Dual-purpose automobile water tank air tightness detection tool
By designing a testing fixture that combines multiple cylinders and limiting posts, the problems of low efficiency and inaccurate positioning in the existing technology for testing the air tightness of automotive water tanks have been solved. This enables efficient and accurate testing in different environments and allows for the rapid identification of leaks.
Patent Information
- Application Number
- CN202423314444.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing automotive radiator airtightness testing equipment suffers from low testing efficiency and inaccurate positioning during the testing process, especially lacking adaptability to testing in both water-containing and waterless environments.
A dual-purpose automotive water tank air tightness testing fixture was designed, which adopts a combination structure of multiple cylinders and limiting columns. It can accurately position and seal the water tank in both water-containing and waterless environments, and achieve rapid testing through the coordinated work of the cylinders.
It enables efficient airtightness testing of automotive radiators in both water-rich and waterless environments, improving the accuracy and efficiency of testing and quickly identifying leaks.
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Figure CN223525968U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection frock technical field, in particular to a dual -purpose car water tank gas tightness detection frock. BACKGROUND
[0002] The air tightness detection is a necessary step after the welding of the plastic parts such as the automobile water storage tank and the expansion water tank, and is an important guarantee for improving the reliability of the water storage tank and the expansion water tank. The method is to install the detection frock on the air tightness detection machine, block the water outlet of the water tank with a rubber pad, then input air from the guide pipe, and if the pressure exceeds the set range in the set time, the equipment will alarm, so that whether the part is qualified can be determined.
[0003] The existing patent document CN219914795U discloses a frock for detecting the air tightness of an automobile water tank, which is convenient to put and take out the automobile water tank by setting a base to bear the automobile water tank; the base is provided with a charging air cylinder and a limiting air cylinder, the charging air cylinder performs the detection task by charging the water tank, and the limiting air cylinder limits the water tank, so that the water tank can be well clamped and fixed, the water tank is prevented from deviating during the detection process, and the detection result is affected; and the water tank can be well protected, and the water tank is prevented from being deformed due to unreasonable stress during the pressurization. The utility model has the advantages of simple structure, convenient operation, low cost and good effect.
[0004] The disclosure of the above background art content is only used to assist in understanding the concept and technical scheme of the utility model, and it does not necessarily belong to the prior art of the present patent application. In the absence of explicit evidence that the above content has been disclosed on the filing date of the present patent application, the above background art should not be used to evaluate the novelty and inventiveness of the present application. UTILITY MODEL CONTENT
[0005] The utility model mainly aims at providing a dual -purpose car water tank gas tightness detection frock which is compact in structure and is specially used for automobile water tank air leakage detection, and can detect the air tightness of the automobile water tank in the water or waterless environment.
[0006] Therefore, the utility model provides a dual -purpose car water tank gas tightness detection frock.
[0007] Preferably, the utility model can also have the following technical features:
[0008] The utility model provides a dual-purpose car water tank air tightness detection frock, including mounting plate, and first inflation cylinder, second inflation cylinder, left cylinder, right cylinder, first front cylinder and second front cylinder are installed on the mounting plate, the middle part of mounting plate is car water tank placement area, first inflation cylinder, second inflation cylinder, left cylinder, right cylinder, first front cylinder and second front cylinder are separately arranged in the four sides of car water tank placement area, and the telescopic rod of each cylinder is towards car water tank placement area, wherein, first inflation cylinder and second inflation cylinder are located at the back side of car water tank placement area, left cylinder and right cylinder are separately arranged in the left side and right side of car water tank placement area, first front cylinder and second front cylinder are installed on the front side of car water tank placement area, the telescopic rod end of left cylinder, right cylinder, first front cylinder and second front cylinder is equipped with sealing plug, at least 4 limit posts are further equipped on the mounting plate and are separately arranged in the four directions of car water tank placement area, and the front, back, right and left four directions of car water tank are limited.
[0009] Further, the telescopic rod front end of first inflation cylinder, second inflation cylinder, left cylinder, right cylinder, first front cylinder and second front cylinder moves the same distance and seals the water pipe mouth of the car water tank to be detected.
[0010] Further, the limit post has 5, wherein, 2 limit posts are arranged on the front side of car water tank placement area.
[0011] Further, the 5 limit posts include limit post a, limit post b, limit post c, limit post d and limit post e, wherein, limit post a and b are installed on the front side of car water tank placement area and between first front cylinder and second front cylinder, limit post c is installed on the right side of car water tank placement area and between right cylinder and second front cylinder, limit post d is installed on the back side of car water tank placement area and between first inflation cylinder and second inflation cylinder, and limit post e is installed on the left side of car water tank placement area and between left cylinder and first front cylinder.
