Device for detecting leakproofness of automobile water tank
By combining a fixing mechanism and a cylinder, the problem of misjudgment caused by contact with the bottom of the water tank is solved, thus achieving accuracy and reliability in the detection of the airtightness of the automotive water tank.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-24
AI Technical Summary
Existing automotive radiator sealing testing devices cause the bottom of the radiator to come into contact with the bottom wall of the testing chamber during testing, making it difficult for staff to detect the condition at the bottom, which may lead to misjudgment and reduced testing quality.
The system employs a combination design of a fixed mechanism, cylinder, connecting plate, and L-shaped placement plate. A servo motor drives the lead screw to rotate, moving the right-angle clamp and connecting plate to ensure that the water tank does not contact the bottom wall of the testing chamber during testing. An airtight seal is achieved through the cooperation of a sealing ring and a cylinder to prevent gas leakage.
This effectively prevents the bottom of the water tank from contacting the bottom wall of the testing chamber, improving the accuracy and quality of the test and ensuring the reliability of the airtightness test.
Smart Images

Figure CN224034866U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile parts detection, especially relates to a closed nature detection device of automobile water tank. BACKGROUND
[0002] The automobile water tank is very important for maintaining the normal operation of the automobile engine. It can not only adjust the working temperature of the engine to prevent overheating, but also maintain the health of the cooling system. Detecting the closed nature of the automobile water tank can not only ensure the normal operation of the cooling system, but also protect the engine and other key components, and improve the overall performance and reliability of the vehicle.
[0003] The existing closed nature detection device of the automobile water tank has the following problems: when detecting, the automobile water tank is directly placed into the detection tank containing water through the fixing tool, and then the water tank is inflated to observe whether bubbles are generated on the surface. Since the bottom of the automobile water tank is in contact with the bottom wall of the detection tank, the worker often cannot easily find the condition of the bottom of the automobile water tank, which may lead to misjudgment and result in a decrease in detection quality. UTILITY MODEL CONTENTS
[0004] In view of the problems existing in the prior art, the utility model provides a closed nature detection device of automobile water tank which can overcome the above problems or at least partially solve the above problems.
[0005] The utility model is realized in the following way: a closed nature detection device of automobile water tank, including the base, the one side of base is fixedly connected with the support plate, the one side of support plate is fixedly connected with the top plate and the backing pad, the front side of support plate is provided with the fixed mechanism, the top of base is fixedly connected with the detection tank, the bottom of top plate is fixedly connected with the air cylinder.
[0006] In order to fix the automobile water tank, preferably, the fixed mechanism includes servo motor, lead screw, moving rod and right angle clamp plate, one end of lead screw is fixedly connected with the output end of servo motor, the other end of lead screw penetrates moving rod and extends outward, the surface of lead screw is threadedly connected with the inner wall of moving rod, the bottom of moving rod is fixedly connected with right angle clamp plate, the servo motor is started through the external controller, the servo motor drives the rotation of lead screw, the lead screw drives the movement of moving rod and right angle clamp plate, so as to realize the purpose of fixing the automobile water tank.
[0007] In order to make the moving rod stable when moving, preferably, the inner wall of moving rod is slidably connected with auxiliary rod, one end of auxiliary rod is fixedly connected with fixed block, through the setting of auxiliary rod, the moving rod is limited in position, so that the moving rod moves stably and horizontally.
[0008] In order to support the automobile water tank, preferably, the servo motor and the bottom of the fixed block are fixedly connected with the connecting plate, one side of the connecting plate is fixedly connected with the L-shaped placing plate, the surface of the L-shaped placing plate is placed with the automobile water tank, the inner side of the right angle clamp plate is in contact with the water tank, through the setting of the right angle clamp plate, not only the automobile water tank is limited in left and right, but also is limited in front and back, the movement of the telescopic end of the air cylinder drives the L-shaped placing plate and the automobile water tank to move through the connecting plate.
