Water tightness testing device for automobile door interior trim panel

Abstract

The invention discloses a water tightness testing device for an automobile door trim panel. The water tightness testing device comprises a water storage assembly, a drainage pipe and a water dripping assembly, the water storage assembly is used for storing watertight test liquid and conveying the watertight test liquid to the water dripping assembly through a drainage pipe; the water dripping assembly is arranged above the to-be-tested door trim panel, a preset number of dripping openings are formed in the bottom of the water dripping assembly, and the dripping openings correspond to the door trim panel, so that the water tightness testing liquid drips onto the door trim panel for water tightness testing. Through the technical scheme of the invention, the water tightness inspection of the door interior trim panel can be realized, the part-level waterproof test standard and the experimental method are developed, and a basis is provided for effectively improving the product quality.

Description

Technical Field

[0001] The invention relates to the technical field of watertightness testing, and in particular to a watertightness testing device for an automobile door interior trim panel. Background Art

[0002] At present, although the automobile industry has publicly disclosed test methods and standards for the external rain test of the whole vehicle, there are no standards and methods for door panel-level watertightness testing, and there is no waterproof testing method for waterproof testing equipment for door interior panels in the prior art. Summary of the invention

[0003] In view of the above problems, the present invention provides a watertightness inspection device for automobile door interior panels. By splitting the vehicle-level watertightness test into a watertightness test for the door interior panels, a dripping test for the door interior panels is implemented through the structural combination of a water storage component and a dripping component. Thus, the watertightness inspection for the door interior panels can be implemented according to the dripping test results. Component-level waterproof test standards and experimental methods are developed, which provide a basis for effectively improving product quality.

[0004] To achieve the above-mentioned object, the present invention provides a water tightness inspection device for an automobile door interior trim panel, comprising: a water storage component, a drainage pipe and a dripping component; The water storage component is used to store watertight test liquid, and the water storage component transports the watertight test liquid to the dripping component through the drainage pipe; The drip assembly is arranged above the door interior panel to be tested, and a preset number of drip ports are arranged at the bottom of the drip assembly. The drip ports are arranged corresponding to the door interior panel to drip the watertight test liquid onto the door interior panel for watertightness inspection.

[0005] In the above technical solution, preferably, the water tightness inspection device for the automobile door interior trim panel further includes a water flow regulating component; The water flow regulating component is arranged on the drainage pipe, and is used for regulating the water delivery rate of the drainage pipe to the dripping component.

[0006] In the above technical solution, preferably, the water tightness inspection device for the automobile door interior trim panel further comprises a supporting assembly, and the supporting assembly is used to support and fix the water storage assembly and the dripping assembly respectively.

[0007] In the above technical solution, preferably, the water tightness test device for the automobile door interior trim panel further includes a positioning component, which is fixed to the bottom of the supporting component, and the positioning component positions the water tightness test device.

[0008] In the above technical solution, preferably, the inner diameter of the drainage tube is 2 to 3 mm.

[0009] In the above technical solution, preferably, the distance from the dripping port to the door interior panel is 190 mm to 210 mm, the dripping width of the dripping port relative to the door interior panel is 18 mm to 22 mm, and the dripping speed of the dripping port is 5 to 6 drops / second.

[0010] In the above technical solution, preferably, the spacing between the dripping openings is 15 mm, and at least 60 dripping openings are arranged on the drip assembly.

[0011] In the above technical solution, preferably, the watertight test liquid stored in the water storage component is sufficient for the dripping port to continue dripping for at least 15 minutes.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: by splitting the vehicle-level watertightness test into a watertightness test for door interior panels, a dripping test for door interior panels is achieved through the structural combination of a water storage component and a dripping component, and the test process is graded and adjusted through a water flow regulating component, so that the watertightness test for door interior panels can be achieved according to the dripping test results, and component-level waterproof test standards and experimental methods are developed, which provide a basis for effectively improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic structural diagram of a water tightness inspection device for an automobile door interior trim panel disclosed in an embodiment of the present invention; Figure 2 The present invention is a schematic structural diagram of a water flow regulating assembly disclosed in an embodiment of the present invention.

[0014] In the figure, the corresponding relationship between each component and the reference numeral is as follows: 1. Water storage component, 2. Drainage pipe, 3. Drip component, 31. Drip port, 4. Water flow adjustment component, 41. Adjustment slot, 42. Slide slot, 43. Pulley, 5. Support component, 6. Positioning component. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] The present invention is further described in detail below in conjunction with the accompanying drawings: like Figure 1As shown, a water tightness inspection device for a car door interior trim panel provided according to the present invention comprises: a water storage component 1, a drainage pipe 2 and a drip component 3; The water storage component 1 is used to store the watertight test liquid, and the water storage component 1 transports the watertight test liquid to the dripping component 3 through the drainage pipe 2; The drip assembly 3 is arranged above the door interior panel to be tested, and a preset number of drip ports 31 are arranged at the bottom of the drip assembly 3. The drip ports 31 are arranged corresponding to the door interior panel to drip the watertight test liquid onto the door interior panel for watertightness inspection.

[0017] In this embodiment, the vehicle-level watertightness test is split into a watertightness test for door interior panels, and a dripping test for door interior panels is implemented through the structural combination of the water storage component 1 and the dripping component 3. Thus, the watertightness test for the door interior panels can be implemented based on the dripping test results, and component-level waterproof test standards and experimental methods are developed, providing a basis for effectively improving product quality.

[0018] Among them, the door interior trim includes components located inside the car body and connected to the body sheet metal, so that on the basis of the external rain test of the entire vehicle, it is possible to inspect and evaluate whether water flows into the car and whether it passes through electrical components and other water leakage conditions.

