CN217111343U - Automobile sealing strip water tightness test tool - Google Patents
Automobile sealing strip water tightness test tool Download PDFInfo
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- CN217111343U CN217111343U CN202220842056.1U CN202220842056U CN217111343U CN 217111343 U CN217111343 U CN 217111343U CN 202220842056 U CN202220842056 U CN 202220842056U CN 217111343 U CN217111343 U CN 217111343U
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Abstract
The utility model provides a water tightness test tool for an automobile sealing strip, which belongs to the technical field of sealing detection equipment and comprises a test upper plate, a test lower plate and a water tank; the upper end face of the test lower plate is provided with a first modeling structure for positioning the sealing strip; the lower end face of the upper test plate is provided with a second modeling structure for positioning the sealing strip; the test upper plate is fixed on the test lower plate, and a crack for simulating installation of the vehicle door sealing strip is formed between the first modeling structure and the second modeling structure; the water tank is supported on the upper test plate and the lower test plate, and the bottom of the water tank is provided with a water leakage port communicated with the crack. The utility model constructs a crack simulating the real installation of the automobile sealing strip by testing the upper plate and the lower plate; the automobile sealing strip is arranged in the crack, water leakage to the crack is achieved through the water tank above the automobile sealing strip, the situation of water immersion at the position of the sealing strip is observed, the water sealing performance of the sealing strip can be evaluated, and the water leakage risk caused by the fact that the whole automobile is subjected to water sealing performance test can be avoided.
Description
Technical Field
The utility model belongs to the technical field of sealed check out test set, concretely relates to car sealing strip water tightness test frock.
Background
With the progress of science and technology and the upgrading of technology, the automobile shape is continuously changed in design, the requirements on each part are higher and higher, the existing automobile sealing strip considers the functionality, the light weight, the cost and the like of a product, the structure of the product is more and more complex, the automobile sealing strip is connected with an automobile body and an automobile door, and the water-resisting and water-repelling performance of the automobile sealing strip is particularly important. If the watertight performance of the automobile sealing strip fails, water permeates into the automobile from the outside of the automobile in rainy and snowy weather and the automobile washing process, and excessive water seepage can cause water to enter the automobile instrument area and the chassis area, so that the phenomena of line short circuit, controller failure and the like are caused, and the quality of the whole automobile, the use performance of the whole automobile and the impression of customers on brands are seriously influenced.
At present, no method for quickly detecting the water tightness of the automobile sealing strip exists in national industry standards, and only the introduction of the whole automobile water leakage condition is required during the whole automobile rain test, so that the whole automobile rain test easily causes the problems of high automobile door water leakage risk, water inflow in an automobile and damage to electronic equipment in the automobile. The method for detecting the water tightness of the automobile sealing strip is not clear in part of enterprise standards, and the specific details of a water tightness test tool for implementing the test are not described, so that the problems that a water tightness performance evaluation system is incomplete, the product quality cannot be accurately reflected, the water tightness performance of connecting pieces inside and outside a carriage is examined, the test parameters are uncertain, the operation process is not uniform and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The water tightness testing tool for the automobile sealing strip is reliable and convenient to provide for automobile enterprises, avoids the problem caused by rain test of the whole automobile, perfects an automobile water tightness testing system, and further improves the service performance of the whole automobile.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an automobile sealing strip water tightness test fixture, includes: the test upper plate, the test lower plate and the water tank are arranged; the upper end face of the test lower plate is provided with a first modeling structure for positioning the sealing strip; the lower end face of the test upper plate is provided with a second modeling structure for positioning the sealing strip; the test upper plate is fixed on the test lower plate, and a crack for simulating and installing the vehicle door sealing strip is formed between the first modeling structure and the second modeling structure; the water tank is supported on the upper test plate and the lower test plate, and the bottom of the water tank is provided with a water leakage port communicated with the crack.
In a possible implementation manner, the width of the water leakage port is consistent with the width of the upper end opening of the crack, and the length of the water leakage port is smaller than that of the crack.
In a possible realization, a sealing ring is arranged around the water leakage port.
In a possible implementation manner, a graduated scale is arranged on the side wall of the water tank.
In one possible implementation, the water tank is made of transparent acrylic material or glass material.