[0009] In order to detect the airtightness of the automobile water tank, preferably, the top of the water tank is fixedly communicated with the water inlet pipe, the surface of the water inlet pipe is fixedly sleeved with the threaded sleeve through the throat clamp, the surface of the threaded sleeve is threadedly connected with the cover, the inner cavity top wall of the cover is fixedly connected with the sealing ring, the bottom of the sealing ring is in close contact with the water inlet pipe, the threaded sleeve is fixed on the surface of the water inlet pipe through the throat clamp, so that the sealing ring is in close contact with the water inlet pipe through the cooperation of the cover and the threaded sleeve, the sealing effect is achieved, the water penetration in the detection tank is prevented and the gas leakage of the gas pipe conveying is prevented.
[0010] In order to detect the airtightness of the automobile water tank, preferably, the top of the cover is fixedly communicated with the gas pipe, the other end of the gas pipe is fixedly communicated with the air pump, the bottom of the air pump is fixedly connected with the backing plate, the air pump sends the gas to the inside of the automobile water tank through the gas pipe, and the airtightness of the automobile water tank is detected by observing whether bubbles are generated on the surface of the automobile water tank in the detection tank filled with water.
[0011] In order to make the connecting plate stable when moving, preferably, the telescopic end of the bottom of the air cylinder is fixedly connected with the connecting plate, the front and rear sides of the connecting plate are fixedly connected with the auxiliary plates, the inner wall of the auxiliary plate is slidably connected with the limiting rod, and the bottom of the limiting rod is fixedly connected with the base. The cooperation of the auxiliary plate and the limiting rod makes the connecting plate more stable when the air cylinder drives the connecting plate to move, and the automobile water tank is not in contact with the bottom wall of the detection tank through the setting of the air cylinder and the L-shaped placing plate.
[0012] Compared with the prior art, the utility model has the advantages of the following:
[0013] The utility model discloses a fixing mechanism, air cylinder, connecting plate and L-shaped placing plate are set up, and the automobile water tank is fixed through the fixing mechanism, and the bottom of the automobile water tank is prevented from contacting the bottom wall of the detection tank through the cooperation of the air cylinder, the connecting plate and the L-shaped placing plate, solve the existing automobile water tank's airtightness detection device when detecting, will be through the fixed tool and put the automobile water tank directly into the detection tank that holds water inside, then the water tank is filled with gas and is observed whether bubble produces on its surface, because the bottom of the automobile water tank is in contact with the bottom wall of the detection tank, and the staff often does not easily find the condition of the bottom of the automobile water tank, and the problem of possible misjudgment, leading to the detection quality decline. ACCURACY OF DRAWINGS
[0014] Fig. 1 is a three-dimensional structure schematic view provided by the embodiment of the utility model;
[0015] Fig. 2 is a structure schematic view of the fixing mechanism provided by the embodiment of the utility model;
[0016] Fig. 3 is a structure schematic view of the screw, the cover, the sealing ring and the hose clamp provided by the embodiment of the utility model;
[0017] Fig. 4 is a structure schematic view of the auxiliary plate and the limiting rod provided by the embodiment of the utility model.
[0018] In the drawing: 1, base; 2, support plate; 3, top plate; 4, detection box; 5, automobile water tank; 6, fixing mechanism; 601, servo motor; 602, screw rod; 603, moving rod; 604, right-angle clamp plate; 7, pad plate; 8, air pump; 9, air pipe; 10, auxiliary rod; 11, fixed block; 12, L-shaped placing plate; 13, connecting plate; 14, auxiliary plate; 15, water inlet pipe; 16, threaded sleeve; 17, hose clamp; 18, cover; 19, sealing ring; 20, air cylinder; 21, limiting rod. DETAILED DESCRIPTION
[0019] In order to further understand the invention content, characteristics and efficacy of the utility model, the following examples are cited, and the detailed description is as follows in cooperation with the drawings.
[0020] The structure of the utility model is described in detail below in combination with the drawings.
[0021] As Figs. 1 to 4 shown, the utility model embodiment provides a kind of closed detection device of automobile water tank, including base 1, the side fixed connection of base 1 has support plate 2, the side fixed connection of support plate 2 has top plate 3 and pad plate 7, the front side of support plate 2 is provided with fixed mechanism 6, the top of base 1 is fixedly connected with detection box 4, and the bottom of top plate 3 is fixedly connected with air cylinder 20.