[0012] Further, it further includes guide let -out groove, the guide let -out groove is formed by 2 parallel guide bars fixed on the mounting plate, and the interval of two guide bars is a certain distance, and the interval of two guide bars forms the guide let -out groove.
[0013] Further, it further includes connecting frame, the connecting frame includes horizontal rod and vertical rod fixed on the both ends of horizontal rod through bolt, and the lower end of two vertical rods is fixed on the mounting plate, and the middle part of horizontal rod is further equipped with connecting screw hole.
[0014] The beneficial effects of the utility model in comparison with prior art include: according to the structure arrangement of the water tank of certain type of automobile, first inflation cylinder, second inflation cylinder, left cylinder, right cylinder, first front cylinder and second front cylinder and the position of each limiting column are arranged. Among them, the position of 4 limiting columns is arranged according to the contour of the automobile water tank, so that the 4 limiting columns sandwich the automobile water tank in the middle, forming the positioning of the automobile water tank. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model.
[0016] Figure 2 It is another embodiment structure schematic diagram of the utility model. DETAILED DESCRIPTION
[0017] The utility model will be further explained in detail in combination with specific implementation and collating the drawings. It should be emphasized that the following description is only exemplary, and is not intended to limit the scope of the utility model and its application.
[0018] With reference to the following drawings, non-limiting and non-exclusive embodiments will be described, in which the same reference signs indicate the same parts, unless otherwise specifically indicated.
[0019] As Figure 1The utility model provides a kind of dual-purpose car water tank air tightness detection tool, including mounting plate 1, and first inflation cylinder 2, second inflation cylinder 3, left cylinder 7, right cylinder 4, first front cylinder 6 and second front cylinder 5 installed on the mounting plate 1, the middle part of the mounting plate 1 is car water tank placement area, first inflation cylinder 2, second inflation cylinder 3, left cylinder 7, right cylinder 4, first front cylinder 6 and second front cylinder 5 are separately arranged in the four sides of car water tank placement area, and the telescopic rod of each cylinder is towards car water tank placement area.
[0020] Preferably, the telescopic rod front end of first inflation cylinder 2, second inflation cylinder 3, left cylinder 7, right cylinder 4, first front cylinder 6 and second front cylinder 5 is same with the distance of each corresponding water pipe port. Thus, car water tank is placed into the space surrounded by limiting column, the switch of 6 cylinders is connected with PLC, 6 cylinders work simultaneously by one key, the telescopic rod of 6 cylinders is same in extension rate, so that 6 cylinders contact with corresponding water pipe port end face almost simultaneously and seal the water pipe port; first inflation cylinder 2 and second inflation cylinder 3 inflate car water tank, and the pressure sensor installed on first inflation cylinder 2 and second inflation cylinder 3 is used to obtain the pressure change in car water tank, if the pressure in car water tank is lower than target pressure value, it is unqualified, otherwise, it is qualified.
[0021] Preferably, the limiting column has 5, wherein the front side of the automobile water tank placement area is provided with 2 limiting columns. The 5 limiting columns include limiting column a11, limiting column b10, limiting column c9, limiting column d, and limiting column e, wherein the limiting columns a and b are installed on the front side of the automobile water tank placement area and between the first front cylinder and the second front cylinder; the limiting column c9 is installed on the right side of the automobile water tank placement area and between the right cylinder 4 and the second front cylinder 5; the limiting column d8 is installed on the rear side of the automobile water tank placement area and between the first inflation cylinder 2 and the second inflation cylinder 3; and the limiting column e12 is installed on the left side of the automobile water tank placement area and between the left cylinder 7 and the first front cylinder 6.
[0022] Further comprising a guide and give way slot 18, which is composed of two parallel guide bars 13 fixed on the mounting plate 1, the two guide bars 13 are at a certain distance, and the distance between them forms the guide and give way slot 18. The automobile water tank is welded by the upper half water tank and the lower half water tank, and the ports of the upper half water tank and the lower half water tank are each provided with an outwardly turned rib to increase the welding area of the upper half water tank and the lower half water tank and improve the sealing effect. When the automobile water tank is placed in the space surrounded by the limiting columns, the ribs of the upper half water tank and the lower half water tank are inserted into the guide and give way slot 18, so that the lower side of the rib and the surface of the mounting plate 1 have a certain distance. When the limiting column is fixed on the mounting plate 1, there is an error, and after the automobile water tank is assembled in place, the automobile water tank will have a tendency to tilt due to the presence of the water tank rib. The guide and give way slot 18 is set to hold the rib, so that the automobile water tank can be placed stably on the guide bar.