In one possible implementation, the first modeling structure is provided with a first positioning part for positioning the frame sealing strip; the second molding structure is provided with a second positioning part for positioning the sealing strip of the vehicle door, the second molding structure is close to the water tank, and the first molding structure is far away from the water tank.
In a possible implementation manner, the lower test plate is further provided with a support plate, and the upper test plate is fixed on the support plate.
In one possible implementation, the test upper plate is fixed to the support plate by bolts.
In a possible implementation manner, an empty interval avoiding the sealing strip is formed between the first structural structure and the supporting plate on the testing lower plate.
In a possible implementation manner, water baffles are arranged at two ends of the length direction of the vacant section.
The utility model provides a car sealing strip water tightness test fixture compares with prior art, and beneficial effect lies in: constructing a crack simulating the real installation of the automobile sealing strip through the upper test plate and the lower test plate; the automobile sealing strip is arranged in the crack, water leakage to the crack is achieved through the water tank above the automobile sealing strip, the situation of water immersion at the position of the sealing strip is observed, the water sealing performance of the sealing strip can be evaluated, and the water leakage risk caused by the fact that the whole automobile is subjected to water sealing performance test can be avoided.
Drawings
Fig. 1 is a schematic front view structural diagram of a water tightness testing tool for an automobile sealing strip provided in an embodiment of the present invention;
FIG. 2 is a schematic top view of the water tightness testing tool for the automobile sealing strip provided in FIG. 1;
FIG. 3 is a schematic front view of the test lower plate provided in FIG. 1;
FIG. 4 is a left side view of the test lower plate of FIG. 3;
FIG. 5 is a schematic top view of the lower test plate shown in FIG. 3;
FIG. 6 is a schematic front view of the test upper plate provided in FIG. 1;
FIG. 7 is a left side view of the test upper plate of FIG. 6;
FIG. 8 is a schematic top view of the test upper plate provided in FIG. 6;
description of reference numerals:
1. testing the lower plate; 11. a support plate; 12. a first positioning portion; 13. a first modeling structure; 14. a threaded hole; 2. testing the upper plate; 21. a second modeling structure; 22. a second positioning portion; 3. a bolt; 4. a water tank; 41. a water leakage port; 5. testing the liquid; 6. a seal ring; 7. a door weather strip; 8. vehicle frame sealing strips.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 8, the tool for testing the water tightness of the automobile sealing strip according to the present invention will now be described. The automobile sealing strip water tightness testing tool comprises a testing upper plate 2, a testing lower plate 1 and a water tank 4; the upper end face of the testing lower plate 1 is provided with a first modeling structure 13 for positioning the sealing strip; the lower end face of the test upper plate 2 is provided with a second modeling structure 21 for positioning the sealing strip; the testing upper plate 2 is fixed on the testing lower plate 1, and a crack for simulating installation of the vehicle door sealing strip 7 is formed between the first modeling structure 13 and the second modeling structure 21; the water tank 4 is supported on the upper and lower test plates 2 and 1, and has a drain port 41 at the bottom thereof communicating with the slit.
Compared with the prior art, the tool for testing the water tightness of the automobile sealing strip provided by the embodiment constructs a crack simulating the real installation of the automobile sealing strip through the testing upper plate 2 and the testing lower plate 1; the automobile sealing strip is arranged in the crack, water is leaked to the crack through the water tank 4 above the automobile sealing strip, the situation of water soaking at the position of the sealing strip is observed, the water sealing performance of the sealing strip can be evaluated, and the water leakage risk caused by the water sealing performance test of the whole automobile can be avoided.
The principle of the sealing strip water sealing performance test provided by the embodiment is as follows: as shown in figure 1, under different water heights H, the sealing performance of a door sealing strip 7 and a frame sealing strip 8 is evaluated, and the water tightness of the sealing strips is evaluated according to the situation that the positions (i) and (ii) are soaked with water. The position is a vehicle door sealing strip 7, and the position is a vehicle frame sealing strip 8.
The test achieved the following objectives:
(1) and (4) evaluating whether the product has water leakage in the water height H, namely, the sealing area of the door strip and the sealing area of the door frame.
(2) Through different water height H tests, the highest bearing pressure P which is designed to be sealed is evaluated as rho gh, the reliability of product design is evaluated through comparison with the water pressure of a finished automobile spraying test, the product structure is optimized through a water tightness test, and the quality of the finished automobile is improved.