[0022] In order to fix automobile water tank 5, fixed mechanism 6 includes servo motor 601, screw rod 602, moving rod 603 and right-angle clamp plate 604, one end of screw rod 602 is fixedly connected with the output end of servo motor 601, the other end of screw rod 602 penetrates moving rod 603 and extends outward, the surface of screw rod 602 is threadedly connected with the inner wall of moving rod 603, the bottom of moving rod 603 is fixedly connected with right-angle clamp plate 604, servo motor 601 is started by external controller, servo motor 601 drives screw rod 602 to rotate, screw rod 602 drives moving rod 603 to move, and right-angle clamp plate 604 is moved, to realize the purpose of fixing automobile water tank 5.
[0023] In order to make the moving rod 603 stable when moving, the inner wall of the moving rod 603 is slidably connected with an auxiliary rod 10, one end of the auxiliary rod 10 is fixedly connected with a fixed block 11, by the setting of the auxiliary rod 10, the moving rod 603 is limited, so that the moving rod 603 moves stably and horizontally.
[0024] In order to support the automobile water tank 5, the servo motor 601 and the bottom of the fixed block 11 are fixedly connected with a connecting plate 13, one side of the connecting plate 13 is fixedly connected with an L-shaped placing plate 12, the automobile water tank 5 is placed on the surface of the L-shaped placing plate 12, the inner side of the right-angle clamp plate 604 is in contact with the water tank, by the setting of the right-angle clamp plate 604, the automobile water tank 5 is limited in the left-right direction, and is also limited in the front-rear direction, the movement of the telescopic end of the air cylinder 20 drives the L-shaped placing plate 12 and the automobile water tank 5 to move through the connecting plate 13.
[0025] In order to detect the airtightness of the automobile water tank 5, the top of the water tank is fixedly connected with a water inlet pipe 15, the surface of the water inlet pipe 15 is fixedly sleeved with a threaded sleeve 16 through a throat clamp 17, the surface of the threaded sleeve 16 is threadedly connected with a cover 18, the inner cavity top wall of the cover 18 is fixedly connected with a sealing ring 19, the bottom of the sealing ring 19 is in close contact with the water inlet pipe 15, the threaded sleeve 16 is fixed on the surface of the water inlet pipe 15 through the throat clamp 17, so that the sealing ring 19 is in close contact with the water inlet pipe 15 through cooperation of the cover 18 and the threaded sleeve 16, airtightness is achieved, water penetration in the detection tank 4 is prevented, and gas leakage of the air pipe 9 is prevented.
[0026] In order to detect the airtightness of the automobile water tank 5, the top of the cover 18 is fixedly connected with an air pipe 9, the other end of the air pipe 9 is fixedly connected with a gas pump 8, the bottom of the gas pump 8 is fixedly connected with the base plate 7, the gas pump 8 delivers gas to the inside of the automobile water tank 5 through the air pipe 9, and the airtightness of the automobile water tank 5 is detected by observing whether bubbles are generated on the surface of the automobile water tank 5 in the detection tank 4 filled with water.
[0027] In order to make the connecting plate 13 stable when moving, the telescopic end of the bottom of the air cylinder 20 is fixedly connected with the connecting plate 13, the front and rear sides of the connecting plate 13 are fixedly connected with auxiliary plates 14, the inner wall of the auxiliary plate 14 is slidably connected with a limiting rod 21, and the bottom of the limiting rod 21 is fixedly connected with the base 1; the air cylinder 20 is more stable when driving the connecting plate 13 to move through cooperation of the auxiliary plate 14 and the limiting rod 21, and the automobile water tank 5 is not in contact with the bottom wall of the detection tank 4 through the setting of the air cylinder 20 and the L-shaped placing plate 12.