[0019] Specifically, the door panel or other door interior panel product to be tested is placed under the drip assembly 3, the watertight test liquid stored in the water storage assembly 1 is transported to the drip assembly 3 through the drainage pipe 2, and drips onto the door interior panel through the drip port 31 for watertightness test.

[0020] In addition, the watertightness test liquid can be a neutral reagent or tap water. In order to further enhance the confirmation effect of water leakage and water flow path, a colored water-soluble developer is applied to the surface of the door interior trim panel.

[0021] like Figure 2 As shown, in the above embodiment, preferably, the water tightness inspection device for the automobile door interior trim panel further includes a water flow regulating component 4; The water flow regulating component 4 is disposed on the drainage pipe 2 and is used to adjust the water delivery rate from the drainage pipe 2 to the dripping component 3 .

[0022] In this embodiment, the water flow regulating component 4 adopts a structure similar to the pulley of the drip rate regulator of the infusion set, that is, an adjusting slot 41 is arranged on the outer surface of the drainage tube 2, a pulley 43 is arranged in the adjusting slot 41, and a slide groove 42 with a preset slope is arranged on the adjusting slot 41, so that the pulley 43 can produce different degrees of squeezing on the drainage tube 2 during the sliding process along the slide groove 42, thereby realizing the adjustment of the drip rate.

[0023] In the above embodiment, preferably, the water tightness inspection device for the automobile door interior trim panel further comprises a support assembly 5, and the support assembly 5 is used to support and fix the water storage assembly 1 and the drip assembly 3 respectively.

[0024] During implementation, the support assembly 5 can be supported at both ends of the water storage assembly 1 and the drip assembly 3 by means of a support rod.

[0025] In the above embodiment, preferably, the water tightness test device for the automobile door interior trim panel further includes a positioning component 6, which is fixed to the bottom of the supporting component 5, and the positioning component 6 positions the water tightness test device.

[0026] During implementation, the positioning component 6 can use a cross bar that is perpendicular to the water storage component 1 and the dripping component 3. At the same time, the cross bar is perpendicular to the support component 5. The positioning of the entire inspection device is achieved through the placement of the cross bar on the ground.

[0027] In the above embodiment, preferably, the inner diameter of the drainage tube 2 is 2 to 3 mm, more preferably 2.5 mm. At the same time, the water flow regulating component 4 can adjust the diameter of the drainage tube 2 by squeezing, so as to adjust the dripping speed of the drainage tube 2.

[0028] In the above embodiment, preferably, the distance from the dripping port 31 to the door interior panel is 190 mm to 210 mm, the dripping width of the dripping port 31 relative to the door interior panel is 18 mm to 22 mm, and the dripping speed of the dripping port 31 is 5 to 6 drops / second by adjusting the water flow regulating component 4.

[0029] In the above embodiment, preferably, the spacing between the dripping openings 31 is 15 mm, and at least 60 dripping openings 31 are provided on the dripping assembly 3 to evenly drip the watertight test liquid onto the door interior trim to complete the dripping test.

[0030] In the above embodiment, preferably, the watertight test liquid stored in the water storage assembly 1 is sufficient for the dripping port 31 to continue dripping for at least 15 minutes.

[0031] According to the water tightness inspection device for automobile door interior panels disclosed in the above embodiment, during the implementation process, water tightness tests are performed on the door interior panels inside and outside the vehicle respectively. The specific test conditions and judgment criteria are shown in the following table:

[0032] The specific criteria for determination are as follows: Level 1: There is no trace of water flow between the door panel and the inner sheet metal; Level 2: There are traces of water flow between the door panel and the inner sheet metal, but it does not pass through the electrical components and the water does not flow into the car; Level 3: There are traces of water flow between the door panel and the inner sheet metal. The water flow path passes through the electrical components, but the water does not flow into the car. Level 4: There are traces of water flow between the door panel and the inner sheet metal, water can flow into the car and other water leakage occurs.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A water tightness inspection device for automobile door interior panels, characterized in that: include: Water storage components, drainage tubes and drip components; The water storage component is used to store watertight test liquid, and the water storage component transports the watertight test liquid to the dripping component through the drainage pipe; The drip assembly is arranged above the door interior panel to be tested, and a preset number of drip ports are arranged at the bottom of the drip assembly. The drip ports are arranged corresponding to the door interior panel to drip the watertight test liquid onto the door interior panel for watertightness inspection.

2. The water tightness inspection device for automobile door interior trim according to claim 1, characterized in that: Also included is a water flow regulation assembly; The water flow regulating component is arranged on the drainage pipe, and is used for regulating the water delivery rate of the drainage pipe to the dripping component.

3. The water tightness inspection device for automobile door interior trim according to claim 1 or 2, characterized in that: It also includes a supporting assembly, which is used to support and fix the water storage assembly and the drip assembly respectively.

4. The water tightness inspection device for automobile door interior trim according to claim 3, characterized in that: It also includes a positioning component, which is fixed to the bottom of the supporting component and is used to position the water tightness inspection device.

5. The water tightness inspection device for automobile door interior trim according to claim 4, characterized in that: The inner diameter of the drainage tube is 2 to 3 mm.

6. The water tightness inspection device for automobile door interior trim according to claim 5, characterized in that: The distance from the dripping port to the door interior panel is 190 mm to 210 mm, the dripping width of the dripping port relative to the door interior panel is 18 mm to 22 mm, and the dripping speed of the dripping port is 5 to 6 drops per second.

7. The water tightness testing device for automobile door interior trim according to claim 6, characterized in that: The spacing between the dripping openings is 15 mm, and at least 60 dripping openings are arranged on the drip assembly.

8. The water tightness testing device for automobile door interior trim according to claim 7, characterized in that: The water-tight test liquid stored in the water storage assembly is sufficient to allow the dripping opening to continue dripping for at least 15 minutes.

Images