The test fixture provided by the embodiment is simple in structure, easy to manufacture, convenient to assemble and simple and feasible in test operation. The tool is manufactured as follows:
as shown in fig. 1 to 8, a test upper plate 2 and a test lower plate 1 are designed according to the actual assembly condition of a sealing strip to be tested, so that the state of the sealing strip assembled between a first modeling structure 13 and a second modeling structure 21 is consistent with the state of the sealing strip actually assembled on an automobile, the test upper plate 2 is connected with the test lower plate 1 through a bolt 3, after the bolt 3 is connected, the upper end opening of the crack between the test upper plate 2 and the test lower plate 1 is ensured to be provided with a gap a according to the actual assembly state, the test upper plate 2 and the test lower plate 1 have certain lengths, the sealing strip with the length of at least 200mm can be ensured to be assembled, the test upper plate 2 and the test lower plate 1 use a 4Cr13H material to prevent a tool from contacting water for a long time, so as to generate a corrosion condition, and avoid the influence on the assembly precision.
As shown in fig. 1, the water tank 4 is manufactured according to the length dimensions of the upper test plate 2 and the lower test plate 1, so that the width of the drain port 41 at the bottom of the water tank 4 is consistent with the gap a, and the overall length of the water tank 4 is smaller than the length of the upper test plate 2 and the lower test plate 1. The water tank 4 is made of transparent acrylic or glass plate materials so as to measure the actual height of water conveniently. The graduated scale is pasted in the height direction of the water tank 4 so as to facilitate the measurement of the water level.
Assembling the water tank 4 and sealing a water leakage hole of the water tank 4, as shown in figure 1, mounting a 200mm vehicle door sealing strip 7 and a vehicle frame sealing strip 8 on the test upper plate 2 and the test lower plate 1; as shown in the hatching of the top view of fig. 1, the water leakage port 41 of the water tank 4 is sealed with the upper test plate 2 and the lower test plate 1 by using the seal ring 6 made of butyl rubber to seal the water leakage port 41 to ensure water tightness.
Alternatively, the water tank 4 may also be entirely supported on the test upper plate 2, and the left and right ends of the test upper plate 2 may be entirely supported on the test lower plate 1, wherein the upper end opening of the crack is opened on the test upper plate 2.
The upper and lower test plates 2 and 1 may be made of stainless steel, such as 20Cr13, 30Cr13, 40Cr13, or the like, in addition to 4Cr 13H.
The test liquid 5 may alternatively be deionized water, tap water, or the like.
Wherein, the sealing ring 6 is made of rubber.
Based on the tool for testing the water sealing performance of the automobile sealing strip provided by the embodiment, the method for testing the water sealing performance of the sealing strip comprises the following steps:
after the sealing strip is assembled and confirmed to be sealed, deionized water with the height of 3cm is added into the water tank 4, standing is carried out for 30min in a laboratory environment, whether the water tightness is good or not is observed, and the water repellency and the water resistance of the sealing system are evaluated through the situations of the first position and the second position of soaking water, so that the water tightness of the automobile sealing strip is accurately judged.
The above experiment was repeated by adding 5cm, 10cm … … of deionized water to the water tank 4.
Deionized water with a certain H height is filled into the water tank 4, and the deionized water is used for reducing the interference of impurities in the test liquid to the test result.
In some embodiments, as shown in fig. 1, the width of the drain port 41 coincides with the width of the upper end opening of the slit, and the length of the drain port 41 is smaller than the length of the slit.
In some embodiments, as shown in fig. 1, a sealing ring 6 is provided around the drain port 41 to seal the drain port 41 to ensure water tightness.
In some embodiments, a graduated scale is provided on the side wall of the water tank 4 to facilitate accurate determination of the amount of water added to the water tank 4.
In some embodiments, the water tank 4 is made of transparent acrylic material or glass material. The water tank 4 adopts transparent materials or stainless steel materials for facilitating the observation of the height of the internal test liquid 5, and a liquid level meter is arranged on the side wall.
In some embodiments, as shown in fig. 1, 3 and 6, the first molding structure 13 has a first positioning portion 12 for positioning the bezel sealing strip 8; the second molding 21 has a second positioning portion 22 for positioning the door weather strip 7, and the second molding 21 is close to the water tank 4, and the first molding 13 is far from the water tank 4. In the real environment of the automobile, rainwater permeates from the outside to the inside of the automobile window, so that when the water sealing performance is tested, deionized water firstly passes through the automobile door sealing strip 7 and then passes through the automobile frame sealing strip 8.
