealing ring is arranged around the circumference of the through hole.

[0014] By adopting the above technical solution, when the mounting plate is attached to the lower surface of the testing platform, the sealing between the mounting plate and the lower surface of the testing platform can be ensured.

[0015] Preferably, the outer wall of the cylinder is provided with scale lines along the height direction.

[0016] By adopting the above technical solution, it is convenient to quickly observe the water level changes in the cylinder to observe whether the water in the cylinder is leaking.

[0017] Preferably, the compression nut is a butterfly nut.

[0018] By adopting the above technical solution, workers can directly rotate the butterfly nut by hand without the help of other tools, which is convenient for operation.

[0019] Preferably, the pressure rods are provided in two pieces, and the pressure rods are arranged in parallel and at intervals.

[0020] By adopting the above technical solution, the two parallel pressure rods can apply pressure evenly to the mounting plate.

[0021] Preferably, support legs are provided below the testing platform.

[0022] By adopting the above technical solution, the supporting feet ensure that the lower end of the detection table is at a certain height from the placement surface, avoiding direct contact between the clamping component and the placement surface during use, and reducing the stability impact caused by the placement surface being fixed to the mounting plate.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] (1) By setting a clamping assembly, which includes a pressure rod and a locking accessory, the mounting plate is pressed by the pressure rod in line contact, which is different from the existing four-point contact pressing. The force on the entire pressure rod is more uniform, thereby improving the sealing effect between the mounting plate and the test table;

[0025] (2) By arranging the flat portion, the clearance hole and the notch, one end of the pressure rod can be directly rotated in and out of the stud, so there is no need to completely detach the pressure rod from the stud, which can eliminate the interference of the pressure rod on the installation plate during disassembly and assembly, making it easier to disassemble and assemble the installation plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of a partial through-hole sliding sleeve in this embodiment when it is buckled onto a sheet metal;

[0027] Figure 2 Schematic diagram of the structure of the test device of this embodiment;

[0028] Figure 3 This is a schematic structural diagram of the test device of this embodiment from another perspective;

[0029] Figure 4 It is a structural diagram of the mounting plate of this embodiment when it is installed.

[0030] Figure numerals: 1, through-hole cover; 2, sheet metal; 3, test bench; 4, support foot; 5, cylinder; 6, mounting plate; 7, clamping assembly; 71, pressure rod; 72, locking accessory; 721, stud; 722, clamping nut; 8, perforation; 9, sealing ring; 10, clearance hole; 11, flat part; 12, notch; 13, scale line. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The present application embodiment discloses a rubber sheath waterproof testing device. Figure 2 and Figure 3 The testing device includes a testing platform 3, a supporting foot 4, a cylinder 5, a mounting plate 6 and a clamping assembly 7.

[0033] Reference Figure 2 and Figure 3 The test platform 3 is a square block, with support legs 4 fixed to its underside. A circular through-hole 8 is provided near the center of the test platform 3, extending vertically through it. The lower end of the cylinder 5 is fixed to the upper surface of the test platform 3, completely covering the through-hole 8. The lower end of the cylinder 5 is connected to the test platform 3 via a sealant sealant. A mounting plate 6 is sealed against the lower surface of the test platform 3. The mounting plate 6 is square and smaller in area than the lower surface of the test platform 3. The end of the rubber sheath to be tested is fastened to the mounting plate 6. During testing, the main portion of the rubber sheath is located within the cylinder 5.

[0034] A sealing ring 9 is embedded and fixed on the lower surface of the testing platform 3. The lower side of the sealing ring 9 protrudes from the lower surface of the testing platform 3. The sealing ring 9 is fixed around the circumference of the through-hole 8. The inner diameter of the sealing ring 9 is larger than the through-hole 8. When the mounting plate 6 is fixed to the lower surface of the testing platform 3, the upper surface of the mounting plate 6 squeezes the sealing ring 9.

[0035] The clamping assembly 7 is disposed below the inspection platform 3 and is used to clamp the mounting plate 6. The clamping assembly 7 includes at least two pressure rods 71 ​​spaced apart and a plurality of locking components 72. In this embodiment, the pressure rods 71 ​​are parallel and spaced apart, with each pressure rod 71 corresponding to two locking components 72. The locking components 72 are located at both ends of the pressure rod 71. The locking components 72 are disposed on the lower surface of the inspection platform 3 and are used to detachably fix the two ends of the pressure rod 71. The pressure rod 71 spans the length or width of the mounting plate 6 and is in line contact with the lower surface of the mounting plate 6 for clamping. Since the pressure rods 71 ​​can perform line contact clamping on the mounting plate 6, the force applied to the mounting plate 6 is more uniform, thereby reducing water leakage caused by deformation or uneven force on the mounting plate 6.

[0036] Each locking component 72 includes a stud 721 and a compression nut 722. The stud 721 is vertically fixed to the lower surface of the test platform 3. The pressure rod 71 has clearance holes 10 at both ends for the stud 721 to pass through. The compression nut 722 is threadedly connected to the stud 721. When the mounting plate 6 is in contact with the lower surface of the test platform 3, the pressure rod 71 is set horizontally with both ends passing through the stud 721. At this time, the upper side of the pressure rod 71 can be in contact with the lower surface of the mounting plate 6. The compression nut 722 then presses the pressure rod 71 upward, so that the pressure rod 71 remains stable and presses the mounting plate 6.