[0023] Reference Figure 2 Further comprising a connecting frame, which includes a horizontal rod 14 and vertical rods 15 fixed on both ends of the horizontal rod 14 by bolts, and the lower ends of the two vertical rods 15 are fixed on the mounting plate 1; the middle part of the horizontal rod 14 is further provided with a connecting screw hole 16. In use, the automobile water tank air tightness detection tool of the utility model can be hung above the water tank by the connecting screw hole 16 on the horizontal rod 14, when the automobile water tank is assembled in place, the cylinders work to clamp and seal the automobile water tank, and then inflate the automobile water tank, then sink the automobile water tank air tightness detection tool into the water tank, so that the water tank water completely floods the automobile water tank, and then observe where bubbles are generated around the automobile water tank, so as to determine the air leakage position of the automobile water tank, which is convenient for quickly finding the air leakage point and analyzing the air leakage reason.
[0024] Those skilled in the art will recognize that numerous modifications can be made to the above description, and that the embodiments and figures are merely used to describe one or more specific implementations.
[0025] While there have been described and illustrated what are considered to be exemplary embodiments of the present application, it will be understood by those skilled in the art that various changes and modifications can be made therein without departing from the spirit of the present application. Furthermore, it is also contemplated that many modifications can be made to adapt a particular situation to the teachings of the present application without departing from the central concept of the present application described herein. Accordingly, the present application is not limited to only those embodiments described and illustrated herein, but is intended to encompass all embodiments falling within the scope of the present application and equivalents thereof.
Claims
1. A dual-purpose automobile water tank air tightness detection tool, characterized in that: The installation plate, and the first inflatable cylinder, the second inflatable cylinder, the left cylinder, the right cylinder, the first front cylinder and the second front cylinder installed on the installation plate, the middle part of the installation plate is an automobile water tank placement area, the first inflatable cylinder, the second inflatable cylinder, the left cylinder, the right cylinder, the first front cylinder and the second front cylinder are arranged around the automobile water tank placement area, and the telescopic rods of the cylinders are directed towards the automobile water tank placement area; wherein, the first inflatable cylinder and the second inflatable cylinder are located at the rear side of the automobile water tank placement area, the left cylinder and the right cylinder are arranged at the left side and the right side of the automobile water tank placement area; the first front cylinder and the second front cylinder are installed on the front side of the automobile water tank placement area; the telescopic rods of the left cylinder, the right cylinder, the first front cylinder and the second front cylinder are provided with sealing plugs at the ends; at least four limiting columns are further provided on the installation plate and arranged in four directions of the automobile water tank placement area to limit the front, rear, right and left directions of the automobile water tank.
2. The dual-purpose automobile water tank air tightness detection tool of claim 1, wherein: The telescopic rods of the first inflatable cylinder, the second inflatable cylinder, the left cylinder, the right cylinder, the first front cylinder and the second front cylinder move the same distance to seal the water pipe opening of the automobile water tank to be tested.
3. The dual-purpose automobile water tank air tightness detection tool of claim 1, wherein: The limiting columns have five columns, wherein two limiting columns are arranged on the front side of the automobile water tank placement area.
4. The dual-purpose automotive water tank air tightness detection tool of claim 3, characterized in that: The five limiting columns include limiting column a, limiting column b, limiting column c, limiting column d and limiting column e, wherein the limiting column a and the limiting column b are installed on the front side of the automobile water tank placement area and between the first front cylinder and the second front cylinder; the limiting column c is installed on the right side of the automobile water tank placement area and between the right cylinder and the second front cylinder; the limiting column d is installed on the rear side of the automobile water tank placement area and between the first inflatable cylinder and the second inflatable cylinder; and the limiting column e is installed on the left side of the automobile water tank placement area and between the left cylinder and the first front cylinder.
5. The dual-purpose automobile water tank air tightness detection tool of claim 1, wherein: Further comprising a guide slot, the guide slot is composed of two parallel guide strips fixed on the installation plate, the distance between the two guide strips is a certain distance, and the distance between the two guide strips forms the guide slot.
6. The dual-purpose automobile water tank air tightness detection tooling according to claim 1, characterized in that: Further comprising a connecting frame, the connecting frame includes a horizontal rod and vertical rods fixed on both ends of the horizontal rod by bolts, the lower ends of the two vertical rods are fixed on the installation plate; the middle part of the horizontal rod is further provided with a connecting screw hole.
Citation Information
Patent Citations
Tool for detecting air tightness of automobile water tank
CN219914795U