In some embodiments, the lower test plate 1 further has a support plate 11 thereon, and the upper test plate 2 is fixed to the support plate 11. As shown in fig. 1, the right end of the upper testing plate 2 is fixed on the supporting plate 11, and the left end of the upper testing plate 2 is suspended in the air and is in a suspension state; the upper test plate 2 may also be supported on the lower test plate 1 at both left and right ends (not shown).
In some embodiments, as shown in fig. 1, the test upper plate 2 is secured to the support plate 11 by bolts 3. At least two bolts 3 are used for fixing the position of the test upper plate 2, and a bolt mode can also be used for limiting the X, Y direction displacement of the test upper plate 2. Wherein, set up screw hole 14 on backup pad 11, set up the through-hole on testing upper plate 2.
In some embodiments, as shown in fig. 1, the test lower plate 1 has an empty space between the first structure and the support plate 11 to avoid the sealing strip.
In some embodiments, water baffles are arranged at two ends of the length direction of the vacant section. The strip groove that the interval formed of vacancy, if sealing performance is relatively poor, water can flow to the interval of vacancy and the water-retaining plate is set up to the interval of vacancy from the crack and the scattered stream, can make the water that reveals keep off and collect in the interval of vacancy and handle, avoids the influence of the wantonly scattered stream of water to experimental environment.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an automobile sealing strip water tightness test fixture which characterized in that includes: the test device comprises a test upper plate (2), a test lower plate (1) and a water tank (4);
the upper end face of the test lower plate (1) is provided with a first modeling structure (13) for positioning the sealing strip;
the lower end face of the test upper plate (2) is provided with a second modeling structure (21) for positioning the sealing strip; the testing upper plate (2) is fixed on the testing lower plate (1), and a crack for simulating installation of the vehicle door sealing strip (7) is formed between the first modeling structure (13) and the second modeling structure (21);
the water tank (4) is supported on the upper test plate (2) and the lower test plate (1), and the bottom of the water tank is provided with a water leakage port (41) communicated with the crack.
2. The automobile sealing strip water tightness test tool according to claim 1, wherein the width of the water leakage port (41) is consistent with the width of an upper end opening of the crack, and the length of the water leakage port (41) is smaller than the length of the crack.
3. The automobile sealing strip water tightness test tool according to claim 1, wherein a sealing ring (6) is arranged around the water leakage port (41).
4. The automobile sealing strip water tightness test tool according to claim 1, wherein a graduated scale is arranged on the side wall of the water tank (4).
5. The automobile sealing strip water tightness test tool according to claim 1, wherein the water tank (4) is made of a transparent acrylic material or a glass material.
6. The automobile weather strip water tightness test tool according to claim 1, wherein the first molding structure (13) has a first positioning portion (12) for positioning the frame weather strip (8); the second molding structure (21) is provided with a second positioning portion (22) for positioning the door weather strip (7), the second molding structure (21) is close to the water tank (4), and the first molding structure (13) is far away from the water tank (4).
7. The automobile sealing strip water tightness test tool according to claim 1, wherein a support plate (11) is further arranged on the test lower plate (1), and the test upper plate (2) is fixed on the support plate (11).
8. The automobile sealing strip water tightness test tool according to claim 7, wherein the test upper plate (2) is fixed on the support plate (11) through bolts (3).
9. The automobile sealing strip water tightness test tool according to claim 7, wherein an empty interval for avoiding the sealing strip is formed between the first structural structure and the support plate (11) on the test lower plate (1).
10. The automobile sealing strip water tightness testing tool according to claim 9, wherein water baffles are arranged at two ends of the vacant section in the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220842056.1U CN217111343U (en) | 2022-04-12 | 2022-04-12 | Automobile sealing strip water tightness test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220842056.1U CN217111343U (en) | 2022-04-12 | 2022-04-12 | Automobile sealing strip water tightness test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217111343U true CN217111343U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220842056.1U Active CN217111343U (en) | 2022-04-12 | 2022-04-12 | Automobile sealing strip water tightness test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217111343U (en) |
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2022
- 2022-04-12 CN CN202220842056.1U patent/CN217111343U/en active Active
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