[0028] The working principle of the utility model:
[0029] In use, first, servo motor; 601, cylinder 20 and air pump 8 are connected with external controller signal, then a certain amount of water is placed in detection box 4, then the automobile water tank 5 is placed on the L-shaped placing plate 12, the servo motor; 601 is started by the controller, the servo motor; 601 drives the screw rod 602 to rotate, the screw rod 602 drives the moving rod 603 to drive the right-angle clamp plate 604 to move, so as to fix the automobile water tank 5, through the setting of the right-angle clamp plate 604, not only the automobile water tank 5 is limited in left and right, but also limited in front and back, then the extension end of the cylinder 20 is controlled to be lowered to the inside of the detection box 4 through the connecting plate 13 and the L-shaped placing plate 12, until the water covers the top of the automobile water tank 5, then the air pump 8 is controlled to start to send air to the inside of the water tank, whether the automobile water tank 5 surface is observed to bubble to detect its airtightness, the threaded sleeve 16 is fixed on the surface of the water inlet pipe 15 through the hose clamp 17, so that the sealing ring 19 is in close contact with the water inlet pipe 15 through the cooperation of the cover 18 and the threaded sleeve 16, the sealing effect is achieved, the water in the detection box 4 is prevented from penetrating and the air leakage of the air pipe 9 is prevented, the automobile water tank 5 is not in contact with the bottom wall of the detection box 4 through the setting of the cylinder 20 and the L-shaped placing plate 12, the length of the above-mentioned air pipe 9 is set to be sufficient to follow the water tank to be lowered to the inside of the detection box 4, the detection box 4 is of transparent material, which is convenient for the staff to observe.
[0030] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that the entities or actions are in any way mutually exclusive or directional.
[0031] The above only describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed as above with preferred embodiments, it is not intended to limit the present application, and any person skilled in the art can make modifications without departing from the technical solution of the present application.
Claims
1. A device for detecting the tightness of an automobile water tank, comprising a base (1), characterized in that: One side of the base (1) is fixedly connected with a support plate (2), one side of the support plate (2) is fixedly connected with a top plate (3) and a backing plate (7), the front side of the support plate (2) is provided with a fixing mechanism (6), the top of the base (1) is fixedly connected with a detection box (4), the bottom of the top plate (3) is fixedly connected with a gas cylinder (20).
2. The apparatus for detecting the tightness of an automobile water jacket according to claim 1, wherein: The fixing mechanism (6) comprises a servo motor (601), a lead screw (602), a moving rod (603) and a right-angle clamp plate (604), one end of the lead screw (602) is fixedly connected with the output end of the servo motor (601), the other end of the lead screw (602) penetrates through the moving rod (603) and extends outward, the surface of the lead screw (602) is threadedly connected with the inner wall of the moving rod (603), and the bottom of the moving rod (603) is fixedly connected with the right-angle clamp plate (604).
3. The apparatus for detecting the tightness of an automobile water jacket according to claim 2, wherein: The inner wall of the moving rod (603) is slidably connected with an auxiliary rod (10), one end of the auxiliary rod (10) is fixedly connected with a fixed block (11).
4. The apparatus for detecting the tightness of an automobile water jacket according to claim 3, wherein: The bottom of the servo motor (601) and the fixed block (11) is fixedly connected with a connecting plate (13), one side of the connecting plate (13) is fixedly connected with an L-shaped placement plate (12), the surface of the L-shaped placement plate (12) is placed with an automobile water tank (5), and the inner side of the right-angle clamp plate (604) is in contact with the water tank.
5. The apparatus for detecting the tightness of an automobile water jacket according to claim 4, wherein: The top of the water tank is fixedly connected with a water inlet pipe (15), the surface of the water inlet pipe (15) is fixedly sleeved with a threaded sleeve (16) through a hose clamp (17), the surface of the threaded sleeve (16) is threadedly connected with a cover (18), the inner cavity top wall of the cover (18) is fixedly connected with a sealing ring (19), and the bottom of the sealing ring (19) is in close contact with the water inlet pipe (15).
6. A device for detecting the tightness of an automobile water jacket according to claim 5, wherein: The top of the cover (18) is fixedly connected with an air pipe (9), the other end of the air pipe (9) is fixedly connected with an air pump (8), and the bottom of the air pump (8) is fixedly connected with the backing plate (7).
7. The apparatus for detecting the tightness of an automobile water jacket according to claim 1, wherein: The bottom of the gas cylinder (20) is fixedly connected with the connecting plate (13), the front and rear sides of the connecting plate (13) are fixedly connected with auxiliary plates (14), the inner wall of the auxiliary plate (14) is slidably connected with a limiting rod (21), and the bottom of the limiting rod (21) is fixedly connected with the base (1).