[0037] In some embodiments, the compression nut 722 is a butterfly nut, which is convenient for rotating the butterfly nut directly by hand without the aid of other tools, and is easy to operate.

[0038] In some embodiments, a flat portion 11 is provided at both ends of the pressure rod 71, and a clearance hole 10 is provided at the center of the flat portion 11. When the pressure rod 71 is pressed upward, the upper side of the pressure rod 71 first contacts the surface of the mounting plate 6. A notch 12 is provided at the flat portion 11 at one end of the pressure rod 71. The width of the notch 12 is greater than the outer diameter of the stud 721, and the notch 12 is connected to the clearance hole 10. When one end of the pressure rod 71 rotates around the stud 721, the stud 721 can move in and out of the clearance hole 10 along the notch 12. When the clamping nut is loosened to disassemble the mounting plate 6, the end of the pressure rod 71 without the notch 12 can be rotated around the stud 721 as the rotation axis. At this time, the stud 721 can move in and out of the clearance hole 10. The pressure nut 722 does not need to be detached from the stud 721, so that the pressure rod 71 is rotated away from the position relative to the mounting plate 6. There is no need to completely remove the pressure rod 71 from the stud 721, which facilitates the disassembly of the mounting plate 6.

[0039] In some embodiments, the outer wall of the cylinder 5 is provided with scale lines 13 along the height direction, which can facilitate rapid observation of the water level changes in the cylinder 5 to detect whether the water in the cylinder 5 is leaking.

[0040] The implementation principle of the rubber sheath waterproof testing device of the embodiment of the present application is: when conducting the test, the end of the rubber sheath is buckled onto the mounting plate 6, and then the mounting plate 6 is attached to the lower surface of the test platform 3, and the rubber sheath body enters the cylinder 5; then the two ends of the pressure rod 71 are passed through the studs 721, so that the pressure rod 71 spans the lower surface of the mounting plate 6, and finally the two ends of the pressure rod 71 are compressed and fixed by the tightening nut 722, and then the mounting plate 6 is compressed by the two pressure rods 71, and the mounting plate 6 is compressed by line contact, which is different from the existing four-point contact compression, so that the entire pressure rod 71 is subjected to more uniform force, thereby improving the sealing effect between the mounting plate 6 and the test platform 3.

[0041] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A rubber sheath waterproof testing device, comprising a testing platform (3), a cylinder (5) and a mounting plate (6), wherein the testing platform (3) is provided with a through hole (8) extending vertically therethrough, the cylinder (5) is fixed to the upper surface of the testing platform (3) and covers the through hole (8), and the mounting plate (6) is sealed and attached to the lower surface of the testing platform (3), characterized in that: The test bench (3) further comprises a pressing assembly (7) for pressing the mounting plate (6), wherein the pressing assembly (7) comprises at least two pressure rods (71) spaced apart and a plurality of locking accessories (72), wherein the locking accessories (72) are arranged on the lower surface of the test bench (3) and are used to detachably fix the two ends of the pressure rod (71), and the pressure rod (71) spans the mounting plate (6) and is in linear contact with the mounting plate (6) for pressing.

2. A rubber sheath waterproof testing device according to claim 1, characterized in that: The locking accessory (72) comprises a stud (721) and a compression nut (722), wherein the stud (721) is vertically fixed to the lower surface of the detection platform (3), and both ends of the pressure rod (71) are provided with a clearance hole (10) for the stud (721) to pass through, and the compression nut (722) is threadedly connected to the stud (721).

3. A rubber sheath waterproof testing device according to claim 2, characterized in that: The two ends of the pressure rod (71) are provided with flat portions (11), the clearance hole (10) is provided in the flat portions (11), and the flat portion (11) at one end of the pressure rod (71) is provided with a notch (12), and the notch (12) is communicated with the clearance hole (10); when one end of the pressure rod (71) rotates around the stud (721), the stud (721) enters the clearance hole (10) along the notch (12).

4. A rubber sheath waterproof testing device according to claim 1, characterized in that: A sealing ring (9) is fixed to the lower surface of the detection platform (3), the lower side of the sealing ring (9) protrudes from the lower surface of the detection platform (3), and the sealing ring (9) is arranged around the circumference of the through hole (8).

5. The rubber sheath waterproof testing device according to claim 1, characterized in that: The outer wall of the cylinder (5) is provided with scale lines (13) along the height direction.

6. A rubber sheath waterproof testing device according to claim 2, characterized in that: The compression nut (722) is a butterfly nut.

7. A rubber sheath waterproof testing device according to claim 1, characterized in that: The pressure rods (71) are provided in two pieces, and the pressure rods (71) are arranged in parallel and at intervals.

8. The rubber sheath waterproof testing device according to claim 1, characterized in that: Support legs (4) are provided below the testing platform (3).

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